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iOS 7's blurred overlay effect using CSS?

It seems Apple's overlay is more than just a transparency. Any ideas on how to achieve this effect with CSS and possibly JS? ...
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RAII and smart pointers in C++

...ght want to avoid the cost of copying it. Therefore, we might come up with idea of returning by reference or by pointer. std::string* foo() { std::string str; // Do cool things to or using str return &str; } Unfortunately, this code doesn't work. We're returning a pointer to str -...
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WebDriver: check if an element exists? [duplicate]

... As the comment stated, this is in C# not Java but the idea is the same. I've researched this issue extensively and ultimately the issue is, FindElement always returns an exception when the element doesn't exist. There isn't an overloaded option that allows you to get null or a...
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iPhone: Detecting user inactivity/idle time since last screen touch

...ried tracking via touchesBegan: and touchesMoved:, but no improvement. Any ideas? – Greg Maletic Mar 21 '13 at 18:22 3 ...
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Indenting #defines

...ertion. But in any case, it appears that all modern compilers support the idea of indenting pre-processor macro. I do not have a copy of the C or C++ standard though so I do not know if this is standard behavior or not. As to whether or not it's good style. Personally, I like the idea of keepi...
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Internal typedefs in C++ - good style or bad style?

...hat it does not do. If I see 'Foo::Ptr' in the code, I have absolutely no idea whether it's a shared_ptr or a Foo* (STL has ::pointer typedefs that are T*, remember) or whatever. Esp. if it's a shared pointer, I don't provide a typedef at all, but keep the shared_ptr use explicitly in the code. Ac...
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How to hide action bar before activity is created, and then show it again?

...me extra logic to check if this is the first showing of the Activity. The idea is to delay a little the hiding of the ActionBar. In a way we let the ActionBar be shown, but then hide it immediately. Thus we go beyond the first non-animated showing and next showing will be considered second, thus it...
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app

... The main idea from this is not portecle but importing certificates into the right keystore. – Alfabravo Jul 23 '12 at 17:45 ...
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When to use a View instead of a Table?

... simple count(*) of the records. Views calling views are an extremely poor idea. Views are often a bad idea to use to update records as usually you can only update fields from the same table (again this is SQL Server, other databases may vary). If that's the case, it makes more sense to directly up...
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Matplotlib 2 Subplots, 1 Colorbar

... Indeed works with tight_layout, but I have no idea how to add a label to that colorbar. It doesn't accept the kws label, title, text... anything! And the docs don't help much. – TomCho Jul 21 '17 at 21:30 ...