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How does the @property decorator work in Python?
...mat(money.dollars, money.cents))
# prints I have 27 dollar and 12 cents.
Now let's suppose you decide to change your Money class and get rid of the dollars and cents attributes but instead decide to only track the total amount of cents:
class Money:
def __init__(self, dollars, cents):
...
Remove duplicates from an array of objects in JavaScript
... fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact
– Deepak G M
Apr 17 '19 at 6:31
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Does Swift have documentation generation support?
...d in the Quick Help Inspector ⌥⌘2).
Symbol documentation comments are now based on the same Markdown syntax used by rich playground comments, so a lot of what you can do in playgrounds can now be used directly in source code documentation.
For full details of the syntax, see Markup Formatting ...
How to keep a Python script output window open?
...n 3? in python 3 it was renamed to input(). But I would use python 2.6 for now, since python 3 lacks important third party libraries that haven't been ported yet. (see other questions on python 2vs3). About editor, I don't use windows, notepad++ lets you configure the command. I use emacs which has ...
Is there a way to crack the password on an Excel VBA Project?
...assword protected, and it seems there's a lack of documentation... no-one knows the passwords.
22 Answers
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Why dict.get(key) instead of dict[key]?
...ents anywhere?
As mentioned here,
It seems that all three approaches now exhibit similar performance (within about 10% of each other), more or less independent of the properties of the list of words.
Earlier get was considerably slower, However now the speed is almost comparable along with t...
What is a mixin, and why are they useful?
...ass and class NewChildN(NewBehaviorMixin, ChildN): pass, etc. (PS: Do you know a better way?)
– RayLuo
Oct 18 '16 at 0:57
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show 5 more comm...
Why does the expression 0 < 0 == 0 return False in Python?
...es check if 0 < 0 which obviously returns False onto the python stack.
Now notice line 11: JUMP_IF_FALSE_OR_POP 23
This means that if 0 < 0 returns False perform a jump to line 23.
Now, 0 < 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
Understanding __get__ and __set__ and Python descriptors
... make sure those divisions are / 5.0 and / 9.0). That gives:
100.0
32.0
Now there are other, arguably better ways to achieve the same effect in python (e.g. if celsius were a property, which is the same basic mechanism but places all the source inside the Temperature class), but that shows what c...
Is there a decorator to simply cache function return values?
...
the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache
– Frederick Nord
Jul 21 '15 at 7:55
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