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What special characters must be escaped in regular expressions?
.....]"
– nicolallias
May 22 '15 at 14:05
4
MAY be escaped is not the same as SHOULD be escaped. Th...
Bash tool to get nth line from a file
...00 -d$'\n' myfile.ascii
pgm_icnt = 0
real 5m12.156s
This one took 00:05:12.156 to run, which is much slower than the baseline! I'm not sure whether it read through the entire file or just up to line 50 million before stopping, but regardless this doesn't seem like a viable solution to the prob...
Compare dates in MySQL
...elow query,
select * from players
where
us_reg_date between '2000-07-05'
and
DATE_ADD('2011-11-10',INTERVAL 1 DAY)
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How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
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/* dateFormat (new Date (), "%Y-%m-%d %H:%M:%S", true) returns
"2012-05-18 05:37:21" */
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How to store a command in a variable in a shell script?
... later
stored_date=$(eval "date")
echo $stored_date
# => Thu Jan 15 11:05:30 EST 2015
# (wait a few seconds)
echo $stored_date
# => Thu Jan 15 11:05:30 EST 2015
Using eval, it is evaluated when eval is used
stored_date="date" # < storing the command itself
echo $(eval "$stored_date")
# ...
How to move all files including hidden files into parent directory via *
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answered Jan 15 '15 at 12:05
VanderstaaijVanderstaaij
51155 silver badges1313 bronze badges
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What is the best IDE to develop Android apps in? [closed]
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answered Nov 11 '09 at 15:05
Pierre-Antoine LaFayettePierre-Antoine LaFayette
22.7k88 gold badges4949 silver badges5757 bronze badges
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must appear in the GROUP BY clause or be used in an aggregate function
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answered Nov 1 '13 at 9:05
ypercubeᵀᴹypercubeᵀᴹ
102k1414 gold badges155155 silver badges216216 bronze badges
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Matplotlib 2 Subplots, 1 Colorbar
...x=1)
fig.subplots_adjust(right=0.8)
cbar_ax = fig.add_axes([0.85, 0.15, 0.05, 0.7])
fig.colorbar(im, cax=cbar_ax)
plt.show()
Note that the color range will be set by the last image plotted (that gave rise to im) even if the range of values is set by vmin and vmax. If another plot has, for exam...
MQTT客户端内置版使用指导 · App Inventor 2 中文网
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