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How to sort mongodb with pymongo

...rameters. So if you want to sort by, let's say, id then you should .sort("_id", 1) For multiple fields: .sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)]) share | improve thi...
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How to write into a file in PHP?

... You can use a higher-level function like: file_put_contents($filename, $content); which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file. Docs: file_put_contents ...
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MySQL - length() vs char_length()

What's the main difference between length() and char_length() ? 2 Answers 2 ...
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find -exec with multiple commands

...e? this is failing: find ./* -exec grep -v 'COLD,' {} \; -exec egrep -i "my_string" {} \; – rajeev Jan 22 '13 at 16:08 53 ...
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How to use SSH to run a local shell script on a remote machine?

...xecute the local script on the remote server. plink root@MachineB -m local_script.sh If Machine A is a Unix-based system, you can use: ssh root@MachineB 'bash -s' < local_script.sh You shouldn't have to copy the script to the remote server to run it. ...
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Have a reloadData for a UITableView animate when changing

... Actually, it's very simple: [_tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade]; From the documentation: Calling this method causes the table view to ask its data source for new cells for the ...
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ng-app vs. data-ng-app, what is the difference?

...- and data- from the front of the element/attributes. Convert the :, -, or _-delimited name to camelCase. Here are some equivalent examples of elements that match ngBind: based on above statement below all are valid directives 1. ng-bind 2. ng:bind 3. ng_bind 4. data-ng-bind 5. x-ng-bind ...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

...al Parameters" http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_02 : ? Expands to the decimal exit status of the most recent pipeline (see Pipelines). man bash "Special Parameters": The shell treats several parameters specially. These parameters may only be refe...
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How to set the thumbnail image on HTML5 video?

...reload="metadata"> <source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4"> </video> share | improve this answer | follow ...
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?

...n import it, though. You have to do conda install C:\...PACKAGE-0.0.0-py27_0.tar.bz2 as described in stackoverflow.com/a/20750388/125507 – endolith Oct 16 '15 at 1:52 ...