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Lua method for determining whether a table is empty

This article mainly introduces LUA to determine whether the table is empty (empty table is {}), how to determine whether the table in Lua is empty table, this article tested a number of methods, and f

A tutorial on using MySQL in a LUA program

This article mainly introduces the use of MySQL in the LUA program tutorial, is the basic knowledge of LUA learning, need friends can refer to the Import MySQL We can import the SQLite library with

The personal experience of multi-language development

In the front of the article, first of all, define, the "language" (A) here refers to "language and the use of the language can be very easy to call the basic class library and free or low-cost access to Third-party libraries and open source Class lib

tutorial on using nested loops in LUA programming

This article mainly introduces the use of nested loops in LUA programming, is the basic knowledge in Lua's introductory learning, and needs friends to refer to the following The LUA programming langu

How to use "mysql-proxy" to achieve read-write separation

Mysql-proxy is a program between MySQL database client and server, which supports the embedded scripting language Lua. This agent can be used to analyze, monitor, and transform (transform) communication data, which supports a very wide range of usage

Lua gets the UTF8 string length and string interception and uses ... Replace

lua

This article mainly introduces Lua to get UTF8 string length and string interception and use ... Instead, this article directly gives the implementation code of two functions, the need for friends can

The method of generating crypt encryption password under Linux

We can use the MKPASSWD command: This command is used to generate the password in the crypt format: mkpasswd When you enter a command, the program asks for a password and then generates a crypt form

Ways to write authentication modules for Nginx servers using LUA

This article mainly introduces the method of using LUA to write the authentication module of the Nginx server, such as the popular social application access and other functions, the need of friends ca

An analysis of exception handling in LUA programming

This article mainly introduces the exception handling in LUA programming, which is the basic knowledge in Lua's introductory study, and the friend who wants to refer to Error handling is required Er

Research on the architecture of MySQL Cloud database service

As a low-cost, high-performance, reliable and open source database products, MySQL is widely used in Internet enterprises. For example, Taobao has thousands of MySQL servers. Although the development of NoSQL in recent two years, new products are eme

Lua's way of determining whether a directory or file exists

lua

This article mainly introduces LUA to determine the existence of a directory or file, Lua can use Io.open to determine whether a file or directory exists, this article summarizes the method of judgmen

The logical operators in LUA use the detailed

This article focuses on the use of logical operators in Lua, and is the basic knowledge of LUA's introductory learning, and the friends you need can refer to The following table lists the logical ope

Tutorial on using the IF statement nesting in Lua

lua

This article mainly introduces the use of IF statements nested in Lua tutorial, is the basic knowledge in LUA learning, the need for friends can refer to the Programming inline If-else Statements in

Using two-dimensional array instances in LUA

This article mainly introduces the use of a two-dimensional array in Lua, this article directly gives a code example, to see the code easier to understand, the need for friends can refer to the As wi

Implement the LUA Automatic Update script tutorial

First, you need to automatically determine whether an update is needed and automatically download it from FTP if a new version is available. Obviously, we need a file to record the version number of t

An analysis of iterators in Lua

This article mainly introduces the iterator in Lua, is the basic knowledge in the LUA initiation study, the need friend can refer to the following An iterator is a structure that enables you to trave

Traversal of file operation code instances in LUA

lua

This article mainly introduces LUA traversal file operation code example, this article directly to show the example code, the need for friends can refer to the following Write a paragraph about trave

Basic network programming examples in LUA

This article mainly introduces the basic network programming examples in Lua, including simple server building and related Web Component introduction, and so on, need friends can refer to the followin

tutorial on using Repeat...until loop statements in Lua

lua

This article mainly introduces the Repeat...until Loop statement Usage Tutorial in Lua, is a basic tutorial in Lua's introductory learning, and needs friends to refer to the following Unlike for and

Interface related knowledge in go language

The birth of a piece of work is usually done by a designer independently. Because of this, a building or a painting or a dance of music can truly reflect its individuality. And it is this unique aspect that differs from the others, and it is the nove

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