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How do I Convert DateTime.now to UTC in Ruby?

...DateTime and not Time? Time should include everything you need: irb(main):016:0> Time.now => Thu Apr 16 12:40:44 +0100 2009 share | improve this answer | follow ...
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Increase distance between text and title on the y-axis

... From ggplot2 2.0.0 you can use the margin = argument of element_text() to change the distance between the axis title and the numbers. Set the values of the margin on top, right, bottom, and left side of the element. ggplot(mpg, aes(cty, hw...
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Responsive iframe using Bootstrap

... answered Aug 10 '14 at 20:52 ChristinaChristina 31.5k1717 gold badges7474 silver badges117117 bronze badges ...
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Restart/undo conflict resolution in a single file

... answered Jan 19 '13 at 0:18 Alex KraussAlex Krauss 6,96144 gold badges2020 silver badges2626 bronze badges ...
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:not(:empty) CSS selector is not working?

... BoltClock♦BoltClock 601k141141 gold badges12621262 silver badges12641264 bronze badges ...
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How to convert a NumPy array to PIL image applying matplotlib colormap

...st ensure your NumPy array, myarray, is normalised with the max value at 1.0. Apply the colormap directly to myarray. Rescale to the 0-255 range. Convert to integers, using np.uint8(). Use Image.fromarray(). And you're done: from PIL import Image from matplotlib import cm im = Image.fromarray(np....
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How do I create a random alpha-numeric string in C++?

... +100 Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do w...
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How to Copy Contents of One Canvas to Another Canvas Locally

...tion passing it the source canvas directly destCtx.drawImage(sourceCanvas, 0, 0); Way faster than using an ImageData object or Image element. Note that sourceCanvas can be a HTMLImageElement, HTMLVideoElement, or a HTMLCanvasElement. As mentioned by Dave in a comment below this answer, you cannot...
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Converting integer to binary in python

... >>> '{0:08b}'.format(6) '00000110' Just to explain the parts of the formatting string: {} places a variable into a string 0 takes the variable at argument position 0 : adds formatting options for this variable (otherwise it wou...
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Check if value is in select list with JQuery

... 180 Use the Attribute Equals Selector var thevalue = 'foo'; var exists = 0 != $('#select-box option...