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How to speed up insertion performance in PostgreSQL
...and if you are comfortable with binary data.
Here is an example recipe in Python, using psycopg2 with binary input.
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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...ulation of Quantiles and Histograms without Storing Observations in a neat Python module I wrote called LiveStats. It should solve your problem quite effectively. The library supports every statistic that you mention except for mode. I have not yet found a satisfactory solution for mode estimation.
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On localhost, how do I pick a free port number?
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Not the answer you're looking for? Browse other questions tagged python sockets ipc port or ask your own question.
How do you match only valid roman numerals with a regular expression?
...s (requires at least one Roman numeral letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
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How to check whether an object has certain method/property?
... commonplace pattern in pretty much any modern dynamic scripting language (Python, Javascript, VB script, PHP, Lua... I could go on and on). It's not a bug, it's a feature.
– Tim Keating
Dec 3 '11 at 14:36
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Does SQLAlchemy have an equivalent of Django's get_or_create?
...e updated using a {} as a default value in the function as this is typical Python gotcha. Thanks for the comment, Nigel! If your curious about this gotcha, check out this StackOverflow question and this blog post.
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How to unit test an object with database queries
...however I'm sure you could perhaps get something similar working under PHP/Python.
Hope this helps.
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Why do some claim that Java's implementation of generics is bad?
...re plenty of examples of large, successful systems built in languages like Python and Ruby that do exactly what I suggested in my answer.
– Clint Miller
Feb 7 '09 at 15:14
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What killed my process and why?
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Use dmesg to see kernel log: here I find my python processes killed by kernel due to extreme virtual memory consumption.
– caneta
Aug 28 '13 at 7:43
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How to search for occurrences of more than one space between words in a line
...ces, you can use this and replace it with a single space
\s+
example in python
result = re.sub('\s+',' ', data))
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