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PHP: a fractal of bad design

Preface Iâ€™m cranky. I complain about a lot of things. Thereâ€™s a lot in the world of technology I donâ€™t like, and thatâ€™s really to be expectedâ€”programming is a hilariously young discipline, and none of us have the slightest clue what weâ€™re doing. Combine with Sturgeonâ€™s Law, and I have a lifetimeâ€™s worth of stuff to gripe about. This is not the same. PHP is not merely awkward to use, or ill-suited for what I want, or suboptimal, or...

PHP,Design,Analysis 2012-04-11 13:46:57

About .NET memory leak--GC,Delegate and weak reference

Memory leak is always a headache for many programmers, the situation is much better now in some languages which have GC mechanism, but still we may face some memory leak issues when we write programs. 1. What is memory leak? Memory leak is not that the memory chip is broken. In short, it's about that the memory requested is not released at the expected time as an expect way. So what is the expected time? This is very important for you to understand memory leak. If the time an object taking the m...

.NET,GC,Reference counting,Mark and sweep,Weak reference 2013-05-25 12:59:09

4 deployment modes of Redis

As a high-performance in-memory database, Redis is widely used in current mainstream distributed architecture systems. To improve system fault tolerance, using multiple instances of Redis is also inevitable, but the complexity is much higher than that of a single instance. This article mainly introduces the four deployment modes of Redis and their advantages and disadvantages. Standalone Standalone mode is to install a Redis, start it, and business connects to it and that's all. The specific ...

REDIS,STANDALONE,MASTER-SLAVE,SENTINEL,CLUSTER 2023-03-03 21:35:09

How to check a port is taken by which program on Linux

Lots of you may have encountered some error message stating that the port has been taken by another program while trying to start a program on Linux. And you would want to know which program takes the port you want to use. This post will provide some feasible ways to check out which program is taking a specific port. lsof -i:[port] lsof is the command to list open files on Linux. And if you know more about Linux you should get to know everything on Linux is a file even including networ...

LINUX,PORT,NETSTAT,LSOF 2018-08-12 04:27:57

Is Toutiao taking general content creators seirously?

Tiktok is now very popular among the Z-generation around the world. This is an app created by the Chinese company ByteDance. In China, the Chinese version of Tiktok called Douyin is not the only popular app created by ByteDance, there are a few other apps created by ByteDance are also popular such as Jinri Toutiao, a news app famous for its recommendation algorithm similar to Tiktok, also Huoshan Video, another video app similar to YouTube. This Toutiao app encourages general people to create co...

JINRI TOUTIAO,CONTENT CREATION,TOUTIAO,BYTEDANCE 2021-10-03 01:10:27

Find where the start up page is set in Firefox

Recently I encountered a weird behavior where a strange webpage showing up every time when I launched my Firefox. The first thought came into my mind is that my homepage of Firefox had been tampered. It might be changed because some software changed my browser settings to promote something. So the next immediate thing I went to check was to see my Firefox browser settings. To my surprise, the homepage setting was not touched. It would still open the Momentum screen which would display some beaut...

WINDOWS,FIREFOX,HOMEPAGE,STARTUP PAGE,HAO123 2021-10-02 02:28:53