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Is there any overhead to declaring a variable within a loop? (C++)
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@toto A variable like this could also be nowhere – the var variable is initialized but never used, so a reasonable optimiser can just remove it completely (except the second snippet if the variable was used somewhere after the loop).
– CiaPan...
Disable Drag and Drop on HTML elements?
... which I'm attempting to implement a full featured windowing system. Right now it's going very well, I'm only running into one minor issue. Sometimes when I go to drag a part of my application (most often the corner div of my window, which is supposed to trigger a resize operation) the web browser g...
How to change the remote repository for a git submodule?
...y, a patch has been submitted in April 2009 to clarify gitmodule role.
So now the gitmodule documentation does not yet include:
The .gitmodules file, located in the top-level directory of a git working tree, is a text file with a syntax matching the requirements -of linkgit:git-config1.
[NEW]...
Asynchronous Process inside a javascript for loop [duplicate]
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async await is here
(ES7), so you can do this kind of things very easily now.
var i;
var j = 10;
for (i = 0; i < j; i++) {
await asycronouseProcess();
alert(i);
}
Remember, this works only if asycronouseProcess is returning a Promise
If asycronouseProcess is not in your cont...
Is there common street addresses database design for all addresses of the world? [closed]
I am a programmer and to be honest don't know street address structures of the world, just how in my country is structured :) so which is the best and common database design for storing street addresses? It should be so simple to use, fast to query and dynamic to store all street addresses of the w...
Regular Expression For Duplicate Words
...wrong stuff. Intended to copy the one from my example actually. anyway, it now works! so all good! Thanks!
– Niket Pathak
Dec 7 '18 at 9:45
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Abstract classes in Swift Language
...e {
func accelerate(by: Float) {
speed += by
}
}
You can now create new types by implementing Drivable.
struct Car: Drivable {
var speed: Float = 0.0
init() {}
}
let c = Car()
c.accelerate(10)
So basically you get:
Compile time checks that guarantee that all Drivables...
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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Python equivalent for PHP's implode?
...implode in Python? I've read in and split up a set of delimited words, and now I want to sort them out in random orders and print the words out with spaces in between.
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Can we make unsigned byte in Java
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byte b = (byte)unsignedToBytes((byte) -12); now try printing b
– Jigar Joshi
Nov 24 '10 at 13:07
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