python Programming Glossary: coHow should I understand the output of dis.dis? http://stackoverflow.com/questions/12673074/how-should-i-understand-the-output-of-dis-dis to understand how to use dis the dissembler of Python bytecode . Specifically how should one interpret the output of dis.dis.. STORE_SLICE 1 I see that JUMP_IF_TRUE_OR_POP etc. are bytecode instructions although interestingly BUILD_SET does not appear.. this question You are trying to disassemble a string containing source code but that's not supported by dis.dis in Python..
Pythons many ways of string formatting ??are the older ones (going to be) deprecated? http://stackoverflow.com/questions/13451989/pythons-many-ways-of-string-formatting-are-the-older-ones-going-to-be-deprec of the Zen of Python String formatting options pros and cons treats only methods 1a and 1b in the question 1 and 2 in the.. described in String Formatting Operations in new code. However to maintain backwards compatibility and to make transition.. Operations in new code. However to maintain backwards compatibility and to make transition easier the old format has..
Python string 'join' is faster(?) than '+', but what's wrong here? http://stackoverflow.com/questions/1349311/python-string-join-is-faster-than-but-whats-wrong-here I asked the most efficient method for mass dynamic string concatenation in an earlier post and I was suggested to use the.. everyone said that . But while I was playing with string concatenations I found some weird results. I'm sure something is.. functions import timeit def x s for i in range 100 # Other codes here... s.append abcdefg i 7 return ''.join s def y s ''..
How to get/set local variables of a function (from outside) in Python? http://stackoverflow.com/questions/1360721/how-to-get-set-local-variables-of-a-function-from-outside-in-python to set a local variable say x from outside so that the commented line works I know it sounds weird . Thanks in advance... is the scenario I have an encrypted python source file containing a python function. A C extension module decrypts it.. a program's heap when it's not running. You can modify constants though if you really want to. def func a 10 print a co..
Authenticating against active directory using python + ldap http://stackoverflow.com/questions/140439/authenticating-against-active-directory-using-python-ldap ldap server DN Secret un sys.argv 1 4 Base dc mydomain dc co dc uk Scope ldap.SCOPE_SUBTREE Filter objectClass user sAMAccountName.. DN Secret un sys.argv 1 4 Base dc mydomain dc co dc uk Scope ldap.SCOPE_SUBTREE Filter objectClass user sAMAccountName.. uk Scope ldap.SCOPE_SUBTREE Filter objectClass user sAMAccountName un Attrs displayName l ldap.initialize Server l.protocol_version..
http://stackoverflow.com/questions/1541776/upgrade-python-to-2-6-on-mac this question Don't upgrade. Install ActivePython which co exists with others . Open Terminal Type python2.6 share improve..
Matplotlib: Aligning y-ticks to the left http://stackoverflow.com/questions/15882249/matplotlib-aligning-y-ticks-to-the-left so they end up inside the plot. So an alternative question could be can I change their starting point Code for demonstration.. matplotlib.pyplot as plt ticks Lorem ipsum dolor sit amet consectetur adipisicin g elit sed do eiusmod tempor incididunt.. Ut en im ad minim veniam quis nostr ud exercitation ullamco labo ris nisi ut aliquip ex ea c ommodo co nsequat. Duis aute..
A clean, lightweight alternative to Python's twisted? http://stackoverflow.com/questions/1824418/a-clean-lightweight-alternative-to-pythons-twisted ago I wrote a web spider that I multithreaded to enable concurrent requests to occur at the same time. That was in my Python.. GIL and the associated woes it creates for multithreaded code IE most of the time stuff just ends up serialized ... I'd.. stuff just ends up serialized ... I'd like to rework this code to make it more robust and perform better. There are basically..
Python deep getsizeof list with contents? http://stackoverflow.com/questions/2117255/python-deep-getsizeof-list-with-contents deep getsizeof list with contents I was surprised that sys.getsizeof 10000 x is 40036 regardless.. of x 0 a 1000 a . Is there a deep_getsizeof which properly considers elements that share memory The question came from looking.. played around with it too much myself but a few of my co workers have used it for memory profiling with good results...
How do I get the path of the current executed file in python? http://stackoverflow.com/questions/2632199/how-do-i-get-the-path-of-the-current-executed-file-in-python This may seem like a newbie question but it is not. Some common approaches don't work in all cases sys.argv 0 This means.. name '__file__' is not defined Related questions with incomplete answers Python Find Path to File Being Run Python Path.. being executed. After all sometimes the script didn't come from a file at all. For example it could come from the interactive..
Adding a scrollbar to a grid of widgets in Tkinter http://stackoverflow.com/questions/3085696/adding-a-scrollbar-to-a-grid-of-widgets-in-tkinter to parse entries from a log file and display the entry contents using Tkinter and so far it's been excellent. The output.. in a Canvas widget but you appear to have to use absolute co ordinates so I wouldn't be able to use the grid layout manager.. interface so this doesn't work mainframe Frame root yscrollcommand scrollbar.set Can anyone suggest a way round this limitation..
Getting Python under control on Mac OS X - setting up environment and libraries http://stackoverflow.com/questions/3487664/getting-python-under-control-on-mac-os-x-setting-up-environment-and-libraries Python under control on Mac OS X setting up environment and libraries After.. SRSLY Otherwise mostly TextMate and Git for version control. Django and Google App Engine etc... Now I'm preparing.. So what are your favourite approaches to organising the code and libraries and how have you wrestled the Mac into submission..
how to calculate the area of a polygon on the earth's surface using python http://stackoverflow.com/questions/4681737/how-to-calculate-the-area-of-a-polygon-on-the-earths-surface-using-python the center of your polygon project the polygon to the new coordinate system then calculate the area using standard planar.. of the state of Colorado in GeoJSON format type Polygon coordinates 102.05 41.0 102.05 37.0 109.05 37.0 109.05 41.0 All.. 102.05 41.0 102.05 37.0 109.05 37.0 109.05 41.0 All coordinates are longitude latitude. You can use pyproj to project..
enable pretty printing for gdb in eclipse cdt http://stackoverflow.com/questions/4985414/enable-pretty-printing-for-gdb-in-eclipse-cdt this done... I created a gdbinit and selected for my debug configuration but whenever I try to start debugging I get the following.. I get the following error Error while executing Python code. STACK 0 java.lang.Exception home lizardking workspace eu.sofia.kpi.cpp.x86.testapp.. eu.sofia.kpi.cpp.x86.testapp .gdbinit 6 Error in sourced command file Error while executing Python code. at org.eclipse.cdt.dsf.mi.service.command.AbstractMIControl..
What blocks Ruby, Python to get Javascript V8 speed? http://stackoverflow.com/questions/5168718/what-blocks-ruby-python-to-get-javascript-v8-speed optimizations e.g. inline caching V8 engine has Python is co developed by Google guys so it shouldn't be blocked by software.. have decades of experience I'm talking individually &ndash collectively it's more like centuries in creating high performance.. C. So at least in some cases Rubinius can generate better code than GCC Or this is rather matter of resources put into the..
Generating unique, ordered Pythagorean triplets http://stackoverflow.com/questions/575117/generating-unique-ordered-pythagorean-triplets Triples make a good example for claiming for loops considered harmful because for loops seduce us into thinking about.. harmful because for loops seduce us into thinking about counting often the most irrelevant part of a task. I'm going to.. irrelevant part of a task. I'm going to stick with pseudo code to avoid language biases and to keep the pseudo code streamlined..
Python out of memory on large CSV file (numpy) http://stackoverflow.com/questions/8956832/python-out-of-memory-on-large-csv-file-numpy CSV file that I try to read with python I need the median column wise. from numpy import def data return genfromtxt 'All.csv'.. is this Python 1545 malloc mmap size 16777216 failed error code 12 error can't allocate region set a breakpoint in malloc_error_break.. a 64bit MacOSX with 4GB of ram and both numpy and Python compiled in 64bit mode. How do I fix this Should I try a distributed..
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 non null values Blade_Type 401125 non null values Travel_Controls 401125 non null values Differential_Type 401125 non null.. values Differential_Type 401125 non null values Steering_Controls 401125 non null values dtypes float64 2 int64 6 object.. 401125 non null values dtypes float64 2 int64 6 object 45 Code to store the dataframe In 30 store pd.HDFStore 'test0.h5'..
Why are scripting languages (e.g. Perl, Python, Ruby) not suitable as shell languages? [closed] http://stackoverflow.com/questions/3637668/why-are-scripting-languages-e-g-perl-python-ruby-not-suitable-as-shell-lang just thoughtstreaming here in no particular order Python Co. are designed to be good at scripting. Bash Co. are designed.. Python Co. are designed to be good at scripting. Bash Co. are designed to be only good at scripting with absolutely no.. and non scripting Bash cares only about scripting. Bash Co. are untyped Python Co. are strongly typed which means that..
How to find out the summarized text of a given URL in python / Django? [on hold] http://stackoverflow.com/questions/626754/how-to-find-out-the-summarized-text-of-a-given-url-in-python-django Schering Plough Bid Seeks Science Link Descrption Merck Co. 䏭 41.1 billion purchase of Schering Plough Corp. adds experimental.. Merck Co. 䏭 41.1 billion purchase of Schering Plough Corp. adds experimental drugs for blood clots infections and schizophrenia..
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