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How do you debug a regex? [closed]
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When I get stuck on a regex I usually turn to this:
https://regexr.com/
Its perfect for quickly testing where something is going wrong.
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npm not working after clearing cache
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It should be
npm cache clean
See https://docs.npmjs.com/cli/cache.html
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How do I subtract minutes from a date in javascript?
...m/article/Perform-date-manipulations-based-on-adding-or-subtracting-time/
https://stackoverflow.com/a/12798270/1873386
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EC2 instance has no public DNS
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For me problem was in subnet settings.
Open https://console.aws.amazon.com/vpc
Go to subnets in left menu
Choose your subnet
Modify auto-assigning IP settings to enable
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Is there a VB.NET equivalent for C#'s '??' operator?
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Check Microsoft documentation about If Operator (Visual Basic) here: https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/operators/if-operator
If( [argument1,] argument2, argument3 )
Here are some examples (VB.Net)
' This statement prints TruePart, because the first arg...
Re-enabling window.alert in Chrome
...validation or whatever. Check this solution to detect and notify the user https://stackoverflow.com/a/23697435/1248536
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Javascript trick for 'paste as plain text` in execCommand
...lRanges();
selection.addRange(range);
}
};
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<body>
<textarea name="t1"></textarea>
<div style="border: 1px solid;" contenteditable="true">Edit me!</div>...
How do I change the cursor between Normal and Insert modes in Vim?
...f
:autocmd InsertEnter * set cul
:autocmd InsertLeave * set nocul
credit: https://gist.github.com/andyfowler/1195581
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CSS customized scroll bar in div
...(WebKit)
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollbar { }
::-webkit-scrollbar-button...
SQL JOIN vs IN performance?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...