Mastering Date Formatting in Bash: A Developer’s Guide
A younger brother knows his older brother better than anyone else.
A younger brother knows his older brother better than anyone else.
You are not a drop in the ocean, you are the entire ocean in a drop.
Unraveling the Mystery of Nested SQL Comments in VS Code Have you ever found yourself staring at a sea of incorrectly highlighted SQL code in Visual Studio C...
how to let your flyway database scheme migrate more robustly and self healing
how to let your flyway database scheme migrate more robustly and self healing
If you can make your hobby your profession, you never have to work another day in your life. —Anonymous
“Stress is like a pulse, if you have it you are alive.” — Steve Maraboli
Good leadership consists of doing less and being more. —Dave Ramsey
A leader takes people where they want to go. A great leader takes people where they don’t necessarily want to go, but ought to be. —Rosalynn Carter, forme...
一旦你知道答案,一切都会变得简单。” —— 戴夫·梅吉(Dave Magee)
“Everything is easy, once you know the answer. —Dave Magee
Life begins at the edge of the comfort zone
One must learn by doing the thing; for though you think you know it, you have no certainty, until you try. —Sophocles
One must learn by doing the thing; for though you think you know it, you have no certainty, until you try. —Sophocles
A younger brother knows his older brother better than anyone else.
Mastering JSON Data Manipulation with jq: A Comprehensive Guide
XLOOKUP vs. VLOOKUP: Excel’s Dynamic Duo for Data Lookup
To find out the port numbers running in servers
The simplest way to check an mariadb is runnning systemctl status mariadb
To run commands in VMs in Azure
The biggest room in the world is the room for improvement. Filters in Convolutional Neural Networks (CNNs) In the context of convolutional neural net...
A younger brother knows his older brother better than anyone else.
A younger brother knows his older brother better than anyone else.
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...
A dream deferred is a dream denied. -Langston Hughes
“The past does not equal the future unless you live there.” - Tony Robbins
useRequest
Hook from ahooks
“The best way to predict the future is to invent it.” - Alan Kay
“Hang Out with People Who are Better than You.” — Warren Buffett
A young idler, an old beggar. - William Shakespeare Understanding React export a Component In this blog post, we will dive into the code of the RepoU...
“Don’t let yesterday take up too much of today.” - Will Rogers
“It always seems impossible until it’s done.” - Nelson Mandela
We never lose friends but just start to find real ones. - William Shakespeare
Everybody may not to be famous but everybody can be great. “The Curious Case of ‘localhost’ vs ‘127.0.0.1’ in MySQL Connections” Have you ever encoun...
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Robbins
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Robbins
Your past is a lesson. Not a life sentence. Forgive yourself and focus on the future. -Mel Robbins
A young idler, an old beggar. - William Shakespeare
A young idler, an old beggar. - William Shakespeare
“Don’t let yesterday take up too much of today.” - Will Rogers
“Don’t let yesterday take up too much of today.” - Will Rogers
“What you seek is seeking you.” — Rumi
“I can’t relate to lazy people. We don’t speak the same language.” — Kobe Bryant
“What you seek is seeking you.” — Rumi
A young idler, an old beggar. - William Shakespeare
A young idler, an old beggar. - William Shakespeare
The biggest room in the world is the room for improvement. — Helmut Schmidt
A young idler, an old beggar. - William Shakespeare
A young idler, an old beggar. - William Shakespeare
Why HTTP/2 is Better
How to Fine Tune RestTemplate
大堡礁的一些知识
The root cause is your customized HttpMessageConverter stopped processing of WebSecurity
A young idler, an old beggar. - William Shakespeare
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 ...
“Hang Out with People Who are Better than You.” — Warren Buffett
“Hang Out with People Who are Better than You.” — Warren Buffett
Failure of timeout or connection when running pip install
message:/'Invoking SP with quoteContext*werqewr-1234asdf-sdf23-9d83-asdf23*'/
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” ...
You are not a drop in the ocean, you are the entire ocean in a drop.
知其雄,守其雌 什么意思
Transaction silently rolled back because it has been marked as rollback-only
Why using wildcard import is devil
A sample to test concurrent JPA modifications
A runnable example in Java to create a cucumber test code files to simulate multiple read and write entity via JPA repository
What’s purpose of AopTestUtils.getTargetObject()?
“The only way to do great work is to love what you do.” - Steve Jobs
“The only way to do great work is to love what you do.” - Steve Jobs
Give me sample to test concurrent JPA modifications
what’s spring boot test annotation
A real sample of using JPA detach
summary Feature flag library in spring boot
what’s difference of CNY and CNH CNY and CNH are both currencies used in China, but they are different in a few important ways:
Details of how hibernate transaction management works
In spring cloud what’s when to use feign client and when to sue resttemplate
What’s spring cloud config Spring Cloud Config is a distributed configuration server that provides a centralized location to manage external properties for a...
Spring API Gateway Best Practices
Splitting a monolithic application into microservices can be a complex process that requires careful planning and implementation. Here is a high-level approa...
Sample me build a micro service payment system with spring cloud Here’s an example of building a microservice payment system using Spring Cloud:
The main difference between using Ribbon and a Load Balancer is the location of the load balancing logic.
How to add security among micro service in spring boot
How to use service discovery in spring book
Sample me how to build a eureka service discovery
what’s usage of bootstrap yml In a Spring Boot application, the bootstrap.yml (or bootstrap.properties) file is used for configuring the application’s enviro...
what’s API gateway An API Gateway is a key component in microservices architecture that acts as a single entry point for client requests to a microservices-b...
Stop annoying debug logs in spring boot test
how-to-stop-quartz-scheduling-during-springboot-test
“The only way to do great work is to love what you do.” - Steve Jobs
“Believe you can and you’re halfway there.” - Theodore Roosevelt
“The only way to do great work is to love what you do.” - Steve Jobs
Whatever is worth doing is worth doing well.
“Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine flows into trees. The winds will blow their own freshness i...
Live the life you’ve imagined.
“Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine flows into trees. The winds will blow their own freshness i...
“Winning is nice if you don’t lose your integrity in the process.” — Arnold Horshak
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、通常、このアプリは公園の写真やコメントリストを表示するはずです。例えば、誰かが公園の芝生や川の写真を投稿し、便利な場所...
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...
Nothing is as easy as it looks.
Nothing is as easy as it looks.
You are not a drop in the ocean, you are the entire ocean in a drop.
You are not a drop in the ocean, you are the entire ocean in a drop.
You are not a drop in the ocean, you are the entire ocean in a drop.
You are not a drop in the ocean, you are the entire ocean in a drop.
You are not a drop in the ocean, you are the entire ocean in a drop.
An honest days’ work makes for a good night’s sleep.
Imagination is the key ingredient to a happy life.
Keep an eye on the fruits of your labor.
Superheros come in all shapes and sizes.
The heart can see what is invisible to the eye.
The heart can see what is invisible to the eye.
The best way to predict the future is to create it.
Som are born beautiful. The rest of us have to work at it.
Don’t be greedy. Half of something is better than all nothing.
The best way to predict the future is to create it.
The best way to predict the future is to create it.
Lift is short, enjoy the ride.
The best way to predict the future is to create it.
枝上柳棉吹又少, 天涯何处无芳草. –苏轼
The best way to predict the future is to create it.
Life is like the ocean, it goes up and down.
Be the Sun of your solar system.
”—————————————————————- “ 4. User interface “—————————————————————- “ Set X lines to the cursor when moving vertically set scrolloff=0
Get busy living or get busy dying.
Turn your wounds into wisdom
Today a reader, tomorrow a leader.
Never stop learning, because life never stops teaching.
Life is really simple, but men insist on making it complicated.
Take the risk or lose the chance!
Worries less, smile more!
Kill time, or kiss time!
One must learn by doing the thing; for though you think you know it, you have no certainty, until you try. —Sophocles
Success is the sum of small efforts, repeated.
Do what you say, say what you do.
Don’t wish for it, work for it.
Don’t find fault. Find a remedy.
People are smarter than you think. Give them a chance to prove themselves.
Be happy in front of people who don’t like you, it kills them.
This is your life. Do what you love, and do it often.
Life is short. Don’t waste it with negative people who don’t appreciate you. Keep them in your heart but keep them out of your life.
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...
Burn your ego before it burns you.
Don’t be afraid to make s splash.
Less expecting, more accepting.
Stay focused, believe that you can achieve at the highest level, surround yourself with others who believe in you and do not stray from your goals.
Fina a way. If there’s none, make one!
The sentence The quick brown fox jumps over the lazy dog uses every letter of the alphabet.
The moment you start focusing on yourself, things start falling into place.
When love is real, it doesn’t lie, cheat, pretend or keep secrets.
Little things make big things happens.
Remember, some things have to end for better things to begin.
A good day starts with a good mindset!
A good day starts with a good mindset!
A good day starts with a good mindset!
A good day starts with a good mindset!
Don’t spend another year doing the same shit.
With great power comes great responsibilities.
Don’t tell people your plans. Just show them your results!
Life is short, make a big splash!
Take time to do what makes your soul happy!
Life isn’t about finding yourself. Life is about creating yourself.
Java Deep Notes
Coding is everything! Code Now!
Coding is everything! Code Now!
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
Leave nothing for tomorrow which can be done today. -Abraham Lincoln.
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...
Don’t promis when you are hapy. Don’t reply when you’re angry and don’t decide when you’re sad
Gradle build stuck, keep on running but never ending
Too much screen time
Summary Following diagram demonstrated the process to bootstrap and use Logback for loggings in Spring Boot applciation.
Symptoms When you are using integrated authentication (Kerberos connection) for MS SqlServer connection, there is one possible error :
Why to extract resources from jar to local disk
Normal approach to debug maven
How to watch specific kubenetes deployment by labels
Background It’s typical to get various network connection issues when you run commands within corporation network. For example, you’ll find diversed issues w...
More developer friendly Threa Sleep
Summary As you know, staff and your safety is paramount. So what if emergency take place, such as fire in office, how to help yourself and your colleagues by...
Summary As you know, there are various event will be sent (multicast) when a specific story taken place.
IT-Solutions-For-Remote-Learning.md
Summary To talk to K8s for getting data, there are few approaches. While K8s’ official Java library is the most widely used one. This blog will look into thi...
Summary In windows operating system, if you want to get your CPU name, core, 64bit and speed in command line. Just follow below actions:
Be a good person in real life, not in social media
Summary Whitelabel Error Page is the default error page in Spring Boot web app. It provide a more user-friently error page whenever there are any issues when...
Summary
If you’d like to view solution in YouTube, check out at https://youtu.be/ICiwuqJ-yU8
The greatest wealth is health!
A debt security represents a debt owed by the issuer to an investor. Here, the investor acts as a lender to the issuer which may be a government, organisatio...
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...
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....
Difference with Scala Kotlin takes the best of Java and Scala, the response times are similar as working with Java natively, which is a considerable advantag...
Shortcuts & tips
此文是作者英文原文的翻译文章,英文原文在:http://todzhang.com/posts/2018-06-10-jvm-warm-up/
Shortcuts for Slack
Key points of Reactive Programming
Frame in Swift
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 ...
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 ...
Dockers Concepts
How to decode path parameters in All REST WebServices calls
Linux Curl command
The concept of join points as matched by pointcut expressions is central to AOP, and Spring uses the AspectJ pointcut expression language by default.
As a general rule it should be possible to use the name as a pivot. Dimensions allow a particular named metric to be sliced to drill down and reason about th...
# Pigeonhole principle
你就会发现只要涉及递归的问题,都是 树的问题。
A Facial Recognition utility in a dozen of python LOC (Lines Of Code)
What’s TLS TLS (Transport Layer Security) and its predecessor, SSL (Secure Sockets Layer), are security protocols designed to secure the communication betwee...
Why JVM need warm up I don’t know how and why you get to this blog. But I know the key words in your mind are “warm” for JVM. As the name “warm up” suggested...
This is the second half about Java Concurrent of my blog
This blog is about noteworthy pivot points about Java Concurrent Framework Back to Java old days there were wait()/notify() which is error prone, while fr...
Algorithm Leetcode
Feelings is the language of the soul. If you want to know what’s true for you about something, look to how your’re feeling about.
Enable Kafka listener annotated endpoints that are created under the covers by a AbstractListenerContainerFactory. To be used on Configuration classes as fol...
Why Terraform
Kafka
FX Spot is not covered by the regulation, as it is not considered to be a financial instrument by ESMA, the European Union (EU) regulator. As FX is considere...
currency pairs Direct ccy: means USD is part of currency pair Cross ccy: means ccy wihtout USD, so except NDF, the deal will be split to legs, both with...
nano seconds
Simple Binary Encoding (SBE)
“Cannot connect to remote desktop” with Citrix Receiver
A new type of Juice Put simply, Guice alleviates the need for factories and the use of new in your Java code. Think of Guice’s @Inject as the new new. You wi...
Key points All YAML files (regardless of their association with Ansible or not) can optionally begin with — and end with …. This is part of the YAML format a...
multithreading
Feature
What are protocol buffers?
Sudo in a Nutshell Sudo (su “do”) allows a system administrator to give certain users (or groups of users) the ability to run some (or all) commands as root...
ZK Motto the motto “ZooKeeper: Because Coordinating Distributed Systems is a Zoo.”
WHAT IS PRESTO?
Overview
Acceptance testing vs unit test It’s sometimes said that unit tests ensure you build the thing right, whereas acceptance tests ensure you build the right thi...
Scala String
philosophy The actor model adopts the philosophy that everything is an actor. This is similar to the everything is an object philosophy used by some object-o...
FileUtil.class
Camel’s message model In Camel, there are two abstractions for modeling messages, both of which we’ll cover in this section. org.apache.camel.Message—The ...
Settings
Exporting your beans to JMX The core class in Spring’s JMX framework is the MBeanExporter. This class is responsible for taking your Spring beans and registe...
Solace PubSub+ It is a message broker that lets you establish event-driven interactions between applications and microservices across hybrid cloud environmen...
App deployment, configuration management and orchestration - all from one system. Ansible is powerful IT automation that you can learn quickly.
Ansible: What Is It Good For? Ansible is often described as a configuration management tool, and is typically mentioned in the same breath as Chef, Puppet, a...
How Flexbox works — explained with big, colorful, animated gifs
commands:
Single Writer principle
KDB However kdb+ evaluates expressions right-to-left. There are no precedence rules. The reason commonly given for this behaviour is that it is a much simple...
Foreign Exchange markets
Better to use smart wait
Key concept In Scrum, a team is cross functional, meaning everyone is needed to take a feature from idea to implementation.
:100:DevOps Model Defined
https://stormforger.com/blog/2016/07/08/types-of-performance-testing/
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 $ ...
Release & Testing Strategy There are various methods for safely releasing changes to Production. Each team must select what is appropriate for their own ...
commands to read files var lineReader = require(‘readline’).createInterface({ input: require(‘fs’).createReadStream(‘C:\dev\node\input\git_reset_files.tx...
https://blog.leanstack.com/minimum-viable-product-mvp-7e280b0b9418
What is difference between declarations, providers and import in NgModule
Cross-Origin Request Sharing - CORS (A.K.A. Cross-Domain AJAX request) is an issue that most web developers might encounter, according to Same-Origin-Policy,...
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...
View A view is also a responder (UIView is a subclass of UIResponder). This means that a view is subject to user interactions, such as taps and swipes. Thus,...
openshift vs openstack The shoft and direct answer is `OpenShift Origin can run on top of OpenStack. They are complementary projects that work well together....
Concepts Cloud computing is the on-demand demand delivery of compute database storage applications and other IT resources through a cloud services platform v...
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...
The second advantage to a lazy subscription is that the observable doesn’t hold onto data by default. In the previous example, each event generated by the in...
code E503 code E503 when run npm install packages, e.g.
The Docker project was responsible for popularizing container development in Linux systems. The original project defined a command and service (both named do...
The drawback of using Promises is that they’re unable to handle data sources that produce more than one value, like mouse movements or sequences of bytes in ...
Commands bible
How Page Value is calculated
interface RandomAccess Marker interface used by List implementations to indicate that they support fast (generally constant time) random access. The primary ...
Secure FTP SFTP over FTP is the equivalant of HTTPS over HTTP, the security version
Setup WebSphere profiles and application in command line
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...
ORA-12899: Value Too Large for Column
Spring Bean Life Cycle Callback Methods
#《亿级流量网站架构核心技术》目录一览 TCP四层负载均衡 使用Hystrix实现隔离 基于Servlet3实现请求隔离 限流算法 令牌桶算法 漏桶算法 分布式限流 redis+lua实现 Nginx+Lua实现 使用sharding-jdbc分库分表 Disruptor+Redis...
This is talking about Java JIT (Just-In-Time) compiler
Java Security well-behaved: programs should be prevent from consuming too much system resources
Noteworthy points about SeriableVersionUID in Java
s<-read.csv("C:/Users/xxx/dev/R/IRS/SHH_SCHISHG.csv") # aggregate s2<-table(s$Original.CP) s3<-as.data.frame(s2) # extract by Frequency ordered s3...
SFTP versus FTPS SS: Secure Shell An increasing number of our customers are looking to move away from standard FTP for transferring data, so we are ofte...
How do I remove a plug-in? Run Help > About Eclipse > Installation Details, select the software you no longer want and click Uninstall. (On Macintosh i...
Class loading subsystem
Maven philosophy “It is important to note that in the pom.xml file you specify the what and not the how. The pom.xml file can also serve as a documentatio...
Notes JDK 1.0 introduced rudimentary I/O facilities for accessing the file system (to create a directory, remove a file, or perform another task), accessi...
Net Protocols
SOA SOA is a set of design principles for building a suite of interoperable, flexible and reusable services based architecture. top-down and bottom-up a...
This page is about key points about Algorithm
Concept
What is the difference between Serializable and Externalizable in Java? In earlier version of Java, reflection was very slow, and so serializaing large ob...
What is NavigableMap
Concepts If you implement Comparable interface and override compareTo() method it must be consistent with equals() method i.e. for equal object by equals(...
Difference between equals and deepEquals of Arrays in Java Arrays.equals() method does not compare recursively if an array contains another array on oth...
Hashmap in JDK Some note worth points about hashmap Lookup process Step# 1: Quickly determine the bucket number in which this element may resid...
This blog is listing key new features introduced in Java 8
What is the difference between arbitrage and hedging?
Enum Misc
verbose:gc verbose:gc prints right after each gc collection and prints details about each generation memory details. Here is blog on how to read verbose gc
contract of hashCode : Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consis...
Apache
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...
ThreadLocalRandom, SecureRandm, java.util.Random, java.math.Random
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...
用10几行代码自己写个人脸识别程序
Eslastic Search
JSON lines
Python Scraphy
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,分分合合的小故事,比如类似的有,从一套代码发展出来后面由于合同到期就分道扬镳,然后各自发展成独门产品的Sybase DB和微...
Hyperledger Fabric for Mortals
使用Solidity创建以太坊(Ethereum)智能合约(Smart Contract)
Reference Sublime Scope Naming Syntax Guide
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开头的方法,拿过来就用。一个偶然的机会跟人聊到此功能,觉得还是有必要在此整理一下如何使用以及对“断言”的理解。希望可以帮助大家...
深入浅出区块链系统:第一章. what you should know about blockchain
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。
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。
RFC origion http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.1.2)
The stark difference among Spark and Storm. Although both are claimed to process the streaming data in real time. But Spark processes it as micro-batches; wh...
可以想像一下,之前的传统应用系统,像是一个大办公室里面,有各个部门,销售部,采购部,财务部。办一件事情效率比较高。但是也有一些弊端,首先,各部门都在一个房间里。
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...
What’s Kibana kibana is an open source data visualization plugin for Elasticsearch. It provides visualization capabilities on top of the content indexed on...
What’s Kibana kibana is an open source data visualization plugin for Elasticsearch. It provides visualization capabilities on top of the content indexed on...
Design philosophies
UI HTML5, AngularJS, BootStrap, REST API, JSON Backend Hadoop core (HDFS), Hive, HBase, MapReduce, Oozie, Pig, Solr
Purpose of BA 带来一些商业价值(收益) 解决业务痛点
REST API must be hypertext driver Roy’s interview
Binary Tree A binary tree is a tree in which no node can have more than two children. A property of a binary tree that is sometimes important is that th...
eBooks list of various books Node.js
Common solutions
Toggle crosshair
“Be the change you wish to see in the world.” - Mahatma Gandhi
Difference between mutal funds and hedge funds
Differences between not in, not exists , and left join with null
concepts
404 error for customized domain (such as godday) 404 There is not a GitHub Pages site here. Go to github master branch for gitpages site, manually add CN...
RQFII RQFII stands for Renminbi Qualified Foreign Institutional Investor. RQFII was introduced in 2011 to allow qualified foreign institutional investors to ...
includes() vs some()
Docker Errors
Concepts LVS means Linux Virtual Server, which is one Linux built-in component.
(‘—–Unexpected error:’, <type ‘exceptions.TypeError’>) datetime.datetime.now()
RAID RAID is Reductant Array Independent Disk,
Concepts
Description
How to setup Git in Mint Linux =================================================
DB sharding in YHD
Microservice Services are organized around capabilities, e.g., user interface front-end, recommendation, logistics, billing, etc. Services are small in ...
Codecache The maximum size of the code cache is set via the -XX:ReservedCodeCacheSize=N flag (where N is the default just mentioned for the particular com...