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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
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quick random row selection in Postgres
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This has an off by one error. It will never return the first row and will generate an error 1/COUNT(*) because it will try to return the row after the last row.
– Ian
Mar 21 '14 at 20:24
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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
{
...
Does using “new” on a struct allocate it on the heap or stack?
...here value type variables are allocated. That's a different question - and one to which the answer isn't just "on the stack". It's more complicated than that (and made even more complicated by C# 2). I have an article on the topic and will expand on it if requested, but let's deal with just the new ...
What is the difference between a reference type and value type in c#?
...ferent pieces of paper containing the same directions to my house - and if one person followed those directions and painted my house red, then the second person would see that change too. If they both just had separate pictures of my house on the paper, then one person colouring their paper wouldn't...
Difference between map and collect in Ruby?
... [emphasis mine]. Common Lisp provides a family of map-like functions; the one corresponding to the behavior described here is called mapcar (-car indicating access using the CAR operation).
Ruby provides an alias for programmers from the Smalltalk world to feel more at home.
Why is there a di...
What is the proper way to format a multi-line dict in Python?
..., I want to write a multi-line dict in my code. There are a couple of ways one could format it. Here are a few that I could think of:
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What is the proper way to check for null values?
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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
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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
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