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What is the meaning of #XXX in code comments?
...0 is the origin of these labels? Do you know any older documents (from the Unix era) describing how to use these labels?
– Ярослав Рахматуллин
Aug 31 '18 at 8:26
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Where to find Java JDK Source Code? [closed]
...ime previously. Perhaps related to the difference in line termination b/w unix (LF) and windows (CRLF)?
– user4229245
Sep 13 '15 at 14:16
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Setting Curl's Timeout in PHP
...nd, you can use CURLOPT_TIMEOUT_MS, although there is a bug/"feature" on "Unix-like systems" that causes libcurl to timeout immediately if the value is < 1000 ms with the error "cURL Error (28): Timeout was reached". The explanation for this behavior is:
"If libcurl is built to use the standard...
Replace one substring for another string in shell script
...feature is not specified by POSIX — it's a Bash extension — so not all Unix shells implement it. For the relevant POSIX documentation, see The Open Group Technical Standard Base Specifications, Issue 7, the Shell & Utilities volume, §2.6.2 "Parameter Expansion".
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Bash command to sum a column of numbers [duplicate]
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@unhammer: I don't have access to 7th Edition UNIX and its version of awk any more. I don't know whether the one-line would have worked there, but I didn't try it back then when I learned awk. You're probably right; all current versions of awk are likely to support the...
Bash/sh - difference between && and ;
... 0).
This is covered in the bash manpage under Lists. I would expect any Unix-like shell to support both of these operators, but I don't know specifically about the Android shell.
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Really killing a process in Windows
....technet.com/markrussinovich/archive/2005/08/17/unkillable-processes.aspx
Unix based systems like Linux also have that problem where processes could survive a kill -9 if they are in what's known as "Uninterruptible sleep" (shown by top and ps as state D) at which point the processes sleep so well t...
Convert tabs to spaces in Notepad++
...e by case decision is not needed. It is exactly what the expand command in UNIX does
– Paralife
Apr 15 '11 at 9:38
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Efficiently test if a port is open on Linux?
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@Sean unix commands typically return '0' to indicate success and non-zero for failure. So '0' indicates that it successfully connected and non-zero that it didn't connect for some reason. Note, however, that some versions of 'nc' d...
find: missing argument to -exec
...ormation:
I have just tried using "find -exec" command on a Cygwin system (UNIX emulated on Windows), and there it seems that the backslash before the semicolon must be removed:
find ./ -name "blabla" -exec wc -l {} ;
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