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Force CloudFront distribution/file update

...e API Reference. This is a sample request from the API Reference: POST /2010-08-01/distribution/[distribution ID]/invalidation HTTP/1.0 Host: cloudfront.amazonaws.com Authorization: [AWS authentication string] Content-Type: text/xml <InvalidationBatch> <Path>/image1.jpg</Path&gt...
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How do I shuffle an array in Swift?

...x = [1, 2, 3].shuffled() // x == [2, 3, 1] let fiveStrings = stride(from: 0, through: 100, by: 5).map(String.init).shuffled() // fiveStrings == ["20", "45", "70", "30", ...] var numbers = [1, 2, 3, 4] numbers.shuffle() // numbers == [3, 2, 1, 4] Swift 4.0 and 4.1 These extensions add a shuffle(...
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Why does GCC generate such radically different assembly for nearly the same C code?

...st_trunc_one(int i) { int mantissa, exponent; mantissa = (i & 0x07fffff) | 0x800000; exponent = 150 - ((i >> 23) & 0xff); if (exponent < 0) { return (mantissa << -exponent); /* diff */ } else { return (mantissa >> exponen...
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Comparing arrays in JUnit assertions, concise built-in way?

... 302 Use org.junit.Assert's method assertArrayEquals: import org.junit.Assert; ... Assert.assertAr...
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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?

... 101 There is no difference: (eq 'my-add #'my-add) yields t The # can be used in front of a lamb...
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Magic number in boost::hash_combine

...umber is supposed to be 32 random bits, where each is equally likely to be 0 or 1, and with no simple correlation between the bits. A common way to find a string of such bits is to use the binary expansion of an irrational number; in this case, that number is the reciprocal of the golden ratio: phi...
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std::function vs template

... answered Feb 3 '13 at 22:50 Andy ProwlAndy Prowl 111k1818 gold badges348348 silver badges430430 bronze badges ...
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How do I horizontally center a span element inside a div

...fff; display: inline-block; /* float:left; remove */ margin: 10px 10px 0 0; padding: 5px 10px } http://jsfiddle.net/Adrift/cePe3/ share | improve this answer | ...
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Size of character ('a') in C/C++

... | edited Dec 9 '13 at 18:02 Eric Postpischil 121k99 gold badges123123 silver badges224224 bronze badges ...
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JavaScript hard refresh of current page

... 305 Try to use: location.reload(true); When this method receives a true value as argument, it wi...