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Why is there no xrange function in Python3?
...Apple 2.7.2 64-bit:
In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.05 s per loop
Now, python.org 3.3.0 64-bit:
In [83]: %timeit collections.deque((x for x in range(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.32 s per loop...
Use 'import module' or 'from module import'?
...
answered Oct 4 '13 at 16:10
Michael Ray LovettMichael Ray Lovett
4,70266 gold badges2121 silver badges2929 bronze badges
...
How do you access the matched groups in a JavaScript regular expression?
....log(match[0])
match = myRegexp.exec(myString);
}
Edit: 2019-09-10
As you can see the way to iterate over multiple matches was not very intuitive. This lead to the proposal of the String.prototype.matchAll method. This new method is expected to ship in the ECMAScript 2020 specification. ...
How to change checkbox's border style in CSS?
...
answered Mar 17 '10 at 7:38
user241244user241244
...
Are there benefits of passing by pointer over passing by reference in C++?
...te answer.
– paercebal
Dec 3 '08 at 10:12
The second function call used to be annotated func2 passes by reference. Whi...
Difference between passing array and array pointer into function in C
...vior is undefined.
Given the following code:
int main(void)
{
int arr[10];
foo(arr);
...
}
In the call to foo, the array expression arr isn't an operand of either sizeof or &, so its type is implicitly converted from "10-element array of int" to "pointer to int" according to 6.2.3.1/3...
Generating random numbers in Objective-C
...
1031
You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You d...
How to pass command line arguments to a shell alias? [duplicate]
...
answered Jun 2 '09 at 19:10
Charlie MartinCharlie Martin
100k2222 gold badges175175 silver badges249249 bronze badges
...
What do the terms “CPU bound” and “I/O bound” mean?
...nsider a program that sums all the values of a single vector:
#define SIZE 1000000000
unsigned int is[SIZE];
unsigned int sum = 0;
size_t i = 0;
for (i = 0; i < SIZE; i++)
/* Each one of those requires a RAM access! */
sum += is[i]
Parallelizing that by splitting the array equally for ea...
How to get the last day of the month?
...> calendar.monthrange(2008,2)
(4, 29)
>>> calendar.monthrange(2100,2)
(0, 28)
so:
calendar.monthrange(year, month)[1]
seems like the simplest way to go.
Just to be clear, monthrange supports leap years as well:
>>> from calendar import monthrange
>>> monthrange(2...