django application example

First, to achieve a simple tableview display effect Implementation results show: code example (using the previous business process in the host controller) 1. Create a new project and let the controller inherit from Uitableviewcontroller. Copy Code code as follows: // YYViewController.h 01-Custom Operation // Created by Apple on 14-6-26. Copyright (c) 2014 itcase. All rights reserved. // #import @interface Yyvi

has been using El expression ${pagecontext.request.contextpath} to pass the application name, in the use of JS, very troublesome, although it can be used, but increased the complexity of the code, so here is recommended to get the application name JS function Getcontextpath () { var contextpath = document.location.pathname; var index =contextpath.substr (1). IndexOf ("/"); There may be a problem in

oracle| Data | Application Example Introduction to Oracle Database Dictionaries Oracle data dictionaries consist of tables and views that store some database objects about database structure information. The database dictionary describes how the actual data is organized. They can be queried like other database tables or views, but they cannot be modified. Oracle database dictionaries are often created when

The placeholder control can retain the position of the control dynamically added in programming mode, so as to store the dynamically added server control to the web page. Placeholdercontrol. aspx Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 @ Page Language = " C # " Autoeventwireup = " True " Codefile = " Placeholdercontrol. aspx. CS " Inherits = " Placeholdercontrol " %> 2 3 Doctype HTML public "

PHP Tutorial. application example 4PHP file system development example explanation PHP has many functions related to the file system. these functions can not only open files, but also display contents in directories, move files, and other functions, many people even use PHP to develop Internet-based file resource managers. The following script

Example Demo using rdiframework.net Framework's Workflow componentmake business process definition - Leave application process-webReference article:Rdiframework.net-based on. NET rapid Information System development Framework-Series catalogueRdiframework.net━. NET rapid Information System development framework-Introduction to Workflow componentsRdiframework.net━. NET rapid Information System development Fra

attributes of this segment, there are two ways to achieve this (the effect is the same ), one way is in. add the following statement to the def file: Setctions Shareddata read write shared Another method is to add the following statement to the project setting link option: /Section: shareddata, RWS V. Example of a mouse hook Program The global hook function is u

only uses one key (of course you can use a complex match expression to implement complex query conditions), but because the efficiency of match is relatively low, if you use it frequently, it is not recommended. here you should look at the following function: You can add an index.! [Real benefits] Add_table_index (tab, attrname)-> {aborted, r }|{ atomic, OK} Table indices can and shocould be used whenever the user wants to frequently use some other field than the key field to look up records. i

PHP Two-dimensional array application example-based on the condition of the data, if the array $point_arr (below), please take out user_id = 3 of the row array.PHP Two-dimensional array application example-based on the condition of the data, if the array $point_arr (below), please take out user_id = 3 of the row array.

Velocity Fifth Application Example---get an index of the current iteration #foreach ($key in $map. KeySet ()) $velocityCount > $key: $map. Get ($key) #end $ Velocitycount get the current iteration index Velocitycount variable name can be modified by Directive.foreach.counter.name property, such as: directive.foreach.counter.name= Index, which can be accessed later through $index. The index of the iteration

Velocity The third example of application--traversing a collection/array 2.Create a context Objectvelocitycontext context = Newvelocitycontext ();//3.add your data objects to this Contextcontext . put ("list", Arrays.aslist ("First", "second", "third", "fourth"))//4.choose a templatetemplate template =velocity.gettemplate (" LIST.VM ")//5.merge the template and your data toproduce the outputstringwriter

Example of a simple application of regular expressions in central view [java-based] This article describes the simple application of regular expressions in central view. We will share this with you for your reference. The details are as follows: Because the development work needs to filter the content in the text, delete or replace some useless or non-conforming

Often friends will be full of doubts about the application of the PHP socket, this article is an example of the code to explain, I hope to beginners PHP friends play a little help roleThe specific code is as follows:1. Server-side code:PHPclasssocketserver{Private $_port= ' 9000 '; Private $_address= ' 127.0.0.1 '; Private $_client_socket_list=Array(); Public function__set ($name,$val){ $this--->$name=$

Google Maps API map application example sharing, mapsapi Effect (tested in new Firefox version ): Code: Google Maps JavaScript API v3 (reference): https://developers.google.com/maps/documentation/javascript/basics Baidu map API reference documents: http://developer.baidu.com/map/jsmobile.htm The best example of some php applications on Google Maps API This is a

7.2.3 Example--application of throw and throwsExample: Comprehensive applicationClass:math PackageLimethrowable._7_2_3; Public classMath { Public intDivintIintJthrowsException {//method can not handle exceptionsSYSTEM.OUT.PRINTLN ("****** calculation begins ******"); inttemp = 0;//declaring an integer variable Try{Temp= i/j;//If an exception is generated, the catch is executed}Catch(Exception e) {//C

SPRINGMVC application------An introductory example based on annotationsCatalogue 1. Configure front in the Web. xml file2. Configuring the processor Mapper, processor adapter, and view resolver in the Springmvc.xml file3, Write Handler4. Write the View index.jsp5. Enter in the browser: Http://localhost:8080/SpringMVC-003/hello The first two blogs we have explained the XML-based getting started i

This example describes Python's re module application. is a very important application technique. Share to everyone for your reference. The specific methods are as follows: Import Re # match_object = Re.match (' foo ', ' foo ') if Match_object is not none:print type (match_object) print mat Ch_object.group () # match_object = Re.match (' foo ', ' FOOABV ')

Asp.net| Random | Application Examples Everyone may have used the Chinaren alumni, not long ago its guest book added a method to prevent irrigation, that is, each time the system produces a random number and letters of the picture, each message must correctly enter these randomly generated characters, otherwise can not add a message. This is a good way to prevent malicious attacks, the core of the technology is how to generate random numbers. Chinaren

): self.__instance = None super (Singleton2, Self). __init__ (*args, **kwargs) def __call__ (self, *args, **kwargs): if Self.__instance is None: self.__ Instance = Super (singleton2,self). __call__ (*args, **kwargs) return Self.__instanceclass Foo (object): __ metaclass__ = Singleton2 #在代码执行到这里的时候, __new__ methods and __init__ methods in the meta-class are actually executed, not when Foo is instantiated. and is executed only once. foo1 = foo () Foo2 =

Brief introduction and counter example of application Event-handling Method Description 　　Application_Start () Occurs when the application beginsThis is the first time he has received any user's request. 　　Application_End () Occurs when the application is shutting down, usually because the network server is rebooting.