About dealloc release

I encountered a problem this afternoon and studied it for a long time without any results. Later I finally learned the problem. (Write this article to mourn the miserable time spent this afternoon) Simply put, the problem is that the order of

Summary of typedef usage

Whether it is C or C ++CodeThe word typedef is widely used. Of course, the frequent occurrence is still in the C code. Typedef is similar to # define, but it is more different, especially in some complicated usage, I read some blogs of C/C ++

Visualsvn Server database migration

Requirement: if the server needs to be replaced, migrate from XP to win7, etc. I tried it myself. The only drawback is that I needed one.Add one repository. Steps:1. Copy the repositories folder on A to B. (During the copy, the entire folder D: \

Why does delegate use assign when declaring attributes?

Today, a colleague asked me why I used assign to declare attributes in objective-C delegate. I checked the information on the Internet and summarized it as a memory management problem in objective-C. I copied the foreigner's answer directly:   The

Vbs script for multi-thread download

  1. The vbs script itself does not support multithreading, that is, using setTimeout in HTA is the same.However, you can use wscript. Shell. Run to achieve this by curve:Wscript. Shell. Run can start severalProgram.You can use vbs to generate

Meeting arrangement during one time period

I modified it.'Class name: meeting schedule'Note: the attribute ispointrepeat determines whether the time point can be repeated, for example, [1-3] [3-4].'Method addmeeting (lngstart, lngend, anyvalue): lngstart start time, lngend end time, specific

◎ Vbs Script Programming Tutorial 12-use the system dialog box

In the vbs script design, if you can use the system dialog box provided by Windows, you can simplify the ease of use of the script and make the script more user-friendly, which is rarely used. However, vbs does not provide such a function, of course,

◎ Thanks to Qian Feng

To learn about vbs, of course, the official tutorials on the Microsoft website are relatively original. Unfortunately, there may not be many official vbs students in China. The reason is very simple. Microsoft's official original version is in

◎ Vbs programming to build your own virus killing tool

The vbs virus is still quite popular, and its strength cannot be underestimated! Using vbs to write a common virus (worm) is not difficult, and writing a virus killing tool is not difficult. But before writing the exclusive killing tool, you must

◎ Script for automatically stepping on Baidu blog (vbs Version)

A while ago, I played the simulation genie. There was a piece of code in it that could automatically step on the Baidu blog and add a return visit. The code was compact and meticulous, and the efficiency was extremely high. This afternoon, I

◎ Solve the problem of space in the run path

In vbs, if there are spaces in the run path, the path should be converted to a format recognized by vbs, such as path C:/program files/1. bat is generally written as C:/progra ~ 1/1. bat, this is nothing, but I am not very familiar with this

Uipopovercontroller usage experience

In either case, click from barbuttonitem, or a button or area in view appears. 1. If you click from barbuttonitem, for example, click on navigationbar, the Code is as follows: Self. popvc= [[UipopovercontrollerAlloc] initwithcontentviewcontroller:

Unity3d Learning Series tutorials

First, declare:Yu Song Momo's original article. The younger brother just thought it was very good. I will repost it for your reference.1. unity3d game engine construction game framework and export IOS Project (1)Http://www.devdiv.com/Unity3D_%E...

The old project is compatible with third-party static libraries of ios6 and iphone5.

Posted on 1, 2012 September 25 by Rainbird download This page in PDF Format If your project does not use a third-party static library or framework, the adaptation of the old project to ios6 and iphone5 is basically over, however, third-party

Questions about ios6 and ios5 rotating screens

As we all know, ios6 does not support shouldautorotatetointerfaceorientation and forcibly opens all the direction of the project, which will cause inconvenience to some projects, This problem occurs because my previous programs used

Afnetworking is easy to use to download images

After asihttprequest releases a message that is no longer maintained, afnetworking will be a good choice if we do not use CDN.Bottom site: https://github.com/AFNetworking/AFNetworking After the download, you can directly access the xcode project and

Nstimer and run loop Modes

1. nsunloop In cocoa, each thread (nsthread) object contains a run loop (nsunloop) object to process input events cyclically. The processed events include two types:Asynchronous events of sources. One is a synchronization event from timer

Nssetuncaughtexceptionhandler exception capture

Nssetuncaughtexceptionhandler, Using nssetuncaughtexceptionhandler, when the program unexpectedly exits, it can be processed first and then perform some custom actions. For example, the following code is written by someone on the Internet, send an

Usercontrol contains errors caused by the automatic initialization of the property of the collection object! There are also list problems

On csdn, I saw a question about usercontrol, reproduced it, and made some summary.   The custom usercontrol contains the attribute that encapsulates the list type field. After compilation, the Form Designer that references this usercontrol cannot

Nsvalue wrapped object pointer, cgrect struct, etc.

@ Interface nsvalue (nsvalueuigeometryextensions) + (nsvalue *) valuewithpointer :( const void *) pointer; // Save the Object Pointer + (nsvalue *) valuewithcgpoint :( cgpoint) point; // Save the cgpoint struct + (nsvalue *) valuewithcgsize :(

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