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How to copy a collection from one database to another in MongoDB
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The best way is to do a mongodump then mongorestore. You can select the collection via:
mongodump -d some_database -c some_collection
[Optionally, zip the dump (zip some_database.zip some_database/* -r) and scp it elsewhere]
Then restore it:
mongorestore -d some_other_db -c some_or_ot...
Best timestamp format for CSV/Excel?
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Go to the language settings in the Control Panel, then Format Options, select a locale and see the actual date format for the chosen locale used by Windows by default. Yes, that timestamp format is locale-sensitive. Excel uses those formats when parsing CSV.
Even further, if the locale uses cha...
What are some methods to debug Javascript inside of a UIWebView?
...e sure "Show Develop Menu in Menubar" is on.
From the Menu-bar (of Safari) select Develop -> iPhone Simulator -> [your webview page].
That's it !
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Adding command line options to CMake
...building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process.
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Fragments within Fragments
...e if you instantiate the Fragments within the xml layout after a tab was unselected and then reselected I would get the inflator error.
I solved this replacing all the fragments in xml with Linearlayouts and then useing a Fragment manager/ fragment transaction to instantiate the fragments everythi...
How to get Twitter-Bootstrap navigation to show active link?
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Use this instead to select active link in nav based on the current route without server code:
$(document).ready(function () {
$('a[href="' + this.location.pathname + '"]').parent().addClass('active');
});
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
...ed - but if you are absolutely sure about it, just right click on them and select "Forced Uninstall", and that's it. The most offending ones, especially the extensions with their "Uninstall" button disabled (grayed out) in VS, are perfectly safe to remove - they even warn if something else depends o...
How to annotate MYSQL autoincrement field with JPA annotations
...oblem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
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HTML5 Video Dimensions
...y further insight on this? PS1: I only tried this with URLs to local files selected using an file selector input element. PS2 : it does work on iOS Safari.
– Visionscaper
Mar 27 '16 at 18:40
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How to list the contents of a package using YUM?
... reading here
: if not heres a sample command to dump the contents
echo 'SELECT packages.name, GROUP_CONCAT(files.name, ", ") AS files FROM files JOIN packages ON (files.pkgKey = packages.pkgKey) GROUP BY packages.name LIMIT 10;' | sqlite3 -line /var/cache/yum/x86_64/7/base/gen/primary_db.sqlite
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