python Programming Glossary: letWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python Python I've mastered almost all the Python concepts well let's say they're just OO concepts but this one is tricky. I know.. Remember the function type The good old function that lets you know what type an object is print type 1 type 'int' print.. class '__main__.ObjectCreator' Well type has a completely different ability it can also create classes on the fly...
Is there any way to run Python on Android? http://stackoverflow.com/questions/101754/is-there-any-way-to-run-python-on-android Android but since Jython exists does anybody know a way to let the snake and the robot work together python android ase android..
Validate SSL certificates with Python http://stackoverflow.com/questions/1087227/validate-ssl-certificates-with-python certificate. Is there a good library somewhere that will let me connect to a site over HTTPS and verify its certificate in..
Showing the stack trace from a running Python application http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application stick it in site.py to have all python programs use it and let it run. At any point send the process a SIGUSR1 signal using.. point it is currently at showing you the stack trace and letting you manipulate the variables. Use control d EOF to continue..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python summarized well but surprisingly was too succinct. First let me reiterate the main points in Alex 䏭 post The default implementation..
Parsing XML with namespace in Python ElementTree http://stackoverflow.com/questions/14853243/parsing-xml-with-namespace-in-python-elementtree since the above xml has multiple nested namespaces. Kindly let me know how to change the code to find all the owl Class tags...
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python quite a special case a builtin type that exists only to let you use isinstance both str and Unicode subclass basestring..
http://stackoverflow.com/questions/1650591/whether-to-use-set-names I used to put SET NAMES utf8 on the top of every script to let the db know that my queries are utf8 encoded. Can anyone comment..
http://stackoverflow.com/questions/166944/calling-python-in-php Python script's standard output in php. popen will only let you read or write but not both. If you want both check out proc_open..
http://stackoverflow.com/questions/17160162/what-is-in-python-2-7 contains p ... and so on. The ... notation is a way to let you know this and to inform that it can't be represented Take..
Understanding kwargs in Python http://stackoverflow.com/questions/1769403/understanding-kwargs-in-python share improve this question You can use kwargs to let your functions take an arbitrary number of keyword arguments..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained library for metric spaces. This is the link to the complete source http well adjusted.de ~jrschulz mspace . python iterator.. generator Controlling a generator exhaustion class Bank # let's create a bank building ATMs ... crisis False ... def create_atm.. you can get an iterator from. Iterators are objects that let you iterate on iterables. More about it in this article about..
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 '__file__' is not defined Related questions with incomplete answers Python Find Path to File Being Run Python Path to current.. your main script is loaded by some other tool that doesn't let you import modules that are co located with your script then..
Import a module from a relative path http://stackoverflow.com/questions/279237/import-a-module-from-a-relative-path not always contains the path As a bonus this approach does let you force Python to use your module instead of the ones installed..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat error prone. I'll make use of Python's parser module which lets me fiddle with the Abstract Syntax Tree. Apparently the closest.. have any insights on how to make this less daunting please let me know. EDIT I am more interested in knowing what kinds of.. conversion rates or it is likely that you can't complete the manual part of the translation activity. Another key consideration..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array for large dogs. But generate_binary_structure wouldn't let me change the size of the array. Therefore I'm hoping that anyone..
http://stackoverflow.com/questions/489861/locking-a-file-in-python
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 work or are unclear due to changes in Xcode updates please let me know. I will make the necessary corrections. Open Xcode 4.. around on the web about all of this. Say Hello code completion auto indentation git integration and syntax highlighting...
How to know if an object has an attribute in Python http://stackoverflow.com/questions/610883/how-to-know-if-an-object-has-an-attribute-in-python to be there most of the time simply call it and either let the exception propagate or trap it with a try except block...
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference it and have the changes reflected in the outer scope. Now let's see what happens when we try to change the reference that.. nothing we can do to change the contents of the string Now let's try to change the reference def try_to_change_string_reference.. This doesn't change the way things are passed in but does let you get the information you want back out def return_a_whole_new_string..
Distributing my python scripts as jars with jython? http://stackoverflow.com/questions/1252965/distributing-my-python-scripts-as-jars-with-jython and runs it. Note that this is my first try at this class. Let me know if it needs improvement package org.python.util import..
Programmatically saving image to Django ImageField http://stackoverflow.com/questions/1308386/programmatically-saving-image-to-django-imagefield os.path.basename bit and a django.core.files.File object. Let me know if you have questions or need clarification. Edit for..
Comparing image in url to image in filesystem in python http://stackoverflow.com/questions/13875989/comparing-image-in-url-to-image-in-filesystem-in-python very simple method and it may be enough for your problem. Let us get started with examples. The images are in this order f..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas makes row subsetting much faster . enable compression. Let me know when you have questions share improve this answer..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python generator . The goal of __repr__ is to be unambiguous Let me come right out and say it I do not believe in debuggers...
Python: is using “..%(var)s..” % locals() a good practice? http://stackoverflow.com/questions/1550479/python-is-using-vars-locals-a-good-practice and I think that's where @S.Lott's answer is coming from. Let me explain some of the issues involved as they may not be obvious..
Is `import module` better coding style than `from module import function`? http://stackoverflow.com/questions/1744258/is-import-module-better-coding-style-than-from-module-import-function better coding style than `from module import function` Let from module import function be called the FMIF coding style... module import function be called the FMIF coding style. Let import module be called the IM coding style. Let from package.. style. Let import module be called the IM coding style. Let from package import module be called the FPIM coding style...
SQLite, python, unicode, and non-utf data http://stackoverflow.com/questions/2392732/sqlite-python-unicode-and-non-utf-data or one of you senior guys can update. Summary of answers Let me first state the goal as I understand it. The goal in processing..
How do I use subprocess.Popen to connect multiple processes by pipes? http://stackoverflow.com/questions/295459/how-do-i-use-subprocess-popen-to-connect-multiple-processes-by-pipes n awk_sort.wait Delegate part of the work to the shell. Let it connect two processes with a pipeline. You'd be a lot happier..
plotting results of hierarchical clustering ontop of a matrix of data in python http://stackoverflow.com/questions/2982929/plotting-results-of-hierarchical-clustering-ontop-of-a-matrix-of-data-in-python axcolor fig.show fig.savefig 'dendrogram.png' Good luck Let me know if you need more help. Edit For different colors adjust..
floating point equality in Python and in general http://stackoverflow.com/questions/3049101/floating-point-equality-in-python-and-in-general base_value factors units_to print ret ' ' 1.0 ' ' ret 1.0 Let me first say that I am pretty sure what is going on here. I..
How do threads work in Python, and what are common Python-threading specific pitfalls? http://stackoverflow.com/questions/31340/how-do-threads-work-in-python-and-what-are-common-python-threading-specific-pit utility computing From the last link an interesting quote Let me explain what all that means. Threads run inside the same..
How do I build a numpy array from a generator? http://stackoverflow.com/questions/367565/how-do-i-build-a-numpy-array-from-a-generator How can I build a numpy array out of a generator object Let me illustrate the problem import numpy def gimme ... for x in..
What is the best (idiomatic) way to check the type of a Python variable? [duplicate] http://stackoverflow.com/questions/378927/what-is-the-best-idiomatic-way-to-check-the-type-of-a-python-variable a dict as a case statement than an if elif else series. Let me elaborate on my use case. If a variable is a string I need..
Making moves w/ websockets and python / django ( / twisted? ) http://stackoverflow.com/questions/4363899/making-moves-w-websockets-and-python-django-twisted it might help you at some other point. How websockets work Let me explain shortly what a websocket is. A websocket starts as..
Python multiprocessing: sharing a large read-only object between processes? http://stackoverflow.com/questions/659865/python-multiprocessing-sharing-a-large-read-only-object-between-processes the definition of a database. Solution 3A load a database. Let the workers process the data in the database. Solution 3B create..
Python name mangling: When in doubt, do what? http://stackoverflow.com/questions/7456807/python-name-mangling-when-in-doubt-do-what there is a lot of reasons most of them controversial... Let us see some of them. Python has properties Most OO languages..
Reclassing an instance in Python http://stackoverflow.com/questions/990758/reclassing-an-instance-in-python A. # The garbage collector will take care of everything. # Let magic happen. C_Programmer.teach_C jeff jeff.greet jeff.hard_work..
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