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Move entire line up and down in Vim

...at represents the ALT key. To input that character, use C+v, Esc in Vim (C+q, Esc on Windows). share | improve this answer | follow | ...
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No “pull” in Git Gui?

... Well, I found this useful forum post: http://git.661346.n2.nabble.com/No-quot-pull-quot-in-git-gui-td1121058.html A fetch and merge should be done. It seems you need to go to "Remote" menu, then "Fetch from" option , in my case origin, and then go to "Merge Menu" and then "Local Merge...". ...
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

... Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps. Stop current Postgres server: launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist Initialize a new 10.1 database: initdb /usr/local/var/pos...
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How are software license keys generated?

... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...
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Should I use `this` or `$scope`?

...th have their uses. First, some history ... $scope is the "classic" technique while "controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this). Both work perfectly well and the only wrong answer is to mix them in the same app w...
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Where should I put tags in HTML markup?

...ace to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since the JavaScript will have to be parsed before the page is rendered compl...
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Intellij IDEA show javadoc automatically

...A if I click Ctrl+Space I can see the auto-complete and if I click Ctrl+Q I can see the javadoc seperately. 3 Answers ...
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What is the difference between localStorage, sessionStorage, session and cookies?

...stion, and a lot of the pros/cons will be contextual to the situation. In all cases, these storage mechanisms will be specific to an individual browser on an individual computer/device. Any requirement to store data on an ongoing basis across sessions will need to involve your application server si...
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Specifying and saving a figure with exact size in pixels

...): plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi) So you basically just divide the dimensions in inches by your DPI. If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in ...
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Is an array name a pointer?

..., which is not implicitly convertible to int*. This way, functions can actually take pointers to arrays of specific size, and enforce the restriction via the type system. – Pavel Minaev Oct 29 '09 at 7:25 ...