python Programming Glossary: existence

What is the difference between slice assignment that slices the whole list and direct assignment?

http://stackoverflow.com/questions/10155951/what-is-the-difference-between-slice-assignment-that-slices-the-whole-list-and-d

as in your example it will be reference counted out of existence after the iteration is complete. share improve this answer..

What is the most efficient string concatenation method in python?

http://stackoverflow.com/questions/1316887/what-is-the-most-efficient-string-concatenation-method-in-python

also that this is an old article and it predates the existence of things like ''.join although I guess string.joinfields is..

Check if a given key already exists in a dictionary

http://stackoverflow.com/questions/1602934/check-if-a-given-key-already-exists-in-a-dictionary

this question in is the intended way to test for the existence of a key in a dict . d dict for i in xrange 100 key i 10 if..

Using try vs if in python

http://stackoverflow.com/questions/1835756/using-try-vs-if-in-python

TypeError pass Related discussion Checking for member existence in Python python share improve this question You often.. permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption..

Python append() vs. + operator on lists, why do these give different results?

http://stackoverflow.com/questions/2022031/python-append-vs-operator-on-lists-why-do-these-give-different-results

Checking for member existence in Python

http://stackoverflow.com/questions/204308/checking-for-member-existence-in-python

for member existence in Python I regularly want to check if an object has a member..

What is the python “with” statement designed for? [closed]

http://stackoverflow.com/questions/3012488/what-is-the-python-with-statement-designed-for

lightly for several months and didn't even know of its existence Given its somewhat obscure status I thought it would be worth..

Global Variable from a different file Python

http://stackoverflow.com/questions/3400525/global-variable-from-a-different-file-python

you're doing it if everybody under the Sun forgot the very existence of the construct from ... import life would be so much better..

How to check if there exists a process with a given pid?

http://stackoverflow.com/questions/568271/how-to-check-if-there-exists-a-process-with-a-given-pid

otherwise. import os def check_pid pid Check For the existence of a unix pid. try os.kill pid 0 except OSError return False..

How does Python's “super” do the right thing?

http://stackoverflow.com/questions/607186/how-does-pythons-super-do-the-right-thing

This means B's call to super is somehow aware of C's existence in the overall class hierarchy. I know that super returns a.. returned by super in D's init definition communicate the existence of C to the object returned by super in B's init definition..

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

many people will consider first checking the file's existence a better practice IMO. java python coding style share improve..

run web app with gevent

http://stackoverflow.com/questions/7855343/run-web-app-with-gevent

is WSGI server implemented in Python. The reason for existence of gevent.pywsgi is libevent http having a few limitations such..

How do I check if a variable exists in Python?

http://stackoverflow.com/questions/843277/how-do-i-check-if-a-variable-exists-in-python

variables share improve this question To check the existence of a local variable if 'myVar' in locals # myVar exists. To.. variable if 'myVar' in locals # myVar exists. To check the existence of a global variable if 'myVar' in globals # myVar exists. To..

Construct a tree from list os file paths (Python) - Performance dependent

http://stackoverflow.com/questions/8484943/construct-a-tree-from-list-os-file-paths-python-performance-dependent

basically this allows to skip checking for the existence of a key and its initialisation if it is not there Directory..

How do I correctly clean up a Python object?

http://stackoverflow.com/questions/865115/how-do-i-correctly-clean-up-a-python-object

exception. I understand Python doesn't guarantee the existence of global variables member data in this context when __del__..