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Detailed explanation of the 'advanced' usage of PHP's switch judgment statement

This article mainly introduces the "advanced" usage of PHP's switch judgment statement. In fact, this article explains its basic usage. Friends who need it can refer to it.

Note 007 rsync command compares files but does not synchronize them

The rsync command is often used to synchronize files in Linux to ensure the consistency of files in two places. The system will automatically compare to ensure that the files on both sides are the same.

Note 006 An error message is reported when compiling and installing mysql on CentOS

When compiling and installing mysql under CentOS, the above error message was reported when executing configure. After searching for information online, I found that the ncurses installation package is missing.

Example code for using switch statement to make multiple selections

The editor below will bring you an example code that uses the switch statement to make multiple selections and one judgment. The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let’s follow the editor and take a look.

Note 005 RRM software management program

Note 004 Commonly used tar commands in Linux

tar has a lot of options and parameters! We will only cover a few commonly used options.

Note 003 Linux file types and file permissions

Note 003 Linux file types and file permissions

Note 002 The correct way to shut down Linux

Many of my friends were already playing computer games in the DOS era! At that time, when we shut down the DOS system, we often turned off the power switch directly. However, when you are unhappy, Windows can be shut down by pressing the power switch for four seconds! But in Linux, it is quite not recommended to do this!

Note 001 Basic concepts of Linux naming

Note 001 Basic concepts of Linux naming

Use C++ to write extension modules for node.js

This article introduces to you how to use C++ to write extension modules for node.js under Windows 7. A simple hello example is attached for reference by friends in need.

PHP compresses html web page code (removes spaces, newlines, tabs, comment marks)

If we want to improve the loading speed of web pages, how to optimize it is a question. Yahoo once made a 36-item optimization guide. In fact, there are many ways to optimize web pages. Let’s talk about how to reduce page size to improve front-end loading speed.

PHP function to remove HTML code, spaces, carriage returns and line feeds

When writing a collection program, it is often necessary to process the collected content, such as deleting HTML code, removing extra spaces, deleting carriage returns and line feeds, etc. Let's write a function to handle it.

Solution to the problem of gaps between img pictures inserted into li

When I simply put the image img in li, the bug that occurs is that there is a 3px gap between the images. Adding the height to li has no effect. The method to solve the gap between the images is as follows:

The difference between offsetLeft and style.left of div

This article mainly introduces relevant information on the difference between offsetLeft and style.left of div. Friends in need can refer to it.