Mobile Develop

One: Mailbox Input box1: Do not enter any characters2: Enter Chinese space3: Enter English space4: no @ and dot in string example: huiyanni163com5: There is no dot in the string for example:[email protected]6: No @ bit in string7: Special characters

Prepare song dataNSString *path = [[NSBundle mainbundle] pathforresource:@ "Alan Walker-fade.mp3" oftype:nil];NSData *musicdata = [NSData Datawithcontentsoffile:path];Initializing the audio player (based on NSData initialization)Nserror *errormsg =

This example demonstrates the communication between Android and the servlet, using the servlet as an example .As we all know, the communication between Android and server usually uses HTTP communication mode and socket Communication mode, and HTTP

　　Stpopup offers the Stpopupcontroller uinavigationcontroller pop-up style for the IPhone and ipad.Characteristics: Extend your view controller from Uiviewcontroller, build it in your familiar. Push/pop View Controller in To/out of the

Testing is a very important part of software engineering, and test cases can significantly improve the efficiency and accuracy of testing.　　The app test case is an ordinary program code, usually with the desired results, and the tester can determine

Original address: http://blog.csdn.net/feifei454498130/article/details/8843402Recently, because of the security needs of some projects to encrypt the database, the first thing to think about is to encrypt the database through AES, then run the

This article describes some of the popular iOS open source project libraries A lightweight third-party network library with a high frequency of 1.AFNetworking updates, based on Nsurl and Nsoperation, supported by iOS and OSX.

first, determine whether the network connection is availablePublic Static Booleanisnetworkavailable (Context context) {Connectivitymanager cm=(Connectivitymanager) context. Getsystemservice (Context.connectivity_service); if(cm = =NULL) { }

Original: Android (Xamarin) Tour (four)So late, probably because of a little thing, said open the blog Park to see, the results http://www.cnblogs.com/mindwind/p/5125248.html This article instantly attracted me. Secretly recall, ten years later,

Environment:Oracle-linux 5.7New removable hard drive (not used)Mobile Hard disk space 3TBy default, the Linux system does not support NTFS partition mounts1. Server:A server and B server for a set of Oracle-rac, mobile hard disk inserted on a server;

PackageTest.main.cls;ImportCOM.EXAMPLE.POPUPWINDOW.R;Importandroid.app.Activity;ImportAndroid.os.Bundle;ImportAndroid.view.ContextMenu;ImportAndroid.view.ContextMenu.ContextMenuInfo;Importandroid.view.Gravity;ImportAndroid.view.Menu;ImportAndroid.vie

In the daily development, we will use a lot of WebView for efficiency , for example, when we make a detail page, we return to you is an HTML string, we need to display the current string on the WebView, so we HTML tags need to have a certain

Error description Today, I added the Jackson development package to the Android Studio project, which caused the following error when compiling the runtime: Error:Execution failed for task

Import header file in current class1. Open the DatabaseCreate a path string for the database fileNSString *path = @ "/users/boris/public/Lan Yi third period/day31-sqlite/test.db";Create a database pointer, assign the value to null first, and later

Reference

Original address:First, prefaceScenario One: We are doing iOS development process, inevitably due to their own careless cause some small problems. If the product does not go online before the discovery is OK, if the line to find the problem, then

NSString *datastr = @ "1453709220";Double lastactivityinterval = [Model.addtime doublevalue];nsdateformatter* formatter = [[NSDateFormatter alloc] init];Formatter.timezone = [Nstimezone timezonewithname:@ "Beijing"];[Formatter

There are two main cases of data transfer between controllers encountered in iOS development: transitive and inverse. Transitive means that the direction of data transmission is the same as the direction of the controller's jump (1), and the inverse

Today, Liu Guobin teacher spoke about how to edit the various types of pictures, how to convert the data in the code into a local file, and then take out the use. Feel these more difficult to understand, after class also with a lot of events to

Towering high-rise, the most intuitive person in the development of Android also believes that the most task is the development of the UI.So what do users see at the front desk?Yes, it's activity!.Activity is just a form, and what is actually shown