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Find all packages installed with easy_install/pip?
...pip-installer.org/en/latest/usage.html#pip-list
– keybits
May 26 '13 at 12:13
7
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How to join two sets in one line without using “|”
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If by join you mean union, try this:
set(list(s) + list(t))
It's a bit of a hack, but I can't think of a better one liner to do it.
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Python list subtraction operation
...item for item in x if tuple(item.items()) not in ys]
If your types are a bit more complicated (e.g., often you're dealing with JSON-compatible values, which are hashable, or lists or dicts whose values are recursively the same type), you can still use this solution. But some types just can't be co...
Where can I set environment variables that crontab will use?
...xample, my 'weekday' command looks like:
: "@(#)$Id: weekday.sh,v 1.10 2007/09/17 02:42:03 jleffler Exp $"
#
# Commands to be done each weekday
# Update ICSCOPE
n.updics
The 'daily' command is simpler:
: "@(#)$Id: daily.sh,v 1.5 1997/06/02 22:04:21 johnl Exp $"
#
# Comma...
Renaming the current file in Vim
... your boss... promoted out of coding into his true area of expertise: following development methodology fads and forcing them on the team.
– Stabledog
Apr 20 '13 at 13:03
3
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Remove non-utf8 characters from string
... 0xxxxxxx
| [\xC0-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx
| [\xE0-\xEF][\x80-\xBF]{2} # triple-byte sequences 1110xxxx 10xxxxxx * 2
| [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3
){1,100} # ....
What is an example of the simplest possible Socket.io example?
...uld find involved http.createServer(). but what if you want to include a bit of socket.io magic in an existing webpage? here is the absolute easiest and smallest example i could come up with.
this just returns a string passed from the console UPPERCASED.
app.js
var http = require('http');
va...
Is there a WebSocket client implemented for Python? [closed]
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Since I have been doing a bit of research in that field lately (Jan, '12), the most promising client is actually : WebSocket for Python. It support a normal socket that you can call like this :
ws = EchoClient('http://localhost:9000/ws')
The client...
How do function pointers in C work?
...nes by compiling your code by hand:
These string literals are bytes of 32-bit x86 machine code. 0xC3 is an x86 ret instruction.
You wouldn't normally write these by hand, you'd write in assembly language and then use an assembler like nasm to assemble it into a flat binary which you hexdump into ...
Starting python debugger automatically on error
...ling this behavior: %pdb. It does exactly what you described, maybe even a bit more (giving you more informative backtraces with syntax highlighting and code completion). It's definitely worth a try!
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