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Why are margin/padding percentages in CSS always calculated against width?

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What is the difference between null and undefined in JavaScript?

...patibility. The link that you actually posted in your comment says halfway down the page "typeof null // object (bug in ECMAScript, should be null)" ! So please, show some search effort before commenting on down-votes – danwellman Jun 25 '14 at 18:33 ...
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Is there any “font smoothing” in Google Chrome?

... goes to stable is, as always, all about how fast we can root out and burn down any regressions. share | improve this answer | follow | ...
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Normalizing mousewheel speed across browsers

...elX : pX, pixelY : pY }; } The source code can be found here: https://github.com/facebook/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js share | improve this ans...
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Is there an easy way to add a border to the top and bottom of an Android View?

..." /> </shape> </item> </layer-list> The down side to this is that you have to specify an opaque background colour, as transparencies won't work. (At least i thought they did but i was mistaken). In the above example you can see that the solid colour of the first sh...
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NSLog the method name with Objective-C in iPhone

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What is the purpose of XORing a register with itself? [duplicate]

...computer security related industry. Please educate yourself before voting down on something. You can find more references here [The Art of Exploitation - Chapter 0x2a0][1] as well as sample shell code that doesn't contain 0s. [1] [books.google.es/… – kripto_ash ...
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lexers vs parsers

...ing level of the syntax. In practice, they're usually implemented as a top-down, recursive-descent parser which uses machine's procedure call stack to track the nesting level, and use recursively called procedures/functions for every non-terminal symbol in their syntax.But they can't handle with a c...
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Can you explain the HttpURLConnection connection process?

...? On the port named in the URL if any, otherwise 80 for HTTP and 443 for HTTPS. I believe this is documented. On which point can I know that I was able to successfully establish a connection? When you call getInputStream() or getOutputStream() or getResponseCode() without getting an exceptio...
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How do I upload a file with metadata using a REST web service?

...y fine to upload them both in one request. Sample request would be : POST https://target.com/myresources/resourcename HTTP/1.1 Accept: application/json Content-Type: multipart/form-data; boundary=-----------------------------28947758029299 Host: target.com -------------------------------28947...