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How to wait for a keypress in R?
...}
onKeybd <- function(key)
{
keyPressed <<- key
}
xaxis=c(1:10) # Set up the x-axis.
yaxis=runif(10,min=0,max=1) # Set up the y-axis.
plot(xaxis,yaxis)
for (i in xaxis)
{
# On each keypress, color the points on the graph in red, one by one.
points(i,yaxis[i],col="red", pch=19...
Does const mean thread-safe in C++11?
...rue...
This is what the Standard Language has to say on thread-safety:
[1.10/4]
Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
[1.10/21]
The execution of a program contains a data race if it contai...
Creating hard and soft links using PowerShell
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– Cameron Oakenleaf
Sep 23 '17 at 5:10
2
@SergeVoloshenko It sure does. True, using New-Item does...
Difference between jQuery’s .hide() and setting CSS to display: none
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answered Dec 9 '10 at 10:09
Stephan MullerStephan Muller
24.2k1313 gold badges7575 silver badges116116 bronze badges
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...lf.
– Daniel Hilgarth
Apr 19 '13 at 10:00
4
This is good to know, because sometimes one gets the ...
How to automatically reload a page after a given period of inactivity
...dow.location.reload(true);
else
setTimeout(refresh, 10000);
}
setTimeout(refresh, 10000);
</script>
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Statistics: combinations in Python
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answered Jun 11 '10 at 18:29
Jouni K. SeppänenJouni K. Seppänen
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Default value of BOOL
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answered May 27 '10 at 9:05
kennytmkennytm
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Function to Calculate Median in SQL Server
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2019 UPDATE: In the 10 years since I wrote this answer, more solutions have been uncovered that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate...