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Log4Shell: Apache Log4j Vulnerability

Apache Log4j is a popular logging library used across the JVM ecosystem. On Dec 10 2021, a high severity vulnerability was disclosed, dubbed Log4Shell. If you are using a version of Log4j between 2.0 and 2.15.0, an RCE (Remote Code Execution) attack is possible. An attacker can perform a malicious Java Naming and Directory Interface (JNDI) object lookup to chain other exploits if your code ...

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Get to Know Jakarta MVC


To help you get to know the Jakarta MVC specification, here’s a recap of its history and status, and a brief introduction to the technology. Jakarta MVC History and Status The story of Jakarta MVC started back in 2014 when Java Specification Request (JSR) 371 was proposed in the Java Community Process. The work progressed very well, and the specification became popular ...

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JavaScript Masterclass Bundle

Master the Web’s Most Popular Programming Language with This 89-Hour Bundle Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 98% off on JavaScript Masterclass Bundle. Get it now with only $39 instead of the original price of $1600. Beginner’s Guide to Learning JSON with JavaScript JSON (JavaScript Object ...

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API Documentation in Node.js Using Swagger

Hello. In this tutorial, we will understand how to write API documentation in Node.js using Swagger. 1. Introduction A swagger is a popular tool used for generating interactive API documentation. In this tutorial, we will see how to write swagger api documentation in the nodejs application. 1.1 Setting up Node.js To set up Node.js on windows you will need to ...

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LocalStack SQS Node.js Example

Hello. In this tutorial, we will interact with Amazon AWS SQS (simple queue service) to create a Node.js app with the help of a popular emulator known as LocalStack. 1. Introduction Localstack is an aws cloud service emulator that runs in a single container and allows us to run the aws applications on our local machines without connecting to a ...

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The Complete 2021 CyberSecurity Super Bundle

24 Expert-Led Courses on Network, Database, Cloud & Project Management Security to Help Build Your Reputation as a Certified Cyber Security Professional Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 99% off on The Complete 2021 CyberSecurity Super Bundle. Get it now with only $69,99 instead of the ...

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How To Test Websites And Apps For Black Friday And Cyber Monday

Black Friday and Cyber Monday are the most important days of the holiday shopping season. To prevent any unexpected surprises during the biggest shopping season of the year, retailers need to understand how their website and mobile applications will respond to a major and sudden surge of traffic. Any delays in loading pages and unexpected timeouts will result in frustrated ...

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