python Programming Glossary: core
How do I sort unicode strings alphabetically in Python? http://stackoverflow.com/questions/1097908/how-do-i-sort-unicode-strings-alphabetically-in-python and a lot more . It has Python bindings PyICU . Update The core difference in sorting between ICU and locale.strcoll is that..
Python: Possible to share in-memory data between 2 separate processes http://stackoverflow.com/questions/1268252/python-possible-to-share-in-memory-data-between-2-separate-processes Without some deep and dark rewriting of the Python core runtime to allow forcing of an allocator that uses a given segment.. where tasks communicate by message passing even in multi core systems using threading and shared address spaces the synchronization.. large areas of memory are actively modified by multiple cores at once are pushing people away . For example the multiprocessing..
What is a global interpreter lock (GIL)? http://stackoverflow.com/questions/1294382/what-is-a-global-interpreter-lock-gil to interpreter internals from different threads. On multi core systems it means that multiple threads can't effectively make.. multiple threads can't effectively make use of multiple cores. If the GIL didn't lead to this problem most people wouldn't.. as an issue because of the increasing prevalence of multi core systems. If you want to understand it in detail you can view..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas SAS for my day to day work and it is great for it's out of core support. However SAS is horrible as a piece of software for.. SAS with python and pandas but I currently lack an out of core workflow for large datasets. I'm not talking about big data..
What determines whether different Python processes are assigned to the same or different cores? http://stackoverflow.com/questions/15639779/what-determines-whether-different-python-processes-are-assigned-to-the-same-or-d Python processes are assigned to the same or different cores I am not sure whether this counts more as an OS issue but.. of each worker process being assigned to a different core I end up with all of them being assigned to the same core and.. core I end up with all of them being assigned to the same core and no performance gain. Here's a very trivial example... from..
Can you monkey patch methods on core types in python? http://stackoverflow.com/questions/192649/can-you-monkey-patch-methods-on-core-types-in-python you monkey patch methods on core types in python Ruby can add methods to the Number class and.. python Ruby can add methods to the Number class and other core types to get effects like 1.should_equal 1 But it seems like..
How Python web frameworks, WSGI and CGI fit together http://stackoverflow.com/questions/219110/how-python-web-frameworks-wsgi-and-cgi-fit-together Django via WSGI protocol Django has several django.core.handlers for the various interfaces. For mod_fastcgi Django.. integrates FLUP and the handler. For mod_wsgi there's a core handler for this. How to install WSGI support Follow these instructions...
Python: removing duplicates from a list of lists http://stackoverflow.com/questions/2213923/python-removing-duplicates-from-a-list-of-lists obsession with performance suggests this operation is at a core inner loop of your pushing the boundaries application it's worth..
Simple wrapping of C code with cython http://stackoverflow.com/questions/3046305/simple-wrapping-of-c-code-with-cython tagged distutils python import numpy from distutils.core import setup from distutils.extension import Extension from.. include_dirs numpy.get_include # ... site packages numpy core include language c # libraries # extra_compile_args ... .split.. Versions 2.6 include python2.6 I Pysite numpy core include O2 Wall @ o base.so # undefs nm gpv base.so egrep '^..
Django equivalent for count and group by http://stackoverflow.com/questions/327807/django-equivalent-for-count-and-group-by later you should use the real aggregation API anyway. The core aggregation support was already there in 1.0 it's just undocumented..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement samples from an unchanging list is the alias method. The core intuition is that we can create a set of equal sized bins for..
Differences between distribute, distutils, setuptools and distutils2? http://stackoverflow.com/questions/6344076/differences-between-distribute-distutils-setuptools-and-distutils2 monkey patching and magic that is frowned upon by Python core developers. Distribute is a fork of Setuptools that was started..
Python faster than compiled Haskell? http://stackoverflow.com/questions/10357663/python-faster-than-compiled-haskell 2.7.1 GHC version 7.0.4 Mac OSX 10.7.3 2.4GHz Intel Core i5 List generated by from random import shuffle a str a for..
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly halves to the index page one for the ORM and one for the Core. You cannot use SQLAlchemy effectively without understanding.. time for 100000 records 9.77570986748 secs SqlAlchemy Core Total time for 100000 records 0.568737983704 secs sqlite3 Total.. name 'NAME ' str i for i in range n print SqlAlchemy Core Total time for str n records str time.time t0 secs def init_sqlite3..
What is the fastest template system for Python? http://stackoverflow.com/questions/1324238/what-is-the-fastest-template-system-for-python a 10x1000 HTML table. Python 2.6.2 on a 3GHz Intel Core 2 Kid template 696.89 ms Kid template cElementTree 649.88 ms..
moving average function on numpy/scipy? [closed] http://stackoverflow.com/questions/14313510/moving-average-function-on-numpy-scipy particular domain specific function is perhaps due to the Core Team's discipline and fidelity to NumPy's prime directive provide..
Differences between Framework and non-Framework builds of Python on Mac OS X http://stackoverflow.com/questions/1444543/differences-between-framework-and-non-framework-builds-of-python-on-mac-os-x projects link by default to the Foundation UIKit and Core Graphics frameworks. Your code accesses the capabilities of..
Python: how do I install SciPy on 64 bit Windows? http://stackoverflow.com/questions/1517129/python-how-do-i-install-scipy-on-64-bit-windows SOFTWARE Python HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore 2.6 HKEY_LOCAL_MACHINE.. Python PythonCore HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore 2.6 HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore 2.6 Help HKEY_LOCAL_MACHINE.. PythonCore 2.6 HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore 2.6 Help HKEY_LOCAL_MACHINE SOFTWARE Python PythonCore 2.6 Help..
Homebrew + Python on mac os x 10.8: Fatal Python error: PyThreadState_Get: no current thread importing mapnik http://stackoverflow.com/questions/15678153/homebrew-python-on-mac-os-x-10-8-fatal-python-error-pythreadstate-get-no-cu 0x7fff978d3000 0x7fff97abdff7 com.apple.CoreFoundation 6.8 744.18 A60C3C9B 3764 3291 844C C487ACF77C2C System.. 3764 3291 844C C487ACF77C2C System Library Frameworks CoreFoundation.framework Versions A CoreFoundation External Modification.. Library Frameworks CoreFoundation.framework Versions A CoreFoundation External Modification Summary Calls made by other..
detect new or modified files with python http://stackoverflow.com/questions/1618853/detect-new-or-modified-files-with-python it uses for the file monitoring. I now see you use Fedora Core 2. Really version 2 That might be too old to use GIO in GLib...
How to learn how to program? http://stackoverflow.com/questions/1968320/how-to-learn-how-to-program computer at home get one. You don't need a brand new Dual Core processor to learn programming. Even an old machine would do..
Learning Python coming from PHP http://stackoverflow.com/questions/2561362/learning-python-coming-from-php looking for something slightly more comprehensive I wrote Core Python Programming specifically targeted towards programmers..
A simple Python deployment problem - a whole world of pain http://stackoverflow.com/questions/2741507/a-simple-python-deployment-problem-a-whole-world-of-pain by setuptools in combination with virtualenv and pip . Core ideas The trickiest part I've found is running a development..
How to select following sibling/xml tag using xpath http://stackoverflow.com/questions/3139402/how-to-select-following-sibling-xml-tag-using-xpath desc Intel td tr tr td class name Series td td class desc Core i5 td tr tr td class name Cores td td class desc 4 td tr tr.. Series td td class desc Core i5 td tr tr td class name Cores td td class desc 4 td tr tr td class name Socket td td class.. td td class desc Phenom II X4 td tr tr td class name Cores td td class desc 4 td tr tr td class name Socket td td class..
Which is faster in Python: x**.5 or math.sqrt(x)? http://stackoverflow.com/questions/327002/which-is-faster-in-python-x-5-or-math-sqrtx proc cpuinfo grep 'model name' head 1 model name Intel R Core TM i7 CPU 920 @ 2.67GHz To reproduce results get source git..
python tuple comparison http://stackoverflow.com/questions/5292303/python-tuple-comparison tuple comparison hey guys i have been reading the Core Python programming book and the author shows an example like..
numpy float: 10x slower than builtin in arithmetic operations? http://stackoverflow.com/questions/5956783/numpy-float-10x-slower-than-builtin-in-arithmetic-operations EDIT I rerun the code under the Windows 7 x64 Intel Core i7 930 @ 3.8GHz . Again the code is from datetime import datetime.. compared to the pure python float . My machine is Intel Core 2 Duo T9300 2.5GHz WinXP Professional 32 bit ActiveState Python..
How do I run Selenium in Xvfb? http://stackoverflow.com/questions/6183276/how-do-i-run-selenium-in-xvfb Linux 2.6.32 305 ec2 i386 05 08 31.233 INFO v2.0 b3 with Core v2.0 b3 05 08 32.121 INFO RemoteWebDriver instances should connect..
Why is splitting a string slower in C++ than Python? http://stackoverflow.com/questions/9378500/why-is-splitting-a-string-slower-in-c-than-python orders. My test machine is a Macbook Pro 2011 8GB Quad Core not that it matters much. I'm testing with a 20M line text file..
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