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How to quit android application programmatically

I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely? ...
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Responsive image align center bootstrap 3

...ablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem? ...
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Internal vs. Private Access Modifiers

What is the difference between the internal and private access modifiers in C#? 7 Answers ...
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Passing an Array as Arguments, not an Array, in PHP

... as a list of arguments for a function, dereferencing the array into the standard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments. ...
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Rounding a double to turn it into an int (java)

...stead of just casting to an int; a double can hold quite a range of values and you probably don't want to silently throw out the most significant bits if your double is larger than you expect. – othp Mar 1 '18 at 16:38 ...
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Multiple variables in a 'with' statement?

... It is possible in Python 3 since v3.1 and Python 2.7. The new with syntax supports multiple context managers: with A() as a, B() as b, C() as c: doSomething(a,b,c) Unlike the contextlib.nested, this guarantees that a and b will have their __exit__()'s cal...
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Rails: where does the infamous “current_user” come from?

I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
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How to automatically convert strongly typed enum into int?

... Strongly typed enums aiming to solve multiple problems and not only scoping problem as you mentioned in your question: Provide type safety, thus eliminating implicit conversion to integer by integral promotion. Specify underlying types. Provide strong scoping. Thus, it is imp...
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How to fix “Attempted relative import in non-package” even with __init__.py

...s could use quite a bit more detail, given the popularity of this question and answer. Noting stuff like from what directory to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow ...
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When to use Spring Integration vs. Camel?

...cause the fluent API is really nice. We actually use it in Spring projects and use Spring to configure part of it. The programming API's are clear and there is a large set of sensible components. We did a small scale shootout and basically at that time for our requirement Camel won. We use it main...