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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

... what the relevant properties are that we're looking for. Looking at your post, I suggest: What time is measured by the clock? (real, user, system, or, hopefully not, wall-clock?) What is the precision of the clock? (s, ms, µs, or faster?) After how much time does the clock wrap around? Or is the...
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How to remove files and directories quickly via terminal (bash shell) [closed]

...rm -rf. Also note that what you're learning applies to bash on every Unix OS: OS X, Linux, FreeBSD, etc. In fact, rm's syntax is the same in pretty much every shell on every Unix OS. OS X, under the hood, is really a BSD Unix system. ...
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Why is it slower to iterate over a small string than a small list?

...rule out Tim Peter's 10-times-upvoted answer! >>> foo = iterable[123] >>> iterable[36] is foo True These are not new objects! But this is worth mentioning: indexing costs. The difference will likely be in the indexing, so remove the iteration and just index: >>> pytho...
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Parse config files, environment, and command-line arguments, to get a single collection of options

...iguration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also: ...
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Pandas - Get first row value of a given column

...ime'] = x does not work: In contrast, assignment with df.iloc[0]['bar'] = 123 does not work because df.iloc[0] is returning a copy: In [66]: df.iloc[0]['bar'] = 123 /home/unutbu/data/binky/bin/ipython:1: SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame Se...
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Random hash in Python

... I would've used os.urandom because wanting an MD5 hash might mean wanting a secure one. – Unknown Jun 11 '09 at 22:58 9 ...
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af

... Full disclosure - I'm the author of the previously mentioned talk in TLV DroidCon. I had a chance to examine this issue across many Android applications, and discuss it with other developers who encountered it - and we all got to the ...
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Renaming a virtualenv folder without breaking it

... using and so don't encounter the problem. – CoderGuy123 Nov 4 '16 at 18:06 Scratch that! Today I ran into a problem: ...
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How to configure Mac OS X term so that git has color? [closed]

I've seen a Mac OS X git demo online in which it's configured to have multiple colors. 6 Answers ...
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Asynchronous vs Multithreading - Is there a difference?

... @KumarVaibhav - the most common example is when a single thread works on items from a queue (for instance, the Windows message queue). If the program is in the habit of sending items into it's own queue (a common pattern) then the bit of code tha...