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In mongoDb, how do you remove an array element by its index?
...ex. In fact, this is an open issue http://jira.mongodb.org/browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({}, {$pull : {"interests" : null}})
Update: as mentioned in some of the comme...
NSDate beginning of day and end of day
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edited Jan 10 '18 at 22:54
shim
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How to loop through all the properties of a class?
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answered Feb 10 '09 at 7:47
BrannonBrannon
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How do I set $PATH such that `ssh user@host command` works?
...n:/usr/bin:/sbin:/bin:/usr/games). The remote machine is running Ubuntu 8.04.
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How to add anything in through jquery/javascript?
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You can select it and add to it as normal:
$('head').append('<link />');
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Official way to ask jQuery wait for all images to load before executing something
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How to go to a specific element on page? [duplicate]
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Reigel
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answered Jan 26 '11 at 5:47
mu is too sh...
Checking from shell script if a directory contains files
...ob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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How do I concatenate two strings in C?
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edited Jun 22 '18 at 9:00
Gaurang Tandon
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Log to the base 2 in python
...s the natural logarithm (base e) of x.
In [25]: math.log(8,2)
Out[25]: 3.0
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