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How to redirect output to a file and stdout

In bash, calling foo would display any output from that command on the stdout. 10 Answers ...
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delete vs delete[] operators in C++

What is the difference between delete and delete[] operators in C++? 7 Answers 7 ...
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Reverse Range in Swift

...here for the bounds. Earlier edit for Swift 1.2: As of Xcode 6 Beta 4, by and ReverseRange don't exist anymore :[ If you are just looking to reverse a range, the reverse function is all you need: for i in reverse(1...5) { println(i) } // prints 5,4,3,2,1 As posted by 0x7fffffff there is a new s...
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Most efficient method to groupby on an array of objects

... Here is one that outputs array and not object: groupByArray(xs, key) { return xs.reduce(function (rv, x) { let v = key instanceof Function ? key(x) : x[key]; let el = rv.find((r) => r && r.key === v); ...
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How ListView's recycling mechanism works

So I have this problem I had before, and naturally I asked for help on here . Luksprog's answer was great because I had no idea about how ListView and GridView optimized itself with recycling Views. So with his advice I was able to change how I added Views to my GridView. Problem is now I have some...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

I have 5 addons/extensions for FF, Chrome, IE, Opera, and Safari. 24 Answers 24 ...
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Javascript calculate the day of the year (1 - 366)

... Edit: The code above will fail when now is a date in between march 26th and October 29th andnow's time is before 1AM (eg 00:59:59). This is due to the code not taking daylight savings time into account. You should compensate for this: var now = new Date(); var start = new Date(now.getFullY...
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How do I get the number of days between two dates in JavaScript?

... Here is a quick and dirty implementation of datediff, as a proof of concept to solve the problem as presented in the question. It relies on the fact that you can get the elapsed milliseconds between two dates by subtracting them, which coerc...
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How to determine equality for two JavaScript objects?

...ortant to determine whether any two instances of MyClass are equal, only a and b are important. In some cases c might vary between instances and yet not be significant during comparison. Note this issue applies when members may themselves also be instances of a type and these each would all be req...
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Is Python strongly typed?

...older dialects of C, which were weakly, statically typed, so that pointers and integers were pretty much interchangeable. (Modern ISO C requires conversions in many cases, but my compiler is still lenient about this by default.) I must add that the strong vs. weak typing is more of a continuum than...