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App Inventor 2 标签内容过多，如何做到可上下滑动？ · App Inventor 2 中文网
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AI伴侣现已正式升级为“AppInventor学院”App！ - App Inventor 2 中文网 -...
// 新App特色 //
100%由AppInventor2开发完成的“AppInventor学院”App已正式上线，包含AI伴侣的所有功能，另外添加或集成了AI问答、在线视频课程及移动社区等功能。这款App也将承载大家对于AppInventor能打造什么样的App效果的一个期待...
AngularJS : When to use service instead of factory
...actory).
ref: angular.service vs angular.factory
Second:
Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is about code style.
But, the common way in AngularJS is to use factory.
Why ?
Be...
How do you update Xcode on OSX to the latest version?
... Just want to also note that this will only show as an update if you installed your version directly from the App Store. However, if you installed it from elsewhere, you will need to re-download the entire new version of Xcode.
– CodeBiker
Aug 3 '13 at 20:39
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In Objective-C why should I check if self = [super init] is not nil?
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For example:
[[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"];
[[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"];
[NSImage imageNamed:@"AnImageThatIsntInTheImageCache"];
... and so on. (Note: NSData might throw...
How can I put a database under git (version control)?
... and version control that instead. This way it is a flat text file.
Personally I suggest that you keep both a data dump, and a schema dump. This way using diff it becomes fairly easy to see what changed in the schema from revision to revision.
If you are making big changes, you should have a secon...
Android: Clear Activity Stack
... navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
11 Answers
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Understanding implicit in Scala
..., which means the values will be taken from the context in which they are called. If there is no implicit value of the right type in scope, it will not compile. Since the implicit value must resolve to a single value and to avoid clashes, it's a good idea to make the type specific to its purpose, e....
How do I render a partial of a different format in Rails?
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Beginning with Rails 3.2.3, when calling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
share
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How can I change my Cygwin home folder after installation?
I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not where I want it.
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