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CSS: Setting width/height as Percentage minus pixels
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923
I realise this is an old post, but given that it hasn't been suggested it is worth mentioning th...
Is there a way to instantiate objects from a string holding their class name?
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Garet Claborn
1,33822 gold badges1717 silver badges4141 bronze badges
answered Feb 24 '09 at 16:30
Johannes Schaub - ...
How do I access the $scope variable in browser's console using AngularJS?
...y ideas ?
– murtaza52
Dec 6 '12 at 13:07
@jm- as of angular.element($0).scope(), it works until you try to call some m...
How to remove extension from string (only real extension!)
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Try this one:
$withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename);
So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty of file extensions which are shorter ...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
...e <functional>
int main()
{
auto t1 = std::make_tuple(10, "Test", 3.14);
std::cout << "The value of t1 is "
<< "(" << std::get<0>(t1) << ", " << std::get<1>(t1)
<< ", " << std::get<2>(t1) << ")\n";
int n = 1;
auto t2 = std::make_tuple(std::ref(...
Get a specific bit from byte
... the fourth bit, we perform:
1 (2^0) &lt;&lt; (4-1) == 8 (2^3)
00000001 &lt;&lt; (4-1) == 00001000
Now you know how it's done, what's going on at the low level, and why it works.
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How to apply specific CSS rules to Chrome only?
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Henry Henrinson
4,73566 gold badges3535 silver badges6868 bronze badges
answered Nov 27 '12 at 15:23
Martin Kristiansson...
How to randomly select an item from a list?
..., 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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How to measure time taken between lines of code in python?
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If you want to measure CPU time, can use time.process_time() for Python 3.3 and above:
import time
start = time.process_time()
# your code here
print(time.process_time() - start)
First call turns the timer on, and second call tells you how many seconds have elapsed.
There is also a functi...
How to insert text into the textarea at the current cursor position?
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