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How to make execution pause, sleep, wait for X seconds in R?
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145
See help(Sys.sleep).
For example, from ?Sys.sleep
testit <- function(x)
{
p1 <- pr...
Reference alias (calculated in SELECT) in WHERE clause
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edited Jun 25 '12 at 1:51
answered Jun 25 '12 at 0:54
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Why is setTimeout(fn, 0) sometimes useful?
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17 Answers
17
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How to only find files in a given directory, and ignore subdirectories using bash
...ant to limit the find to the first level you can do:
find /dev -maxdepth 1 -name 'abc-*'
... or if you particularly want to exclude the .udev directory, you can do:
find /dev -name '.udev' -prune -o -name 'abc-*' -print
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
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10 Answers
10
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Razor View Engine : An expression tree may not contain a dynamic operation
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301
It seems to me that you have an untyped view. By default, Razor views in MVC3 RC are typed as dy...
Why can't decimal numbers be represented exactly in binary?
... SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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A simple command line to download a remote maven2 artifact to the local repository?
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170
Since version 2.1 of the Maven Dependency Plugin, there is a dependency:get goal for this purp...
Accessing outside variable using anonymous function as params
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188
You have to use use as described in docs:
Closures may also inherit variables from the par...
Python pandas Filtering out nan from a data selection of a column of strings
...N:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
0 ...