case function

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

MySQL has 4 functions for conditional operation, which can implement the conditional logic of SQL, allowing the developer to transform some application business logic into the database background.MySQL Control flow function:Case When[test1] then

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

Summary of functions commonly used in MySQL: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)

Directory Structure Building1 test_framework2 |--config (config file)3 |--data (data file)4 |--drivers (drive)5 |--log (log)6 |--report (test report)7 |--test (program code)8 |--case (test case)9 |--common (abstract generic code)Ten |--page (Page

This article is mainly to the JS object to the JSON array of simple implementation of the case is introduced, the need for friends can come to the reference, I hope to help youThe code is as follows: function Obj2str (obj) {switch (typeof (obj))

Previously said, Nodejs is not a Web container, Apache is a Web container, if you want node to achieve Apache effect, that is, http://127.0.0.1:3000/a/b/c.html appear such a link to access the page, so need to program to achieve this effectThe file

I. Understanding requirements and what is the core business of the systemtwo. Writing test cases: use case names, preconditions, test data, test steps, desired resultsthree. Initial construction of the Automation code: all element positioning,

Problem: Using JS to implement a clone () Cloning function, the function will enter the different types of values Number,string,undefined,boolean,function,null,object,array,regexp, Clone a copy.First, the problem solving codeDirect Sticker

PHP Print_r function is very easy to use, online casino can be used to print groups, objects, such as the structure and data, unfortunately, JavaScript does not provide a similar function of native. But we can try to implement this function on our

The view model is more like a table virtual table, and the view contains a series of column and row data with names. However, the view does not exist in the database as a stored set of data values. Row and column data is derived from the table

A specific explanation to view the comments bar, there is no more nonsense, directly on the code: Copy Code code as follows: /* function obj$ (ID) Get object based on ID function val$ (ID) Gets the value of an object based on the ID

Copy Code code as follows: function Obj2str (obj) { Switch (typeof (obj)) { Case ' object ': var ret = []; if (obj instanceof Array) { for (var i = 0, len = obj.length i Ret.push (Obj2str (obj[i)); } Return ' [' + ret.join (', '] + '] ';

Through this article can learn the following content 1. Create a simple panel Ext.panel 2. Make a can drag the panel Ext.panel 3. Using the TAB panel 3. Use Ext.viewport to build a simple layout (use a small example to sum up all the content of this

If the AJAX request was initiated by jquery $.ajax , by default you can use jquery's global AJAX event handlers to monitor Ajax events, but I am encountering Ajax requests originating from native JavaScript, So this approach won't work. Then, there

JavaScript is based on the three main features of the object and the three main features of C++,java object-oriented, both encapsulation (encapsulation), Inheritance (inheritance), and polymorphism (polymorphism). But the basic concept is the same

First, get the inline style of the element Copy Code code as follows: var obj = document.getElementById ("test"); Alert (obj.height + "\ n" + obj.width); 200px 200px typeof=string just show the values in the Style property

After posting, I spent some time trying to solve the problem ... After several attempts, I found another pattern, and the brackets were no longer necessary: Copy Code code as follows: Eval (function () { var s = ', WW = [V] > (s + =

Beginners Angularjs Leisure time to do a small case. Function: Calculates the price of shopping cart merchandise, and deletes the shopping cart merchandise. Here's a complete case (jquery and Angularjs need to introduce themselves)

A simple case expression that uses an expression to determine the return value. Grammar: The code is as follows Copy Code Case Search_expressionWhen Expression1 THEN RESULT1When Expression2 THEN result2...When