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What is a good pattern for using a Global Mutex in C#?
...rrent AppDomain and then loaded a new AppDomain and executed the same code from within it).
– Sergey.quixoticaxis.Ivanov
Feb 7 '17 at 14:44
...
How to synchronize a static variable among threads running different instances of a class in Java?
...aring a counter, consider using an AtomicInteger or another suitable class from the java.util.concurrent.atomic package:
public class Test {
private final static AtomicInteger count = new AtomicInteger(0);
public void foo() {
count.incrementAndGet();
}
}
...
Cannot pass null argument when using type hinting
...
Starting from PHP 7.1, nullable types are available, as both function return types and parameters. The type ?T can have values of the specified Type T, or null.
So, your function could look like this:
function foo(?Type $t)
{
}
A...
Pass correct “this” context to setTimeout callback?
...ing $.proxy or Function.prototype.bind).
The code to make it work in IEs from Webreflection:
/*@cc_on
(function (modifierFn) {
// you have to invoke it as `window`'s property so, `window.setTimeout`
window.setTimeout = modifierFn(window.setTimeout);
window.setInterval = modifierFn(window.se...
Android OpenGL ES and 2D
... to build my augmented reality app using the simple techniques i'd learned from Ray's site and Erik's book. Thanks to them both for sharing!!!
share
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improve this answer
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What's the UIScrollView contentInset property for?
...tent insets, it doesn't answer the question of when to use it. I'll borrow from his diagrams:
_|←_cW_→_|_↓_
| |
---------------
|content| ↑
↑ |content| contentInset.top
cH |content|
↓ |content| contentInset.bottom
|content| ↓
---------------
|content|
------...
How do browsers pause/change Javascript when tab or window is not active?
... does not matter whether the window is out of focus or not.
Edge
Starting from Edge 14, setInterval is capped at 1000ms in inactive tabs. requestAnimationFrame is always paused in inactive tabs.
Safari
Just like Chrome, Safari caps setInterval at 1000ms when the tab is inactive. requestAnimationFr...
How to check if a specific key is present in a hash or not?
... Nice reference to that change request and subsequent response from Matz.
– Joshua Pinter
Sep 10 '15 at 12:20
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How do you set the text in an NSTextField?
...ft 4
self.yourTextField.stringValue = "Your_Value"
Note: Fetching value from self.yourTextField.stringValue at that will get warning message i.e.
To avoid this kind of warning you can use like this (suggested way)
DispatchQueue.main.async {
your code ...
}
OR also refer to this.
...
Python using enumerate inside list comprehension
...o enumeration but how about something like this, just another perspective
from itertools import izip, count
a = ["5", "6", "1", "2"]
tupleList = list( izip( count(), a ) )
print(tupleList)
It becomes more powerful, if one has to iterate multiple lists in parallel in terms of performance. Just a t...