January 8, 2025
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6 min read

In today’s digital age, security is paramount. As we increasingly rely on technology for communication, commerce, and data storage, understanding the fundamentals of security becomes essential. This article provides an overview of key security concepts, including encryption, digest algorithms, and digital signatures. By exploring these topics, we aim to equip you with the knowledge to protect your digital assets and ensure the integrity and confidentiality of your information. Whether you’re a tech enthusiast or a professional in the field, this guide will offer valuable insights into the mechanisms that safeguard our digital world.
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January 7, 2025
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2 min read

Last week, I have made a python cli tool. To make it more convenient to use, I want to publish it as a pip module, so I have made some research and mistakes, and finally succeeded.
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January 4, 2025
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10 min read

HTTP protocol is the foundation of the Internet, and HTTPS is the secure version of HTTP. HTTP is an application layer protocol based on TCP/IP protocol. It does not involve packet (packet) transmission, mainly specifying the communication format between the client and the server, and the default port is 80.
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January 4, 2025
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3 min read

Recently, I have been working on DNS of my domain name. And then I need to set up the mail service of my domain name. When I tried many times, I always failed to receive the mail on my phone. Suddenly, I remembered that I didn’t set up IMAP service. So let’s review the mail service and protocol.
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January 3, 2025
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0 min read

Most of time, we need to reply the commiter to adjust some code, sometimes it’s not efficient. Instead, we can directly add the commit to the PR.
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January 3, 2025
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2 min read
Sometimes we make too many small commits during development, and it’s better to squash them into one clean commit before pushing. Here’s how to use git rebase -i to merge multiple commits.
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January 2, 2025
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10 min read

We can learn the proxy process of clash through the configuration file.
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December 26, 2024
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11 min read

In my mind, DNS is the key of the internet. I always believe if you control the DNS, you control the Internet world. So let us get started to know the DNS.
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December 23, 2024
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15 min read

For the computer network, I believe that most people have learned it in the course of university or college. No matter whether you are familiar with it or not, this article will give you a different perspective of the network. It can really help you a lot.
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December 23, 2024
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10 min read
This article will review the basic knowledge of Python, including generator, iterator, and decorator.
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