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Git: add vs push vs commit

...he remote repository. This figure from this git cheat sheet gives a good idea of the work flow git add isn't on the figure because the suggested way to commit is the combined git commit -a, but you can mentally add a git add to the change block to understand the flow. Lastly, the reason why push ...
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What does $$ mean in the shell?

... $$ is the process ID (PID) in bash. Using $$ is a bad idea, because it will usually create a race condition, and allow your shell-script to be subverted by an attacker. See, for example, all these people who created insecure temporary files and had to issue security advisories....
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iterating over and removing from a map [duplicate]

... really helped me. I'd never heard of Collections.singleton() and I had no idea you could remove elements from a map by calling removeAll() on values()! Thank you. – Paul Boddington Sep 1 '14 at 1:32 ...
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Is it possible to disable scrolling on a ViewPager

... I suggest another way to solve to this problem. The idea is wrapping your viewPager by a scrollView, so that when this scrollView is non-scrollable, your viewPager is non-scrollable too. Here is my XML layout: <HorizontalScrollView android:id="@+id/hor...
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Replace whitespaces with tabs in linux

... arg. I had to use trial and error to make the sed work. I have no idea why I had to escape the plus sign like this: ls -l | sed "s/ \+/ /g" – Jess Apr 11 '13 at 19:37 ...
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How can I make the Android emulator show the soft keyboard?

... I am using the AVD manager, and I'm intrigued by your idea, but (hilariously) every time I try to do it, it resets itself! I click New... Hardware property, select Keyboard Support, change the value to 'no', click edit/create, but when I edit it again or get info: Hardware Keyb...
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Changing image sizes proportionally using CSS?

... I see your point, @Simon, thank you. I mentioned I have no idea if the property will be supported everywhere, but even if it will not, we can use it as a starting point to google for alternatives which replace it. Another reason to post is that the answer would stay for some time whi...
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Remove all line breaks from a long string of text

...ystring.replace('\n', ' ').replace('\r', '') Note also, that it is a bad idea to call your variable string, as this shadows the module string. Another name I'd avoid but would love to use sometimes: file. For the same reason. ...
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Changing the browser zoom level

... yeah, totally not. Any idea for cross-browser? UPDATE: no need, just checked the post above! cheers – obzenner Sep 20 '13 at 14:58 ...
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Github: error cloning my private repository

... to mention the security ramifications of this. This seems like a terrible idea, particularly globally. – C. Helling Sep 13 '17 at 20:06 ...