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How to execute mongo commands through shell scripts?
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You can also evaluate a command using the --eval flag, if it is just a single command.
mongo --eval "printjson(db.serverStatus())"
Please note: if you are using Mongo operators, starting with a $ sign, you'll want to surround the eval argument in single quotes to keep the shel...
How to leave/exit/deactivate a Python virtualenv
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$ deactivate
which puts things back to normal.
I have just looked specifically again at the code for virtualenvwrapper, and, yes, it too supports deactivate as the way to escape from all virtualenvs.
If you are trying to leave an Anaconda environment, the command depends upon your version of c...
Take a full page screenshot with Firefox on the command-line
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The Developer Toolbar GCLI and Shift+F2 shortcut were removed in Firefox version 60. To take a screenshot in 60 or newer:
press Ctrl+Shift+K to open the developer console (⌥ Option+⌘ Command+K on macOS)
type :screenshot or :screenshot --fullpage
Fin...
showDialog deprecated. What's the alternative?
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Deprecated isn't the same thing as gone. If a deprecated function still works, and an alternative isn't available on the older platforms I want to support, I go ahead and use it anyway.
– Edward Falk
Sep 14 '12 at 19:07
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Is it valid to replace http:// with // in a ?
...relative URL without a scheme (http: or https:) is valid, per RFC 3986: "Uniform Resource Identifier (URI): Generic Syntax", Section 4.2. If a client chokes on it, then it's the client's fault because they're not complying with the URI syntax specified in the RFC.
Your example is valid and should ...
How to correctly close a feature branch in Mercurial?
...a repository you will end up with the latest commit in the default branch. If you use bookmarks, this changeset corresponds to a random (unstable) bookmark. If you use named branches, you will get the latest commit in the stable/default branch, which is usually what you want. Bookmarks will get ther...
Play/pause HTML 5 video using JQuery
...of how to do this with the native DOM functions. The jQuery equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0).play(). (get gets the native DOM element from the jQuery selection.)
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git-checkout older revision of a file under a new name
...ntax is described in git rev-parse manpage, next to last point in the "Specifying revisions" section:
<rev>:<path>, e.g. HEAD:README, :README, master:./README
A suffix : followed by a path names the blob or tree at the given path in the tree-ish object named by the part ...
Rails respond_with: how does it work?
...oducing more default behavior. Read actions calling to_xml/to_json for specific formats, and mutator actions providing the same as well as redirects for successful mutator actions.
There are a few opportunities to customize how responders behave, from subtle tweaks to completly overriding or exte...
Hide Console Window in C# Console Application
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Remove the Console.ReadLine. It doesn't make any sense if you don't have a console window.
– Dirk Vollmar
Oct 4 '10 at 8:37
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