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Canvas width and height in HTML5

... 390 The canvas DOM element has .height and .width properties that correspond to the height="…" and...
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MySQL - Rows to Columns

...temvalue | +--------+----------+-----------+ | 1 | A | 10 | | 1 | B | 3 | | 2 | A | 9 | | 2 | C | 40 | +--------+----------+-----------+ This will be our goal, the pretty pivot table: select * from history_itemvalue_piv...
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Can I set an opacity only to the background image of a div?

...ndex: 1; } .myDiv .bg { position: absolute; z-index: -1; top: 0; bottom: 0; left: 0; right: 0; background: url(test.jpg) center center; opacity: .4; width: 100%; height: 100%; } See test case on jsFiddle :before and ::before pseudo-element Another trick i...
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Select the values of one property on all objects of an array in PowerShell

...erPropname – Bassie Aug 2 '16 at 14:03 2 @Bassie: Accessing a property at the collection level to...
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user

... answered Oct 11 '12 at 17:02 OctavioOctavio 2,12922 gold badges99 silver badges33 bronze badges ...
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How can I force division to be floating point? Division keeps rounding down to 0?

... I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a . 11 Answers ...
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How do I measure execution time of a command on the Windows command line?

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How to toggle a value in Python

What is the most efficient way to toggle between 0 and 1 ? 17 Answers 17 ...
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Best way to represent a fraction in Java?

... //only numerator should be negative. if(denominator.signum() < 0) { numerator = numerator.negate(); denominator = denominator.negate(); } //create a reduced fraction BigInteger gcd = numerator.gcd(denominator); this.numerator = numerator.divide(gcd); ...
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Removing white space around a saved image in matplotlib

...lab flag.) plt.gca().set_axis_off() plt.subplots_adjust(top = 1, bottom = 0, right = 1, left = 0, hspace = 0, wspace = 0) plt.margins(0,0) plt.gca().xaxis.set_major_locator(plt.NullLocator()) plt.gca().yaxis.set_major_locator(plt.NullLocator()) plt.savefig("filename.pdf", bbox_inches =...