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What's a correct and good way to implement __hash__()?
...be integers, and there aren't too many of them, I suppose you could potentially run slightly faster with some home-rolled hash, but it likely wouldn't be as well distributed. hash((self.attr_a, self.attr_b, self.attr_c)) is going to be surprisingly fast (and correct), as creation of small tuples is ...
How to check if an object is a generator object in python?
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@JAB, @Piotr: Reflected to address all the possibilities of what the OP can mean , thanks JAB :)
– mouad
Jun 20 '11 at 19:57
1
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
... threads each: then at a given moment no more than 4*768 threads will be really running in parallel (if you planned more threads, they will be waiting their turn).
Software
threads are organized in blocks. A block is executed by a multiprocessing unit.
The threads of a block can be indentified (in...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
I just started using Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro?
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error: ‘uint16_t’ does not name a type - c++1y / stl - 清泛IT社区，为创新赋能！
...ight notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...ss. Change it like so:
class B(object):
and it will work.
super() and all subclass/superclass stuff only works with new-style classes. I recommend you get in the habit of always typing that (object) on any class definition to make sure it is a new-style class.
Old-style classes (also known as...
Can I use Twitter Bootstrap and jQuery UI at the same time?
... with jQuery UI (something which
caused a number of widgets to break visually) The ability to theme
jQuery UI widgets using Bootstrap styles. Whilst I love jQuery UI, I
(like others) find some of the current themes to look a little dated.
My hope is that this theme provides a decent alternat...
Qt events and signal/slots
... and handled by
any instance of a QObject subclass,
but they are especially relevant to
widgets. This document describes how
events are delivered and handled in a
typical application.
So events and signal/slots are two parallel mechanisms accomplishing the same things. In general, an eve...
How can I git stash a specific file?
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Not the most user-friendly approach, but it gets the work done if you really need it.
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How to “properly” create a custom object in JavaScript?
...e result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial material is terrible and serves up some kind of in-between compromise to cover all bases, leaving you very confused. (Probably the author is also confu...