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python list by value not by reference [duplicate]
... 2-dimensional list, this is not going to work
– Pythoner
Jun 25 '18 at 14:55
For 2D arrays it's possible use map func...
Connecting overloaded signals and slots in Qt 5
...mp;QSlider::setValue);
For Qt 5.6 and earlier, you need to tell Qt which one you want to pick, by casting it to the right type:
connect(spinbox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged),
slider, &QSlider::setValue);
I know, it's ugly. But there's no wa...
Copy array items into another array
...JS engine of the browser or wherever you're using it in? It might be fixed one day. I would choose code maintainability over hacky speed optimizations. Hmm ....
– Bitterblue
Jun 10 '16 at 9:04
...
Uncatchable ChuckNorrisException
...you can get this to work if you disable the byte code verifier! (-Xverify:none)
UPDATE 3:
For those following from home, here is the full script:
Create the following classes:
public class ChuckNorrisException
extends RuntimeException // <- Comment out this line on second compilation
{
...
Protect .NET code from reverse engineering?
Obfuscation is one way, but it can't protect from breaking the piracy protection security of the application. How do I make sure that the application is not tampered with, and how do I make sure that the registration mechanism can't be reverse engineered?
...
Is the pImpl idiom really used in practice?
...ue.
Data hiding
If you're developing a library, especially a proprietary one, it might be desirable not to disclose what other libraries / implementation techniques were used to implement the public interface of your library. Either because of Intellectual Property issues, or because you believe t...
What is the proper way to check for null values?
...
What about
string y = (Session["key"] ?? "none").ToString();
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Preloading images with jQuery
...;
});
}
// Usage:
preload([
'img/imageName.jpg',
'img/anotherOne.jpg',
'img/blahblahblah.jpg'
]);
Or, if you want a jQuery plugin:
$.fn.preload = function() {
this.each(function(){
$('<img/>')[0].src = this;
});
}
// Usage:
$(['img1.jpg','img2.jpg','img3....
Sorting an array of objects by property values
...
One issue I have with this is that with reverse=false, it will sort numbers as 1,2,3,4... but Strings as z,y,x...
– Abby
Apr 26 '12 at 13:42
...
How can I combine two HashMap objects containing the same types?
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If you get a NPE, then apparently you did not initialize one of your objects properly. Do you print the stacktrace in the catch block? So you know where the problem arises. But unless you post the full and exact code including the stack trace you will need to track that down on you...