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Returning value that was passed into a method
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Batch files - number of command line arguments
...imrodmnimrodm
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Which is the preferred way to concatenate a string in Python?
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The best way of appending a string to a string variable is to use + or +=. This is because it's ...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
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For what it's worth, here's a general solution to positioning the image centered above the text ...
How does git compute file hashes?
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Git prefixes the object with "blob ", followed by the length (as a
human-readable integer),...
Does git return specific return error codes?
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Set operations (union, intersection) on Swift array?
...;String> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)// Intersection of two sets
firstSet.symmetricDifference(secondSet)// exclusiveOr
Swift 2.0 can calculate on ...
Show a number to two decimal places
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edited Dec 18 '13 at 7:58
answered Dec 19 '10 at 15:14
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
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There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we i...
How do I set a variable to the output of a command in Bash?
...ndy Lester
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