posts
Securing Connections with SSH - A Comprehensive Guide
C# 的 IntPtr 类型
C# 中,IntPtr 是一个代表内存位置指针的类型。它被用来存储一个变量或一个对象在内存中的地址。IntPtr 是一个整数类型,但它的大小与平台有关。在 32 位系统中,IntPtr 的大小为 32 比特(4字节),在 64 位系统中,它的大小为 64 比特(8字节)。
浅析 C# 中的线程同步
线程间同步是指在多线程环境下,保证共享资源的安全和一致性的机制。 C# 中提供了多种方式实现线程间同步。例如:
- lock 语句:使用一个对象作为锁,保证一次只有一个线程可以进入临界区;
- Interlocked 类:提供了原子操作,如递增、递减、交换和读取值;
- Monitor 类:提供了锁定对象、等待信号和通知信号的方法;
- Mutex 类:提供了跨进程的互斥锁,可以用来同步不同进程中的线程;
- Semaphore 类:提供了一个计数器,限制同时访问共享资源的线程数;
- AutoResetEvent 和 ManualResetEvent 类:提供了信号量,可以用来通知或等待其他线程的状态变化;
Use Pypy to make Python run faster
“If you want your code to run faster, you should use Pypy.” - Guido van Rossum, the father of Python.
To understand why Pypy is faster, we should know what makes Python slower.
Fixing the issue: Communication error with Jack server (35) when building AOSP
I met an issue Communication error with Jack server (35)
when built the AOSP yesterday. I can build the AOSP successfully before this issue popped up. I spent hours figuring out why and solved the problem.
CI platform migration: from Travis CI to GitHub Actions
I’ve used Travis CI to build and deploy my projects for some years. The performance of Travis CI can meet my requirements. However, recently I found Travis CI stopped working for me. ☹️
Speeding up my blog loadtime
This is the story of how I speed up my blog website load time…
C# 线程
在.NET 应用程序中,都是以 Main ()
方法作为入口的,当调用此方法时系统就会自动创建一个主线程。
A quick way to fix the Gitalk Error: Validation Failed
I’ve met an error Validation Failed (422)
when using Gitalk in my blog. This article records how I fixed this error. If you are in trouble with this issue and you are looking for a solution, reading this article may help you.
Build TA images on different TEE
This article will give an introduction to how to build TA images on different TrustZone.
Some useful knowledge for Fingerprint Application on Trusty TEE
I have completed an Android platform fingerprint application on Trusty TEE recently for my work. This page will try to give some useful information, which is a summary of my work and might be helpful for somebody who wants to bring up a fingerprint application on Trusty TEE.
利用 Microsoft WDK 工具生成数字签名
看过我这一篇文章 「浅谈数字签名」 的读者应该记得,在这篇文章的末尾遗留了一个问题 — 在windows平台下如何利用Microsoft提供的工具来生成数字签名。我在这篇文章中会对这个问题做一个说明,并引用一个例子来介绍签名的过程。