GCD User's Manual for iOS developers

gcd

Grand Central Dispatch, or GCD, is an extremely powerful tool. It gives you some of the underlying components, like queues and semaphores, so you can get useful multithreaded results in some interesting ways. Unfortunately, this C-based API is a bit

Reprint-ios Get device IP address

iOS Get device IP addressThe code is as follows: 123456789101112131415161718192021st222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596

Android Discovery based on Okhttp build your own Web request <Retrofit+Okhttp> (v)

Objective:Through the above study, we can not find the simple use of okhttp to serve as a network library or how much to receive a little bit less convenient, but also need to manage the interface, for the interface of the use of what kind of

HTML5 Application Caching Application cache

HTML5 Application Caching Application cacheWhat is Application CacheHTML5 introduces application caching technology, which means that Web apps can be cached and used without a network, and creating a cache manifest file makes it easy to create

"Android" Android dynamic agent adds hooks for Surfaceholder

This blog will describe a usage scenario for dynamic proxies in Android applications.Proxy modeThe role of proxy mode is to provide a proxy for other objects to control access to this object. For example, users call a "eat" method, if you do not

IOS Video Live/Smart Home (line of code, zero-based) lesson:1 overall architecture

This article reprinted to http://blog.csdn.net/u014011807/article/details/47144027Some time ago due to work need to do a video live/smart home class application. A summary of streaming media processing for iOS audio and video columns. Here want to

Millet Fan Tool series five: Millet fan web password scanner

Latest Version: Http://pan.baidu.com/s/1c1NDSVe file name Webcracker, use java1.8 to runSmall Mi Van Web password scanner's main function is to batch scan the Web password, the current support for Basic authentication and form authentication, form

Instant Messaging sockets for iOS development (Asyncsocket)

1 , Asyncsocket IntroductionIf you need to do instant messaging in your project like QQ, you must use socket communication.IOS in Socket Programming the way :BSD Socket:BSD Socket is a common network interface in UNIX system, it not only supports a

Talking about the n solution of iOS video playback

JaneRegisterLoginAdd concernauthor Maru 2016.03.22 20:46* Wrote 4349 words, was paid attention by 135 people, gained 207 likesWord 1621Read 2895 comments on 159 likes Header.jpeg Preface Although I disagree with you, I'll defend your right

Precompiled directives in iOS

A preliminary study of pre-compiled instructions in iOSCatalog [+]OpeningWe humans create things when there is a word called "bionics"! Human creation of anything will imitate their own to create, so God did not grow into a tree like the same as

Android Development: App Engineering integrated UnionPay-return refund function

I. PrefaceThe UnionPay payment function has been integrated (server side stamp here, client stamp here), temporarily put the refund function put aside, today smoked a little time to fill up the hole.In fact, with the experience of the last

Hybrid App Development History

It was almost a year since the previous article, "Simple application based on JS-SDK," was a shame. The last time after the change of work, has been in a relatively busy state. Second, after a long period of time are not engaged in mobile-related

iOS app crash log analysis

1. What is a crash log and where can I get it ?When an app on an iOS device flashes, the operating system generates a crash report, also known as a crash log, to be on the device.There is a lot of useful information on the crash log, including the

"To" iOS developers to apply for the release of certificates and real-computer debugging graphics detailed

Original URL: http://www.tqcto.com/article/mobile/57822.htmlOpen iOS Dev Center, select Sign In, login (at least $99 account), log on to the right of the page Certificates,identifiers & Profiles, select Identifiers. App ID (bundle identifier)

Android Simulator Speed issue

Reproduced in the original: http://www.cnblogs.com/csulennon/p/4178404. HTML--------------------------------------------------------------------------------------------------------------------- --------------Android Studio 1.0 has been released, the

iOS remote push principle and implementation process

? More technical Dry please poke: Listen to the Cloud blogPush notifications are an essential feature of today's apps. So how do we implement remote push in IOS? What is the remote push principle of IOS? When we do IOS remote push, we encounter a

iOS Development Roadmap Brief

1 iOS development environment1.1 Development environmentThe standard configuration is Macosx+xcode.MacOSX words of choice with the Apple Computer, Macmini the cheapest as long as more than 4,000 good and then own a monitor, Macbookpro can also, not

# Original # Thinking of front-end layout Foundation and mobile application

Directory: Historical and developmental changes New structural elements of HTML5 The way of layout based on CSS Consider screen resolution A few nouns about the layout Basic layout style Properties

Configuration file modification in%appdata% directory (BAT scripting mode)

1. Assume that the%appdata%\leez program directory has the cache subdirectory and configuration file Config.iniThe contents are:[Version]Version=1.0.0.123[Options]windowwidth=1920windowheight=1080[Login]Currentaccount=leez2. Modify the WindowWidth

Android Boot page Splash design

The Android_splash boot page is an animated page that describes some of the app's features when the app is first installed, giving users a general idea of what the app does. When the user first installs a boot page, the next time the user starts, it

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