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  Spring – Web sockets in Java Development

Experts of java development team are sharing this article with entire java development community. The purpose behind intending this post is to explain spring – Web sockets as a concept to rest of the world. Technology: Web socket is the one of the protocol supported by web-browsers and web-servers. It provides the two-way communication between client and server. It is used in any Java application for providing the two way communication between client and server. It opens a connection betw...

   JAVA DEVELOPMENT,SPRING,JAVA TECHNOLOGY     2016-09-13 03:56:54

  Mock Solutions for GoLang Unit Test

In Go development, Unit Test is inevitable. And it is essential to use Mock when writing Unit Tests. Mock can help test isolate the business logic it depends on, enabling it to compile, link, and run independently. Mock needs Stub. Stub function replaces the real business logic function, returns the required result, and assists the test. I involved the related test code for Controllers while writing Kubernetes Operator recently, and there would be mocks for GRPC and HT...

   UNIT TEST,TESTIFY,GOSTUB,GOMOCK     2020-10-31 21:59:15

  A Sip of Go Log

Logging is indispensable in any code that we need its support both in debugging and in statistics. However, a package that filled withfmt.Println/fmt.Printf printing various messages can never be considered a read-to-be-adopted package, which can be optimized by a simple change, using Golang’s native log package to print information to standard output or to a file. Then, how to apply the log package? Are there any limitations? If so, can we seek open-source packages? Let&rsq...

   GOLANG,LOGGING     2022-06-16 05:43:24

  Build a Kubectl Plugin from Scratch

by author The command-line tool kubectl is indispensable when using Kubernetes. You need it to query related Pod and Service information both in developing or performing some maintenance operations, such as events, scale, rolling update, etc. However, when using kubectl, there are many inconveniences. Though Kubernetes is officially maintaining kubectl¹, and you can submit the problems, improvement, and even PR in its Github Issues, you still have to wait long before its release. The m...

   KUBENETES,KUBECTL,PLUGIN,GOLANG     2020-12-02 03:43:16

  9 Ways to Create Thread Pools with Java Executors

In Java, the Executors class provides a variety of static factory methods to create different types of thread pools. When learning about thread pools, the Executors class is indispensable. Mastering its usage, principles, and scenarios will enable you to apply it smoothly in actual project development. Here are some commonly used methods, which I will explain one by one: newCachedThreadPool(): Creates a cached thread pool. If a thread has not been used for 60 seconds, it will be terminated and ...

   TUTORIAL,JAVA THREAD     2024-07-19 23:07:09

  IT System Cyber Attack Case Study 01: Malicious Macro and Backdoor Trojan Attack on IT-Network

Project Design Purpose: The objective of this cyber attack case study is to develop a workshop showcasing a practical demonstration of a red team attacker implementing an IT system/network attack via a Malicious Macro MS-Office-Word file (CVE-2015-1641) and phishing email generation program to penetrate multiple layers of firewall defenses and implant a backdoor trojan into the railway system's OT network. Related Links: GitHub Project Link , LinkedIn Post Link Attacker Vector: Malicious Macro ...

       2024-08-03 08:21:49

  Cleansing data with Pig and storing JSON format to HBase with Pig UDF

Introduction This post will explain you the way to clean data and store JSON format to HBase. Hadoop architect experts also explain Apache Pig and its advantages in Hadoop in this post. Read more and find out how they do it. This post contains steps to do some basic clean the duplication data and convert the data to JSON format to store to HBase. Actually, we have some built-in lib to parse JSON in Pig but it is important to manipulate the JSON data in Java code before store to HBase. Apache Pig...

   JSON,HADOOP ARCHITECT,APACHE HBASE,PIG UDF     2016-06-10 01:13:41

  Introduction to the Application of eBPF in Golang

Most of the time, when we develop software or even use software, we play within the safe boundaries of the operating system. We might not know how the network interface welcomes that IP packet, nor how the filesystem handles the inodes when we save a file. This boundary is called user space, which is where we write applications, libraries, and tools. But there's another world, kernel space, where the operating system's kernel resides and is responsible for managing system resources such as memor...

   EBPF,GOLANG,GUIDE,APPLICATION     2024-10-02 08:46:37

  Top 25 Must Have Wordpress Plugins for 2016

There are nearby 30 thousand WordPress plug-ins available in the market. But you must know the plug-ins, that are worthy for you according to your business & requirements. Here is the list of top 25 WordPress plug-ins according to me & my team that may helpful for you.   1. WordPress SEO by Yoast - Best SEO plugin:   Yoast SEO, previously known as a WordPress SEO by Yoast, specially used to boost search engine traffic on your WordPress website. Just install this plug-in and be...

   WORDPRESS PLUGIN DEVELOPMENT,MUST HAVE WORDPRESS PLUGINS,BEST WORDPRESS PLUGINS FOR WEBSITE,WORDPRES     2016-03-10 05:04:26

  Example on integrating TypeScript with Webpack

TypeScript is now a very popular language to create typed JavaScript code to reduce development error. It provides a type system on top of JavaScript which has only a weak type system. Once the TypeScript code is developed, it can be compiled into corresponding JavaScript so that they can be loaded and parsed by browser. Webpack is another tool for bundling multiple JS files into a single one so that no multiple connections to be established between browser and server. when a page is loaded This...

   TYPESCRIPT,WEBPACK,JAVASCRIPT,EXAMPLE     2021-03-13 21:31:29