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Get program execution time in the shell

... How is this used on a command like time -p i=x; while read line; do x=x; done < /path/to/file.txt? It immediatly returns 0.00 unless I don't put anything before the while loop.. what gives? – natli Dec 14 '12 at 21:45 ...
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rsync error: failed to set times on “/foo/bar”: Operation not permitted

... I was using rsync -avc, and adding -O was not helping. I then read that -a was the equiv to -rlptgoD which includes -t which I guess is overriding -O. So for me the fix was to use -rlpgoDvc – dlink Sep 21 '16 at 20:17 ...
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How to get Ruby / Homebrew / RVM to work on Yosemite?

...haven't made any changes to brew yet, here is what I recommend. Otherwise read further below. cd /System/Library/Frameworks/Ruby.framework/Versions/ sudo ln -s Current 1.8 brew update sudo unlink 1.8 Already made changes to brew files and stuck in a git mess? I tried to edit /usr/local/Librar...
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Compare floats in php

...less and they'd prefer 0.1 instead. And writing a number so that it can be read again in exactly the same way. As you see, it's not as clear-cut as you make it out to be. And for the record, you still want to compare floating-point numbers like I have shown because you can arrive at $a and $b via di...
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Flatten an irregular list of lists

... Using generator functions can make your example a little easier to read and probably boost the performance. Python 2 def flatten(l): for el in l: if isinstance(el, collections.Iterable) and not isinstance(el, basestring): for sub in flatten(el): yiel...
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Android - Package Name convention

...rmal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android). The reason for having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the appl...
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What are Aggregates and PODs and how/why are they special?

... How to read: This article is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in ...
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Is recursion a feature in and of itself?

...ed you marks for using a "feature" he hadn't taught yet, that was wrong. Reading between the lines, one possibility is that by using recursion, you avoided ever using a feature that was supposed to be a learning outcome for his course. For example, maybe you didn't use iteration at all, or maybe y...
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WAMP 403 Forbidden message on Windows 7

...ted when you actualy click on the put online button : forum.wampserver.com/read.php?1,119467,119546 – Pierre-Yves Guillemet Aug 12 '15 at 9:12 ...
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How do you make div elements display inline?

... Having read this question and the answers a couple of times, all I can do is assume that there's been quite a bit of editing going on, and my suspicion is that you've been given the incorrect answer based on not providing enough inf...