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Getting full URL of action in ASP.NET MVC [duplicate]
...nt method every time.
One way is to use JavaScript to get URL is window.location.href another - document.URL
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Save modifications in place with awk
...nges to file, similar to sed where I would use -i option to save modifications to a file.
8 Answers
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Using variables inside a bash heredoc
...s.
In your second example, the shell invokes sudo only with the parameter cat, and the redirection applies to the output of sudo cat as the original user. It'll work if you try:
sudo sh -c "cat > /path/to/outfile" <<EOT
my text...
EOT
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Multi-line string with extra space (preserved indentation)
...used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
cat > $FILE <<- EOM
Line 1.
Line 2.
EOM
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How to get a substring between two strings in PHP?
...k two strings? Let's say i have a $fullstring of "[tag]dogs[/tag] and [tag]cats[/tag]" and i want an array back which contains "dogs" and "cats".
– Leonard Schuetz
Jul 27 '15 at 22:36
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How to get full path of a file?
...nd it...
jcomeau@intrepid:~$ python -c 'import os; print(os.path.abspath("cat.wav"))'
/home/jcomeau/cat.wav
jcomeau@intrepid:~$ ls $PWD/cat.wav
/home/jcomeau/cat.wav
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Cluster analysis in R: determine the optimal number of clusters
.../cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans:
mydata <- d
wss <- (nrow(mydata)-1)*sum(apply(mydata,2,var))
for (i in 2:15) wss[i] <- sum(kmeans(mydata,
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Bash: infinite sleep (infinite blocking)
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sleep infinity does exactly what it suggests and works without cat abuse.
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How to add \newpage in Rmarkdown in a smart way?
...elcome! You have already accepted the answer (green mark); that is the indication that the problem is solved. It is enough for this question, though other users may still add their answers or comments. Here on SO closing questions is a vote-based tool that locks not-so-good questions or even deletes...
What does set -e mean in a bash script?
... pipeline still run, even with set -o errexit. For example: echo success | cat - <(echo piping); echo continues, where echo success represents a successful, but fallible command, will print success, piping, and continues, but false | cat - <(echo piping); echo continues, with false representin...