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Detect Browser Language in PHP

...e and clean <?php $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); $acceptLang = ['fr', 'it', 'en']; $lang = in_array($lang, $acceptLang) ? $lang : 'en'; require_once "index_{$lang}.php"; ?> ...
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Convert HH:MM:SS string to seconds only in javascript

... Try this: var hms = '02:04:33'; // your input string var a = hms.split(':'); // split it at the colons // minutes are worth 60 seconds. Hours are worth 60 minutes. var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]); console.log(seconds...
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JavaScript function to add X months to a date

...getMonth() + +months); if (date.getDate() != d) { date.setDate(0); } return date; } // Add 12 months to 29 Feb 2016 -> 28 Feb 2017 console.log(addMonths(new Date(2016,1,29),12).toString()); // Subtract 1 month from 1 Jan 2017 -> 1 Dec 2016 console.log(addMonths(n...
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How can I get a count of the total number of digits in a number?

... Without converting to a string you could try: Math.Ceiling(Math.Log10(n)); Correction following ysap's comment: Math.Floor(Math.Log10(n) + 1); share | improve this answer | ...
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vertical & horizontal lines in matplotlib

...is range, regardless of coordinates. The parameters xmin or ymin use value 0.0 as the minimum of the axis and 1.0 as the maximum of the axis. Instead, use plt.plot((x1, x2), (y1, y2), 'k-') to draw a line from the point (x1, y1) to the point (x2, y2) in color k. See pyplot.plot. ...
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How to find Unused Amazon EC2 Security groups

... | edited Jul 1 at 20:15 Dherik 11.2k1010 gold badges7373 silver badges114114 bronze badges answer...
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What is the difference between & and && in Java?

...the first operand evaluates to false since the result will be false (x != 0) & (1/x > 1) <-- this means evaluate (x != 0) then evaluate (1/x > 1) then do the &. the problem is that for x=0 this will throw an exception. (x != 0) && (1/x > 1) <-- this means evaluate (x...
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How to add title to subplots in Matplotlib?

... JaradJarad 9,9661111 gold badges6161 silver badges100100 bronze badges ...
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Value of i for (i == -i && i != 0) to return true in Java

....toBinaryString(Integer.MIN_VALUE)); you see that Integer.MIN_VALUE is 10000000000000000000000000000000 Taking the negative value is done by first swapping 0 and 1, which gives 01111111111111111111111111111111 and by adding 1, which gives 10000000000000000000000000000000 As you can see in...
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SVG fill color transparency / alpha?

...nal attribute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent. For example: <rect ... fill="#044B94" fill-opacity="0.4"/> Additionally you have the following: stroke-opacity attribute for the stroke opacity for the ...