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Is there an equivalent to background-size: cover and contain for image elements?

...that on caniuse: caniuse.com/#search=background-att :) P.S. I think we can all rest assured that IE will never gain support for this feature and since there is no polyfill either, we're screwed or stuck with JS / CSS hacks until MS decides it is time to (finally) "murder" IE by removing it from Wind...
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Check if string contains only digits

...al jQuery competitors that existed then, before jQuery had yet to win out, all practiced prototype extensions. – balupton Sep 7 '19 at 17:38 add a comment  |...
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Set “this” variable easily?

... There are two methods defined for all functions in JavaScript, call(), and apply(). The function syntax looks like: call( /* object */, /* arguments... */ ); apply(/* object */, /* arguments[] */); What these functions do is call the function they were inv...
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What is the difference between a heuristic and an algorithm?

...A heuristic is still a kind of an algorithm, but one that will not explore all possible states of the problem, or will begin by exploring the most likely ones. Typical examples are from games. When writing a chess game program you could imagine trying every possible move at some depth level and app...
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Keyboard shortcut to “untab” (move a block of code to the left) in eclipse / aptana?

...ce. Any workarounds? I use shift-tab (outdent) to fix badly formatted code all the time. I miss NetBeans ... UPDATE: it works on multi-newlines, if the multi-lines have the same level of indentation. It should just continue outdenting the other lines that haven't reached the beginning of the new l...
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In PyCharm, how to go back to last location?

... All in all, it has nothing with PyCharm; In my case, there was a global key combo of another program, that masked Ctrl-Alt-Left I solve it by remapping "file > settings > keymap > main menu > navigate > back"...
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What does the line “#!/bin/sh” mean in a UNIX shell script?

... It's called a shebang, and tells the parent shell which interpreter should be used to execute the script. e.g. #!/usr/bin/perl <--perl script' #!/usr/bin/php <-- php script #!/bin/false <--- do-nothing script, because ...
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Protecting Java Source Code From Being Accessed [closed]

...t and then they uploaded it again as theirs. When I told my teacher it was all my work he did not believe me. 11 Answers ...
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Unable to Connect to GitHub.com For Cloning

... You are probably behind a firewall. Try cloning via https – that has a higher chance of not being blocked: git clone https://github.com/angular/angular-phonecat.git share ...
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Is there any use for unique_ptr with array?

... Some people do not have the luxury of using std::vector, even with allocators. Some people need a dynamically sized array, so std::array is out. And some people get their arrays from other code that is known to return an array; and that code isn't going to be rewritten to return a vector or ...