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SSL Error: CERT_UNTRUSTED while using npm command

I am trying to install express framework using npm command but getting following error. 7 Answers ...
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Easy way to print Perl array? (with a little formatting)

... Or, if you want to be really dirty: {local $,=', ';print @array}. – musiKk Apr 21 '11 at 7:57 10 ...
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr

...ing so i had to run open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg That didnt work for me at first because the version of CommandLineTools i had installed did not have the "Packages" folder. So i uninstalled and reinstalled like this: rm -rf /Library/Devel...
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IntelliJ not recognizing a particular file correctly, instead its stuck as a text file

... This worked for me, must have somehow accidentally added my filename. – Harrison Oct 7 '15 at 18:22 ...
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Why does cURL return error “(23) Failed writing body”?

... No. It might help with small documents but when it is too large to fit in the buffer cat uses the error will reappear.You could use -s to silence all error messages (and progress) if you don't need them. – Kaworu ...
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IPC performance: Named Pipe vs Socket

...peed testing, you should try socat, which is a very versatile program that allows you to create almost any kind of tunnel. share | improve this answer | follow ...
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argparse module How to add option without any argument?

... As @Felix Kling suggested use action='store_true': >>> from argparse import ArgumentParser >>> p = ArgumentParser() >>> _ = p.add_argument('-f', '--foo', action='store_true') >>> args = p.parse_args() >>> args.foo False &g...
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Check if a string contains a number

...it exists in the string, otherwise False. Demo: >>> king = 'I shall have 3 cakes' >>> num_there(king) True >>> servant = 'I do not have any cakes' >>> num_there(servant) False share ...
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PostgreSQL naming conventions

.... Postgresql treats identifiers case insensitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER...
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How do I programmatically click a link with javascript?

... Actually, so far it worked in all browsers I tried, including IE, Safari, Chrome, Firefox and Opera. – arik Jan 29 '12 at 17:17 ...