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How to check if an array field contains a unique value or another array in MongoDB?
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Try this out:
db.blogpost.find({ 'tags' : 'tag1'}); //1
db.blogpost.find({ 'tags' : { $all : [ 'tag1', 'tag2' ] }}); //2
db.blogpost.find({ 'tags' : { $in : [ 'tag3', 'tag4' ] }}); //3
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gulp globbing- how to watch everything below directory
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179
The pattern for all files under all directories is usually ./src/less/**/*.* or ./src/less/**/...
Fastest way to convert an iterator to a list
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edited Sep 25 '10 at 18:41
answered Sep 24 '10 at 20:48
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is_file or file_exists in PHP
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169
is_file() will return false if the given path points to a directory. file_exists() will return...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
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edited Jul 23 '14 at 6:09
Noctis
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Parallel.ForEach vs Task.Run and Task.WhenAll
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163
In this case, the second method will asynchronously wait for the tasks to complete instead of ...
How to read the database table name of a Model instance?
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1 Answer
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Update one MySQL table with values from another
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210
UPDATE tobeupdated
INNER JOIN original ON (tobeupdated.value = original.value)
SET tobeupdated....
In Vim/Vi, how do you move the cursor to the end of the previous word?
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edited Jun 13 '16 at 19:27
Kenny Evitt
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