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Mipmap drawables for icons

...when building an APK for hdpi devices. If you're building a single APK for all devices, then this doesn't really matter as the launcher can access the drawable resources for the desired density. The actual mipmap API from 4.3. I haven't used this and am not familiar with it. It's not used by the And...
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\d is less efficient than [0-9]

... \d checks all Unicode digits, while [0-9] is limited to these 10 characters. For example, Persian digits, ۱۲۳۴۵۶۷۸۹, are an example of Unicode digits which are matched with \d, but not [0-9]. You can generate a list of all su...
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Similar to jQuery .closest() but traversing descendants?

...found.length) break; // At least one match: break loop // Get all children of the current set $currentSet = $currentSet.children(); } return $found.first(); // Return first match of the collection } })(jQuery); ...
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Create RegExps on the fly using string variables

... With string literals this is easy enough. Not really! The example only replaces the first occurrence of string_to_replace. More commonly you want to replace all occurrences, in which case, you have to convert the string into a global (/.../g) RegExp. You can do this from a...
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What is the difference between bottom-up and top-down?

...-up approach (to dynamic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smaller problems. ...
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How does PHP 'foreach' actually work?

...r the simplest case is Traversable objects, as for these foreach is essentially only syntax sugar for code along these lines: foreach ($it as $k => $v) { /* ... */ } /* translates to: */ if ($it instanceof IteratorAggregate) { $it = $it->getIterator(); } for ($it->rewind(); $it->v...
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Eclipse: quick search on filename

... Eclipse does provide similar functions: Open Resource Shift+Ctrl+R for all resource files (including Java files) Open Type Shift+Ctrl+T for all Java classes in classpath. They also filter the list as you type. Note that they search all files of all opened projects in current workspace. ...
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?

...herent values for "Number of Spaces per indent" and "Tab Size". Additionally, you can check all the items in the Language combo and make sure they all use the general setting. You can also change it in a per-project fashion. Right click on the project icon, select Properties and review the For...
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How is Math.Pow() implemented in .NET Framework?

...k at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this: 4 Answers ...
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iPhone app in landscape mode, 2008 systems

...AutorotateToInterfaceOrientation properly everywhere" it means everywhere, all your fullscreen views. Hope it helps in this nightmare! An important reminder of the ADDITIONAL well-known problem at hand here: if you are trying to swap between MORE THAN ONE view (all landscape), IT SIMPLY DOES NOT WOR...