Mobile Develop

The cursor object uses rows to store data, and when you use it to get data, you must know the data name of each column and his data type to get the object dataA common approach:. Close () Close the resource: Remember that all resource objects must

Original address: Http://www.xuebuyuan.com/2039420.htmlCFURLCreateStringByAddingPercentEscapesFor the purpose of the general use of web search, so the link (that is, nsurl) will always have some Chinese or special characters, but for the URL is not

Two styles of UITableView uitableviewstyleplain display uitableviewstylegrouped group display without groupingUitableviewdatasource//Data source protocolTwo required methods//A group of how many rows-(Nsinteger) TableView: (UITableView *) TableView

$ (built_target_files_package):                  $ (Installed_bootimage_target)                   $ (Installed_radioimage_target)                   $ (Installed_recoveryimage_target)                  $ ( Installed_systemimage)                   $

Due to the company's project requirements to adapt to the screen, wrote two different layouts placed in Layout and Layout-land folder (not in the configchanges inside add screensize, otherwise invalid), but the switch when there is a

Mobile development is essentially a communication between a mobile phone and a server, which requires data to be fetched from the service side. It is time-consuming to get data over the network repeatedly, especially when the access is more, it will

Adapter Mode : Converts an excuse for a class into another interface that the client wants There is a very intuitive diagram : For example : Power adapter (convert 110V voltage to 220V voltage, where traget is 220V voltage, adaptee is 110V

Here's the basic shortcut key, which will make our development fast./** *Log日志的输出打印 直接就是loge logm logr logt * 代码提示的快捷键 ctrl+alt+space * 代码上下行移动 ctrl_shift+上下键 * 复制当前的行代码到下一行快捷键是ctrl+D * 剪切ctrl+X 粘贴ctrl+V * 删除一行代码ctrl+Y *

[Self.lable setnumberoflines:0];[Email protected] "In recent years, despite the beautiful trading data, but after a year of operation, Lao Wang found that speculation is still no profit space. He finally understand that house prices have lost the

What is RxJava? is for Event using observable sequences.In a nutshell, RxJava is an event-based class library that uses an asynchronous response extension that can be observed in a sequence.This sentence has the following meanings:RxJava is a

Definition of BroadcastreceiverBroadcast is a widely used mechanism for transmitting information between applications, which is mainly used to listen to the broadcast information sent by the system or application, then according to the broadcast

Looking at some of the big calf's information, it's actually 3 steps.1. Use the POST request because get is not uploaded2. Set the request type, say your JSON data upload3. Send data to the server follow the example code below, it's almost there.1

In the development of iOS, there are three main ways to implement multithreading, Nsthread, Nsoperation and GCD, I have a more detailed implementation of Nsoperation and GCD in front of the blog, you can refer to the iOS multithreaded

Android uses the picture resources generally refers to three kinds: png/jpg bitmap style,. 9 files, selector XML files, in the previous development, are placed in the drawable directory, but when using the latest Android studio, We will find that

1.-webkit-tap-highlight-color-webkit-tap-highlight-color:rgba (0,0,0,0);//transparency set to 0, remove the default gray translucent overlay (IOS) or Virtual box (Android) when clicking Links and text box objects-webkit-tap-highlight-color:rgba (255,

Originally wanted to use Svprogresshud but because this demand is relatively simple, so I wroteThe code below. h file#import @interface Havenomore:uiview+ (instancetype) Sharedhavenomoreview;@property (Nonatomic,strong) UILabel *textlabel;-(void)

Previously wanted to give StatusBar and toolbar the same effect:To make StatusBar transparent, the following properties have been added to StatusBar in the custom theme: trueBut after the statusbar becomes transparent, the interface becomes

1. Using RecyclerviewThe Recyclerview can be used to easily animate the image when switching, which is better than the GridView.2. Drag and drop implementation Dragmanager Inherit the View.ondraglistener, operate on the drag

One navigation controllerWith Uinavigationcontroller, you can easily manage multiple controllers and easily switch between controllers, typically the system's own "settings" Application APPDELEGATE.M-(BOOL) Application: (UIApplication *) application

Preapplicationstartmethod used primarily to specify a method for an assembly , Some custom initialization processing occurs when the assembly is loaded. Use the following as shown, first defining a public type and a public static method in the