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Problem description When you use delegation to add a click event to an element, if the event is delegated to the document or body

1、 Article 1 of the basic specification: The InnoDB storage engine must be used to interpret: support transactions, row level locks, better concurrency, CPU and memory cache pages

1. When the ternary operator wants to write if In the else statement, use the ternary operator instead. const x = 20; let ...

The firewall in Linux is mainly the setting and management of iptables. 1. Linux firewall (Iptables) restart system

The quick script script for obtaining lets encrypt certificate through DNS authentication is based on letsencrypt. s

Tools command on Linux: Under Linux, you can download all relevant files of the whole station with one command. wget -r ...

Previously, some netizens mentioned that LaTex (implemented by MathJax) on the blog was broken because of the use of instantclip

Today, I saw that a website under a VPS that installed the LNMP environment could not be opened, and the database could not be linked. Check through df - hl

root@xxx :~/hexo# hexo server [error] Error: listen E...

When updating the Android SDK, an error message pops up: Failed to rename directory D:

With the sl command, you will see a train moving from the right to the left of the screen...... Install $sudo apt get install

<? php session_start(); $allow_sep = "3600&qu...