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Convert between UIImage and Base64 string

...ta format let imageData:NSData = NSData.init(contentsOfURL: url)! Swift 2.0 > Encoding let strBase64:String = imageData.base64EncodedStringWithOptions(.Encoding64CharacterLineLength) Swift 2.0 > Decoding let dataDecoded:NSData = NSData(base64EncodedString: strBase64, options: NSDataBase64Dec...
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How to set date format in HTML date input tag?

...ify that as a short date, the first day of August this year should be 1/8-2016, but even Chrome and Opera show 01/08/2016. Other browsers, like Safari and Firefox (at least on OS X) ignore OS settings entirely and always show 2016-08-16 no matter what. On a site where users can set their own date pr...
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CHECK constraint in MySQL is not working

... MySQL 8.0.16 is the first version that supports CHECK constraints. Read https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html If you use MySQL 8.0.15 or earlier, the MySQL Reference Manual says: The CHECK...
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How to get a variable value if variable name is stored as string?

... answered Dec 17 '09 at 12:09 Phil RossPhil Ross 22.5k99 gold badges6666 silver badges7474 bronze badges ...
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What is the worst gotcha in C# or .NET? [closed]

... 304 private int myVar; public int MyVar { get { return MyVar; } } Blammo. Your app crashes w...
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Loop backwards using indices in Python?

I am trying to loop from 100 to 0. How do I do this in Python? 15 Answers 15 ...
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How to make inline functions in C#

...ere are several syntaxes available. Anonymous methods were added in C# 2.0: Func<int, int, int> add = delegate(int x, int y) { return x + y; }; Action<int> print = delegate(int x) { Console.WriteLine(x); } Action<int> helloWorld = delegate // parameters can be elided if ...
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How do you easily horizontally center a using CSS? [duplicate]

... 806 In the case of a non-fixed width div (i.e. you don't know how much space the div will occupy). ...
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Numpy array dimensions

... answered Jun 17 '10 at 12:59 Felix KlingFelix Kling 666k151151 gold badges968968 silver badges10321032 bronze badges ...
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How to find and return a duplicate value in array

... 20 Answers 20 Active ...