🌐 Mailman 3 November 2011 - Python-list - python.org

merits of Lisp vs Python
by Mark Tarver Jan. 12, 2018

Jan. 12, 2018

How do you compare Python to Lisp? What specific advantages do you think that one has over the other? Note I'm not a Python person and I have no axes to grind here. This is just a question for my general education. Mark

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Why "flat is better than nested"?
by kj Dec. 22, 2017

Dec. 22, 2017

In "The Zen of Python", one of the "maxims" is "flat is better than nested"? Why? Can anyone give me a concrete example that illustrates this point? TIA! ~kj PS: My question should not be construed as a defense for "nested". I have no particular preference for either flat or nested; it all depends on the situation; I would have asked the same question if the maxim had been "nested is better than flat".

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Re: urllib2 urlopen takes too much time
by aahz＠pythoncraft.com Dec. 3, 2017

Dec. 3, 2017

In article <mailman.1916.1245600033.8015.python-list(a)python.org>, =?UTF-8?Q?Filip_Gruszczy=C5=84ski?= <gruszczy(a)gmail.com> wrote: > >I have encountered a performance problem using suds, which was traced >down to _socket.recv. I am calling some web services and each of them >uses about 0.2 sec and 99% of this time is spent on urllib2.urlopen, >while the rest of the call is finished in milliseconds. What happens if you use urlopen() by itself? -- Aahz (aahz(a)pythoncraft.com) <*> http://www.pythoncraft.com/ "as long as we like the same operating system, things are cool." --piranha

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How to add months to a date (datetime object)?
by tinnews＠isbd.co.uk Nov. 22, 2017

Nov. 22, 2017

I have a date in the form of a datetime object and I want to add (for example) three months to it. At the moment I can't see any very obvious way of doing this. I need something like:- myDate = datetime.date.today() inc = datetime.timedelta(months=3) myDate += inc but, of course, timedelta doesn't know about months. I had a look at the calendar object but that didn't seem to help much. -- Chris Green

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ANN: obfuscate 0.2.2
by Steven D'Aprano Nov. 14, 2017

Nov. 14, 2017

I am pleased to announce the first stable release of obfuscate, version 0.2.2. http://pypi.python.org/pypi/obfuscate/ obfuscate is a pure-Python module providing classical encryption algorithms suitable for obfuscating and unobfuscating text. This is a maintenance release of back-end and API changes but no new ciphers. This should be considered the first stable API for obfuscate. obfuscate includes the following ciphers: - rot13, rot5, rot18, rot47 - atbash - Caesar cipher - Keyword - Affine - Playfair, Playfair6, Playfair16 - frob (xor) - Vigenere - RailFence - plus others. DISCLAIMER: obfuscate is not cryptographically strong, and should not be used where high security is required. obfuscate is released under the MIT licence. Requires Python 2.5 or 2.6. -- Steven

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Best way to insert sorted in a list
by SherjilOzair Sept. 8, 2017

Sept. 8, 2017

There are basically two ways to go about this. One is, to append the new value, and then sort the list. Another is to traverse the list, and insert the new value at the appropriate position. The second one's complexity is O(N), while the first one's is O(N * log N). Still, the second one works much better, because C code is being used instead of pythons. Still, being a programmer, using the first way (a.insert(x); a.sort()), does not feel right. What has the community to say about this ? What is the best (fastest) way to insert sorted in a list ?

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copy locked files
by rubbishemail＠web.de Aug. 31, 2017

Aug. 31, 2017

Hello, do you know of any way to copy locked / opened files under win xp? I know there is something like "Volume Shadow Copy" but I don't know how to use it. Maybe someone already has a python solution? Many thanks Daniel

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Feature suggestion -- return if true
by zildjohn01 Aug. 25, 2017

Aug. 25, 2017

This is an idea I've had bouncing around in my head for a long time now. I propose the following syntax: return? expr be expanded to _temp = expr if _temp: return _temp It's a pattern I use all the time in my code, and although it's a bit unorthodox, IMO it's concise, readable, and easily understandable. Thoughts?

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July 14, 2017

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perl + python tutorial available for download
by Xah May 7, 2017

May 7, 2017

my perl and python tutorial http://xahlee.org/perl-python/index.html is now available for download for offline reading. Download link at the bottom. Xah ∑ http://xahlee.org/ ☄

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