Resolves the. a file conflict in the project and the project. a file conflict.
. File a is a static file with multiple. in ios project development, when a third-party library is referenced, problems such as library conflicts and the library contains
Deep copy and light copy in OC, oc copy
The definitions of deep copy and shallow copy have always been controversial.
One understanding is:
The so-called shallow copy is an incomplete copy.
NSString * s = @ "123 ";
NSString * s1 = s; // copy
Umeng add page statistics, umeng page
Umeng's statistics are still quite powerful. Although the project does not require relevant functions, related statistics are still added, and a line of code must be added to viewWillAppear and viewWillDisappear
Meitu xiuxiu beautifying the [intelligent optimization] Module Interface Design and xiuxiu Interface Design
The intelligent optimization interface of meitu xiuxiu is very simple and clear. It only contains an image to be processed and a bar, and
UILabel usage, uilabel line feed
// UILabel-> UIView
// UILabel is used to display text content
// Create a Label. Generally, the position and size are determined by initWithFrame.
UILabel * lb = [[UILabel alloc] initWithFrame: CGRectMake (50, 80,20
IOS project upload to AppStore step process, iosappstore
1. log on to mongo.apple.com.
2. Click member center and enter
3. Click certificates Identifiers.
4. Click Certificates. First, create the App IDs.
5. Then, create the corresponding
IOS prints Debug logs.
The following macros are briefly introduced:
1) _ VA_ARGS _ is a macro of a variable parameter. The macro of this variable parameter is added in the new C99 specification, currently, only gcc is supported (not supported by the
Objective-C note string operations, objective-c string
In this summary, there are some operations on strings in OC.
When a String object is created, an object whose content cannot be changed is created, which is called an immutable object. You can
IOS development diary 57-gradient effect SegmentControl, 57-segmentcontrol
Today, the blogger has a demand for custom SegmentControl and has encountered some difficulties. I would like to share with you the hope to make common progress.
Let's take a
Jump to UICollectionViewController and report cocould not load NIB in bundle solution. uicollectionview
The error code is as follows: 'Could not load NIB in bundle: 'nsundle (loaded) 'with name 'product''
The custom cell of
Create and add a UIAlertController.
I prefer the previous method of creating UIAlertView. Although the updated method of UIAlertController replaces the functions and functions of UIAlertView and UIActionSheet with a modular replacement method,
Create a chat interface and a chat interfaceLayout of imitation QQ chat
Most of the materials found currently have such results, and the design ideas are the same,
A tableview uses a custom cell. After the cell is successfully created, it uses the
IOS sharing and iOS email sharing
1. register an open platform account: https://open.weixin.qq.com
2. Create an application
Setting pictures can use a gadgets, details http://www.cnblogs.com/czq1989/p/5073586.html
Generally, it takes several
IOS image resources Images Assets, iosassets
1. Click and openImages. xcassetsTo see what is happening:]:
2. In the figure, we can see that there are two dashed boxes in the middle. We feel that we can drag the file in directly. OK, prepare the
(No. 00005) iOS pop-up games (4): Game data initialization (1)
In the previous article, we initially looked at the initialization methods of the MainScene class, where the Randomization map was done in the initGameDataFromGD method. Let's take
Common NSString operations,
NSString * testStr01 = @ "HelloWord"; NSString * testStr02 = [testStr01 substringToIndex: 5]; // obtain the header (from the beginning ), to does not include the subscript content NSString * testStr03 = [testStr01
NSString type-learning summary,1. Create a string (1) create a constant string
NSString * str = @ "This is a String"; // str is the variable name.(2) create an empty string and assign a value to the string
NSString * str = [NSString alloc]
IOS accumulation: An error occurred while canceling the button when the SearchBar loses focus !,
/*
The programmer's goal is
Conquer the sea of stars.
*/
------ Problem reproduction:
Many of the company's projects use friend management, so the use
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