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How to redirect stderr and stdout to different files in the same line in script?
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Just add them in one line command 2>> error 1>> output
However, note that >> is for appending if the file already has data. Whereas, > will overwrite any existing data in the file.
So, command 2> error 1> output if you do not want to append.
Ju...
Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
Create module variables in Ruby
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159
Ruby natively supports class variables in modules, so you can use class variables directly, an...
Format decimal for percentage values?
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answered Nov 24 '09 at 15:56
Michael HarenMichael Haren
93.9k3939 gold badges157157 silver badges198198 bronze badges
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What is `git diff --patience` for?
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186
You can read a post from Bram Cohen, the author of the patience diff algorithm, but I found th...
Is there a “vim runtime log”?
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169
running vim with the -V[N] option will do a pretty hefty runtime log, here N is the debug leve...
How do I interactively unstage a particular hunk in git?
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139
Try git reset --patch filename; this should do the opposite of git add --patch, according to t...
float64 with pandas to_csv
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163
As mentioned in the comments, it is a general floating point problem.
However you can use the...
How do I get the function name inside a function in PHP?
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edited Apr 11 '18 at 16:17
totymedli
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Get last result in interactive Python shell
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Underscore.
>>> 5+5
10
>>> _
10
>>> _ + 5
15
>>> _
15
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