大约有 577 项符合查询结果（耗时：0.0267秒） [XML]
How to schedule a function to run every hour on Flask?
...oncept of application schedulers, but what I found here for APScheduler v3.3.1 , it's something a little bit different. I believe that for the newest versions, the package structure, class names, etc., have changed, so I'm putting here a fresh solution which I made recently, integrated with a basic ...
Split delimited strings in a column and insert as new rows [duplicate]
...p1[!temp1$V == "", c("Ind", "V")]
# Ind V
# 1.1 1 a
# 2.1 2 a
# 3.1 3 b
# 4.1 4 e
# 1.2 1 b
# 2.2 2 c
# 3.2 3 d
# 4.2 4 f
# 1.3 1 c
Another fairly direct alternative is:
stack(
setNames(
sapply(strsplit(mydf$V2, ","),
function(x) gsub("^\\s|\\s$",...
How to exclude a module from a Maven reactor build?
...
I had moved from 3.1 to 3.2.1 without any issues. But to be honest, you would have to do a build to figure it out.
– Yogesh_D
Aug 14 '14 at 6:14
...
Which is faster in Python: x**.5 or math.sqrt(x)?
...(x) is always faster than x**.5 on another machine (Ubuntu, Python 2.6 and 3.1):
$ python -mtimeit -s"from math import sqrt; x = 123" "x**.5"
10000000 loops, best of 3: 0.173 usec per loop
$ python -mtimeit -s"from math import sqrt; x = 123" "sqrt(x)"
10000000 loops, best of 3: 0.115 usec per loop
...
Change IPython/Jupyter notebook working directory
... Notice that this solution must be slightly changed with Ipython 3.1 as --pylab is not supported any longer. instead of ipython notebook "--pylab inline" write "ipython notebook"
– tagoma
Apr 5 '15 at 13:25
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Get Folder Size from Windows Command Line
...\dotnet
140,67 C:\my\Tools\vscode
97,33 C:\my\Tools\apache-jmeter-3.1
54,39 C:\my\Tools\mongoadmin
47,89 C:\my\Tools\Python27
35,22 C:\my\Tools\robomongo
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Check if all elements in a list are identical
... | | | | |
| s7 | 3.1 usec | 1.4 usec | 1.24 usec | 0.932 usec | 1.92 usec |
| s8 | 4.07 usec | 1.54 usec | 1.28 usec | 0.997 usec | 1.79 usec |
| s9 | 5.91 usec | 1.25 usec | 0.749 usec | 0.407 usec ...
Is it possible to make the -init method private in Objective-C?
...r version or switches? (I'm just using the default gcc switches with XCode 3.1)
– philsquared
Feb 17 '09 at 13:37
3
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Creating an R dataframe row-by-row
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is this still true in R 3.1 where this should be faster?
– userJT
Dec 11 '14 at 12:12
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Disable HttpClient logging
I am using commons-httpclient 3.1 in an integration test suite. The default logging for HttpClient is extremely noisy and I can't seem to turn it off. I've tried following the instructions here but none of them make any difference.
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