Ios q & A series-(5) differences between nsstring and nscharacterset

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IOS memory debugging is best performed on a real machine, and the simulator is not accurate.

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IOS custom View -- swtichbutton Switch

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IOS development based on Baidu map (4) -- path search

This article describes how to use the interface by using the left and end coordinates of the start point. 1. Search for paths Bmksearch * search = [[bmksearch alloc] init]; // create a search object. Do not release the search object. delegate

IOS background playback

Run the modification configuration file on the iPhone background to add required background Modes ThenProgramTo call the followingCode -(Void) activebackgroundplayer {/**/[[avaudiosession sharedinstance] setdelegate: Self]; [[avaudiosession

Introduction to iOS nszone, Chinese Version

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Nsfilemanager, a common IOS file operation, is being updated

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When purchasing ios iap, you are always prompted to continue the solution.

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Ios q & A series-Thoughts on iOS Standalone

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Ios q & A series-(4) mixed use of arc and non-arc projects in OS Development

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IOS file management nsfilemanager nsfilehandle

Http://liuxing8807.blog.163.com/blog/static/9703530520133413353291/ Http://www.cnblogs.com/jay-dong/archive/2013/01/21/2870414.html Shocould noted:

IOS rotating screen Summary

First, manually change the attributes of view. Transform. Specific Method: View. transform is generally a view rotation, stretching, moving, and other attributes, similar to view. layer. transform, the difference lies in view. transform is

IOS animation Summary-uiview Animation

1. Overview Uikit directly integrates the animation into the uiview class to create a simple animation. The uiview class defines several attribute declarations that support animations internally. When these attributes change, the view provides built-

Operations on the row in IOS uitableview

The table operations described in this article include marking rows, moving rows, deleting rows, and inserting rows. The project will not be built from scratch this time. The project will be downloaded at http://www.oschina.net/code/snippet_164134_98

IOS basic encoding format conversion

rfc

Encoding and conversion in IOS 1. Conversion of UTF-8 Nsstring * Data = @ "Hello, Beijing! "; // Convert to UTF-8 Nsstring * datautf8 = [DataStringbyaddingpercentescapesusingencoding: nsutf8stringencoding]; Nslog (@ "% @", datautf8 ); // UTF-8 to

IOS video playback mediaplayer and avplayer

In iOS development, if you need to play a video, such as on the machine ..., We often use mediaplayer to play videos, so it is easy to use. However, the customer requirements are becoming more and more complex, especially in the field or interactive

IOS obtains the available memory of the current device and the memory occupied by the current application.

Http://aasheaa.blog.163.com/blog/static/99333120126311332613/ // Obtain the available memory and occupied memory of the current device # import # import // obtain the available memory of the current device (unit: MB)-(double) availablememory

IOS development based on Baidu map (3) -- address search

Poi search in the previous article can search for poi in a specific range around the specified location. If you want to search for "Beijing" in Shanghai People's Square, poi returns a list of Beijing Roast Duck shops nearby. For this reason,

IOS multi-core processing code

// Multi-core accelerated processing function // during the blocking period, a thread with the same number of processor cores is created to execute the callback function // For example, a dual-core will execute the following method // pfun (0, 2) //

IOS code for distinguishing single-and double-finger-presses

How can we distinguish between single-finger and double-finger tap? Directly run the Code. If uikit is used, modify the function name. The following code is cocos2d. // Gametouches = [[nsmutableset alloc] init];-(void) cctouchesbegan :( nsset *)

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