iOS Multithreading series (i)------nsthread

gcd

Introduction: The Application of threading in iphone is not unrestrained, the official data show that the main thread of the iphone OS stack size is 1M, the second thread starts with 512KB. And the value cannot be changed by the compiler switch or

Troubleshoot white screen issues when Android activity switches

Some low performance machines, when switching activity when the white screen display the correct view, high-performance machines may be too fast to see, but the fact exists,Especially when you start a new process, the activity of the a process jumps

The gravity sensor developed by Android

The gravity sensor is similar to the direction sensor development step, as long as the value of x, Y and Z in the interim can be programmed according to their changes, it is recommended to learn about the Android app development tutorial .First look

Data backhaul between Android pages

Requirements: Page 1 jump to page 2, page 2 and return to page 1 also return dataPage 1 adds the following code:Intent Intent = new Intent (); Intent.setclass (page 1.this, page 2.class); Bundle bundle = new bundle (); Intent.putextras (bundle)

Android+ndk+cdt+eclipse+opengl es Compilation and native debug no debugging symbols found

Environment:The NDK version R8,eclipse and Android use the Adt-bundle-windows-x86 packaging version is more convenient,Operating system is windows8.1First, the NDK compilation1. Source CodeNDK's Examples directory has HELLO-GL2 source code, you can

iOS delegate Syntax note

1 You cannot add parentheses to a property or member variable@property (nonatomic, weak) IDunihttprequestdelegate> delegate; In this notation, id unihttprequestdelegate> cannot be enclosed in parentheses, for example (IDunihttprequestdelegate>

Solve the problem of the Android AVD arrow key Dpad not available

The Android AVD will not be able to use Dpad by default after generating a new simulator. The reason is that it is disabled.The solution is as follows:Locate the Config.ini file under C:\Documents and

Talk about the differences between iOS and Android

iOS and Android which is good? I believe a lot of users of iOS and Android are not known, the following I would like to explain the differences between iOS and Android, interested friends come over to the onlookers Oh. Recommended Learning Android

--vibrator (vibrator) for system services provided by Android

--vibrator (vibrator) for system services provided by Android --Reprint Please specify source: Coder-pig Vibrator Introduction and Related methods:simple demo--Set frequency different VibratorsThe most widely used for vibrator is the so-called

iOS uses push to hide sub-pages at the bottom bottom TabBar

Here are two things I encountered during the development process, one of which is code using Pushviewcontroller, and the other is storyboard using push directly. Before also consulted a lot of information about the hidden bottom tabbar, but either

Android in Localbroadcastmanager use

Today there is a problem of communication between acitivity, because we are wrapping the activity with tabactivity (what we call a), so the two activity is at the same time. When you start other activities in tabactivity to handle some business, and

IOS automatically handles response content character encoding for Http requests

IOS request URL return content character set encoding handling adaptiveThe beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please

Android Development Program to implement the onclick encountered problems

Write the code according to the video screen as followsClass Mybuttonlistener implements onclicklistener{@Overridepublic void OnClick (View v) {;}}Hint Mybuttonlistener there is a problemHint details the type Activitya.mybuttonlistener must

iOS Development sockets (i)

ack

Connection handshake:1. Client sends establish connection request 2. The server confirms the connection request 3. The client confirms that the above 3 steps have been connected after completing the break handshake using send recv: If you want to

Rent a mobile phone, computer, tablet

At present, there are many fruit powder, rice noodles, family powder, Cloud OS powder, etc., there is not so much money to buy these devices, but everyone wants to experience the experience in the first time, in order to meet the needs of this part

Workaround for/dev/mapper/vg_zjxtest-lv_root occupancy reach 100%

The disk is full. 1 View this directory Du-sh ~/.local/share/trash see if the Recycle Bin is full 2 see the/tmp directory and the/var directory if there is a large file 3 see if this directory plus the following file is very large/var/lib/mlocate/

[iOS] The nsthread of multi-threading in layman's iOS

http://www.cocoachina.com/bbs/read.php?tid=43852The OS supports multiple levels of multi-ThreadsProgramming, the higher the level of abstraction, the more convenient to use, but also the most recommended way to use Apple.The following is a brief

"V2.x Oge-example chapter II (first section) the movement of the Elves"

1. Location: Modifier_example- Movingball2. Class Name: Movingball650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/4D/DD/wKioL1RbPfCQs6jDAABPpPvO-j0861.jpg "title=" Chapter II the first section. png "alt="

Android Codereview a bit summary

Codereview a bit of summary1: Use Handler.post (Runnable) when using handler, Hanler to keep weak reference relationships with classes, or use static handler objectsPublic Handler h = new Handler () {//is not recommended @Override public

Solution for black screen when Android activity switch (jump)

When the two activity jumps, as the second activity loads more data at startup, a short black screen time will appear before the start, and a simple way to solve the problem is to set the second activity theme to transparent. This will turn the

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