Taogen's Blog

Often there is a lot of trivial code in open-source projects that we don’t need to read. To read a Java open-source project, the most important thing is to understand the core functionalities of the project.

In the post, I will cover common tools for reading source code.

In the post, I will cover the best practices in programming. It will be continuously updated.

Before exploring how to improve programming efficiency, we need to know the process of developing a software project.

1. Requirement analysis
2. System overall design and detailed design
3. Source code implementation
4. Testing and fixing bugs
5. Deployment
6. System iteration and improvement.

Exception handling is a common function in a web project. In this post, I will cover the basic principles of how to do exception handling in a web project.

Preventing duplicate submissions is a common function in a web project. In this post, I will cover the principle of the implementation of preventing duplicate submissions.

java.util.Date is in core java API since Java 1.0. And it is not recommended for use. If you are using Java 8 or a later version, it is better to use java.time.LocalDate and java.time.Instant, which were introduced in Java 8.

In this post, I will cover common operations related to datetime.

Components of Java

Java Development Kit (JDK)

Java Runtime Environment (JRE)

Java Virtual Machine (JVM)

Java SE API

In this post, I will cover the performance optimization for the entire process of web applications, including the frontend, backend, networking, and web server.

Add watermark

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const div = document.createElement("div");
div.innerHTML = `<div id="watermark" style="position: fixed; top: 0px; left: 0px; width: 100%; height: 100%; background-image: url(&quot;data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' version='1.1' width='440px' height='293.3333333333333px'><text transform='translate(5, 100) rotate(-20)' fill='rgba(128,128,128, 0.3)' font-size='20' >watermark</text></svg>&quot;); background-repeat: repeat; background-size: 300px 200px; pointer-events: none; z-index: 9999; opacity: 0.5;"></div>`;
document.body.appendChild(div);