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Executing a command stored in a variable from PowerShell

I have a command that I have build and stored in a variable in PowerShell. This command works if I do a Write-Host and copy and paste into a standard cmd.exe window. ...
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How can I stop .gitignore from appearing in the list of untracked files?

....gitignore file should be in your repository, so it should indeed be added and committed in, as git status suggests. It has to be a part of the repository tree, so that changes to it can be merged and so on. So, add it to your repository, it should not be gitignored. If you really want you can add...
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

On http://github.com developer keep the HTML, CSS, JavaScript and images files of the project. How can I see the HTML output in browser? ...
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javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)

...e second solution , @XmlRootElement(name="Group"). My class name is Group, and XML root element is Group, why I still need name="Group" – user496949 Mar 5 '11 at 11:15 ...
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What is the difference between Caching and Memoization?

I would like to know what the actual difference between caching and memoization is. As I see it, both involve avoiding repeated function calls to get data by storing it . ...
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What is the meaning of polyfills in HTML5?

...e, since it is used in conjunction with HTML5, but it's not part of HTML5, and you can have polyfills without having HTML5 (for example, to support CSS3 techniques you want). Here's a good post: http://remysharp.com/2010/10/08/what-is-a-polyfill/ Here's a comprehensive list of Polyfills and Shims...
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What does the 'b' character do in front of a string literal?

... Otherwise, is an answer for somebody who already understands it. – Rafael Eyng Oct 18 '19 at 1:37  |  show 1 more comment ...
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Python: most idiomatic way to convert None to empty string?

... keeping the else, but thanks for the str(s) tip so multiple types can be handled. nice! – Mark Harrison Jul 1 '09 at 9:39 13 ...
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CSRF Token necessary when using Stateless(= Sessionless) Authentication?

...teless apps) http://www.jamesward.com/2013/05/13/securing-single-page-apps-and-rest-services "The easiest way to do authentication without risking CSRF vulnerabilities is to simply avoid using cookies to identify the user" http://sitr.us/2011/08/26/cookies-are-bad-for-you.html "The biggest problem...
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Is there a command to refresh environment variables from the command prompt in Windows?

If I modify or add an environment variable I have to restart the command prompt. Is there a command I could execute that would do this without restarting CMD? ...