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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
I've been usually installed python packages through pip.
8 Answers
8
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Python creating a dictionary of lists
...r and more modern choice. setdefault is still useful in older versions of Python (prior to 2.5).
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Get path of executable
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There is no cross platform way that I know.
For Linux: readlink /proc/self/exe
Windows: GetModuleFileName
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...站）
https://www.haproxy.org/download/1.8/src/haproxy-1.8.14.tar.gz （下载地址）
http://cbonte.github.io/haproxy-dconv/1.8/configuration.html （文档Haproxy 1.8 文档）
HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理，支持虚拟主机，它是免费、...
What do (lambda) function closures capture?
Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code:
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Find duplicate lines in a file and count how many time each line was duplicated?
...u can use the more verbose --count flag too with the GNU version, e.g., on Linux:
sort <file> | uniq --count
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Resetting generator object in Python
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Look at implmentation(docs.python.org/library/itertools.html#itertools.tee) - this uses lazy load strategy, so items to list copied only on demand
– Dewfy
Aug 13 '09 at 13:23
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How to use the C socket API in C++ on z/OS
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I've had no trouble using the BSD sockets API in C++, in GNU/Linux. Here's the sample program I used:
#include <sys/socket.h>
int
main()
{
return AF_INET;
}
So my take on this is that z/OS is probably the complicating factor here, however, because I've never used z/OS bef...
Implementing slicing in __getitem__
...ing builtins types like list or tuple you must implements __getslice__ for python 2.X versions. see docs.python.org/2/reference/datamodel.html#object.__getslice__
– gregorySalvan
Aug 28 '14 at 5:17
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What exactly is Python multiprocessing Module's .join() Method Doing?
Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing.
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