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How to copy a collection from one database to another in MongoDB
... is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<collection_name>'].insert(d); });
Please note that with this...
Why do I get “unresolved external symbol” errors when using templates? [duplicate]
When I write C++ code for a class using templates and split the code between a source (CPP) file and a header (H) file, I get a whole lot of "unresolved external symbol" errors when it comes to linking the final executible, despite the object file being correctly built and included in the linking. ...
How do I get the type of a variable?
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edited Feb 1 '18 at 18:35
Ernir
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How to use a filter in a controller?
I have written a filter function which will return data based on the argument you are passing. I want the same functionality in my controller. Is it possible to reuse the filter function in a controller?
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Form inside a form, is that alright? [duplicate]
Whether we can have a form inside another form?. Is there any problem with that.
9 Answers
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How can I run MongoDB as a Windows service?
How can I set up MongoDB so it can run as a Windows service?
29 Answers
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Official reasons for “Software caused connection abort: socket write error”
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edited Jan 13 '19 at 14:12
Alireza Noorali
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How do I know which version of Javascript I'm using?
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Wikipedia (or rather, the community on Wikipedia) keeps a pretty good up-to-date list here.
Most browsers are on 1.5 (though they have features of later versions)
Mozilla progresses with every dot release (they maintain the standard so that's not surpri...
HtmlSpecialChars equivalent in Javascript?
Apparently, this is harder to find than I thought it would be. And it even is so simple...
16 Answers
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Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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