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How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. 13 Answers 13 ...
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List all environment variables from the command line

Is it possible to list all environment variables from a Windows' command prompt? 8 Answers ...
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Get the length of a String

...ke this: func countElements<T>(x: T) -> T.IndexType.DistanceType and the return type doesn't accept the + operation. – MarkAurelius Jul 6 '14 at 6:21 291 ...
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Equivalent of *Nix 'which' command in PowerShell?

...customizing my profile in PowerShell was 'which'. New-Alias which get-command To add this to your profile, type this: "`nNew-Alias which get-command" | add-content $profile The `n at the start of the last line is to ensure it will start as a new line. ...
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Use a URL to link to a Google map with a marker on it

...maps/documentation/urls/guide You can use URLs in search, directions, map and street view modes. For example, to show the marker at specified position you can use the following URL: https://www.google.com/maps/search/?api=1&query=36.26577,-92.54324 For further details please read aforementio...
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Override Java System.currentTimeMillis for testing time sensitive code

...commend that instead of messing with the system clock, you bite the bullet and refactor that legacy code to use a replaceable clock. Ideally that should be done with dependency injection, but even if you used a replaceable singleton you would gain testability. This could almost be automated with se...
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How to get the parents of a merge commit in git?

Some git commands take the parent as a revision; others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent. ...
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Differences between socket.io and websockets

What are the differences between socket.io and websockets in node.js? Are they both server push technologies? The only differences I felt was, ...
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How to change CSS using jQuery?

... @Ender: using css() all the css is reset and only the css mentioned in this function persists. How can I only add css which is to be changed and retain previous css ? – SimpleGuy Sep 2 at 5:46 ...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

I am wondering how you can get the system CPU usage and present it in percent using bash, for example. 5 Answers ...