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How can I use grep to show just filenames on Linux?
...t is searched, a pathname of (standard input) will
be written, in the POSIX locale. In other locales, standard input may be
replaced by something more appropriate in those locales.
You also do not need -H in this case.
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Unix command-line JSON parser? [closed]
Can anyone recommend a Unix (choose your flavor) JSON parser that could be used to introspect values from a JSON response in a pipeline?
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Execution time of C program
...10ms or lower, but on older Windows machines (from the Win98 era) it was closer to 60ms.
clock() is standard C; it works "everywhere". There are system-specific functions, such as getrusage() on Unix-like systems.
Java's System.currentTimeMillis() does not measure the same thing. It is a "wall clo...
Redis is single-threaded, then how does it do concurrent I/O?
Trying to grasp some basics of Redis I came across an interesting blog post .
2 Answers
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How do I see the current encoding of a file in Sublime Text?
...me Text in this session. Once saved by ST , it then reports 'UTF8' until closed (on re-opening the guessing starts over).
– mklement0
Dec 24 '15 at 3:48
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
... all sorts of line terminators. (Note that in addition to CRLF and LF, Mac OS-9 used CR alone, and there are still a few of those around. The Unicode standard (section 5.8) specifies a wide range of character sequences that should be recognized as line terminators; there's a list of them here.)
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python setup.py uninstall
...ramework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (most recent call l...
How do I return multiple values from a function? [closed]
...
Named tuples were added in 2.6 for this purpose. Also see os.stat for a similar builtin example.
>>> import collections
>>> Point = collections.namedtuple('Point', ['x', 'y'])
>>> p = Point(1, y=2)
>>> p.x, p.y
1 2
>>> p[0...
Unable to resolve host “” No address associated with hostname
...oblem. I have permissions set up correctly. URLConnection is working fine most of the time. But sometimes, i get this error several times in a row. It is especially hard to debug, since it only comes up from time to time...
– hendrix
Nov 22 '12 at 12:14
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Copy all the lines to clipboard
...pboard in VI editor. I tried y G but it's not using clipboard to store those lines.
25 Answers
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