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Cartesian product of x and y array points into single array of 2D points

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c# datatable insert column at position 0

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(Deep) copying an array using jQuery [duplicate]

...pying, it is not suitable for multidimensional arrays: var a =[[1], [2], [3]]; var b = a.slice(); b.shift().shift(); // a is now [[], [2], [3]] Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value. Likewise delete...
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Change Default Scrolling Behavior of UITableView Section Header

... | edited Nov 14 '13 at 12:35 Fattie 33.1k4949 gold badges304304 silver badges562562 bronze badges ...
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Transparent ARGB hex value

... Robert 1,5081818 silver badges3333 bronze badges answered Apr 21 '14 at 16:21 theHackertheHacker 3,48011 gol...
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Get all attributes of an element using jQuery

...he attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of: ...
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

...faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why. 6...
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What's the best practice to round a float to 2 decimals? [duplicate]

...mals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom. /** * Round to certain number of decimals * * @param d * @param decimalPlace * @return */ public static float round(float d, int decimalPlace) { BigDecim...
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Moving average or running mean

...e loop, without dependencies, the code below works great. mylist = [1, 2, 3, 4, 5, 6, 7] N = 3 cumsum, moving_aves = [0], [] for i, x in enumerate(mylist, 1): cumsum.append(cumsum[i-1] + x) if i>=N: moving_ave = (cumsum[i] - cumsum[i-N])/N #can do stuff with moving_ave h...
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How do I declare a 2d array in C++ using new?

...| edited Feb 15 '18 at 22:33 AAEM 1,59111 gold badge1212 silver badges2424 bronze badges answered Jun 1 ...