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Big O, how do you calculate/approximate it?
...the code. The lesser the number of steps, the faster the algorithm.
For example, let's say you have this piece of code:
int sum(int* data, int N) {
int result = 0; // 1
for (int i = 0; i < N; i++) { // 2
result += data[i]; // 3
}
return result; ...
Dynamically change color to lighter or darker by percentage CSS (Javascript)
...E11 doesn't support this... and according to... w3counter.com/globalstats.php?year=2017&month=8 ... IE11 is still in the top 10 most used browsers. While I would love to use this feature, until IE11 dies, it doesn't look like I will. :-(
– OldTimeGuitarGuy
...
Find out what process registered a global hotkey? (Windows API)
...d: http://web.archive.org/web/*/tds.diamondcs.com.au/dse/detection/hotkeys.php )
– Aaron Thoma
Jul 2 '15 at 17:15
...
What is the best way to compute trending topics or tags?
...us - Thought I might dig this one up from the grave. Could you re-post the PHP implementation of this? The paste links do not seem to be working...thanks!
– Drewness
Apr 23 '13 at 19:51
...
Cleaning up old remote git branches
...p -v 'master$' | grep -v "$current_branch$")
if [ -z "$remote_branches" ] && [ -z "$local_branches" ]; then
echo "No existing branches have been merged into $current_branch."
else
echo "This will remove the following branches:"
if [ -n "$remote_branches" ]; then
echo "$remote_branches"...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
... saver! Why does Apple do stuff like this? Surely it should default to NO & allow us to change it if we really want to
– SomaMan
Jun 24 '14 at 10:27
...
Floating point vs integer calculations on modern hardware
...here are many, many variables to performance...especially between integer & floating point math. It varies strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations are generally very sim...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...UIInterfaceOrientationPortrait;
BOOL anim = NO;
[anInvocation setArgument:&val atIndex:2];
[anInvocation setArgument:&anim atIndex:3];
[anInvocation performSelector:@selector(invoke) withObject:nil afterDelay:1];
s...
How do I use Django templates without the rest of Django?
...r Jinja2 because of {% set %} syntax and equality to Twig template engine (PHP). It's better to write cross platform code always, but the performance difference is not critical - for example, python will always work slower than PHP so if you need performance you better create site with PHP, Twig and...
How to generate a Dockerfile from an image?
...ould you please help to resolve this problem running the image from your example? /usr/lib/ruby/gems/2.2.0/gems/excon-0.45.4/lib/excon/unix_socket.rb:14:in `connect_nonblock': Connection refused - connect(2) for /var/run/docker.sock (Errno::ECONNREFUSED) (Excon::Errors::SocketError)
...