ccc pack

There is always a misunderstanding about struct Data Alignment and # pragma pack (n). Here we will make a summary to facilitate future memory.There are two main rules:1. structure, union, or class data member. The first one is placed at the offset

Because the company has the need of bulk packaging, but the channel number is not the same, online search, there are roughly two ways: a) from the source program all channels of the IPA package, the idea is to use a script loop to carry out the

Characteristics of closuresClosures have three properties:1.函数嵌套函数2.函数内部可以引用外部的参数和变量3.参数和变量不会被垃圾回收机制回收The definition of closure and its advantages and disadvantages闭包is a function that has access to a variable in another function scope, the most

sed (stream editor) Function Description: Use script to process text files.Syntax: sed [-hnv][-e][-f][text file]Additional Note: SED can process and edit text files according to script instructions.Parameters:-e or--expression= the input text file

This chapter is based primarily on the tutorial simplification of the Python manual (shipped with Python). Have time to view the official original document. You can also find manual when you encounter a module or function that is not clear. Built-in

We often found in the page in a few empty lines, but in the editor to see again, this we know is caused by the BOM (UTF-8), the following small series to share several about the BOM (UTF-8) detection and deletion method. is the HTML code that you

We often find some blank lines on the page for no reason, but in the editor we see that this we know is caused by BOM (UTF-8, below small make up to share with you several BOM (UTF-8) detection and deletion methods. Is the HTML code that can be seen

Detect and delete blank rows on the page BOM (UTF-8) method. We often find some blank lines on the page for no reason, but in the editor we see that this we know is caused by BOM (UTF-8, below small make up to share with you several close we often

In PHP, developers need to consider more things, from the socket connection, establishment, binding, monitoring and so on all need the developer to complete the operation, for beginners, difficulty is also very large, so the idea of this article is

Php cannot download flv files or mp4 files. if you want to transmit the flv playback address or mp4 playback address through POST, you can directly download the files. it is easy to download and directly receive POST data. the format of POST data is