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Can I use __init__.py to define global variables?
...modules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access that variable from these modules?
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Import module from subfolder
...ant to import subfolders as modules. Therefore every subfolder contains a __init__.py . My folder structure is like this:
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Multiprocessing vs Threading Python [duplicate]
...n3
import multiprocessing
import threading
import time
import sys
def cpu_func(result, niters):
'''
A useless CPU bound function.
'''
for i in range(niters):
result = (result * result * i + 2 * result * i * i + 3) % 10000000
return result
class CpuThread(threading.Thre...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...uses the same variable name. It is also a major security risk with register_globals turned on. E_NOTICE level error is issued in case of working with uninitialized variables, however not in the case of appending elements to the uninitialized array. isset() language construct can be used to detect if...
Case insensitive 'in'
...ive. Minimally, for example...:
class CaseInsensitively(object):
def __init__(self, s):
self.__s = s.lower()
def __hash__(self):
return hash(self.__s)
def __eq__(self, other):
# ensure proper comparison between instances of this class
try:
oth...
partial string formatting
...he advanced string formatting methods, similar to the string template safe_substitute() function?
21 Answers
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Why are Python's 'private' methods not actually private?
...s within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this
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Best practice: PHP Magic Methods __set and __get [duplicate]
...
While I agree with your general argument that __get and __set should not be abused for lazy accessors, it is not true that you cannot get autocompletion for them. See stackoverflow.com/questions/3814733/… on how to do that.
– Gordon
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How can I filter a date of a DateTimeField in Django?
...
Such lookups are implemented in django.views.generic.date_based as follows:
{'date_time_field__range': (datetime.datetime.combine(date, datetime.time.min),
datetime.datetime.combine(date, datetime.time.max))}
Because it is quite verbose there are pla...
What is the difference between save and insert in Mongo DB?
...is essentially the same.
save behaves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will insert.
If a document does not exist with the specified _id value, the save() method performs a...