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Where and why do I have to put the “template” and “typename” keywords?
...bvious to a human reader. Not so for the compiler. Imagine the following arbitrary definition of boost::function and f:
namespace boost { int function = 0; }
int main() {
int f = 0;
boost::function< int() > f;
}
That's actually a valid expression! It uses the less-than operator to com...
Difference between Inheritance and Composition
...s-NOT-a" vector; you should not be allowed to insert and remove elements arbitrarily. It should've been composition instead.
Unfortunately it's too late to rectify this design mistake, since changing the inheritance hierarchy now would break compatibility with existing code. Had Stack used composit...
What is the cleanest way to disable CSS transition effects temporarily?
... which supported them unprefixed.)
But that's just style, and is the easy bit. When you come to try and use this class, you'll run into a trap. The trap is that code like this won't work the way you might naively expect:
// Don't do things this way! It doesn't work!
someElement.classList.add('notr...
How can I create a keystore?
...C=91 correct?
[no]: Y
Enter > Enter password again.
Generating 2,048 bit RSA key pair and self-signed certificate (SHA256withRSA) with a validity of 10,000 days
for: CN=AB, OU=Self, O=Self, L=INDORE, ST=MP, C=91
Enter key password for <index> (RETURN if same as keystore password):...
What is sharding and why is it important?
...ividual partition is referred to as a shard or database shard." Which is a bit different from the text in the answer that says "Each partition forms part of a shard".
– Kevin Wheeler
Aug 23 '15 at 1:19
...
How to create a library project in Android Studio and an application project that uses the library p
...
Good answer, but you should be copying the relevant bits from the post to your answer in case the link breaks.
– Greyson Parrelli
Nov 6 '15 at 7:22
2
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
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I'll remove the bit about Perl since it doesn't mix well with official documentation, but this is still a confusing area in PHP's early development.
– JSON
Feb 6 '15 at 7:23
...
Remove padding or margins from Google Charts
...r the vertical axis it will get tricky when the values fluctuate by a good bit - for instance a chart with values that range from 0 - 100 would require a left value of 20 pixels, but 0 - 10 mil would need 100 pixels, and using 100 pixels then would leave a fairly large margin which is what I think a...
How can I make a WPF combo box have the width of its widest element in XAML?
...
Yeah, this one is a bit nasty.
What I've done in the past is to add into the ControlTemplate a hidden listbox (with its itemscontainerpanel set to a grid) showing every item at the same time but with their visibility set to hidden.
I'd be plea...
In .NET, which loop runs faster, 'for' or 'foreach'?
...last month, with the following conclusions:
for loops on List are a bit more than 2 times cheaper than foreach
loops on List.
Looping on array is around 2 times cheaper than looping on List.
As a consequence, looping on array using for is 5 times cheaper
than looping on List using for...