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How can I recall the argument of the previous bash command?
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!!:n where n is the 0-based position of the argument you want.
For example:
echo 'one' 'two'
# "one two"
echo !!:2
# "two"
The ! prefix is used to access previous commands.
Other useful commands:
!$ - last argument from previous command
!^...
How do I convert dates in a Pandas data frame to a 'date' data type?
...3-01-02
2 3 2013-01-03
In [32]: df['time'] = df['time'].astype('datetime64[ns]')
In [33]: df
Out[33]:
a time
0 1 2013-01-01 00:00:00
1 2 2013-01-02 00:00:00
2 3 2013-01-03 00:00:00
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How to increase IDE memory limit in IntelliJ IDEA on Mac?
...k like:
-Xms128m
-Xmx2048m
-XX:MaxPermSize=350m
-XX:ReservedCodeCacheSize=64m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
Copying the original file is important, as options are not added, they are replaced.
This way your custom options will be preserved between updates and application files...
Why does JavaScript only work after opening developer tools in IE once?
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This solution does not work on IE 11 on Windows 7 64-bit.
– Vikram
Aug 18 '17 at 8:51
1
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Insert space before capital letters
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Here is what i ended up using to convert a string to a title case, based on a few of the answers here:
str = str
.replace(/(_|-)/g, ' ')
.trim()
.replace(/\w\S*/g, function(str) {
return str.charAt(0).toUpperCase() + str.substr(1)
})
.replace(/([a-z])([A-Z])/g, '$1 $2')
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Fast check for NaN in NumPy
...ient way might be heavily dependent on the operating system. Anyway dot(.) based seems to be the most stable one.
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tmux set -g mouse-mode on doesn't work
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64
Just a quick heads-up to anyone else who is losing their mind right now:
https://github.com/tm...
ASP.NET 4.5 has not been registered on the Web server
...nd prompt as Administrator then launched C:\Windows\Microsoft.NET\Framework64\v4.0.30319>aspnet_regiis -i
– Sami-L
Dec 6 '12 at 20:51
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Set a cookie to never expire
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Beware that when 2018 comes around, if we're not using 64-bit PHP, that this will wrap around the 32-bit integer and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at...
How do I select a random value from an enumeration?
...afe and will start returning zeroes when it breaks. I've updated my answer based on this info.
– WHol
Aug 4 '15 at 15:23
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