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🔖 AI (21 篇文章)

From filter to CNN (Convolutional Network)
📅 2023-10-05
The biggest room in the world is the room for improvement. Filters in Convolutional Neural ...
why use mid = (low + high) // 2 but not (high-low)//2
📅 2023-06-29
“Don’t let yesterday take up too much of today.” - Will Rogers
Introduction to Generator Expressions in Python
📅 2023-06-27
We never lose friends but just start to find real ones. - William Shakespeare
Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
The Curious Case of 'localhost' vs '127.0.0.1' in MySQL Connections
📅 2023-06-17
Everybody may not to be famous but everybody can be great. “The Curious Case of ‘localhost’...
Understanding Confusion Matrix in WEKA
📅 2023-06-10
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
Useful Shortcut Tips for MacBook Office Workers
📅 2023-06-05
A young idler, an old beggar. - William Shakespeare
Understanding d-Separation in Graphical Models
📅 2023-06-01
A young idler, an old beggar. - William Shakespeare
How To Split Sql Insert Statement
📅 2023-05-29
“Don’t let yesterday take up too much of today.” - Will Rogers
Adversarial Search: Unleashing The Power Of AI In Competitive Games
📅 2023-05-20
“What you seek is seeking you.” — Rumi
Weird Problem Changed Configurations In Pom Xml Not Work
📅 2023-05-19
“I can’t relate to lazy people. We don’t speak the same language.” — Kobe Bryant
AI Basics, Talk About Searches
📅 2023-05-18
“What you seek is seeking you.” — Rumi
Xpath Playground Best Practices
📅 2023-05-09
A young idler, an old beggar. - William Shakespeare
UUID deep dive
📅 2023-05-08
A young idler, an old beggar. - William Shakespeare
Who Is Running On Port 8080
📅 2023-05-02
A young idler, an old beggar. - William Shakespeare
Let AI To Manage Stripe Payment
📅 2023-05-01
A young idler, an old beggar. - William Shakespeare
How To Save Expect Script Run Output To File Locally
📅 2023-03-02
Nothing is as easy as it looks.
How To Extract Table Name From Sql By Python
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
master-cglib-in-java
📅 2023-02-23
You are not a drop in the ocean, you are the entire ocean in a drop.
What is shape function in python pandas
📅 2023-02-20
An honest days’ work makes for a good night’s sleep.

🔖 AI automation (1 篇文章)

how-to-auto-login-for-citrix-receiver-vpn-client
📅 2023-04-13
“Hang Out with People Who are Better than You.” — Warren Buffett

🔖 ANN (3 篇文章)

Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
The Curious Case of 'localhost' vs '127.0.0.1' in MySQL Connections
📅 2023-06-17
Everybody may not to be famous but everybody can be great. “The Curious Case of ‘localhost’...

🔖 AOP (1 篇文章)

How To Use Aop Test Utils.jpg
📅 2023-03-21
What’s purpose of AopTestUtils.getTargetObject()?

🔖 API (1 篇文章)

GraphQL noteworthy points
📅 2022-07-20
Life is like the ocean, it goes up and down.

🔖 AS400 (1 篇文章)

tips in as400 IBM Emulator
📅 2016-06-29
Toggle crosshair

🔖 AWS (6 篇文章)

Avoiding Data Loss - S3 Lifecycle Rules During Terraform Version Migrations
📅 2024-12-03
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
Cheap and flexible computing
📅 2023-08-05
whether it seems possible or not - go for it Cheaper X 2 to EC2, to use Fargate Spot With...
How to check your CPU model and Linux distribution in your AWS VM
📅 2023-01-10
Lift is short, enjoy the ride.
How to ace AWS certification just like play a game
📅 2022-02-10
Life isn’t about finding yourself. Life is about creating yourself.
How to process data from S3 download URL
📅 2020-10-20
S3 download URL As you know, AWS S3 object can be downloaded/processed by S3 download URL. I’m s...
AWS Tips
📅 2017-03-21
After establishing a SSH session, you can install a default web server by executing sudo yum inst...

🔖 Algo (3 篇文章)

why use mid = (low + high) // 2 but not (high-low)//2
📅 2023-06-29
“Don’t let yesterday take up too much of today.” - Will Rogers
Code to draw a Big H with all stars
📅 2022-02-08
Coding is everything! Code Now!
Code to draw a Big H with all stars
📅 2022-02-08
Coding is everything! Code Now!

🔖 Algorithm (2 篇文章)

Understanding Python's Late Binding Behavior A Deep Dive
📅 2023-07-09
“Hang Out with People Who are Better than You.” — Warren Buffett
Algorithm notes from Leecode -- 1
📅 2020-03-03
Algorithm Leetcode

🔖 Angular (9 篇文章)

Solution center for Node errors
📅 2022-03-09
Fina a way. If there’s none, make one!
TypeScript noteworthy notes
📅 2022-03-08
The moment you start focusing on yourself, things start falling into place.
rxjs pipe in depth
📅 2018-05-15
https://stormforger.com/blog/2016/07/08/types-of-performance-testing/
NodeJs Notes
📅 2018-03-18
commands to read files var lineReader = require(‘readline’).createInterface({ input: require(...
What is difference between declarations, providers and import in NgModule
📅 2018-01-11
What is difference between declarations, providers and import in NgModule
ngrx
📅 2018-01-08
Why @Effects? In a simple ngrx/store project without ngrx/effects there is really no good place t...
RxJS reactive extension javascript
📅 2017-12-08
Streams
promise vs observiable
📅 2017-12-01
The drawback of using Promises is that they’re unable to handle data sources that produce more th...
Angulary Misc
📅 2016-12-12
Dependency Injection Angular doesn’t automatically know how you want to create instances of your ...

🔖 Apache (3 篇文章)

Apache Camel
📅 2018-07-11
Camel’s message model In Camel, there are two abstractions for modeling messages, both of which w...
Apache Tips
📅 2016-12-24
Apache
Spark-vs-Storm
📅 2016-08-30
The stark difference among Spark and Storm. Although both are claimed to process the streaming da...

🔖 ApplicationEvent (1 篇文章)

Deep dive into ApplicationEvent in SpringBoot
📅 2021-10-07
Summary As you know, there are various event will be sent (multicast) when a specific story take...

🔖 Architect (3 篇文章)

IT-Architect
📅 2017-01-26
SOA SOA is a set of design principles for building a suite of interoperable, flexible and reus...
Business Analysis
📅 2016-08-04
Purpose of BA 带来一些商业价值（收益）解决业务痛点
Something about RESTful architect
📅 2016-08-02
REST API must be hypertext driver Roy’s interview

🔖 Automation (2 篇文章)

How To Save Expect Script Run Output To File Locally
📅 2023-03-02
Nothing is as easy as it looks.
How To Extract Table Name From Sql By Python
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.

🔖 Azure (1 篇文章)

Extracting Azure Defender for Cloud Findings to Excel - A Developer's Detective Story
📅 2025-06-22
The best way to find out if you can trust somebody is to trust them. - Ernest Hemingway

🔖 BA (1 篇文章)

Business Analysis
📅 2016-08-04
Purpose of BA 带来一些商业价值（收益）解决业务痛点

🔖 Bash (1 篇文章)

Mastering JQ- The Swiss Army Knife of JSON Processing
📅 2024-12-19
Imagination is the key ingredient to a happy life.

🔖 Bash command (1 篇文章)

Mastering Date Formatting in Bash: A Developer's Guide
📅 2024-09-28
A younger brother knows his older brother better than anyone else.

🔖 Bayesian (2 篇文章)

Useful Shortcut Tips for MacBook Office Workers
📅 2023-06-05
A young idler, an old beggar. - William Shakespeare
Understanding d-Separation in Graphical Models
📅 2023-06-01
A young idler, an old beggar. - William Shakespeare

🔖 BigData (1 篇文章)

Spark-vs-Storm
📅 2016-08-30
The stark difference among Spark and Storm. Although both are claimed to process the streaming da...

🔖 Booster (1 篇文章)

Shall I still need booster even after I got dose 3?
📅 2021-01-17
The greatest wealth is health!

🔖 CAS (1 篇文章)

Locking and multithreading
📅 2018-06-12
Single Writer principle

🔖 CI (1 篇文章)

Simpler chronicle of CI(Continuous Integration) “乱弹系列”之持续集成工具
📅 2016-10-26
引言有句话说有人的地方就有江湖，同样，有江湖的地方就有恩怨。在软件行业历史长河（虽然相对于其他行业来说，软件行业的历史实在太短了，但是确是充满了智慧的碰撞也是十分的精彩）中有一些恩怨情愁，分分...

🔖 CI/CD (1 篇文章)

Bamboo pipeline deployment failure caused by Kubenetes Finalizer
📅 2022-05-25
Today a reader, tomorrow a leader.

🔖 CNN (1 篇文章)

From filter to CNN (Convolutional Network)
📅 2023-10-05
The biggest room in the world is the room for improvement. Filters in Convolutional Neural ...

🔖 CPU (1 篇文章)

How to check your CPU model and Linux distribution in your AWS VM
📅 2023-01-10
Lift is short, enjoy the ride.

🔖 CTO (3 篇文章)

HTTPS/2
📅 2016-06-14
concepts
Load Balancing
📅 2016-06-07
Concepts LVS means Linux Virtual Server, which is one Linux built-in component.
Storage Management
📅 2016-06-03
RAID RAID is Reductant Array Independent Disk,

🔖 Camel (1 篇文章)

Apache Camel
📅 2018-07-11
Camel’s message model In Camel, there are two abstractions for modeling messages, both of which w...

🔖 Chrome (1 篇文章)

Awesome tips for Chrome
📅 2020-09-17
Shortcuts & tips

🔖 Cloud (2 篇文章)

How to ace AWS certification just like play a game
📅 2022-02-10
Life isn’t about finding yourself. Life is about creating yourself.
AWS Tips
📅 2017-03-21
After establishing a SSH session, you can install a default web server by executing sudo yum inst...

🔖 CloudComputing (1 篇文章)

Cheap and flexible computing
📅 2023-08-05
whether it seems possible or not - go for it Cheaper X 2 to EC2, to use Fargate Spot With...

🔖 Coding (13 篇文章)

When Your Retry Mechanism Doesn't Retry - A Tale of String Matching Gone Wrong
📅 2024-12-16
The biggest room in the world is the room for improvement. — Helmut Schmidt
Understanding Python's Late Binding Behavior A Deep Dive
📅 2023-07-09
“Hang Out with People Who are Better than You.” — Warren Buffett
Understanding React export a Component
📅 2023-07-06
A young idler, an old beggar. - William Shakespeare Understanding React export a Component ...
Compile Error Java Kotlin Coexist Project In Intellij
📅 2023-05-07
The biggest room in the world is the room for improvement. — Helmut Schmidt
RestTemplate Powered Http2
📅 2023-04-26
Why HTTP/2 is Better
Compile Error Java Kotlin Coexist Project In Intellij
📅 2023-04-25
How to Fine Tune RestTemplate
Compile Error Java Kotlin Coexist Project In Intellij
📅 2023-04-23
The root cause is your customized HttpMessageConverter stopped processing of WebSecurity
Core Java tips required an interview
📅 2022-04-16
Success is the sum of small efforts, repeated.
JetBrains/IntelliJ tips
📅 2021-09-14
Be a good person in real life, not in social media
Java 8 Tips
📅 2017-01-14
This blog is listing key new features introduced in Java 8
SQL
📅 2016-06-14
Differences between not in, not exists , and left join with null
JavaScript tips
📅 2016-06-12
includes() vs some()
Python
📅 2016-06-05
(‘—–Unexpected error:’, <type ‘exceptions.TypeError’>) datetime.datetime.now()

🔖 Collections (1 篇文章)

Java Collections Misc
📅 2017-01-17
Difference between equals and deepEquals of Arrays in Java Arrays.equals() method does not com...

🔖 Concurrent (2 篇文章)

Java Concurrent
📅 2020-03-10
This blog is about noteworthy pivot points about Java Concurrent Framework Back to Java old da...
Locking and multithreading
📅 2018-06-12
Single Writer principle

🔖 Container (2 篇文章)

docker-commands-bible
📅 2023-05-22
“Don’t let yesterday take up too much of today.” - Will Rogers
Docker
📅 2020-08-13
Dockers Concepts

🔖 Cryptography (1 篇文章)

SSH and Cryptography
📅 2017-02-06
SFTP versus FTPS SS: Secure Shell An increasing number of our customers are looking to move ...

🔖 DB (5 篇文章)

Refind Java Solid Principles
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
Refind Java Concurrency
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
How to find non-empty json value in mysql
📅 2023-02-23
You are not a drop in the ocean, you are the entire ocean in a drop.
SQL
📅 2016-06-14
Differences between not in, not exists , and left join with null
Database sharding
📅 2016-06-01
DB sharding in YHD

🔖 Data Science (1 篇文章)

R Language
📅 2017-02-09
s<-read.csv("C:/Users/xxx/dev/R/IRS/SHH_SCHISHG.csv") # aggregate s2<-table(s$Original.CP)...

🔖 Data mining (2 篇文章)

Introduction to Generator Expressions in Python
📅 2023-06-27
We never lose friends but just start to find real ones. - William Shakespeare
Understanding Confusion Matrix in WEKA
📅 2023-06-10
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...

🔖 DataScience (1 篇文章)

What is shape function in python pandas
📅 2023-02-19
Imagination is the key ingredient to a happy life.

🔖 Database (2 篇文章)

Treasure Bowl for SQL, helpful for your daily database jobs
📅 2023-01-31
Don’t be greedy. Half of something is better than all nothing.
Scripts bible for MySql
📅 2022-07-18
Be the Sun of your solar system.

🔖 Debts (2 篇文章)

Whitelabel Error Page
📅 2021-09-13
Summary Whitelabel Error Page is the default error page in Spring Boot web app. It provide a more...
Debts in a nutshell
📅 2021-01-04
A debt security represents a debt owed by the issuer to an investor. Here, the investor acts as a...

🔖 DeepLearning (3 篇文章)

From filter to CNN (Convolutional Network)
📅 2023-10-05
The biggest room in the world is the room for improvement. Filters in Convolutional Neural ...
A Facial Recognition utility in a dozen of LOC
📅 2020-06-28
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)
用10几行代码自己写个人脸识别程序
📅 2016-11-22
用10几行代码自己写个人脸识别程序

🔖 Dev (1 篇文章)

Algorithm
📅 2017-01-21
This page is about key points about Algorithm

🔖 DevOps (23 篇文章)

Linux Command-Line Tricks That Will Make You Feel Like a Power User 🚀
📅 2025-08-06
Happiness is not something ready made. It comes from your own actions. - Dalai Lama
Extracting Azure Defender for Cloud Findings to Excel - A Developer's Detective Story
📅 2025-06-22
The best way to find out if you can trust somebody is to trust them. - Ernest Hemingway
Configuring List Variables in HCP Terraform Cloud
📅 2025-04-22
Configuring List Variables in HCP Terraform Cloud
Git Behind the Firewall - Fix Connection Reset by Port 22 Errors in Corporate Networks
📅 2025-04-02
Happiness is not something ready made. It comes from your own actions. - Dalai Lama
Solving the 403 Forbidden Nightmare - Git Cloning in SAML-Enforced Organizations
📅 2025-04-01
Happiness is not something ready made. It comes from your own actions. - Dalai Lama
Mastering-Terraform Injecting-Shell-Scripts-into-Linux-VMs-Like-a-Pro
📅 2025-03-22
The only impossible journey is the one you never begin. - Tony Robbins
awesome mr W
📅 2024-11-29
You are not a drop in the ocean, you are the entire ocean in a drop.
Kubenetes Zero to Hero
📅 2024-09-27
You are not a drop in the ocean, you are the entire ocean in a drop.
Bamboo pipeline deployment failure caused by Kubenetes Finalizer
📅 2022-05-25
Today a reader, tomorrow a leader.
GIT useful scripts or error solutions
📅 2022-04-08
Don’t wish for it, work for it.
Linux Tips
📅 2022-03-03
Remember, some things have to end for better things to begin.
CORS :Cross-Origin Resource Sharing
📅 2018-01-10
Cross-Origin Request Sharing - CORS (A.K.A. Cross-Domain AJAX request) is an issue that most web ...
Container
📅 2017-12-02
The Docker project was responsible for popularizing container development in Linux systems. The o...
Openshift tips
📅 2017-11-29
Commands bible
Apache Tips
📅 2016-12-24
Apache
Simpler chronicle of CI(Continuous Integration) “乱弹系列”之持续集成工具
📅 2016-10-26
引言有句话说有人的地方就有江湖，同样，有江湖的地方就有恩怨。在软件行业历史长河（虽然相对于其他行业来说，软件行业的历史实在太短了，但是确是充满了智慧的碰撞也是十分的精彩）中有一些恩怨情愁，分分...
Kubernetes 与 Docker Swarm的对比
📅 2016-09-04
Kubernetes 和Docker Swarm 可能是使用最广泛的工具，用于在集群环境中部署容器。但是这两个工具还是有很大的差别。
kibana, view layer of elasticsearch
📅 2016-08-11
What’s Kibana kibana is an open source data visualization plugin for Elasticsearch. It provides...
git raise error filename too long when checkout
📅 2016-07-02
Symptoms:
heavy load web application
📅 2016-06-29
Common solutions
Docker Errors and Fixes
📅 2016-06-09
Docker Errors
Load Balancing
📅 2016-06-07
Concepts LVS means Linux Virtual Server, which is one Linux built-in component.
CI and CD
📅 2016-06-03
Concepts

🔖 Development (1 篇文章)

Complete Guide: Fixing Python 3.8 and Pipenv Errors in WSL2 (2025 Solutions)
📅 2025-03-26
The greatest glory in living lies not in never falling, but in rising every time we fall. - Ne...

🔖 Docker (3 篇文章)

docker-commands-bible
📅 2023-05-22
“Don’t let yesterday take up too much of today.” - Will Rogers
Docker
📅 2020-08-13
Dockers Concepts
Docker Errors and Fixes
📅 2016-06-09
Docker Errors

🔖 Does 3 (1 篇文章)

Shall I still need booster even after I got dose 3?
📅 2021-01-17
The greatest wealth is health!

🔖 ECS (1 篇文章)

Cheap and flexible computing
📅 2023-08-05
whether it seems possible or not - go for it Cheaper X 2 to EC2, to use Fargate Spot With...

🔖 Eclipse (1 篇文章)

Eclipse notes
📅 2017-02-06
How do I remove a plug-in? Run Help > About Eclipse > Installation Details, select the soft...

🔖 Efficiency (3 篇文章)

How To Convert One Monolith Java System To Microservices
📅 2023-03-14
Whatever is worth doing is worth doing well.
How To Keep Multiple Copy Paste Value In Macbook
📅 2023-03-12
“Winning is nice if you don’t lose your integrity in the process.” — Arnold Horshak
To outstanding as professional MacBook pro user
📅 2022-03-12
The most effective way to do it, is to do it Homebrew The best practice is to run brew info ...

🔖 Emergency (1 篇文章)

How to user fire extinguisher
📅 2021-10-08
Summary As you know, staff and your safety is paramount. So what if emergency take place, such as...

🔖 Encryption (1 篇文章)

Is Kerberos One Ssl/tls?
📅 2023-03-07
Nothing is as easy as it looks.

🔖 Enterprise Security (4 篇文章)

Linux Command-Line Tricks That Will Make You Feel Like a Power User 🚀
📅 2025-08-06
Happiness is not something ready made. It comes from your own actions. - Dalai Lama
Configuring List Variables in HCP Terraform Cloud
📅 2025-04-22
Configuring List Variables in HCP Terraform Cloud
Git Behind the Firewall - Fix Connection Reset by Port 22 Errors in Corporate Networks
📅 2025-04-02
Happiness is not something ready made. It comes from your own actions. - Dalai Lama
Solving the 403 Forbidden Nightmare - Git Cloning in SAML-Enforced Organizations
📅 2025-04-01
Happiness is not something ready made. It comes from your own actions. - Dalai Lama

🔖 Equity (1 篇文章)

equity trading
📅 2016-06-23
Difference between mutal funds and hedge funds

🔖 Errors (5 篇文章)

SkipTest-Not-Work-In-Multiple-models-project
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Single vs Double precisions, float vs double data type
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
SkipTest-Not-Work-In-Multiple-models-project
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Maven error and solution on No such host is known
📅 2022-01-27
Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad
Maven error and solution on No such host is known
📅 2022-01-27
Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad...

🔖 Errors&Solutions (1 篇文章)

SQLServer Error about This driver is not configured for integrated authentication
📅 2021-11-24
Symptoms When you are using integrated authentication (Kerberos connection) for MS SqlServer conn...

🔖 Excel (1 篇文章)

Extracting Azure Defender for Cloud Findings to Excel - A Developer's Detective Story
📅 2025-06-22
The best way to find out if you can trust somebody is to trust them. - Ernest Hemingway

🔖 Expect (2 篇文章)

How To Save Expect Script Run Output To File Locally
📅 2023-03-02
Nothing is as easy as it looks.
To increase your productivity 10 times, learn expect and read this blog
📅 2023-02-01
Som are born beautiful. The rest of us have to work at it.

🔖 FX (2 篇文章)

Foreign Exchange
📅 2018-06-09
Foreign Exchange markets
RenMinBi International
📅 2016-06-13
RQFII RQFII stands for Renminbi Qualified Foreign Institutional Investor. RQFII was introduced in...

🔖 Face Recongnition (1 篇文章)

A Facial Recognition utility in a dozen of LOC
📅 2020-06-28
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)

🔖 FacialRecognition (2 篇文章)

A Facial Recognition utility in a dozen of LOC
📅 2020-06-28
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)
用10几行代码自己写个人脸识别程序
📅 2016-11-22
用10几行代码自己写个人脸识别程序

🔖 Fargate (1 篇文章)

Cheap and flexible computing
📅 2023-08-05
whether it seems possible or not - go for it Cheaper X 2 to EC2, to use Fargate Spot With...

🔖 Finance (1 篇文章)

RenMinBi International
📅 2016-06-13
RQFII RQFII stands for Renminbi Qualified Foreign Institutional Investor. RQFII was introduced in...

🔖 Financial (3 篇文章)

Whitelabel Error Page
📅 2021-09-13
Summary Whitelabel Error Page is the default error page in Spring Boot web app. It provide a more...
Debts in a nutshell
📅 2021-01-04
A debt security represents a debt owed by the issuer to an investor. Here, the investor acts as a...
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Solving the 403 Forbidden Nightmare - Git Cloning in SAML-Enforced Organizations
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📅 2024-03-28
一旦你知道答案，一切都会变得简单。” —— 戴夫·梅吉（Dave Magee）
IntelliJ sudden crashed of compile error MapStruct or Kotlin
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Life begins at the edge of the comfort zone
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A younger brother knows his older brother better than anyone else.
Compile Error Java Kotlin Coexist Project In Intellij
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Random number in java
📅 2016-12-09
ThreadLocalRandom, SecureRandm, java.util.Random, java.math.Random
Java Class Loader
📅 2016-02-25
Codecache The maximum size of the code cache is set via the -XX:ReservedCodeCacheSize=N flag (...

🔖 JavaScript (9 篇文章)

Understanding React export a Component
📅 2023-07-06
A young idler, an old beggar. - William Shakespeare Understanding React export a Component ...
Pearls in Front end development
📅 2022-03-19
Be happy in front of people who don’t like you, it kills them.
TypeScript noteworthy notes
📅 2022-03-08
The moment you start focusing on yourself, things start falling into place.
What is difference between declarations, providers and import in NgModule
📅 2018-01-11
What is difference between declarations, providers and import in NgModule
reactive programing
📅 2017-12-11
The second advantage to a lazy subscription is that the observable doesn’t hold onto data by defa...
RxJS reactive extension javascript
📅 2017-12-08
Streams
promise vs observiable
📅 2017-12-01
The drawback of using Promises is that they’re unable to handle data sources that produce more th...
Angulary Misc
📅 2016-12-12
Dependency Injection Angular doesn’t automatically know how you want to create instances of your ...
JavaScript tips
📅 2016-06-12
includes() vs some()

🔖 Jboss (1 篇文章)

Jboss tips
📅 2018-06-14
commands:

🔖 JetBrains (1 篇文章)

JetBrains/IntelliJ tips
📅 2021-09-14
Be a good person in real life, not in social media

🔖 Json (1 篇文章)

Could not write JSON: Value out of range. Value: "xxxxx" Radix:10
📅 2022-05-08
Life is really simple, but men insist on making it complicated.

🔖 K8s (3 篇文章)

Bamboo pipeline deployment failure caused by Kubenetes Finalizer
📅 2022-05-25
Today a reader, tomorrow a leader.
How to watch specific kubenetes deployment by labels
📅 2021-11-01
How to watch specific kubenetes deployment by labels
Deep dive into Kubernetes Client API
📅 2021-09-16
Summary To talk to K8s for getting data, there are few approaches. While K8s’ official Java libra...

🔖 Kafka (2 篇文章)

Failed to talk to github.com from corporation network
📅 2021-10-11
Background It’s typical to get various network connection issues when you run commands within cor...
Kafka
📅 2019-07-07
Kafka

🔖 Kerberos (1 篇文章)

Is Kerberos One Ssl/tls?
📅 2023-03-07
Nothing is as easy as it looks.

🔖 Kotlin (3 篇文章)

Awesome Kotlin
📅 2020-09-18
Difference with Scala Kotlin takes the best of Java and Scala, the response times are similar as ...
Mock in kotlin
📅 2020-08-13
Argument Matching & Answers For example, you have mocked DOC with call(arg: Int): Intfunction...
Mock in kotlin
📅 2020-08-13
# Argument Matching & Answers For example, you have mocked DOC with call(arg: Int): Intfunction. ...

🔖 KsqlDB (1 篇文章)

Failed to talk to github.com from corporation network
📅 2021-10-11
Background It’s typical to get various network connection issues when you run commands within cor...

🔖 Kubenetes (1 篇文章)

How to watch specific kubenetes deployment by labels
📅 2021-11-01
How to watch specific kubenetes deployment by labels

🔖 Kubernetes (3 篇文章)

Kubenetes Zero to Hero
📅 2024-09-27
You are not a drop in the ocean, you are the entire ocean in a drop.
Bamboo pipeline deployment failure caused by Kubenetes Finalizer
📅 2022-05-25
Today a reader, tomorrow a leader.
Deep dive into Kubernetes Client API
📅 2021-09-16
Summary To talk to K8s for getting data, there are few approaches. While K8s’ official Java libra...

🔖 LInux (1 篇文章)

awesome mr W
📅 2024-11-29
You are not a drop in the ocean, you are the entire ocean in a drop.

🔖 Leetcode (2 篇文章)

Tips about algorithm resolving from Leetcode
📅 2022-03-09
Stay focused, believe that you can achieve at the highest level, surround yourself with others...
Algorithm notes from Leecode -- 1
📅 2020-03-03
Algorithm Leetcode

🔖 Linux (2 篇文章)

Linux Tips
📅 2022-03-03
Remember, some things have to end for better things to begin.
Curl
📅 2020-07-27
Linux Curl command

🔖 Logback (1 篇文章)

How logging system Bootstrapped in Spring Boot Application
📅 2021-12-21
Summary Following diagram demonstrated the process to bootstrap and use Logback for loggings in S...

🔖 Low latency (1 篇文章)

JVM warm up by Escape Analysis
📅 2020-03-28
Why JVM need warm up I don’t know how and why you get to this blog. But I know the key words in y...

🔖 MQ (1 篇文章)

Solace MQ
📅 2018-07-04
Solace PubSub+ It is a message broker that lets you establish event-driven interactions between a...

🔖 MTF (1 篇文章)

Mifid
📅 2019-01-17
FX Spot is not covered by the regulation, as it is not considered to be a financial instrument by...

🔖 Mac (4 篇文章)

To outstanding as professional MacBook pro user
📅 2022-03-12
The most effective way to do it, is to do it Homebrew The best practice is to run brew info ...
Awesome Swift for iOS
📅 2020-08-20
Frame in Swift
Swift for iOS
📅 2020-08-16
#
Kubernetes 与 Docker Swarm的对比
📅 2016-09-04
Kubernetes 和Docker Swarm 可能是使用最广泛的工具，用于在集群环境中部署容器。但是这两个工具还是有很大的差别。

🔖 MacBook errors (1 篇文章)

Failed to install gem in Mac, incompatible architecture and missing psych
📅 2022-03-11
Burn your ego before it burns you.

🔖 Macbook (4 篇文章)

How To Convert One Monolith Java System To Microservices
📅 2023-03-14
Whatever is worth doing is worth doing well.
Jdk Mission Control Can Not Start In Macbook M1
📅 2023-03-13
“Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine...
How To Read Jdk Mission Control Report
📅 2023-03-13
Live the life you’ve imagined.
How To Keep Multiple Copy Paste Value In Macbook
📅 2023-03-12
“Winning is nice if you don’t lose your integrity in the process.” — Arnold Horshak

🔖 MachineLearning (2 篇文章)

From filter to CNN (Convolutional Network)
📅 2023-10-05
The biggest room in the world is the room for improvement. Filters in Convolutional Neural ...
A Facial Recognition utility in a dozen of LOC
📅 2020-06-28
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)

🔖 Maps (5 篇文章)

Google マップ内の写真のコメントが表示されない
📅 2023-03-09
紹介私は、私のOppo Androidスマートフォンのアプリ「Googleマップ」で奇妙な問題が発生していることに気づきました。Googleマップで特定の場所（例えば「中央公園」）を検索すると...
Les commentaires des photos ne s'affichent pas dans Google Maps.
📅 2023-03-08
Introduction J’ai remarqué un problème étrange avec l’application “Google Maps” de mon téléphone ...
谷歌地图里面照片的评论和照片在华为手机里面显示不出来
📅 2022-10-18
枝上柳棉吹又少, 天涯何处无芳草. –苏轼
谷歌地图里面照片的评论显示不出来
📅 2021-01-19
If you’d like to view solution in YouTube, check out at https://youtu.be/ICiwuqJ-yU8
Google maps no photos reviews
📅 2021-01-19
Summary

🔖 Maven (5 篇文章)

SkipTest-Not-Work-In-Multiple-models-project
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Single vs Double precisions, float vs double data type
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
SkipTest-Not-Work-In-Multiple-models-project
📅 2022-02-02
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Maven error and solution on No such host is known
📅 2022-01-27
Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad
Maven error and solution on No such host is known
📅 2022-01-27
Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad...

🔖 Micronaut (1 篇文章)

Magic-in-Micronaut-JPA
📅 2022-12-30
The best way to predict the future is to create it.

🔖 Microservice (1 篇文章)

Awesome Reactive programming
📅 2020-08-21
Key points of Reactive Programming

🔖 Microservices (1 篇文章)

Microservices vs. SOA
📅 2016-05-31
Microservice Services are organized around capabilities, e.g., user interface front-end, recom...

🔖 Mifid (1 篇文章)

Mifid
📅 2019-01-17
FX Spot is not covered by the regulation, as it is not considered to be a financial instrument by...

🔖 Mint (1 篇文章)

Setup Git in Mint Linux
📅 2016-06-01
How to setup Git in Mint Linux =================================================

🔖 MobileInternet (6 篇文章)

HTTPS/2
📅 2016-06-14
concepts
Load Balancing
📅 2016-06-07
Concepts LVS means Linux Virtual Server, which is one Linux built-in component.
CI and CD
📅 2016-06-03
Concepts
Storage Management
📅 2016-06-03
RAID RAID is Reductant Array Independent Disk,
Database sharding
📅 2016-06-01
DB sharding in YHD
XA Transactions in 2PC
📅 2016-06-01
Description

🔖 Mock (2 篇文章)

Mock in kotlin
📅 2020-08-13
Argument Matching & Answers For example, you have mocked DOC with call(arg: Int): Intfunction...
Mock in kotlin
📅 2020-08-13
# Argument Matching & Answers For example, you have mocked DOC with call(arg: Int): Intfunction. ...

🔖 MyBlog (7 篇文章)

Random number in java
📅 2016-12-09
ThreadLocalRandom, SecureRandm, java.util.Random, java.math.Random
用10几行代码自己写个人脸识别程序
📅 2016-11-22
用10几行代码自己写个人脸识别程序
Simpler chronicle of CI(Continuous Integration) “乱弹系列”之持续集成工具
📅 2016-10-26
引言有句话说有人的地方就有江湖，同样，有江湖的地方就有恩怨。在软件行业历史长河（虽然相对于其他行业来说，软件行业的历史实在太短了，但是确是充满了智慧的碰撞也是十分的精彩）中有一些恩怨情愁，分分...
【原创】深入浅出区块链系统：第二章
📅 2016-10-13
使用Solidity创建以太坊(Ethereum)智能合约(Smart Contract)
浅谈软件单元测试中的“断言” (assert)，从石器时代进步到黄金时代。
📅 2016-09-17
大家都知道，在软件测试特别是在单元测试时,必用的一个功能就是“断言”（Assert)，可能有些人觉得不就一个Assert语句，没啥花头，也有很多人用起来也是懵懵懂懂，认为只要是Assert开头的...
Head First Blockchina 1
📅 2016-09-11
深入浅出区块链系统：第一章. what you should know about blockchain
漫谈开发设计中的一些‘原则’及'设计哲学'
📅 2016-09-02
在开发设计中有一些常用原则或者潜规则，根据笔者的经验，这里稍微总结一下最最常用的，以飨读者。

🔖 MySql (4 篇文章)

Refind Java Solid Principles
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
Refind Java Concurrency
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
How to find non-empty json value in mysql
📅 2023-02-23
You are not a drop in the ocean, you are the entire ocean in a drop.
Scripts bible for MySql
📅 2022-07-18
Be the Sun of your solar system.

🔖 NIO (1 篇文章)

How to process data from S3 download URL
📅 2020-10-20
S3 download URL As you know, AWS S3 object can be downloaded/processed by S3 download URL. I’m s...

🔖 NavigableMap (1 篇文章)

NavigableMap Misc
📅 2017-01-19
What is NavigableMap

🔖 Network Diagnostics (3 篇文章)

The Great Migration -- Moving Azure Web App and App Service Plan Across Subscriptions
📅 2024-11-30
A younger brother knows his older brother better than anyone else.
Notes and pitfalls for redis development
📅 2024-01-06
A younger brother knows his older brother better than anyone else.
Unlocking Network Secrets A MacBook Traceroute Tutorial
📅 2023-08-07
A younger brother knows his older brother better than anyone else.

🔖 Networking (3 篇文章)

The Great Migration -- Moving Azure Web App and App Service Plan Across Subscriptions
📅 2024-11-30
A younger brother knows his older brother better than anyone else.
Notes and pitfalls for redis development
📅 2024-01-06
A younger brother knows his older brother better than anyone else.
Unlocking Network Secrets A MacBook Traceroute Tutorial
📅 2023-08-07
A younger brother knows his older brother better than anyone else.

🔖 Neutral network (3 篇文章)

Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
Understanding Backpropagation in Neural Networks
📅 2023-06-17
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Rob...
The Curious Case of 'localhost' vs '127.0.0.1' in MySQL Connections
📅 2023-06-17
Everybody may not to be famous but everybody can be great. “The Curious Case of ‘localhost’...

🔖 NodeJs (5 篇文章)

Solution center for Node errors
📅 2022-03-09
Fina a way. If there’s none, make one!
rxjs pipe in depth
📅 2018-05-15
https://stormforger.com/blog/2016/07/08/types-of-performance-testing/
NodeJs Notes
📅 2018-03-18
commands to read files var lineReader = require(‘readline’).createInterface({ input: require(...
What is difference between declarations, providers and import in NgModule
📅 2018-01-11
What is difference between declarations, providers and import in NgModule
RxJS reactive extension javascript
📅 2017-12-08
Streams

🔖 OOP (1 篇文章)

Composition and Aggregation in Object-Oriented Modeling
📅 2023-07-22
“The past does not equal the future unless you live there.” - Tony Robbins

🔖 OfficeSafety (1 篇文章)

How to user fire extinguisher
📅 2021-10-08
Summary As you know, staff and your safety is paramount. So what if emergency take place, such as...

🔖 OpenShift (1 篇文章)

cloud computering
📅 2017-12-18
openshift vs openstack The shoft and direct answer is `OpenShift Origin can run on top of OpenSta...

🔖 OpenStack (1 篇文章)

cloud computering
📅 2017-12-18
openshift vs openstack The shoft and direct answer is `OpenShift Origin can run on top of OpenSta...

🔖 Openshift (1 篇文章)

Strategy-Of-Openshift-Releases
📅 2018-05-14
Release & Testing Strategy There are various methods for safely releasing changes to Producti...

🔖 Pandas (1 篇文章)

What is shape function in python pandas
📅 2023-02-19
Imagination is the key ingredient to a happy life.

🔖 PerformanceTuning (24 篇文章)

Deep dive for errors during Spring Boot Tests
📅 2023-03-28
Transaction silently rolled back because it has been marked as rollback-only
Is Import Star Devil
📅 2023-03-27
Why using wildcard import is devil
Spring Cloud Master Piece 1
📅 2023-03-19
what’s API gateway An API Gateway is a key component in microservices architecture that acts as a...
Spring Cloud Master Piece 2
📅 2023-03-19
what’s usage of bootstrap yml In a Spring Boot application, the bootstrap.yml (or bootstrap.prope...
Spring Cloud Master Piece 3
📅 2023-03-19
Sample me how to build a eureka service discovery
Spring Cloud Master Piece 4
📅 2023-03-19
How to use service discovery in spring book
Spring Cloud Master Piece 5
📅 2023-03-19
How to add security among micro service in spring boot
Difference Between Using Ribbon And A Load Balancer
📅 2023-03-19
The main difference between using Ribbon and a Load Balancer is the location of the load balancin...
Spring Cloud Master Piece 6
📅 2023-03-19
Sample me build a micro service payment system with spring cloud Here’s an example of building a ...
Splitting A Monolithic Application Into Microservices
📅 2023-03-19
Splitting a monolithic application into microservices can be a complex process that requires care...
Spring API Gateway Best Practices
📅 2023-03-19
Spring API Gateway Best Practices
Spring Cloud Master Piece 9
📅 2023-03-19
What’s spring cloud config Spring Cloud Config is a distributed configuration server that provide...
Spring Cloud Masterpiece 10
📅 2023-03-19
In spring cloud what’s when to use feign client and when to sue resttemplate
Hibernate Transaction Management
📅 2023-03-19
Details of how hibernate transaction management works
What's Difference Of Cny And Cnh
📅 2023-03-19
what’s difference of CNY and CNH CNY and CNH are both currencies used in China, but they are diff...
Feature Flag Spring Boot
📅 2023-03-19
summary Feature flag library in spring boot
How To Detach In Jpa
📅 2023-03-19
A real sample of using JPA detach
Spring Boot Test In A Nutshell
📅 2023-03-19
what’s spring boot test annotation
how-to-stop-quartz-scheduling-during-springboot-test
📅 2023-03-18
how-to-stop-quartz-scheduling-during-springboot-test
annoying-debug-logs-in-springboot-test
📅 2023-03-18
Stop annoying debug logs in spring boot test
Date Is The Most Ignored Treasure In Macbook
📅 2023-03-17
“The only way to do great work is to love what you do.” - Steve Jobs
How To Config JFR Java Flight Control
📅 2023-03-14
“Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine...
Jdk Mission Control Can Not Start In Macbook M1
📅 2023-03-13
“Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine...
How To Read Jdk Mission Control Report
📅 2023-03-13
Live the life you’ve imagined.

🔖 Pfizer (1 篇文章)

Shall I still need booster even after I got dose 3?
📅 2021-01-17
The greatest wealth is health!

🔖 Pipenv (1 篇文章)

Complete Guide: Fixing Python 3.8 and Pipenv Errors in WSL2 (2025 Solutions)
📅 2025-03-26
The greatest glory in living lies not in never falling, but in rising every time we fall. - Ne...

🔖 Platform (1 篇文章)

Kubenetes Zero to Hero
📅 2024-09-27
You are not a drop in the ocean, you are the entire ocean in a drop.

🔖 Productivities (1 篇文章)

Triple your productivities by Visual studio code keyboard shortcuts
📅 2022-03-08
The sentence The quick brown fox jumps over the lazy dog uses every letter of the alphabet.

🔖 Productivity (3 篇文章)

Who Is Running On Port 8080
📅 2023-05-02
A young idler, an old beggar. - William Shakespeare
How To Convert One Monolith Java System To Microservices
📅 2023-03-14
Whatever is worth doing is worth doing well.
How To Keep Multiple Copy Paste Value In Macbook
📅 2023-03-12
“Winning is nice if you don’t lose your integrity in the process.” — Arnold Horshak

🔖 Programing (4 篇文章)

Bible blog for most commonly found Gradle errors
📅 2022-03-23
People are smarter than you think. Give them a chance to prove themselves.
Pearls in Front end development
📅 2022-03-19
Be happy in front of people who don’t like you, it kills them.
Ruby from zero to hero
📅 2022-03-13
This is your life. Do what you love, and do it often.
Everything you'd know for Groovy interviews
📅 2022-03-12
Life is short. Don’t waste it with negative people who don’t appreciate you. Keep them in your...

🔖 Programming (18 篇文章)

Awesome-awk-tools Simplicity is the ultimate sophistication
📅 2024-12-17
“Simplicity is the ultimate sophistication.” - Leonardo da Vinci
Lock Wait Timeout Exceptions and Data Persistence Issues in Spring Boot and Hibernate
📅 2024-05-17
If you can make your hobby your profession, you never have to work another day in your life. —...
Why Hibernate Still Logs SQL Even When Disabled in application.yaml
📅 2024-05-01
Good leadership consists of doing less and being more. —Dave Ramsey
Unlocking SQL Superpowers-> How CTEs Will Transform Your Database Queries
📅 2024-05-01
“Stress is like a pulse, if you have it you are alive.” — Steve Maraboli
Streamline Your Workflow by Fastest way to run Maven Builds with a Keyboard Shortcut in IntelliJ
📅 2024-04-04
A leader takes people where they want to go. A great leader takes people where they don’t nece...
The Curious Case of Azure Key Vault Defender Alerts - When Security Settings Play Hide and Seek
📅 2024-04-04
A leader takes people where they want to go. A great leader takes people where they don’t nece...
Resolving Disconnected Database Connections in Spring Boot with c3p0 Connection Pool
📅 2024-03-28
“Everything is easy, once you know the answer. —Dave Magee
使用 c3p0 连接池解决 Spring Boot 中断的数据库连接问题（解决 Spring Boot 中断的数据库连接问题）
📅 2024-03-28
一旦你知道答案，一切都会变得简单。” —— 戴夫·梅吉（Dave Magee）
IntelliJ sudden crashed of compile error MapStruct or Kotlin
📅 2024-03-25
Life begins at the edge of the comfort zone
How to Test Logging Output in JUnit
📅 2023-08-07
A younger brother knows his older brother better than anyone else.
How Guru to use Capturing Groups in Python Regular Expressions
📅 2023-07-31
A dream deferred is a dream denied. -Langston Hughes
Composition and Aggregation in Object-Oriented Modeling
📅 2023-07-22
“The past does not equal the future unless you live there.” - Tony Robbins
Exploring the `useRequest` Hook from `ahooks`
📅 2023-07-20
“The best way to predict the future is to invent it.” - Alan Kay
why use mid = (low + high) // 2 but not (high-low)//2
📅 2023-06-29
“Don’t let yesterday take up too much of today.” - Will Rogers
Introduction to Generator Expressions in Python
📅 2023-06-28
“It always seems impossible until it’s done.” - Nelson Mandela
How To Split Sql Insert Statement
📅 2023-05-29
“Don’t let yesterday take up too much of today.” - Will Rogers
docker-commands-bible
📅 2023-05-22
“Don’t let yesterday take up too much of today.” - Will Rogers
Failed to install gem in Mac, incompatible architecture and missing psych
📅 2022-03-11
Burn your ego before it burns you.

🔖 Protocols (1 篇文章)

Network Protocols
📅 2017-01-28
Net Protocols

🔖 Python (13 篇文章)

Complete Guide: Fixing Python 3.8 and Pipenv Errors in WSL2 (2025 Solutions)
📅 2025-03-26
The greatest glory in living lies not in never falling, but in rising every time we fall. - Ne...
When Your Retry Mechanism Doesn't Retry - A Tale of String Matching Gone Wrong
📅 2024-12-16
The biggest room in the world is the room for improvement. — Helmut Schmidt
How Guru to use Capturing Groups in Python Regular Expressions
📅 2023-07-31
A dream deferred is a dream denied. -Langston Hughes
Understanding Python's Late Binding Behavior A Deep Dive
📅 2023-07-09
“Hang Out with People Who are Better than You.” — Warren Buffett
Introduction to Generator Expressions in Python
📅 2023-06-28
“It always seems impossible until it’s done.” - Nelson Mandela
master-spring-properties-injection
📅 2023-03-20
“The only way to do great work is to love what you do.” - Steve Jobs
Understanding Lookbehind and Lookahead in Regular Expressions for Efficient Text Processing
📅 2023-03-20
“The only way to do great work is to love what you do.” - Steve Jobs
How To Extract Table Name From Sql By Python
📅 2023-03-01
You are not a drop in the ocean, you are the entire ocean in a drop.
What is shape function in python pandas
📅 2023-02-20
An honest days’ work makes for a good night’s sleep.
What is shape function in python pandas
📅 2023-02-19
Imagination is the key ingredient to a happy life.
What is default logic in python try except else
📅 2023-02-18
Keep an eye on the fruits of your labor.
A Facial Recognition utility in a dozen of LOC
📅 2020-06-28
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)
Python
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This blog is listing key new features introduced in Java 8

Random number in java

less than 1 minute read

ThreadLocalRandom, SecureRandm, java.util.Random, java.math.Random

Java Class Loader

33 minute read

1 minute read

What’s it Returns an unmodifiable view of the specified set. This method allows modules to provide users with “read-only” access to internal sets. Query ope...

Anatomy of ThreadLocal

less than 1 minute read

3 minute read

How To Config JFR Java Flight Control

2 minute read

1 minute read

1 minute read

Python

less than 1 minute read

7 minute read

A Facial Recognition utility in a dozen of python LOC (Lines Of Code)

Python

less than 1 minute read

less than 1 minute read

Normal approach to debug maven

Debug Stuck IntelliJ

1 minute read

What happened to a debug job hanging in IntelliJ (IDEAS) IDE? You may find when you try to debug a class in Intellij but it stuck there and never proceed, e....

automation

Weird Problem Changed Configurations In Pom Xml Not Work

3 minute read

“I can’t relate to lazy people. We don’t speak the same language.” — Kobe Bryant

Xpath Playground Best Practices

2 minute read

A young idler, an old beggar. - William Shakespeare

UUID deep dive

4 minute read

A young idler, an old beggar. - William Shakespeare

Let AI To Manage Stripe Payment

1 minute read

A young idler, an old beggar. - William Shakespeare

io_mockk_MockKException__no_answer_found_for

1 minute read

A young idler, an old beggar. - William Shakespeare

which-port-my-service-is-running

2 minute read

Summary As a Java developer, it’s important to know how to find out which port number your Spring service is running on. This information is useful when you ...

How To Install Sonarqube Via Docker

3 minute read

“Hang Out with People Who are Better than You.” — Warren Buffett

what is StrictHostKeyChecking in ssh

less than 1 minute read

What’s and how to avoid error of the authenticity of host ‘xxx’ can’t be established You can suppress the “The authenticity of host ‘’ can’t be established” ...

know in and out of free command

2 minute read

You are not a drop in the ocean, you are the entire ocean in a drop.

To increase your productivity 10 times, learn expect and read this blog

4 minute read

3 minute read

2 minute read

Dependency Injection Angular doesn’t automatically know how you want to create instances of your services or the injector to create your service. You must co...

Git

Not just use git but know how git symbolic-ref work

2 minute read

less than 1 minute read

2 minute read

AWS

Avoiding Data Loss - S3 Lifecycle Rules During Terraform Version Migrations

2 minute read

Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Robbins

Cheap and flexible computing

1 minute read

whether it seems possible or not - go for it Cheaper X 2 to EC2, to use Fargate Spot With Fargate Spot you can run interruption tolerant Amazon ECS t...

How to check your CPU model and Linux distribution in your AWS VM

1 minute read

Lift is short, enjoy the ride.

How to ace AWS certification just like play a game

76 minute read

Life isn’t about finding yourself. Life is about creating yourself.

How to process data from S3 download URL

less than 1 minute read

S3 download URL As you know, AWS S3 object can be downloaded/processed by S3 download URL. I’m showing you two examples on how to process S3 Object by NIO f...

AWS Tips

less than 1 minute read

After establishing a SSH session, you can install a default web server by executing sudo yum install httpd -y. To start the web server, type sudo service htt...

ssh

io_mockk_MockKException__no_answer_found_for

1 minute read

A young idler, an old beggar. - William Shakespeare

which-port-my-service-is-running

2 minute read

Summary As a Java developer, it’s important to know how to find out which port number your Spring service is running on. This information is useful when you ...

How To Install Sonarqube Via Docker

3 minute read

“Hang Out with People Who are Better than You.” — Warren Buffett

what is StrictHostKeyChecking in ssh

less than 1 minute read

What’s and how to avoid error of the authenticity of host ‘xxx’ can’t be established You can suppress the “The authenticity of host ‘’ can’t be established” ...

Is Fibonacci sequence that starts with 0 or 1

less than 1 minute read

The best way to predict the future is to create it.

How to fix most permission issues when using Git

less than 1 minute read

The best way to predict the future is to create it.

DB

Refind Java Concurrency

1 minute read

You are not a drop in the ocean, you are the entire ocean in a drop.

Refind Java Solid Principles

1 minute read

You are not a drop in the ocean, you are the entire ocean in a drop.

How to find non-empty json value in mysql

less than 1 minute read

You are not a drop in the ocean, you are the entire ocean in a drop.

SQL

less than 1 minute read

Differences between not in, not exists , and left join with null

Database sharding

4 minute read

DB sharding in YHD

javascript

RXJS – reactive Programming like a hero

12 minute read

When love is real, it doesn’t lie, cheat, pretend or keep secrets.

How to setup nodejs to install package from intranet

1 minute read

Error of ‘ECONNRESET’ You may face error ECONNRESET from intranet, even appropriate proxy tools (e.g. cntlm) is running. The errors may looks like ```bash $ ...

ngrx

2 minute read

Why @Effects? In a simple ngrx/store project without ngrx/effects there is really no good place to put your async calls. Suppose a user clicks on a button or...

Redux

less than 1 minute read

whats @Effects You can almost think of your Effects as special kinds of reducer functions that are meant to be a place for you to put your async calls in suc...

common errors in NPM or node

less than 1 minute read

code E503 code E503 when run npm install packages, e.g.

NodeJs

Solution center for Node errors

1 minute read

Fina a way. If there’s none, make one!

rxjs pipe in depth

6 minute read

https://stormforger.com/blog/2016/07/08/types-of-performance-testing/

NodeJs Notes

less than 1 minute read

commands to read files var lineReader = require(‘readline’).createInterface({ input: require(‘fs’).createReadStream(‘C:\dev\node\input\git_reset_files.tx...

What is difference between declarations, providers and import in NgModule

1 minute read

What is difference between declarations, providers and import in NgModule

RxJS reactive extension javascript

13 minute read

Google マップ内の写真のコメントが表示されない

less than 1 minute read

Les commentaires des photos ne s’affichent pas dans Google Maps.

1 minute read

Introduction J’ai remarqué un problème étrange avec l’application “Google Maps” de mon téléphone Android Oppo. Lorsque vous recherchez un lieu sur Google Map...

谷歌地图里面照片的评论和照片在华为手机里面显示不出来

less than 1 minute read

枝上柳棉吹又少, 天涯何处无芳草. –苏轼

Google maps no photos reviews

less than 1 minute read

Summary

谷歌地图里面照片的评论显示不出来

less than 1 minute read

If you’d like to view solution in YouTube, check out at https://youtu.be/ICiwuqJ-yU8

Maven

SkipTest-Not-Work-In-Multiple-models-project

less than 1 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

Single vs Double precisions, float vs double data type

2 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

SkipTest-Not-Work-In-Multiple-models-project

3 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

Maven error and solution on No such host is known

5 minute read

Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad Service keep on restarting If you spot service is restartin...

Maven error and solution on No such host is known

3 minute read

Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad

Errors

SkipTest-Not-Work-In-Multiple-models-project

less than 1 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

Single vs Double precisions, float vs double data type

2 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

SkipTest-Not-Work-In-Multiple-models-project

3 minute read

Leave nothing for tomorrow which can be done today. -Abraham Lincoln.

Maven error and solution on No such host is known

5 minute read

Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad Service keep on restarting If you spot service is restartin...

Maven error and solution on No such host is known

3 minute read

Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad

SpringData

A taste of GraphQL

1 minute read

A good day starts with a good mindset!

A taste of GraphQL

1 minute read

A good day starts with a good mindset!

What’s inside magic in Spring Data JPA

less than 1 minute read

A good day starts with a good mindset!

What’s inside magic in Spring Data JPA

1 minute read

A good day starts with a good mindset!

Why Spring turn a column name from camelNaming to snake_Naming

1 minute read

Don’t spend another year doing the same shit.

Intellij

Compile Error Java Kotlin Coexist Project In Intellij

1 minute read

The biggest room in the world is the room for improvement. — Helmut Schmidt

RestTemplate Powered Http2

less than 1 minute read

Why HTTP/2 is Better

Compile Error Java Kotlin Coexist Project In Intellij

2 minute read

How to Fine Tune RestTemplate

Compile Error Java Kotlin Coexist Project In Intellij

less than 1 minute read

The root cause is your customized HttpMessageConverter stopped processing of WebSecurity

Cannot find symbol class Generated or var

1 minute read

The best way to predict the future is to create it.

devops

io_mockk_MockKException__no_answer_found_for

1 minute read

A young idler, an old beggar. - William Shakespeare

which-port-my-service-is-running

2 minute read

Summary As a Java developer, it’s important to know how to find out which port number your Spring service is running on. This information is useful when you ...

How To Install Sonarqube Via Docker

3 minute read

“Hang Out with People Who are Better than You.” — Warren Buffett

what is StrictHostKeyChecking in ssh

less than 1 minute read

What’s and how to avoid error of the authenticity of host ‘xxx’ can’t be established You can suppress the “The authenticity of host ‘’ can’t be established” ...

know in and out of free command

2 minute read

You are not a drop in the ocean, you are the entire ocean in a drop.

Mac

To outstanding as professional MacBook pro user

3 minute read

The most effective way to do it, is to do it Homebrew The best practice is to run brew info before install new software. It will generally list what’s c...

Awesome Swift for iOS

2 minute read

Frame in Swift

less than 1 minute read

whats @Effects You can almost think of your Effects as special kinds of reducer functions that are meant to be a place for you to put your async calls in suc...

iOS

Awesome Swift for iOS

2 minute read

Frame in Swift

2 minute read

Argument Matching & Answers For example, you have mocked DOC with call(arg: Int): Intfunction. You want to return 1 if argument is greater than 5 and -1 ...

Swift

Awesome Swift for iOS

2 minute read

Frame in Swift

less than 1 minute read

less than 1 minute read

Python Scraphy

java history

Java new features

less than 1 minute read

JDK Versions JDK 1.5 in 2005 JDK 1.6 in 2006 JDK 1.7 in 2011 JDK 1.8 in 2014 Sun之前风光无限，但是在2010年1月27号被Oracle收购。在被Oracle收购后对外承诺要回到每2年一个realse的节奏。但是20...

iOS programming

JQ

Mastering JQ- The Swiss Army Knife of JSON Processing

3 minute read

Imagination is the key ingredient to a happy life.

新闻

当天堂燃烧时——现代火灾的悖论

less than 1 minute read

“光焰愈盛，其衰愈速。”——老子当天堂燃烧：现代火灾的悖论当2025年人们刚刚从庆祝2024年美国大选胜利的日子里和期待新的一年会更好时，洛杉矶突然发生了一场火灾。

火灾

当天堂燃烧时——现代火灾的悖论

less than 1 minute read