Mobile Develop

How does client security work? 1> Network data transmission ( sensitive data [ account \ password \ consumption data \ Bank Card Account number ], cannot be sent in plaintext )2> protocol Problems ( Custom Protocol , game leveling )3> Local

Just finished a project, in the test has a problem: because of the existence of multithreading, when the speech recognition: If the user clicks on the Program Interface button or other to accept the Click event will signal the widget, the program

1. When is the use of Nsmutablearray and when to use Nsarray?1> when an array element needs to be dynamically added or deleted, use Nsmutablearray2> when the array element is fixed, use the nsarray2. Give US example of what is delegate methods and

1. Object-cdo you have multiple inheritance? What's the substitute for nothing? ?1> OC is single inheritance, no multiple inheritance2> can sometimes replace multiple inheritance with categorical category and protocol Protocol2. Object-cdo you have

Lightweight Database Leveldb Https://github.com/google/leveldbOne: Compile leveldb under iOSTerminal:1:git Clone Https://github.com/google/leveldb.git2: Go to the root directoryCD Leveldb-master3: Compile: cxxflags=-stdlib=libc++ make

Reprinted from: http://www.cnblogs.com/iCocos/p/4684749.htmlUiapplication,uiwindow,uiviewcontroller,uiview (layer) Brief introductionOne: uiapplication: Single case (more on the article in the following example, as you can now know, the Singleton

1. Difference between shallow copy and deep copy?1> Shallow copy: pointer (address) Copy, does not produce new objects2> deep Copy: A copy of the content that produces a new object2. What is advantage of categories? What is difference between

shortcut keys for inheriting Eclipse : File->settings->keymap-> has a keymaps drop-down menu, select Eclipse.Here are some of the key shortcuts used:Ctrl + G/ctrl + Alt + Shift +g : Query variables or functions or classes where they are used or

The mercenary application supermarket is accelerating to death! Since 2010, the wave of mobile internet, mobile app is a fad, almost every internet company is seeking opportunities on the mobile Internet, especially the major internet companies have

Interface is relatively simple, want to do a good job to change a few pictures can be.The first step is to put the tabhost in the layout (which is generated automatically when Main.xml is created), as long as the Tabhost control is placed on the

In the project encountered such exception: caseexpressions must is constant expressionspublic class Standingcityactivity extends Activity implements view.onclicklistener{} @Override public void OnClick (View v) { switch (V.getid ()) {

Android recommends using an XML file to design the user interface, but virtually all components provide two ways to use it:1. Set the xml genus in the XML layout file2. Calling methods in Java program codeAndroid provides official documents that

In Android development we often have the need to download XML or JSON-type data from the server, including some picture resources, this demo simulates this requirement, loading XML resources from the network, including images, we want to do the

1. Messaging mechanismsruntime abbreviation. is the system at the time of the operation of some mechanism, the most important is the message mechanism.For the C language, the function's call will decide which function to call at compile time (see

One, the conversion between each other1. String to data stream NSData @ "abc123"; *DD = [str datausingencoding:nsutf8stringencoding]; NSLog (@ "%@"By printing the converted data stream you can see that the data stream is a two-bit byte

Cacti heavy graphics, data history, need to database support, support Web configuration, default does not support alarm, can add plug-ins;Nagios heavy status and results, no data history, no image, no web configuration, can develop scripts to

What is the reason for the 403Forbidden warnning when Nagios uses Check_nrpe's check_http? Yum Source installs the httpd service under the/var/www/html that does not index.html this file. The solution is simple: touch/var/www/html/index.html. Test

Tag: Blank target border style titlePhoenixbios Setup Tool 650) this.width=650; "Style=" background-image:none; border-bottom:0px; border-left:0px; margin:0px; padding-left:0px; padding-right:0px; border-top:0px; border-right:0px; padding-top:0px

Android Development Project: The Call of Baidu MapIn an unfamiliar environment, getting your own location, choosing the right place to eat, accommodation and bus routes becomes a challenge. This practice project is to solve the above problems, by

Detailed explanation of the source code of Cocos2D-Android-1: 2. ActionManagerTest // Now let's start commenting on his first activitypackage org. cocos2d. tests; import org. cocos2d. actions. CCActionManager; import org. cocos2d. actions. base.