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How to make return key on iPhone make keyboard disappear?
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How to display all methods of an object?
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Andy EAndy E
300k7575 gold badges456456 silver badges436436 bronze badges
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Why charset names are not constants?
...d have been made for those long ago. I don't know why they weren't.
JDK 1.4 did a great thing by introducing the Charset type. At this point, they wouldn't have wanted to provide String constants anymore, since the goal is to get everyone using Charset instances. So why not provide the six standard...
Using switch statement with a range of value in each case?
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edited Aug 23 '17 at 14:18
answered Jun 3 '12 at 20:49
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List directory in Go
...me)
– SquattingSlavInTracksuit
Oct 14 '19 at 12:41
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Select unique or distinct values from a list in UNIX shell script
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443
You might want to look at the uniq and sort applications.
./yourscript.ksh | sort | uniq
(...
MongoDB drop every database
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143
you can create a javascript loop that do the job and then execute it in the mongoconsole.
var ...
Why does JQuery have dollar signs everywhere?
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Márcio Souza Júnior
45855 silver badges1414 bronze badges
answered May 28 '12 at 15:55
T.J. CrowderT.J. Crowder
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Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
What does numpy.random.seed(0) do?
...numbers predictable
>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
With the seed reset (every time), the same set of numbers will appear every time.
If the r...