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I want to know how the functions exported by tolua + + implement garbage collection and how to use meta methods__ On the gc Association. doubt gc of lua Looking at the code, the keyword used is ". collector", while lua's gc is through modifying the meta method__ gc implemented Garbage userdata with a field __gc in their metatab ...

I suggest you take a look at the source code of concurrent HashMap of Java 7. The source code of that version is a textbook of Java multithreaded programming. In the source code of Java 7, the author is very cautious about the use of pessimistic locks. Most of them are converted to spin lock and volatile to obtain the same semantics. Even if th ...

MySQL installation!    1. Download the installation package! [root@lzz ~]# wget https://downloads.mysql.com/archives/get/p/2 three/file/mysql-five.7.33-linux-glibc2.12-x8 six_6 four.tar.gz --2021-05-05 23:42:16-- https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.33-linux-glibc2.12-x86_64.tar.gz Resolving host downloads ...

catalogue First, simulate the browser's environmental preparation. 1. Introduction to selenium 2.Selenium installation 3. Install WebDriver (1) Installing chromedriver (2) Add chromedriver to environment variable 2, Example: use Selenium operation browser to obtain QQ music list data 1. Start the browser 2. Use webdriver to open qq mus ...

Fundamentals of shell programming (shell script learning notes) operator Operators in Shell mainly include comparison operator (for integer comparison), string operator (for string test), file operation operator (for file test), logical operator, arithmetic operator, bit operator, self increasing and self decreasing operator, etc. 1. A ...

Why do I need a loader webpack is a static module packaging tool for modern JavaScript applications. Internally, one or more bundle static resources are generated by building the dependency relationship between dependency graph management modules. However, webpack can only handle JavaScript and Json modules. In addition to JavaScript and Jso ...

start During the "golden three silver four" season, there are always many people looking for the same thing called "Mianjing". In fact, it is a specific question, and then sharpen their guns and "recite" the answer. If this is always the case, I believe your ability will not be improved, even if you work for three ...

Class loading concept and class loading timing Class loading concept When the class file is loaded into the jvm, a class object will be created accordingly; It is divided into three steps: loading, connecting and initializing load: Load the class file into the memory area and generate a class object accordingly connect: Verify: ve ...

Title Link https://www.luogu.com.cn/problem/P1018 This year is the "2000 - world year of mathematics" determined by the International Mathematical Union, and coincides with the 90th anniversary of the birth of Mr. Hua Luogeng, a famous mathematician in China. In Jintan, Jiangsu, Mr. Hua Luogeng's hometown, a new mathematical intellig ...

Share your recent experience of learning react source code Write in front: I have been learning the source code of React recently. The purpose of writing this article is two: Share your learning experience and hope that students with relevant learning needs will have an address to find and avoid detours.Convert the learned content into text ...