大约有 4,760 项符合查询结果（耗时：0.0279秒） [XML]
Algorithm for Determining Tic Tac Toe Game Over
I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over:
...
Rolling or sliding window iterator?
...aka sliding window) iterable over a sequence/iterator/generator. Default Python iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for doing this?
...
pytest: assert almost equal
How to do assert almost equal with py.test for floats without resorting to something like:
7 Answers
...
Converting a list to a set changes element order
Recently I noticed that when I am converting a list to set the order of elements is changed and is sorted by character.
...
Plotting two variables as lines using ggplot2 on the same graph
A very newbish question, but say I have data like this:
5 Answers
5
...
Is jQuery “each()” function synchronous?
...
Yes, the jQuery each method is synchronous. Nearly ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers.
Your problem is probably somewhere else in your code....
What is the difference between __init__ and __call__?
...
The first is used to initialise newly created object, and receives arguments used to do that:
class Foo:
def __init__(self, a, b, c):
# ...
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self,...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys ...
Evenly distributing n points on a sphere
...t can give me positions around a sphere for N points (less than 20, probably) that vaguely spreads them out. There's no need for "perfection", but I just need it so none of them are bunched together.
...
What is the difference between a 'closure' and a 'lambda'?
...and the basic concepts behind them but I often see them used interchangeably and I get confused.
11 Answers
...