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Difference between static class and singleton pattern?
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To Skeet: People saying that singleton isn't threadsafe mean that a singleton is shared between threads unnecessarily all the time, while stack objects get shared when you need them to, which means you don't have to do unneeded synchronization.
– Iraimbilanja...
Capture HTML Canvas as gif/jpg/png/pdf?
...milar question. This has been revised:
var canvas = document.getElementById("mycanvas");
var img = canvas.toDataURL("image/png");
with the value in IMG you can write it out as a new Image like so:
document.write('<img src="'+img+'"/>');
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How to elegantly check if a number is within a range?
...ink we should adopt a moto, just because LINQ Extensions are cool, doesn't mean they should be used for everything.
– Matthew Abbott
Jul 6 '10 at 17:45
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Find the last element of an array while using a foreach loop in PHP
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When toEnd reaches 0 it means it is at the last iteration of the loop.
$toEnd = count($arr);
foreach($arr as $key=>$value) {
if (0 === --$toEnd) {
echo "last index! $value";
}
}
The last value is still available after the loop, so if ...
How to manually send HTTP POST requests from Firefox or Chrome browser?
...m working on. For that I would like to manually create HTTP POST requests (meaning I can add whatever parameters I like).
1...
How to use @Nullable and @Nonnull annotations more effectively?
... the null throws NullPointerException. Both are RuntimeException's without meaningful description. I prefer nullable variables.
– 30thh
Sep 7 '18 at 11:38
4
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Get all files that have been modified in git branch
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hmmm, well, I guess what I mean is that I would like to do git diff --name-only <notMainDev> $(git merge-base <notMainDev> <MY_CURRENT_CO_BRANCH>) where MY_CURRENT_CO_BRANCH would of course be my current checked out branch
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How do I tell Maven to use the latest version of a dependency?
...doc on Dependency Version Ranges, where:
A square bracket ( [ & ] ) means "closed" (inclusive).
A parenthesis ( ( & ) ) means "open" (exclusive).
Here's an example illustrating the various options. In the Maven repository, com.foo:my-foo has the following metadata:
<?xml version="1....
Why is pow(a, d, n) so much faster than a**d % n?
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@danielkza: That's true, I didn't mean to imply it's theoretically impossible. Maybe "doesn't look into the future" would be more accurate than "can't see into the future". Note, though, that the optimization could be extremely difficult or even impossible ...
Correct way to detach from a container without stopping it
...l functional OS. When you run a container the process you launch take the PID 1 and assume init power. So when that process is terminated the daemon stop the container until a new process is launched (via docker start) (More explanation on the matter http://phusion.github.io/baseimage-docker/#intro)...