class self

iOS Development UI Chapter-Dictionary to modelA "problem code" to complete the function1. Data loaded from the plist2. Implementing the Code 8 9 #import "LFViewController.h" @interface Lfviewcontroller () @property (nonatomic, strong) Nsarray

iOS Development UI Chapter-ios some tips for using Xcode in developmentFirst, the use of shortcut keysThe following shortcut keys are commonly used:NewShift + CMD + N New ProjectCMD + N New fileViewOption + cmd + ENTER to open assistant editorCMD +

Transferred from: http://www.cnblogs.com/lyanet/archive/2013/01/11/2856468.htmlThe singleton pattern means that there is only one instance. The singleton pattern ensures that a class has only one instance, and instantiates itself and provides this

iOS Development tips (video and music playback)1. iOS video playback code (add mediaplayer.framework and #import)-(void) Playmovie: (NSString *) filename{//Video File pathNSString *path = [[NSBundle mainbundle] pathforresource:filename ofType:@"mp4"]

    //  Registration classmap    public static function  Addclassmap ($class,  $map  =  ")     {//  if  addClassMap   class file mapping, support   arrays, or  key value  two ways         if  (is_ Array ($class))  {            self:: $map  =

#!/usr/bin/env Python# Coding=utf-8__metaclass__ = TypeClass Person:def __init__ (self, name):Self.name = NamePrint Self #新增Print type (self) #新增other parts omitted. When initializing, you first run the constructor and print the new two. The result

objective-c Hook Scheme (i): Method swizzlingIn the absence of a class implementation of the source code, want to change the implementation of one of the methods, in addition to inheriting it rewrite, and the use of category name method of violence

Discussing a strange concept of objective-C: meta-class Every class in objective-C has its own meta-class, but it is mysterious because you seldom use meta-class directly. Create a class at runtime The following code creates a new nserror subclass

The socketserver module in the python standard library can easily develop simple server programs.     import SocketServer class MyHandler(SocketServer.StreamRequestHandler): def handle(): addr = self.request.getpeername() print 'connection from:",

The difference between the cview inheritance class and other window classes is that it is very important to operate the cdocument class and cframewnd class. Among them, operations involving the cdocument class, the validity is determined

# XXX to do:#-Popup menu#-Support partial or total redisplay#-Key bindings (instead of quick-n-dirty bindings on canvas ):#-Up/down arrow keys to move focus around#-Ditto for page up/down, home/end#-Left/right arrows to expand/Collapse & move out/in#

File signatures are generally in the file header. If you view the file in hexadecimal mode, you can see some signature information of the file. For example, if you use uestudio to view ZIP files in hexadecimal format, the file content header

The recommended init Method for objective-C is written as follows: -(ID) Init {If (Self = [Super init]) {// Add attributes to the subclass for initialization} return self ;} The return value is of the ID type. The ID type can be assigned to other

1. object-oriented and Encapsulation Three main features of object-oriented: encapsulation (member variables), inheritance and Polymorphism In the OC language, @ interface and @ implementation are used to process classes.   @ Interface is like a

#-*-Coding: UTF-8 -*- # Python: 2.x _ Author _ = 'admin' From pyqt4.qtgui import * From pyqt4.qtcore import * From pyqt4.qt import *   Class wiggglywidget (qwidget ): Def _ init _ (self, parnet = none ): Super (wiggglywidget, self). _ init _ (parnet)

We will introduce the basic functions of javascriptmvc by creating an application named todo. 　　 　　Obtain javascriptmvc You can get javascriptmvc by downloading or using git,

-- Xingyue contributes with each other ~~~ -- This chapter briefly introduces: single inheritance-I have never used multiple inheritance, mainly because it is difficult to use multiple inheritance in Lua ~~~ Personal experience ~~~ Great sweat ~! --

Source code from http://www.brunningonline.net/simon/blog/archives/SysTrayIcon.py.html In fact, this source code can be used directly, but it does not take into account the combination of the tray and other programs, but a separate tray. Most of the

First, class definition: The code is as follows: Class : After a class is instantiated, its properties can be used, and in fact, after a class is created, its properties can be accessed through the class name. If you

On the basis of the maturity of the project, there is a need to introduce a new font in the application and replace the default font for all labels, but at the same time, there is no need to replace the label for some specially-set fonts. At first