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Better way to sum a property value in an array
...ay {
sum(key) {
return this.reduce((a, b) => a + (b[key] || 0), 0);
}
}
const traveler = new TravellerCollection(...[
{ description: 'Senior', Amount: 50},
{ description: 'Senior', Amount: 50},
{ description: 'Adult', Amount: 75},
{ description: 'Child', Amount...
What is the difference between exit() and abort()?
... objects though. So
A a;
void test() {
static A b;
A c;
exit(0);
}
Will destruct a and b properly, but will not call destructors of c. abort() wouldn't call destructors of neither objects. As this is unfortunate, the C++ Standard describes an alternative mechanism which ensures prope...
Command to change the default home directory of a user
...
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edited Mar 20 at 17:04
fnkr
6,31366 gold badges3939 silver badges5353 bronze badges
answer...
What is Vim recording and how can it be disabled?
...
1086
You start recording by q<letter>
and you can end it by typing q again.
Recording is a r...
std::shared_ptr thread safety explained
... only newly created object?
is incorrect. Only d will point to the new A(10), and a, b, and c will continue to point to the original A(1). This can be seen clearly in the following short example.
#include <memory>
#include <iostream>
using namespace std;
struct A
{
int a;
A(int a) ...
What does “%” (percent) do in PowerShell?
...
answered Apr 3 '14 at 19:03
KohlbrrKohlbrr
3,23111 gold badge1717 silver badges2424 bronze badges
...
How to exclude this / current / dot folder from find “type d”
...|
edited Mar 11 '16 at 21:09
answered Jun 30 '13 at 10:32
C...
How to position one element relative to another with jQuery?
...
204
NOTE: This requires jQuery UI (not just jQuery).
You can now use:
$("#my_div").position({
...
Uses of content-disposition in an HTTP response header
...curity concerns.
The authority on the content-disposition header is RFC 1806 and RFC 2183. People have also devised content-disposition hacking. It is important to note that the content-disposition header is not part of the HTTP 1.1 standard.
The HTTP 1.1 Standard (RFC 2616) also mentions the poss...
Bash foreach loop
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answered Nov 12 '10 at 8:35
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
...