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Status bar and navigation bar appear over my view's bounds in iOS 7

...ownloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar. ...
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Provide an image for WhatsApp link sharing

... 2020 standards It takes a few steps to get the perfect preview for WhatsApp, Twitter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to ge...
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Array.Copy vs Buffer.BlockCopy

Array.Copy and Buffer.BlockCopy both do the same thing, but BlockCopy is aimed at fast byte-level primitive array copying, whereas Copy is the general-purpose implementation. My question is - under what circumstances should you use BlockCopy ? Should you use it at any time when you are copyi...
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What would cause an algorithm to have O(log log n) complexity?

... 16 16 / 2 = 8 8 / 2 = 4 4 / 2 = 2 2 / 2 = 1 This process takes 16 steps, and it's also the case that 65,536 = 216. But, if we take the square root at each level, we get √65,536 = 256 √256 = 16 √16 = 4 √4 = 2 Notice that it only takes four steps to get all the way down to 2. Why is this?...
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What is the difference between .text, .value, and .value2?

What is the difference between .text , .value , and .value2 ? Such as when should target.text, target.value, and target.value2 be used? ...
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Redis: possible to expire an element in an array or sorted set?

...tire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually? ...
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How to create a UIView bounce animation?

... With iOS7 and UIKit Dynamics, there is no longer any need to use CAKeyframeAnimations or UIView animations! Take a look at Apple's UIKit Dynamics Catalog app. Alternately, Teehanlax has a clear, concise tutorial with the full project ...
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What does the servlet value signify

...ad-on-startup indicates that this servlet should be loaded (instantiated and have its init() called) on the startup of the Web application. The element content of this element must be an integer indicating the order in which the servlet should be loaded. If the value is a negative integer, o...
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How do I check if a string contains another string in Objective-C?

..."); } The key is noticing that rangeOfString: returns an NSRange struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle". And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code ...
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How do I use CMake?

... CMake takes a CMakeList file, and outputs it to a platform-specific build format, e.g. a Makefile, Visual Studio, etc. You run CMake on the CMakeList first. If you're on Visual Studio, you can then load the output project/solution. ...