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python Programming Glossary: ledKenKen puzzle addends: REDUX A (corrected) non-recursive algorithm http://stackoverflow.com/questions/1061590/kenken-puzzle-addends-redux-a-corrected-non-recursive-algorithm out that my original routine had a bug somewhere which led me to see what it was really trying to do. Thanks Lennart. chrispy..
WSGI file streaming with a generator http://stackoverflow.com/questions/11811404/wsgi-file-streaming-with-a-generator the scraps of information I've found on the internet have led me to think it ought to work. Basically I want to stream a file..
pandas: Frequency table for a single variable http://stackoverflow.com/questions/12207326/pandas-frequency-table-for-a-single-variable my_series 1 1 2 2 3 3 Lots of googling has led me to Series.describe and pandas.crosstabs but neither of these..
Python won't exit when called with absolute path from cron or subshell http://stackoverflow.com/questions/13790475/python-wont-exit-when-called-with-absolute-path-from-cron-or-subshell won't exit when called with absolute path from cron or subshell I have some python.. and they no longer exit correctly when the script is called with an absolute path. They will hang until the process is terminated... exception occurs Dec 9 13 33 44 rock abrt detected unhandled Python exception in ' var home wotstats test test.py' I ran..
How to trouble-shoot HDFStore Exception: cannot find the correct atom type http://stackoverflow.com/questions/15488809/how-to-trouble-shoot-hdfstore-exception-cannot-find-the-correct-atom-type massaging my data in various ways to no avail. I have googled this exception for days now gone through several google group.. 142765 non null values UsageBand 401125 non null values saledate 401125 non null values fiModelDesc 401125 non null values.. correct atom type dtype object items Index Usa geBand saledate fiModelDesc fiBaseModel fiSecondaryDesc fiModelSeries fiMo..
http://stackoverflow.com/questions/1556813/3d-math-library-for-python aimed at drawing on the screen googling for hours only led to 3d libraries bent on rendering something to the screen. i..
ode integration in python versus mathematica results http://stackoverflow.com/questions/16222302/ode-integration-in-python-versus-mathematica-results Mathematica and Python differ by 5000 something km . I am led to believe one program has a higher error tolerance when simulating..
Read Specific Columns from csv file with Python csv http://stackoverflow.com/questions/16503560/read-specific-columns-from-csv-file-with-python-csv say ID Name Zip and Phone . Code I've looked at has led me to believe I can call the specific column by its corresponding..
How to use a custom __init__ of an app engine Python model class properly? http://stackoverflow.com/questions/3279833/how-to-use-a-custom-init-of-an-app-engine-python-model-class-properly key_name and want to use that as key_name here too. This led me to a custom init class DeleteQueueItem db.Model Model to.. deleted via task queue. # URL path to the blog post is handled as key_name delete_when db.DateTimeProperty def __init__ self.. deleted via task queue. # URL path to the blog post is handled as key_name delete_when db.DateTimeProperty @classmethod def..
Difference between class foo and class foo(object) in Python http://stackoverflow.com/questions/332255/difference-between-class-foo-and-class-fooobject-in-python those defined by python class statements classes . This led to problems when you wanted to mix python types and builtin..
Why doesn't Python have multiline comments? http://stackoverflow.com/questions/397148/why-doesnt-python-have-multiline-comments technically speaking these are strings correct I've Googled and read the Python style guide but was unable to find a technical.. using triple quotes but I am a little curious as to what led to this design decision. Thanks python comments multiline ..
python resettable instance method memoization decorator http://stackoverflow.com/questions/4431703/python-resettable-instance-method-memoization-decorator I might have access to the cache as a class member. This led me down the path of learning about descriptors specifically.. 55 Is this clear and or possible Each time __get__ is called I get a brand new instance of the memoized class which loses.. that caches a function's return value each time it is called. If called later with the same arguments the cached value is..
Best way to run remote commands thru ssh in Twisted? http://stackoverflow.com/questions/4617507/best-way-to-run-remote-commands-thru-ssh-in-twisted I really want to use twisted.conch but my research led me to believe that its primarily intended to create SSHServers.. self._commandConnected commandConnected def openFailed self reason self._commandConnected.errback reason def channelOpen.. d.addErrback err ssh command copy to stdout failed d.addCallback lambda ignored reactor.stop reactor.run if __name__..
Is python exception handling more efficient than PHP and/or other languages? http://stackoverflow.com/questions/4717484/is-python-exception-handling-more-efficient-than-php-and-or-other-languages efficient than PHP and or other languages I have it drilled into my head that at least in PHP it is badbadmojo to use try..... compressed table and so on . This disparity in performance led to the general wisdom behind exceptions only do it for unusual..
Trouble using Vim's syn-include and syn-region to embed syntax highlighting http://stackoverflow.com/questions/5176972/trouble-using-vims-syn-include-and-syn-region-to-embed-syntax-highlighting questions that seem relevant but none of them have so far led to a solution http vim.wikia.com wiki Different_syntax_highlighting_within_regions_of_a_file..
What can change my floating point control word behind my back? http://stackoverflow.com/questions/7687673/what-can-change-my-floating-point-control-word-behind-my-back Python API through python2x.dll. This recent change has led to some very strange behaviour. The application has a batch.. word having changed even in a thread which has never called into the Python DLL. I know this sounds fantastical but as I..
Python: Optimizing Code Using SQLite3 + Mutagen http://stackoverflow.com/questions/8640701/python-optimizing-code-using-sqlite3-mutagen this critical part of code. The first improvement led to a reduced runtime of 21 30 but that's still horrible. I decided..
Why does python use both reference counting and mark-and-sweep for gc? http://stackoverflow.com/questions/9062209/why-does-python-use-both-reference-counting-and-mark-and-sweep-for-gc was no garbage collection for cyclic objects so cycles led to memory leaks. The C api's and data structures are based heavily..
Choosing between Java and Python http://stackoverflow.com/questions/954164/choosing-between-java-and-python bug count. However there is another team in our company led by one developer who is an enthusiastic Java developer. He has..
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