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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()

...ost efficient since it does not even create an object, but new Date() is really just a thin wrapper about a long, so it is not far behind. Calendar, on the other hand, is relatively slow and very complex, since it has to deal with the considerably complexity and all the oddities that are inherent to...
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How to get value of selected radio button?

... @mzalazar No, every radio-button has its own ID but all have the same name which is what puts them into one group so if you select one the other one gets deselected. With Kamran Ahmed answer you can check which of the radio buttons in the group is selected and get only the val...
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Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?

... catching an EOF exception won't save you from all the other potential errors. – Padraic Cunningham Jul 16 '14 at 23:06 ...
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Https Connection Android

...r methods like createSocket() and getDefaultCipherSuites(). // Hint: they all just make a call to member FACTORY } FullX509TrustManager is a class that implements javax.net.ssl.X509TrustManager, yet none of the methods actually perform any work, get a sample here. Good Luck! ...
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“Debug certificate expired” error in Eclipse Android plugins

... Upon installation, the Android SDK generates a debug signing certificate for you in a keystore called debug.keystore. The Eclipse plug-in uses this certificate to sign each application build that is generated. Unfortunately a debug ...
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Remove unwanted parts from strings in a column

...place a number such as the number 12? If I do x.lstrip('12') it takes out all 1 and 2s. – Dave Oct 26 '16 at 21:19 add a comment  |  ...
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How to implode array with key and value without foreach in PHP

...is what the Author was asking for, but it should be noted that it is critically slower and that if you are storing this information via a database it would be vastly superior to both a loop and this to just use json_encode. Exhibit A: willem.stuursma.name/2010/11/22/… – Case...
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]

...map-textured quad, and evaluating curves in the shader is still computationally much more expensive than necessary. The best trade-off between "fast" and "quality" are still textured quads with a signed distance field texture. It is very slightly slower than using a plain normal textured quad, but ...
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Why is std::map implemented as a red-black tree?

...1) or O(log n) because the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferior to red-black trees. ...
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How can I custom-format the Autocomplete plug-in results?

...ue, redefining an internal function in a library, I have come to learn is called monkey-patching. Here's how I did it: function monkeyPatchAutocomplete() { // don't really need this, but in case I did, I could store it and chain var oldFn = $.ui.autocomplete.prototype._renderItem; ...