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Explain the encapsulated anonymous function syntax

... It doesn't work because it is being parsed as a FunctionDeclaration, and the name identifier of function declarations is mandatory. When you surround it with parentheses it is evaluated as a FunctionExpression, and function expressions can be named or not. The grammar of a FunctionDeclaratio...
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UTF-8: General? Bin? Unicode?

...pares as equal to combinations of other characters. For example, in German and some other languages “ß” is equal to “ss”. utf8_unicode_ci also supports contractions and ignorable characters. utf8_general_ci is a legacy collation that does not support expansions, contractions, or ignorable ...
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Swift - How to convert String to Double

I'm trying to write a BMI program in swift language. And I got this problem: how to convert a String to a Double? 29 Answer...
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64-bit version of Boost for 64-bit windows

...As a longer answer, here are my build notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case): Build the win32 binaries bjam --toolset=msvc-9.0 --build-type=complete stage Create the directory lib\win32 Move the contents of sta...
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Error “library not found for” after putting application in AdMob

... Sometimes you just remove the reference of the library and add reference again. Apart from adding the Google Mobile Ads SDK and other libraries again from scratch, I would recommend you checking the Library Search Paths. There are instances when you copy or duplicate a target, ...
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Format a number as 2.5K if a thousand or more, otherwise 900

I need to show a currency value in the format of 1K of equal to one thousand, or 1.1K, 1.2K, 1.9K etc, if its not an even thousands, otherwise if under a thousand, display normal 500, 100, 250 etc, using javascript to format the number? ...
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Best way to test exceptions with Assert to ensure they will be thrown

...that expects the exact exception, does an Assert.Fail if the code succeeds and also catches generic exceptions to make sure that a different exception is not thrown. First case: [TestMethod] [ExpectedException(typeof(ArgumentNullException))] public void MethodTest() { var obj = new ClassRequi...
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Remove all but numbers from NSString

I have an NSString (phone number) with some parenthesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string? ...
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Should the .gradle folder be added to version control?

...ing information, you don't want it in your repo because: it can get big and be full of binary files there can be machine specific data in there there's a lot of churn in there (you'd be constantly committing changes to files in there) everything in there can be completely re-generated whenever it...
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Rails filtering array of objects by attribute value

So I perform a query to the db and I have a complete array of objects: 5 Answers 5 ...