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How do I remove documents using Node.js Mongoose?
...ry, which has a remove function.
Update for Mongoose v5.5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findOneAndDelete() instead.
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Ways to circumvent the same-origin policy
...is to use custom HTTP headers to allow both the browser and the server to know enough about each other to determine if the request or response should succeed or fail.
For a simple request, one that uses either GET or POST with no custom headers and whose body is text/plain, the request is sent with...
Is optimisation level -O3 dangerous in g++?
...e, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would have used -O2.
By popular demand, here an addition:
-O3 and especially additional flags like -funroll-loops (not enabled by -O3) can ...
Simple Pivot Table to Count Unique Values
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=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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How do I find and view a TFS changeset by comment text?
..."End" button continuously)
Select all records, copy
Open Excel and paste
Now the Excel will allow you to search through comments (Excel's a native app, don't argue..).
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best way to get the key of a key/value javascript object
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You can now use spread operator for this purpose, it looks better: const [firstKey, ...rest] = Object.keys(obj);
– Nerlin
Dec 13 '17 at 21:08
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Using MemoryStore in production
... sessionStore.get(sessions[i], function() {} );
}
});
}
Now just call sessionCleanup periodically via setInterval() and you have automatic garbage collection for expired sessions. No more memory leaks.
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Shell one liner to prepend to a file
...table, and should not be relied upon for anything even vaguely important.
Now, with all that out of the way the answer was:
Creating another file descriptor for the file (exec 3<> yourfile) thence writing to that (>&3) seems to overcome the read/write on same file dilemma. Works for...
Vim: Delete buffer without losing the split window
...ch is so simple, not requiring and entire script to run it. In my VIMRC, I now have this mapped for CTRL+C: nnoremap <C-c> :bp\|bd #<CR>
– Cloud
Jul 12 '13 at 17:40
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Using StringWriter for XML Serialization
...Test ???</string>
As you can see, there is no error this time, but now there is data-loss ????.
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