大约有 18,000 项符合查询结果（耗时：0.0287秒） [XML]
Numbering rows within groups in a data frame
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Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$m>cat m>, FUN = seq_along)
or:
library(plyr)
ddply(df, .(m>cat m>), mutate, id = seq_along(val))
or:
library(dplyr)
df %>% group_by(m>cat m>) %>% mutate(id = row_number())
or (the most memory efficient, as it assigns by refere...
Coloring white space in git-diff's output
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Of course, you can also do git diff | m>cat m> -A | less -S if you're desperate, but in addition to the carriage returns, the m>cat m> will also display any colour highlighting escape codes literally.
– Paul Whittaker
Jul 16 '12 at 17...
Relative paths based on file lom>cat m>ion instead of current working directory [duplim>cat m>e]
..._path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
m>cat m> ../some.text
This will make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./m>cat m>.sh inside dir.
Note that this script only works if you're invoki...
How to pipe list of files returned by find command to m>cat m> to view all the files
...nd then getting a list of files. How do I pipe it to another utility like m>cat m> (so that m>cat m> displays the contents of all those files) and basically need to grep something from these files.
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How do I conm>cat m>enate two text files in PowerShell?
I am trying to replim>cat m>e the functionality of the m>cat m> command in Unix.
11 Answers
11...
How to display line numbers in 'less' (GNU)
...sed to colorize the line numbers and option -R to let less display colors: m>cat m> -n file.txt | sed 's/^[ 0-9]*[0-9]/\o033[34m&\o033[0m/' | less -R You may also customize LESSOPEN... Cheers ;)
– olibre
Aug 28 '13 at 11:11
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Syntax highlighting/colorizing m>cat m>
Is there a method to colorize the output of m>cat m> , the way grep does.
18 Answers
18
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How to redirect output with subprocess in Python?
...feeling I should've been using subprocess instead since it's a library dedim>cat m>ed to this task, although since I'm doing this just for myself I'll be fine using os.system this time.
– m>cat m>atemypythoncode
Feb 11 '11 at 2:53
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How to append contents of multiple files into one file
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You need the m>cat m> (short for conm>cat m>enate) command, with shell redirection (>) into your output file
m>cat m> 1.txt 2.txt 3.txt > 0.txt
share
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(13: Permission denied) while connecting to upstream:[nginx]
...twork_connect 1
Details
I checked for errors in the SELinux logs:
sudo m>cat m> /var/log/audit/audit.log | grep nginx | grep denied
And found that running the following commands fixed my issue:
sudo m>cat m> /var/log/audit/audit.log | grep nginx | grep denied | audit2allow -M mynginx
sudo semodule -i m...