PyPy 1.8 Improves Performance, Maintains Business As Usual
cjsmith
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PyPy 1.8 has arrived, and brings with it a number of bug fixes and performance and memory improvements over the previous release.
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Hacking into Python Objects Internals
cjsmith
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Christian S. Perone provides an excellent tutorial on how to hack into Python Objects internals, allowing you to access fields like... more »
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Mixing R, Python, and Perl in 14 Lines of Code
cjsmith
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John Cook continues his post "Running Python and R inside Emacs" in which he explained how to execute independent code blocks in Emacs... more »
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Python 2.7 CSV Files with Unicode Characters
cjsmith
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The csv module in Python 2.7 is more-or-less hard-wired to work with ASCII and only ASCII. Sadly, we're often confronted with CSV files... more »
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Running Python and R Inside Emacs
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John Cook shows you how to enable support for Python and R inside Emacs, along with some of the basic possibilities for managing blocks... more »
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wxPython: Learning to Use Fonts
cjsmith
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Mike Driscoll continues his series on wxPython in this tutorial where he explains how to change the fonts using wx.Font and the widget's... more »
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"Understanding" RPython
cjsmith
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Dave Beazley's Chipy talk from January 12, 2012. This is a screen capture taken directly from a laptop with a live audio track. About 50... more »
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All Tests Passed - Have a Banana: Colored Output while doing TDD with DJango and Fabric
cjsmith
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David Winterbottom has an easy way to add custom colors and messages to Django while doing TDD. "All Tests Passed - Have a Banana!"
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Computing Convolution using Numpy's Kaiser Windows
cjsmith
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A convolution is a way to combine two sequences, x and w, to get a third sequence, y, that is a filtered version of x. Using Numpy's... more »
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What WSGI is
WSGI (Web Server Gateway Interface) is the standard for interfacing Python web applications with web servers. One of the Python syntax... more »
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Algorithm of the Week: Data Compression with Prefix Encoding
Prefix encoding, sometimes called front encoding, is yet another algorithm that tries to remove duplicated data in order to reduce its... more »
Installing a Django Application on Red Hat's OpenShift PAAS
cjsmith
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While taking Red Hat's OpenShift PAAS for a test drive recently, Ken Cochrane noticed a lack of Python documentation on the subject, so... more »
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Apache Log Parsing with Python
cjsmith
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Steven Lott provides a simple code snippet for parsing Apache logs in Python that makes the access log rows first-class Access-class... more »
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Easy way to reduce the size of png files
Step by step instructions of how to easily reduce the file size of png files, without reducing quality. Bash and python scripts included.
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Amon - Python-powered server monitoring, logging, and error reporting with JSON API
mon from Martin Rusev is a simple yet flexible way to add server monitoring, logging, and error tracking to your web stack. Amon consists... more »
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Multiprocessing using Python
Basically, the following example will be perfect for applications in which the exact same task has to be performed several times on unrelated data.
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wxPython: Showing 2 Filetypes in wx.FileDialog
cjsmith
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Mike Driscoll shows you how to make the wx.FileDialog display more than one file type at a time using the 'wildcard' variable.
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The importance of thinking the right thing
I've been fiddeling with type inference again -- this time I've actually got much further than before. This time, the algorithm can... more »
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Model Templates in Django without Denormalization
The model needed to represent the notion of a university module, which can be taught over a number of semesters and/or years, by... more »
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We Need To Talk About Binary Search.
Why is binary search so damn hard to get right? Why is it that 90% of programmers are unable to code up a binary search on the spot, even... more »
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Running Sentry on DotCloud
cjsmith
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Ken Cochrane has a great step-by-step post on how to run Sentry on DotCloud.
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wxPython: A Wizard Tutorial
Mike Driscoll takes a look at wxPython's Wizard Widget (the dialog that you see when you run an installer or set up a template) and... more »
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Local Directory vs. Local Guide
Kin's work with CityGrid places led him to the conclusion that user-centered local direction provides search mechanisms for finding local... more »
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Multiprocessing Goodness Part 1: Use Case
cjsmith
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The advantage of multiprocessing is to have multiple processes working on a problem. If we break a big problem into small, concurrent... more »
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Mocking Generator Methods in Python
cjsmith
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Another mock recipe, this one for mocking generator methods. A Python generator is a function or method that uses the yield statement to... more »
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