PHP

After reading simple tutorials and stupid ways to learn python, you can't start to write crawlers. You need to continue reading books and exercises. After reading simple tutorials and stupid ways to learn python, you can't start to write crawlers,

This article describes how to use python to call Windows API to lock a computer. For more information, see call Windows API to lock a computer. I originally wanted to use Python32 for direct calling, but I didn't find that Python32 has Windows

Analyze the html of all mp3 (regular expression matching) file URLs on the Douban music website page, and then use urllib. urlretrieve to directly download the file to the local device. the code for downloading the file using multithreading

This article mainly introduces how to use javascript to obtain the youtube key from a connection, and involves related techniques for javascript string operations, for more information about how to obtain the youtube key from a connection, see the

This article mainly introduces how to simulate and implement keyboard typing using JavaScript. This article provides the example code directly. For more information, see $ (Function () {var input_type = {init: function ($ obj) {this. name = export

This article mainly introduces how to merge two arrays in JavaScript and remove repeated items. it involves techniques related to merging and deduplication of arrays in javascript operations, for more information about how to use JavaScript to merge

User proxy string: navigator. userAgent. This article will share with you four identification functions that can be implemented by the user proxy string userAgent. For more information, see Definition User proxy string: navigator. userAgent The

The javascriptatan () method returns the arc tangent of a number. If the calculated value is not a number, the function returns NaN. This article describes the basic syntax and usage of atan through examples. For more information about the coders,

This article mainly introduces how to use javascript to obtain the youtube key from a connection, and involves related techniques for javascript string operations, you can refer to the following example to describe how JS gets the youtube key from

This article mainly introduces the menu jitter effect of jQuery for webpage jitter, and the jitter effect of menu items visible when the mouse slides over the menu items, involving jquery mouse events and dynamic operations of page element styles,

This article mainly introduces several functions abandoned by jQuery and their substitution functions. we must pay attention to them during project development and share them with you for your reference. Earlier in order to better browser

This article mainly introduces the effect of creating an excellent accordion folding menu for jQuery. we recommend it to you here. if you have any need, you can refer to the accordion folding menu created by jQuery, very good results! Here is the

This article mainly introduces jQuery's method of implementing 3D text effects, and uses the mouse and css style to implement text effects, for more information, see the following example to describe how jQuery achieves special 3D text effects.

This article mainly introduces the use of animate in jQuery. The example analyzes the use of animate and has some reference value. if you need it, you can refer to the following example to describe how to use animate in jQuery. Share it with you for

This article mainly introduces how to use Array in js. prototype. the sort () method for sorting Array objects. The example analyzes Array. prototype. the sort () principle and related usage skills. For more information, see the examples in this

SQL statement set of The alter TABLE in mysql, including adding, modifying, and deleting fields, renaming tables, and adding and deleting primary keys. This article introduces the SQL statement set of the alter table of the MySql database. if you

This article mainly describes how to quickly deploy MySQL and how to deploy multiple instances on one machine. if you are interested, you can refer to MySQL in three versions: binary, source code package, RPM. The following describes how to install

This article describes how to install and configure Zabbix to monitor MySQL. Zabbix has the function of displaying data on the web page. the installation environment in this article is CentOS. For more information, see Simple installation and

This article mainly introduces the distinct statement in MySQL to query duplicate records and related performance discussions. the point in this article is to avoid using distinct in top-level queries under certain circumstances, for more

This article mainly introduces how to compare and copy more files in a folder than in another folder with the same name. it involves Python's file and folder operation skills and has some reference value, for more information, see the example in