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Foreign keys in mongo?
...{group:"phones"})
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940...
Why does base64 encoding require padding if the input length is not divisible by 3?
What is the purpose of padding in base64 encoding. The following is the extract from wikipedia:
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...ion on my system is 1 µs, but I also tested it on a Linux system (Red Hat 4.1.2-48 with GCC 4.1.2) and there the precision was only 1 ms.
gettimeofday() returns the wall-clock time with (nominally) µs precision. On my system this clock does seem to have µs precision, but this is not guaranteed, b...
What is the usefulness of PUT and DELETE HTTP request methods?
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Abort makefile if variable not set
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edited Feb 15 '19 at 11:04
answered Jun 1 '12 at 22:57
Eld...
What is private bytes, virtual bytes, working set?
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Python __str__ versus __unicode__
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answered Aug 20 '09 at 16:04
John MillikinJohn Millikin
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Easiest way to pass an AngularJS scope variable from directive to controller?
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Edited on 2014/8/25:
Here was where I forked it.
Thanks @anvarik.
Here is the JSFiddle. I forgot where I forked this. But this is a good example showing you the difference between = and @
<div ng-controller="MyCtrl">
<h2&...
font-style: italic vs oblique in CSS
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In the purest (type designer) sense, an oblique is a roman font that has been skewed a certain n...
Why JSF saves the state of UI components on server?
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HoldOffHunger
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answered Mar 29 '11 at 16:09
BalusCBalusC
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