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Center Oversized Image in Div

...mething like this. This should center any huge element in the middle vertically and horizontally with respect to its parent no matter both of their sizes. .parent { position: relative; overflow: hidden; //optionally set height and width, it will depend on the rest of the styling used } ...
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Regex: ignore case sensitivity

...ow can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase. ...
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How do I install Python OpenCV through Conda?

I'm trying to install OpenCV for Python through Anaconda , but I can't seem to figure this out. 41 Answers ...
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What is setup.py?

...ts and also from [I]Python prompts. It does the similar job of pip, easy_install etc., Using setup.py Let's start with some definitions: Package - A folder/directory that contains __init__.py file. Module - A valid python file with .py extension. Distribution - How one package relates to ...
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nonlocal keyword in Python 2.x

...nswer by Elias Zamaria, but contrary to that answer does handle multiple calls of the outer function correctly. The "variable" inner.y is local to the current call of outer. Only it isn't a variable, since that is forbidden, but an object attribute (the object being the function inner itself). This...
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C++ catching all exceptions

... try{ // ... } catch (...) { // ... } will catch all C++ exceptions, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no name...
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When is std::weak_ptr useful?

...want to keep them in memory, so you hold a strong pointer to them. Periodically, you scan the cache and decide which objects have not been accessed recently. You don't need to keep those in memory, so you get rid of the strong pointer. But what if that object is in use and some other code holds a s...
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Days between two dates? [duplicate]

...est for calendar checks. from datetime import timedelta, datetime def cal_days_diff(a,b): A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0) B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0) return (A - B).days if __name__ == '__main__': x = datetime...
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How do I calculate square root in Python?

...ethod can be computed as: sqrt = x**(float(1)/2) – VM_AI Sep 28 '18 at 10:41 add a comment  |  ...
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari

...y to stay inside the Mono VM most of the time, we do not know how Mono actually accesses the disk. It is also telling that our C# code uses SQLite.NET (https://github.com/praeclarum/sqlite-net). Identical fetches using the SQLite.NET code are also 2x slower than using Android's Java SQLite wrapper....