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Close iOS Keyboard by touching anywhere using Swift

...rd") //Uncomment the line below if you want the tap not not interfere and cancel other interactions. //tap.cancelsTouchesInView = false view.addGestureRecognizer(tap) } //Calls this function when the tap is recognized. @objc func dismissKeyboard() { //Causes the view (or one of i...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

...r a[] , it specifies the initial values of the characters in that array (and, if necessary, its size). Anywhere else, it turns into an unnamed, static array of characters, and this unnamed array may be stored in read-only memory, and which therefore cannot necessarily be modified. In a...
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raw vs. html_safe vs. h to unescape html

...s declared on a helper, just like h, so it can only be used on controllers and views. "SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work. share ...
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What is the difference between ng-app and data-ng-app?

I have begun to learn about AngularJS and am confused about what the differences are between the ng-app and data-ng-app directives. ...
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HttpURLConnection timeout settings

...as a setConnectTimeout method. Just set the timeout to 5000 milliseconds, and then catch java.net.SocketTimeoutException Your code should look something like this: try { HttpURLConnection.setFollowRedirects(false); HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();...
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How to count the number of true elements in a NumPy bool array

... numpy)? If it is not guaranteed, I will add a check, 'if True==1:' beforehand. About count_nonzero(..), unfortunately, it seems not implemented in my numpy module at version 1.5.1, but I may have a chance to use it in the future. – norio Dec 3 '11 at 1:52 ...
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fatal: Not a valid object name: 'master'

...When I git init a folder it doesn't create a master branch This is true, and expected behaviour. Git will not create a master branch until you commit something. When I do git --bare init it creates the files. A non-bare git init will also create the same files, in a hidden .git directory in ...
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Instantiate and Present a viewController in Swift

I started taking a look of the new Swift on Xcode 6 , and I tried some demo projects and tutorials. Now I am stuck at: 1...
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How to make a variadic macro (variable number of arguments)

...eceding comma in case the variable-argument list is empty, eg. FOO("a") expands to printf("a"). This is an extension of gcc (and vc++, maybe), C99 requires at least one argument to be present in place of the ellipsis. – jpalecek Mar 26 '09 at 20:20 ...
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Can't escape the backslash with regex?

...tring parser will remove two of them when "de-escaping" it for the string, and then the regex needs two for an escaped regex backslash). For instance: regex("\\\\") is interpreted as... regex("\\" [escaped backslash] followed by "\\" [escaped backslash]) is interpreted as... regex(\\) is i...