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Trying to SSH into an Amazon Ec2 instance - permission error
...our key file must not be publicly viewable for SSH to work. Use this
command if needed: chmod 400 mykey.pem
400 protects it by making it read only and only for the owner.
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Is there a (repeat-last-command) in Emacs?
Frequently, I've dug into apropos and docs looking for something like the following only to give up to get back to the task at hand:
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Check if a number is int or float
... isinstance(False, (int, float)) = True), I needed not isinstance(n, bool) and isinstance(n, (int, float)) instead
– YTZ
Jun 7 at 16:53
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
I am currently trying to compile and test a small Android Application.
15 Answers
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Check if passed argument is file or directory in Bash
...n Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has spaces or other escapable characters are in the n...
Is there a Subversion command to reset the working copy?
Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc .
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$apply already in progress error
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Good article explaining evalAsync at panda-os.com/2015/01/angularjs-apply-digest-and-evalasync/…
– Chris Rae
May 13 '15 at 17:02
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How can I listen to the form submit event in javascript?
I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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Spring Data JPA - “No Property Found for Type” Exception
Well, I searched Google and found many results, but none of them was able to answer my problem. So, here it goes.
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View HTTP headers in Google Chrome?
...bout your exact version, but Chrome has a tab "Network" with several items and when I click on them I can see the headers on the right in a tab.
Press F12 on windows or ⌥⌘I on a mac to bring up the Chrome developer tools.
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