how to create function

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MFC common controls (controls are subwindows)

You can use the createjavaswex function to create a subwindow. The lpclassname is the class that defines the window. If it is not a subwindow, you can use registerclass to register the class. Otherwise, use (class ): Class Controls used

MD5 encryption function written in T-SQL (to 1)

MD5 Encryption Go If exists (select * From DBO. sysobjects where id = object_id (n' [DBO]. [md5_m_onbits] ') and xtype in (n'fn', n'if', n'tf '))Drop function [DBO]. [md5_m_onbits]Go**************************************** ***************************

PostgreSQL learning Manual (16) SQL language functions

I. Basic concepts: SQL functions can contain any number of queries, but the function returns only the results of the last query (which must be select. In simple cases, the first row of the last query result is returned. If no row is returned for

Security issues with UDF introduced in MySQL

a test library, because the previous deployment did not notice that it has a public address, so the password is also set relatively simple, directly Root Password set to 123456, did not expect to soon was scanned and logged in, and a user was built

Redis Learning Note Four synchronization practices for Mysql and Redis

First, test environment in Ubuntu Kylin14.0464bit has installed MySQL, Redis, PHP, lib_mysqludf_json.so, Gearman. Click here to view the test database and table reference this article also has some basic operations, which are described in the

MySQL Learning (vii)-custom functions and Process Control

DELIMITER//(set Terminator I don't really understand why I have to remember that.)CREATE FUNCTIONym_date (mydate date) (Create function function name (parameter))RETURNS VARCHAR( -) (Specifies the return type of the function)BEGIN(function starts,

MySQL Synchronization practice with Redis

First, test environment in Ubuntu Kylin 14.04 64bitMySQL, Redis, PHP, lib_mysqludf_json.so, Gearman have been installed.Click here to view the test database and table referenceThis article also has some basic operations, which are described in the

Create a function in MySQL

MySQL create function one, to see whether the function of creating a function is turned on:Mysql> Show variables like '%func% ';+-----------------------------------------+-------+| variable_name | Value |+-----------------------------------------+---

Mysql Synchronization Practice with Redis

First, test environment in Ubuntu Kylin 14.04 64bitMySQL, Redis, PHP, lib_mysqludf_json.so, Gearman have been installed.Click here to view the test database and table referenceThis article also has some basic operations, which are described in the

Cocos2d-x Lua instance: special effect demo

Cocos2d-x Lua instance: special effect demoNext, we will introduce the use of several special effects through an example. This is an operation menu scenario. You can select a menu to enter the action scenario, in the action scenario, click the Go

Cocos2d-x game development (8) Various Constructors

Welcome reprinted: http://blog.csdn.net/fylz1125/article/details/8521997 The constructor that writes the cocos2d-x. After the cocos2d-x introduces the automatic release mechanism, the created object does not need to be deleted as we do in C ++

Use MySQL to improve Permissions

I had a webshell tutorial on the Internet with a weak MySQL password. But what I want to talk about this time is not to get webshell, but to directly get system permissions. I can see it clearly. It is to get it directly! First, let me briefly talk

MySQL-10-mysql programming, linuxmysql Programming

MySQL-10-mysql programming, linuxmysql Programming MySQL Programming 1. Statement Terminator There are two default values:; and \ g (which can only be used in the command line) You can use the delimiter command to modify the statement Terminator,

SQL date and date weekend month and month functions

The code is as follows:Copy code Select Dateadd (wk, datediff (wk, 0, getdate (), 0) -- MondaySelect Dateadd (wk, datediff (wk, 0, getdate (), 6) -- SundaySelect Dateadd (mm, datediff (mm, 0, getdate (), 0) -- Early monthSelect Dateadd (MS,-3,

VS2010-MFC (Common controls: Scroll bar control scroll bar)

Transferred from: http://www.jizhuomi.com/software/191.htmlIntroduction to scroll bar controlsThe scroll bar is familiar to everyone, and there are many scroll bars in the Windows window. After the list box and combo box are set with the

MySQL Three application scenarios

Scene One, data table automatic backup (Multiple tables field synchronization, etc.), using triggers. If Updatelog records all operations logs for a resource, Reslastlog logs information about the last operation of the resource. The synchronization

MySQL Learning notes (i)

#if exists If a result set exists, the IF is the where condition if true executesDROP TABLE IF EXISTS itcast_class;#创建表格CREATE TABLE Itcast_class (class_id INT PRIMARY KEY auto_increment,Class_name VARCHAR (Ten) not NULL DEFAULT ' ') CHARACTER SET

Some common SQL statements of DB2)

From: http://hi.baidu.com/emilypear/blog/item/6bd1b399bedacf0b6f068cb0.html -- Create a custom single value type Create distinct type var_newtype As decimal (5, 2) with comparisons; -- var_newtype type name -- Decimal (5, 2) actual type --

PostgreSQL cursor example

1. The following Code creates a top100cur () function, which returns an anonymous cursor. -- Drop function top100cur (); Create Function top100cur () returns refcursor as $ declare ABC refcursor; beginopen ABC for select * From person limit 100;

[Wood cocos2d-x] HelloWorld bottom how to play?

Cocos2D-x HelloWorld bottom how to play? After reading the tutorial, you still need to write HelloWorld on your own to remember it. So before writing HelloWorld, you still need to check others' HelloWorld ~ (The following CS-X is short for Cocos2D-X)

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