linq extension methods

Extension of custom methods in jQueryThe JQuery package provides a large number of methods that can be directly used on the page. However, no Any library can meet all requirements. Therefore, the JQuery Library provides a wide range of extension functions. . Take disabling a group of form elements as an example to see

Binary Search of extension methods Version: 0.1 Last modified: Written by Li Xianmin Recent project planning case adjustments, requirementsProgramYou can quickly locate the action that the current game role is using based on music time, location, and other conditions. Because the query is very frequent, you have to use binary search. The C # class library contains binary searches, which are

Extension methodsAdd a method dynamically to an existing type without creating a new derived type, recompiling or modifying the source of the original type An extension method is a special static method that is called in the same way as a normal instance method? extension Method Use Example public static void PrintString(this String val) 　　{

Copy the Code code as follows: Method One:function Extend_1 ($file _name){$retval = "";$pt =strrpos ($file _name, ".");if ($pt) $retval =substr ($file _name, $pt +1, strlen ($file _name)-$pt);return ($retval);}Method Twofunction Extend_2 ($file _name){$extend = PathInfo ($file _name);$extend = Strtolower ($extend ["extension"]);return $extend;}Method Threefunction Extend_3 ($file _name){$extend =explode (".", $file _name);$va =count ($extend)-1;r

This article mainly introduces four methods for PHP to obtain the file extension, which involve PHP's operations on strings, arrays, uploaded file attributes, and other related skills. it has some reference value, for more information about how to obtain the file extension in PHP, see the following example. We will share this with you for your reference. The deta

This article mainly introduces four methods for PHP to obtain the file extension, which involve PHP's operations on strings, arrays, uploaded file attributes, and other related skills. it has some reference value, for more information about how to obtain the file extension in PHP, see the following example. We will share this with you for your reference. The deta

Php methods for getting File extension names Php methods for getting File extension names Method 1: /*** Use strrpos () and substr () functions to implement */function extend_l ($ file_name) {$ retval = ''; $ pt = strrpos ($ file_name ,'. '); if ($ pt) {$ retval = substr ($ file_name, $ pt + 1);} return $ retval ;}Met

What is middlewareMiddleware is a component that processes request requests and responses responses in a pipeline, and each component can choose whether to have the request go into the next component to be processed.The translation is not good, we can see the original middlewareIn more detail, you can also refer to the works of the Great God in the garden;There's Uncle Tom's interpretation. asp 5 MVC6 Series (6): Middleware detailedArtech the Great god's ASP. [1]: What is a middleware?How to cr

For the specified type Extension Method: Definition class Class1: Public static class Class1 // must be a static class and cannot contain Constructors{/// /// Return the length of the array separated by "$" in the specified string/// /// /// Public static int ArrayListLenght (this string value){Int len = 0;If (value. IndexOf ("$")> = 0){Len = value. Split ($). Length;} Return len;}} Page call: Protected void Page_Load (object sender, EventArgs e){

JSON serialization and deserialization are rewritten using extension methods later than. NET 3.5, which improves code readability and maintainability. First, do not use the extension method. Definition: /// /// JSON deserialization Tool /// Public class JSONControl { /// /// JSON serialization /// /// /// /// Public static String JsonS

usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingSystem.IO;usingSystem.Reflection;usingSystem.Text.RegularExpressions;usingSystem.Linq;namespacecodetest{classProgram {Static voidMain (string[] args) { stringstr ="12312312 123123 123123"; Console.WriteLine (str. WordCount ()); MyClass Mylclass=NewMyClass () {str ="123123123" }; Console.WriteLine (Mylclass.wordcount ()); Console.ReadLine (); } } /// ///The

Php three methods to get the file extension // Get the file extension // By bbs.it-home.org // Method 1 Function get_ext_file_1 ($ file_name) { $ Retval = ""; $ Pt = strrpos ($ file_name ,"."); If ($ pt) $ retval = substr ($ file_name, $ pt + 1, strlen ($ file_name)-$ pt ); Return ($

This article mainly introduces two methods for installing the mbstring extension in php in a linux system. For details, refer to use it. 1. Execute The Code is as follows: Yum install php-mbstring 2. Modify php. ini (this step is very important, and some lxadmin versions cannot be modified automatically) The Code is as follows: Echo 'extension = mbstri

() {Return This.replace (/[^\x00-\xff]/g, ' xx '). length;//converts all non-\x00-\xff characters to xx two characters, and then computes the string}/*** string-Gets the number of bytes encoded in Unicode as 2 bytes per character*/String.prototype.lenunicode=function () {return this.length*2;}PS: If you extend the method to JS to provide type objects or custom objects, you should use the prototype prototype this object property to extend it in the following way:String.prototype.trim=function ()

Two Methods of writing and calling the Widget extension in ThinkPHP, thinkphpwidget This article describes two methods of writing and calling widgets extension in ThinkPHP. We will share this with you for your reference. The details are as follows: Widget extensions are generally used for page component extensions. Dif

Bobutils Tools DaquanI github open source and collection features address: Https://github.com/niexiaobo"Useful for developers who are new to iOS or within a year of working"Common methods such as collection, add extension classes, Tool class methods, request method encapsulation (including image upload, etc.) have a lot of convenient and quick function ^_^Usage:

); } Else { returnDbcontext.set1) *pageSize). Take (pageSize); } }Cons: TKey must be qualified, but do not necessarily know the field type, the wrong type will cause the conversion to fail, the tangent return value cannot be fixed to object, if there are other methods, I hope Daniel gives advice.2. Extend the method of an out-of-the-way EF ( This method does not need to specify a type ) ///

definition is viewdatadictionary, line 82nd,if (_modelmetadata = = NULL _model! = null)_model is undoubtedly the model to be uploaded into the view.When _modelmetadata = null and _model is not NULL, the metadata of the model is taken, which explains why the validation attribute is output when the mode is passed to the view.When the Model is not passed to the view, it returns NULL.Enter ViewDataDictionaryOfModel.csDefined as viewdatadictionaryIn line 35th, take the modelmetadata of the parent c

jquery customizes the Jquery.extend () and JQuery.fn.extend () methods. where the Jquery.extend () method can create global functions or selectors, and jQuery.fn.extend () method to create a JQuery object method. For example: Copy Code code as follows: Jquery.extend ({ Showname:function (name) { Alert (name) } }); Jquery.showname ("Deep Blue"); Jquery.extend () can also be used to extend the jquery object in addition

/// ///Enumeration Extension Methods/// Public Static classenumextension {Private Staticdictionarystring, dictionarystring,string>>_enumcache; /// ///Cache/// Private Staticdictionarystring, dictionarystring,string>>Enumcache {Get{return_enumcache?? (_enumcache =Newdictionarystring, dictionarystring,string>>()); } Set{_enumcache =value;} } /// ///Get Enumer