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What is the Difference Between read() and recv() , and Between send() and write()?
...e slightly more specialized (for instance, you can set a flag to ignore SIGPIPE, or to send out-of-band messages...).
Functions read()/write() are the universal file descriptor functions working on all descriptors.
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How to read the content of a file to a string in C?
...nswered Oct 6 '08 at 14:37
Nils PipenbrinckNils Pipenbrinck
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How to create Android Facebook Key Hash?
...s me an error: "... Expressions are only allowed as the first element of a pipeline. At line:1 char:184 ... Unexpected token 'sha1' in expression or statement. ... Expressions are only allowed as the first element of a pipeline. ... Unexpected token 'base64' in expression or statement. + Categor...
How to deal with “data of class uneval” error from ggplot2?
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This error could also happen if you forget to pipe ggplot with +. I accidentally used dplyr's %>% operator and ggplot didn't get the lines it needed to complete the plot.
– Dan Jarratt
Sep 8 '17 at 21:08
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...r example is Postfix, which uses multiple daemons that communicate through pipes, and only one or two of them (which do very little except accept or emit bytes) run as root and the rest run at a lower privilege.
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Worth switching to zsh for casual use? [closed]
... basically have to either make do with what the other program provides, or pipe its output through a program like grep, awk, or sed (all fairly complex in their own right).
– cHao
Nov 16 '13 at 3:14
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Retrieve database or any other file from the Internal Storage using run-as
...flow.com/a/18472135/1778421 if you would prefer you could also add another pipe on the host side to unpack the files
– Alex P.
Jul 10 '17 at 8:35
How do I use sudo to redirect output to a location I don't have permission to write to?
...ropriate permission to execute the command that creates the output, if you pipe the output of your command to tee, you only need to elevate tee's privledges with sudo and direct tee to write (or append) to the file in question.
in the example given in the question that would mean:
ls -hal /root/ |...
In Bash, how can I check if a string begins with some value?
...must use strings. But nesting function calls with strings is not possible, pipes are not possible, etc.)
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How to iterate through all git branches using bash script
... ^origin/master
git log --oneline 'refs/heads/pu' ^origin/master
You can pipe this output into sh.
If you do not like the idea of generating the shell code, you could give up a bit of robustness* and do this:
for branch in $(git for-each-ref --format='%(refname)' refs/heads/); do
git log --o...