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how to convert array values from string to int?
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You can achieve this by following code,
$integerIDs = array_map('intval', explode(',', $string)...
Difference between map, applymap and apply methods in Pandas
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Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book):
Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this:
In [116]: frame = DataFrame(np.random.randn(4, 3), ...
JavaScript equivalent to printf/String.Format
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How to jump from Intellij terminal to editor with shortcut
...ould be nice since I can jump from my editor to the terminal with Alt + F12 but I cannot do it the other way without using my mouse.
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Integrating MySQL with Python in Windows
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Download page for python-mysqldb. The page includes binaries for 32 and 64 bit versions of for ...
Reorder levels of a factor without changing order of values
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Use the levels argument of factor:
df <- data.frame(f = 1:4, g = letters[1:4])
df
# f g
#...
How to find where a method is defined at runtime?
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422
This is really late, but here's how you can find where a method is defined:
http://gist.github...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...TIME(s) PCOMM PID PPID RET ARGS
0.996 head 12101 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
0.996 head 12102 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /proc/uptime /proc/loadavg /proc/sys/fs/file-nr /proc/sys/kernel/hostname
0.998 ...