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python Programming Glossary: eachDifference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python easy to get into infinite recursion if objects reference each other . So Python cops out. Note that there is one default which..
http://stackoverflow.com/questions/15112125/if-x-or-y-or-z-blah the left hand operand is . When you use or python sees each side of the operator as separate expressions. The expression..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python primes primes. method 10000000 with method replaced by each of the method names. primes.py # usr bin env python import psyco..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained object this is a bit tricky Then your code will be run each time the for uses the generator. Now the hard part The first.. yield then it'll return the first value of the loop. Then each other call will run the loop you have written in the function.. min_dist max_dist # Here is the code that will be called each time you use the generator object # If there is still a child..
Unexpected feature in a Python list of lists http://stackoverflow.com/questions/240178/unexpected-feature-in-a-python-list-of-lists fix it you need to make sure that you create a new list at each position. One way to do it is 1 4 for n in range 3 share improve..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python s if ch not in exclude This is faster than s.replace with each char but won't perform as well as non pure python approaches..
Is there any way to kill a Thread in Python? http://stackoverflow.com/questions/323972/is-there-any-way-to-kill-a-thread-in-python your own threads is to have an exit_request flag that each threads checks on regular interval to see if it is time for..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat man years invested in just DMS and another 6 12 months in each reliable language definition including the one we painfully..
Using global variables in a function other than the one that created them http://stackoverflow.com/questions/423379/using-global-variables-in-a-function-other-than-the-one-that-created-them variable in other functions by declaring it as global in each function that assigns to it globvar 0 def set_globvar_to_one..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code gap bCamel bCamel bCamel bCamel That is just for 3 camels each. I wanted to do this for 4 at least. That test case is still..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows The official documentation tells users to install Pip and each its dependencies from source. That's tedious for the experienced..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script It not only gives the total running time but also times each function separately and tells you how many times each function.. each function separately and tells you how many times each function was called making it easy to determine where you should..
Python: Sort a dictionary by value http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python as the intermediate result list keeps getting longer at each step a new intermediate result list object gets allocated and.. loss of generality say you have L sublists of I items each the first I items are copied back and forth L 1 times the second.. list comprehension just generates one list once and copies each item over from its original place of residence to the result..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application received by SQLAlchemy's result set and or ORM layer. Each of these stages can present their own individual bottlenecks..
Why is the Borg pattern better than the Singleton pattern in Python http://stackoverflow.com/questions/1318406/why-is-the-borg-pattern-better-than-the-singleton-pattern-in-python you explicitly override the shared state in that subclass. Each subclass of the singleton pattern has its own state and therefore..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas manner where a row consists of a record of consumer data. Each row has the same number of columns for every record. This will..
How do I watch a file for changes using Python? http://stackoverflow.com/questions/182197/how-do-i-watch-a-file-for-changes-using-python by another process which I want to watch for changes. Each time a change occurrs I'd like to read the new data in to do..
How get sound input from microphone in python, and process it on the fly? http://stackoverflow.com/questions/1936828/how-get-sound-input-from-microphone-in-python-and-process-it-on-the-fly that reads from the device # will return this many frames. Each frame being 2 bytes long. # This means that the reads below..
What's the best SOAP client library for Python, and where is the documentation for it? [closed] http://stackoverflow.com/questions/206154/whats-the-best-soap-client-library-for-python-and-where-is-the-documentation-f moment I don't think there is a best Python SOAP library. Each of the mainstream ones available has its own pros and cons...
Can I use Python as a bash replacement? http://stackoverflow.com/questions/209470/can-i-use-python-as-a-bash-replacement do these more simply in Python. And bonus more quickly. Each separate Linux command in the shell with a few exceptions forks..
when does Python allocate new memory for identical strings? http://stackoverflow.com/questions/2123925/when-does-python-allocate-new-memory-for-identical-strings memory memory management share improve this question Each implementation of the Python language is free to make its own..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing is independent order of processing doesn't matter. Each part can run independently. Part 1 can place data on an input..
Python - merge items of two lists into a list of tuples http://stackoverflow.com/questions/2407398/python-merge-items-of-two-lists-into-a-list-of-tuples a of tuples from list_a and list_b list_c 1 5 2 6 3 7 4 8 Each member of list_c is a tuple whose first member is from list_a..
How can I use a DLL from Python http://stackoverflow.com/questions/252417/how-can-i-use-a-dll-from-python up more parameter information over and above the types . Each tuple in hllApiParams has a parameter direction 1 input 2 output..
How do I filter ForeignKey choices in a Django ModelForm? http://stackoverflow.com/questions/291945/how-do-i-filter-foreignkey-choices-in-a-django-modelform Companies each having a range of Rates and Clients . Each Client should have a base Rate that is chosen from it's parent..
Text Progress Bar in the Console http://stackoverflow.com/questions/3173320/text-progress-bar-in-the-console and download files from an FTP server using the ftplib. Each time some data chunks are downloaded I want to update a text..
How are Python's Built In Dictionaries Implemented http://stackoverflow.com/questions/327311/how-are-pythons-built-in-dictionaries-implemented sort of like an array so you can do O 1 lookup by index . Each slot in the table can store one and only one entry. This is.. table can store one and only one entry. This is important Each entry in the table actually a combination of the three values..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement of variables and create this number of partitions p . Each partition represents a probability mass of 1 p . In this case..
How to sort a list of objects in Python, based on an attribute of the objects? http://stackoverflow.com/questions/403421/how-to-sort-a-list-of-objects-in-python-based-on-an-attribute-of-the-objects Tag Tag actionscript Tag addresses Tag aes Tag ajax ... Each object has a count ut 1 .count 1L I need to sort the list by..
http://stackoverflow.com/questions/4576115/python-list-to-dictionary in Python whose entries conveniently map to a dictionary. Each even element represents the key to the dictionary and the following..
Combining two sorted lists in Python http://stackoverflow.com/questions/464342/combining-two-sorted-lists-in-python two sorted lists in Python I have two lists of objects. Each list is already sorted by a property of the object that is of..
Why is it “Easier to ask forgiveness than permission” in python, but not in Java? [closed] http://stackoverflow.com/questions/6092992/why-is-it-easier-to-ask-forgiveness-than-permission-in-python-but-not-in-java opening a file in Java are missing two important facts Each check involves a syscall and the sum of the extra syscalls is..
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