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Purpose of Python's __repr__
...repr__ should return a printable representation of the object, most likely one of the ways possible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users.
A simple example:
>>> class Point:
... def __init__(self, x, y):
.....
How to validate an e-mail address in swift?
Does anyone know how to validate an e-mail address in Swift? I found this code:
34 Answers
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Is there common street addresses database design for all addresses of the world? [closed]
I am a programmer and to be honest don't know street address structures of the world, just how in my country is structured :) so which is the best and common database design for storing street addresses? It should be so simple to use, fast to query and dynamic to store all street addresses of the w...
Remove local git tags that are no longer on the remote repository
... as noted in a separate answer, this deletes ALL local tags, and ones not in the remote repo obviously won't be re-created
– second
Aug 6 '12 at 11:03
15
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What's the difference between an object initializer and a constructor?
...ially if you have nested structure, since object initializer is considered one line of code (nicely formatted), just like my sentence.
– CrnaStena
Mar 28 '13 at 18:28
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Elegant ways to support equivalence (“equality”) in Python classes
... does not imply that x!=y is false. Accordingly, when
defining __eq__(), one should also define __ne__() so that the
operators will behave as expected.
def __ne__(self, other):
"""Overrides the default implementation (unnecessary in Python 3)"""
return not self.__eq__(other)
n1 == n2...
Use of *args and **kwargs [duplicate]
...
One place where the use of *args and **kwargs is quite useful is for subclassing.
class Foo(object):
def __init__(self, value1, value2):
# do something with the values
print value1, value2
class MyFoo(Fo...
Text overflow ellipsis on two lines
...ago – never mind how long precisely – having
little or no money in my purse, and nothing particular to interest me on
shore, I thought I would sail about a little and see the watery part of the
world. It is a way I have of driving off the spleen, and regulatin...
How can I access the MySQL command line with XAMPP for Windows?
... dot and slash before mysql), else it would not see mysql.exe (yes, I had done the cd command already).
– dotNET
Nov 29 '19 at 18:46
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Are iframes considered 'bad practice'? [closed]
...of course it is bad practice. However sometimes an iframe is acceptable.
One of the main problems with an iframe has to do with bookmarks and navigation. If you are using it to simply embed a page inside your content, I think that is fine. That is what an iframe is for.
However I've seen iframes ...