case function

MySQL common functions: ABS (x )??????????????????? Returns the BIN (x) of the absolute value of x to the binary value of x (OCT returns octal, HEX returns hexadecimal) CEILING (x )??????????????? Returns the x power FLOOR (x) of the minimum integer

Subsilverlike. If this is the case, {code...} Will output defaultsubsilver... function foreach_dir($filename,$dir){ if(!is_dir($filename)) return; $r = opendir($filename); while($s = readdir($r)){ if($s != '.' && $s != '..'){

Today we are going to write a complete de-centric (blockchain) application (Dapps), this article can be combined with the writing of smart contracts to see.Write in frontBefore reading this article, you should know something about Ethereum and smart

Background CppUnit is an open source project based on LGPL, originally ported from JUnit, and is a very good open source testing framework. CppUnit and JUnit are the main ideas derived from Extreme programming (xprogramming). The main function is to

advantages and disadvantages of stored proceduresAdvantagesFaster execution. Stored procedures are compiled only when they are created, and the general SQL statements are compiled every time they are executed, so using stored procedures is

First, mathematical functionsABS (x) returns the absolute value of XBIN (x) returns the binary of X (Oct returns octal, HEX returns hex)CEILING (x) returns the smallest integer value greater than XEXP (x) return value E (base of natural logarithm) x

"1" cip_admin_domain (option field a)---> Inside configuration (Option field a) property, Defalut_value set initial value (such as: Create a new project, the project status after creation is "pending approval")Cip_admin_codes (option field a)Note:

Inchrepresent input, meaning that your parameters will be passed through the process. The basic can be understood as the parameter passed in the function, and if the argument is a variable, then the entire procedure process ends without affecting

--Simple Case functionCase SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' end--case search functioncase If sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then ' women 'Else ' other ' end In both of these ways, the same

1. Use of parameter in (on behalf of input, meaning that your parameters will be passed to the process of storage)To avoid a semicolon (";") in the stored procedure In the concluding sentence, we use the delimiter to tell the MySQL interpreter

First, mathematical functionsABS (x) returns the absolute value of XBIN (x) returns the binary of X (Oct returns octal, HEX returns hex)CEILING (x) returns the smallest integer value greater than XEXP (x) return value E (base of natural logarithm) x

First, mathematical functionsABS (x) returns the absolute value of XBIN (x) returns the binary of X (Oct returns octal, HEX returns hex)CEILING (x) returns the smallest integer value greater than XEXP (x) return value E (base of natural logarithm) x

One, the string functionASCII (char) returns the ASCII code value of a characterBit_length (str) returns the bit length of a stringCONCAT (S1,S2...,SN) to concatenate s1,s2...,sn into a stringConcat_ws (SEP,S1,S2...,SN) joins the S1,S2...,SN into a

The case has two formats: the simple and the search functionSimple Case functionExample: Case SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' EndCase Search functionExample: CaseWhen sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then

1. Empty functionDescription: Replaces NULL with the specified replacement value.Syntax:ISNULL (check_expression, Replacement_value)Parameters:Check_expression: An expression that will be checked for NULL. Check_expression can be of any

Three methods for declaring functions in JavaScript each function is an object (1) I. Declaring a Function) Method 1: function functionName ([parameters]) {functionBody }; Example D1 The Code is as follows: Function add (a, B){Return a +

Someone asked, "If nodejs is used to access sqlserver ?" I searched for information and found two solutions: the reason for using the third-party nodejs plug-in Someone asked, "If nodejs is used to access SQL server ?" After finding the information,

I think of my experience learning javascript a long time ago, and I have encountered several problems caused by anonymous functions (one of which is caused by closures). I will sort out several simple code sections to discuss, let us all make

This is the last article in the expression series from simple to deep, but recently the team has been busy and never been busy! However, if you like expressions, please rest assured that some basic principles of Javascript are common in your work,

CauseSomeone asked, "If nodejs is used to access SQL server ?"After finding the information, I found two solutions: Use the third-party nodejs plug-in: https://github.com/orenmazor/node-tds、to use the