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How to export collection to CSV in MongoDB?
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@karoly-horvath has it right. Fields are required for csv.
According to this bug in the MongoDB issue tracker https://jira.mongodb.org/browse/SERVER-4224 you MUST provide the fields when exporting to a csv. The docs are not clear on it. That is...
How to remove item from array by value? [duplicate]
Is there a method to remove an item from a JavaScript array?
37 Answers
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Creating a daemon in Linux
In Linux I want to add a daemon that cannot be stopped and which monitors filesystem changes.
If any changes are detected, it should write the path to the console where it was started plus a newline.
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How to read all files in a folder from Java?
...larFile)
.forEach(System.out::println);
}
The example uses try-with-resources pattern recommended in API guide. It ensures that no matter circumstances the stream will be closed.
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Fastest way to copy file in node.js
Project that I am working on (node.js) implies lots of operations with the file system (copying/reading/writing etc). I'd like to know which methods are the fastest, and I'd be happy to get an advice. Thanks.
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Convert string to title case with JavaScript
Is there a simple way to convert a string to title case? E.g. john smith becomes John Smith . I'm not looking for something complicated like John Resig's solution , just (hopefully) some kind of one- or two-liner.
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How to programmatically set style attribute in a view
I'm getting a view from the XML with the code below:
11 Answers
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How to use the 'main' parameter in package.json?
I have done quite some search already. However, still having doubts about the 'main' parameter in the package.json of a Node project.
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Add column with constant value to pandas dataframe [duplicate]
...ces are not aligned you get NaN wherever they aren't aligned. Play around with the reindex and align methods to gain some intuition for alignment works with objects that have partially, totally, and not-aligned-all aligned indices. For example here's how DataFrame.align() works with partially aligne...
Looping a video with AVFoundation AVPlayer?
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You can get a Notification when the player ends. Check AVPlayerItemDidPlayToEndTimeNotification
When setting up the player:
ObjC
avPlayer.actionAtItemEnd = AVPlayerActionAtItemEndNone;
[[NSNotificationCenter defaultCenter] addObserver:self
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