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Negation in Python

I'm trying to create a directory if the path doesn't em>xm>ist, but the ! (not) operator doesn't work. I'm not sure how to negate in Python... What's the correct way to do this? ...
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“/usr/bin/ld: cannot find -lz”

... I had the em>xm>act same error, and like you, installing zlib1g-dev did not fim>xm> it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library. ...
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Scroll to the top of the page using JavaScript?

... 1 2 Nem>xm>t 2229 ...
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Number of processors/cores in command line

...running the following command to get the number of processors/cores in Linum>xm>: 10 Answers ...
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How do I create a random alpha-numeric string in C++?

...nst char alphanum[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWm>Xm>YZ" "abcdefghijklmnopqrstuvwm>xm>yz"; srand( (unsigned) time(NULL) * getpid()); for (int i = 0; i < len; ++i) tmp_s += alphanum[rand() % (sizeof(alphanum) - 1)]; return tmp_s; ...
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.../tmp levels=1:2 keys_zone=failover:100m inactive=10d mam>xm>_size=10g; upstream php { server 127.0.0.1:9000; server 127.0.0.1:9001; } server { listen 80; limit_conn perserver 1000; server_name *.m>xm>ip.io; root /usr/local/www; indem>xm> inde...
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How to count the number of true elements in a NumPy bool array

...e following. numpy.sum(boolarr) numpy.count_nonzero(boolarr) Here's an em>xm>ample: >>> import numpy as np >>> boolarr = np.array([[0, 0, 1], [1, 0, 1], [1, 0, 1]], dtype=np.bool) >>> boolarr array([[False, False, True], [ True, False, True], [ True, False,...
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What is the difference between `-fpic` and `-fPIC` gcc parameters?

... can't understand the difference between -fpic and -fPIC . Can someone em>xm>plain it, in a very simple and clear way? 2 Ans...
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What techniques can be used to define a class in JavaScript, and what are their trade-offs?

...e at least a couple of ways to go about doing that. What would be the syntam>xm> and why would it be done in that way? 19 Answe...
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Which mime type should I use for mp3

...26 knows better and uses audio/mp3... Go figure. – Num>xm> Apr 5 '13 at 11:31 22 Here is the Chromium...