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How to wait for several Futures?

Suppose I have several futures and need to wait until either any of them fails or all of them succeed. 8 Answers ...
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Iterating each character in a string using Python

...for loop construct, for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file with open(filename) as f: for line in f: # do something with line If that seems like magic, well it kinda is, but the idea behind it is re...
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Installing a dependency with Bower from URL and specify version

... This is a Git endpoint, and specifying the versioning works. If you specify for example a Javascript file directly, this does not work – Edmondo1984 Oct 14 '13 at 4:51 ...
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How to map atan2() to degrees 0-360

... For those not comfortable with this notation, and without the conversion to degrees built in: if(x>0) {radians = x;} else {radians = 2*PI + x;} so we are just adding 2PI to the result if it is less than 0. – David Doria Sep 25 '1...
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What is the difference between Views and Materialized Views in Oracle?

What is the difference between Views and Materialized Views in Oracle? 8 Answers 8 ...
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Python constructors and __init__

Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class? ...
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Is there a way to measure how sorted a list is?

...Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A. The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is...
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php is null or empty?

...===. When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal. share | improve this answer | follow | ...
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Class Not Found Exception when running JUnit test

...ugh Eclipse.) The way around this is to add test-compile to your Maven command sequence whenever you do a mvn clean. For example, you would run mvn clean compile test-compile. share | improve this a...
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Set operations (union, intersection) on Swift array?

Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)? ...