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How do I create directory if none exists using File class in Ruby?

...ect.title.gsub(/\s+/,"_")}-#{Time.new.strftime("%Y%m%d%H%M%S")}_screenshot.png"; @browser.take_screenshot(screenshotName) if scenario.failed? embed(screenshotName, "image/png", "SCREENSHOT") if scenario.failed? share ...
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Android View shadow

...ing software like Photoshop and draw it. Don't forget to save it as .9.png file (example: my_background.9.png) Read the documentation: Draw 9-patch Edit 2 An even better and less hard working solution is to use a CardView and set app:cardPreventCornerOverlap="false" to prevent views to overla...
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How to compare binary files to check if they are the same?

...nlike you I was after the differences in the files. hexdump tmp/Circle_24.png > tmp/hex1.txt hexdump /tmp/Circle_24.png > tmp/hex2.txt meld tmp/hex1.txt tmp/hex2.txt share | improve this an...
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Representing and solving a maze given an image

... # invoke: python mazesolver.py <mazefile> <outputfile>[.jpg|.png|etc.] base_img = Image.open(sys.argv[1]) base_pixels = base_img.load() path = BFS(start, end, base_pixels) path_img = Image.open(sys.argv[1]) path_pixels = path_img.load() for position in path: ...
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Semi-transparent color layer over background-image?

... Here it is: .background { background:url('../img/bg/diagonalnoise.png'); position: relative; } .layer { background-color: rgba(248, 247, 216, 0.7); position: absolute; top: 0; left: 0; width: 100%; height: 100%; } HTML for this: <div class="background">...
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Check if image exists on server using JavaScript?

... an image. It could be .pdf, .html, some random file renamed to *.jpg or *.png. If something ends with .jpg it doesn't mean it's 100% image :) – CoR Jun 16 '15 at 9:53 9 ...
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The simplest way to resize an UIImage?

... first tried out Trevor's additions to UIImage, but got some weird bugs on PNG's (something about the alpha channel). The accepted answer to this question worked out nicely though. – Sorig Nov 2 '10 at 22:11 ...
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Offset a background image from the right using CSS

...pretty cross browser solution that works perfectly: background: url('/img.png') no-repeat right center; border-right: 10px solid transparent; I used it since the CSS3 feature of specifying offsets proposed in the answer marked as solving the question is not supported in browsers so well yet. E.g....
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Asynchronously load images with jQuery

...ame across a cool new syntax for image encoding: <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhE..."/> So you can load the Image Base64 data using Ajax and then on completion you build the Base64 data string to the image! Great fun :). I recommend to use this site http://www.freeforma...
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What are the use-cases for Web Workers? [closed]

...This shouldn't be happening in JavaScript. Images are already compressed (PNG, JPEG) using algorithms designed to efficiently compress image data. Throwing another layer of compression on top can actually increase the data's size. For other types of data (eg a large JSON file), compression should...