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In Objective-C, how do I test the object type?
... Be careful with it though, as many Apple objects are actually Core Foundation types in disguise. (Eg. an NSString is more often an NSCFString, and isMemberOfClass: will return false for this comparison.)
– Craig Otis
Jul 17 '09 at 17:45
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Container View Controller Examples [closed]
... Custom View Controller as a Container View Controller? The only documentation I can find is a couple of paragraphs in the UIViewController Class Reference . I feel I need a little more information than that and an example implementation would be nice. Google has turned up nothing at all.
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Simulate limited bandwidth from within Chrome?
Is there a way I can simulate various connection speeds from within Chrome?
13 Answers
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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
I'm trying to understand the functionalities of these methods. Could you provide me a simple usecase to understand theirs semantics?
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使用Activity启动器组件 · App Inventor 2 中文网
...aia 文件），你可以按如下方式找到这些名称：
将源代码下载到你的计算机。
使用文件资源管理器或解压缩实用程序，找到名为 youngandroidproject/project.properties 的文件。
第一行以main=开头。 之后的所有内容都是包名和类名。
例...
Optimizing away a “while(1);” in C++0x
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Does someone have a good explanation of why this was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the documen...
Clear android application user data
Using adb shell to clear application data
7 Answers
7
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How do I call Objective-C code from Swift?
...ip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, and name it CustomObject.m.
Step 2: Add Bridging Header
When adding your .m file, you'll likely be...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ao-air:lua chenhao$ lua
Lua 5.2.2 Copyright (C) 1994-2013 Lua.org, PUC-Rio
> print("Hello, World")
Hello, World
>
也可以把脚本存成一个文件，用如下命令行来运行。
1
>lua file.lua
或是像shell一样运...
presentViewController and displaying navigation bar
...r is displayed as a modal and would like to know how to display the navigation bar when using
12 Answers
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