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Algorithm for Determining Tic Tac Toe Game Over
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edited Nov 18 '17 at 21:31
Marc Bacvanski
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List comprehension: Returning two (or more) items for each item
...lambda x: x ** 2',
number=20)
2.69210777094
3.13900787874
1.62461071932
25.5944058287
29.2623711793
25.7211849286
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Why is the order in dictionaries and sets arbitrary?
...e the keys 'foo' and 'bar', for example, and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>>...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
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answered Apr 8 '10 at 19:34
e.Jamese.James
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pandas: filter rows of DataFrame with operator chaining
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398
I'm not entirely sure what you want, and your last line of code does not help either, but anyway...
PHP Regex to check date is in YYYY-MM-DD format
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198
Try this.
$date="2012-09-12";
if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[...
get list from pandas dataframe column
... BenBen
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
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8 Answers
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How do you rotate a two dimensional array?
...re it is in C#
int[,] array = new int[4,4] {
{ 1,2,3,4 },
{ 5,6,7,8 },
{ 9,0,1,2 },
{ 3,4,5,6 }
};
int[,] rotated = RotateMatrix(array, 4);
static int[,] RotateMatrix(int[,] matrix, int n) {
int[,] ret = new int[n, n];
for (int i = 0; i < n; ++i) {
for (int j =...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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edited Feb 18 '15 at 18:36
Rob Bednark
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