IOS

In iOS, remove the space in the string and line breaks in two cases, the first one is to remove the end of the string of spaces and line breaks, the second is to remove the occurrence of space and line breaks in the string. The code is as follows;

Some time ago a friend asked how to set the Start page, I recently idle, write the process, only for reference and learning: 1. Click Assets.xcassets to enter picture management, then right click, pop-up "New IOS Launch image", as shown 2. Will be

Original address: Cfbundleshortversionstring and cfbundleversion in IOS IOS development often see cfbundleshortversionstring and cfbundleversion Two can be used to identify the application version number of variables, which should be used. Here's a

turn from: http://www.itstrike.cn/Question/3a52cc4a-db02-4121-b92e-14ff7cce1ade.html I've been looking for a clear answer to how to add an automatic layout to UITableView. So far, my code looks as follows: -(UIView *) TableView: (UITableView *)

Two methods: -(Cgsize) Sizewithattributes: (Nullable nsdictionary *) attrs ns_available (10_0, 7_0); -(CGRect) Boundingrectwithsize: (cgsize) Size options: (nsstringdrawingoptions) Options attributes: (Nullable Nsdictionary *) attributes Context:

I downloaded a demo on the Internet, IPhone4 and iphone4s to show that everything is OK. However, the use of iPhone5 and so on when the problem of display is not complete when I use IPhone5 and iphone5s real machine test, in the application of the

Transform we are generally called deformation properties, whose essence is to change the size, position, and angle of the control through matrix changes, here we look at the specific operation by an example, and in the following example we see the

/** Regular matching keyword highlighting Keyword is the key word that needs to be highlighted. Options:nsregularexpressioncaseinsensitive is case insensitive *／ nsmutableattributedstring* newstring = [[Nsmutableattributedstring alloc]

Use macros to define text entries, image entries, system entries, and custom view entries, which provide an automatic release uibarbuttonitem that can be placed into the uitoolbar. #define Cookbook_purple_color [Uicolor colorwithred:0.20392f green:0.

Reprinted from Http://www.cnblogs.com/bucengyongyou/archive/2012/12/20/2826590.html Mark Cabasicanimation own only three property Fromvalue Tovalue Byvalue When you create a cabasicanimation, you need to specify a start and end value

First, translucent /* New behavior on IOS 7. The Default is YES. You may force a opaque background by setting. If the navigation bar has a custom background image, the default is inferred from the alpha values of the Image-yes if It has any

A brief introduction of Bluetooth part of the basic knowledge, detailed things we can go to GitHub search Babybluetooth, there are some learning data iOS Connection peripheral procedures to establish central managers scan Peripherals

[CPP]View Plain copy @interface NSObject (nsdelayedperforming)-(void) Performselector: (SEL) Aselector withobject: (ID) anarg   Ument Afterdelay: (nstimeinterval) Delay inmodes: (Nsarray *) modes;   -(void) Performselector: (SEL) Aselector

Block FIRSTPAGEVIEWCONTROLLER.M of multiple arguments 1. Declare the block function _pickerviewcontroller = [[Tfpickerviewcontroller Alloc]init] when the first page initializes the page; [_pickerviewcontroller loadtfblock:^ (NSString *parameter1,

Original address: http://weizhe.me/ios-7-back-gesture-sample/ With the increasing popularity of smartphones, the larger the screen, the sliding back gesture has become the standard feature of an application, and it can even be said that not sliding

Original address: http://www.2cto.com/kf/201401/270097.html In the process of learning iOS development, always meet the keyboard appears, obscuring the output port Uitextfield, can not see the user's own output content. Then you need to move up

A friend recently asked me how the block in iOS was used, I told him about some of the practical applications I had learned. Because I think this is mostly more practical, Well nonsense not much to say that directly on the actual ------ In fact,

Method 1, through the Appdelegate-Application:supportedinterfaceorientationsforwindow: method to set This method is to do, explain this method is used to set the interface to support the direction of the screen, is not used to turn the screen, this

Reference article: http://www.2cto.com/kf/201301/186676.html NSString * Headerdata = model.content;Headerdata = [Headerdata stringbytrimmingcharactersinset:[nscharacterset Whitespaceandnewlinecharacterset]]; Get rid of the blank and newline

To determine whether a string has spaces -(BOOL) ishaveemptystring: (NSString *) string { Nsrange range = [str rangeofstring:@ "]; if (range.location!= nsnotfound) { return YES; } else { return NO; } } To determine whether a string is a full space -