iOS design mode-combinationSchematic diagramDescriptionCombining objects into a tree structure to represent a "partial-whole" hierarchy, combining patterns makes the user consistent with the use of individual objects and composite objects. The key
After the IOS app compiles, in addition to some resource files, the rest is an executable file, sometimes the project is large, the introduction of more libraries, executable file is very large, want to know the composition of this executable file,
Formally began to learn Android, no reading and video, so there is no systematic study, just see which knowledge points to learn, today learning interface between the jump, as well as the value, the main point of knowledge is
Frame Layout-framelayoutFirst, the conceptFrame layout, the container creates a blank area (a frame) for each space that is added to it. Each space occupies one frame, and these frames are automatically aligned by the Gravity property.The effect of
1th bit: Represents the current file typeL: ShortcutD: Folder-: File2-4-bit: Current user rights5-7-bit: group permissions for the current user8-10-bit: Other user rightsPermissions are made up of three binary digits that represent different
1.JSON data structure and parsing1.1JSON data StructureJson:javascript Object Notation (JavaScript object Notation). JSON is the syntax for storing and exchanging textual information. Similar to XML. JSON is smaller, faster, and easier to parse than
In the development of Android programs, we often use shape to define a variety of shapes, first of all we understand what the shape of the label below, it means:Solid: FillANDROID:COLOR Specifies the color of the fillGradient:
Today Bo Master has an upgrade Xcode7 needs, encountered some difficulties, here and we share, hope to progress together.1.Address sanitizer: No more worries exc_bad_accessExc_bad_access has been a nightmare for many developers, because this error
Memory management is an important topic in the development of software. If memory management is improper, light memory leaks, heavy program crashes.Here's an important story about the arc (Automatic Reference counting) mechanism of iOS.The
First, the home row introductionMain queue: is the queue associated with the main line threads, the home row is a special serial queue of GCD, the task placed in the main queue, will be placed in the main thread to execute. Tip: If you put the task
AppleWatch Development Introduction Application of notification in seven--watchosFirst, IntroductionIn an iOS system, there are two types of notifications that are supported: local notifications and remote notifications. Local notifications are used
The first chapter begins with your first line of Android code1, the Environment of Android Development (Eclipse+android Sdk+adt) was introduced, just my slag notebook can not run Android Studio,eclipse first use.2. Add LogCat to Eclipse, Step:
Passing data between ActivtyPrior to learning how to start an activity, in some cases not only need to start another activity, but also to get the results returned. And sometimes more often when you start another activity with some values.1. Define
1. callback function similar to notification, delegate2, callback function declaration, implementation, callback can be in a class, you can also write the callback to another class3, declare a function in a class, in the implementation function, to
1 classes that encapsulate JSON communication interfaces2PHP3 classresponse{4 /**5 * Output communication data in JSON mode6 * @param integer $code status code7 * @param string $message tip information8 * @param array $data data9 *
Model-View-Controller (MODEL-VIEW-CONTROLLER,MVC) is a software design pattern invented by Xerox PARC in the the 1980s for programming language Smalltalk-80, which has been widely used in user interaction applications. In iOS development, the MVC
Cat Share, must boutiqueOriginal articles, welcome reprint. Reprint Please specify: Sanayu's BlogAddress: http://blog.csdn.net/u013357243One:Two: AttentionFor methods [Uipopovercontroller Dealloc] reached while popover is still visible.When the
Tung Platinum authorized this site reproduced.This article is mainly about some iOS9 adaptation of the pit, if only to understand the iOS9 new features can be seen in the eyes of God's developers need to know the IOS 9 SDK new features. September 17
How to add a pin (landmark):by Mapview's Addannotation method you can add a pin to the mapMultiple pins can be added to the map via Mapview's Addannotations method– (void) addannotation: (id ) annotation;description: An object that complies with the
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