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Random record from MongoDB
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Starting with the 3.2 release of MongoDB, you can get N random docs from a collection using the $sample aggregation pipeline operator:
// Get one random document from the mycoll collection.
db.mycoll.aggregate([{ $sample: { size: 1 } }])
If...
How to encode URL parameters?
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173
With PHP
echo urlencode("http://www.image.com/?username=unknown&password=unknown");
Resul...
How to remove leading zeros using C#
... that convert through IntXX) methods will not work for:
String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563219437859043758430587066748932647329814687194673219673294677438907385032758065763278963247982360675680570678407806473296472036...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
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223
Both of these operations restore a set of files to a previous state and are essentially faster, ...
How do I pass data between Activities in Android application?
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1314
The easiest way to do this would be to pass the session id to the signout activity in the Inte...
What are metaclasses in Python?
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edited Mar 4 '19 at 21:34
Cameron Savage
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answered Sep 19 '08 at 7:01
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Unable to hide welcome screen in Emacs
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answered Apr 13 '09 at 17:28
Bastien LéonardBastien Léonard
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SQL Server ':setvar' Error
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Josh Darnell
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answered Apr 21 '10 at 17:12
AndrewAndrew
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How to debug Ruby scripts [closed]
... Santilli 郝海东冠状病六四事件法轮功
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answered Nov 3 '11 at 12:20
horseyguyhorse...