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Getting scroll bar width using JavaScript [duplicate]
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// offsetWidth includes width of scroll bar and clientWidth doesn't. As rule, it equals 14-18px. so:
var scrollBarWidth = element.offsetWidth - element.clientWidth;
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
... defined in the standard so an implementation is free to do what it wants, including allowing something in there that isn't the actual name - I thought I'd made that clear in the penultimate sentence.
– paxdiablo
Jan 12 '10 at 23:00
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sizeof single struct member in C
...atic way in C in general to get the struct member size? Isn't such a macro included in a Standard in modern C yet?
– St.Antario
Dec 19 '18 at 5:32
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Get the Query Executed in Laravel 3/4
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Note that in Laravel 4, the Profiler is not included, you have to install it by yourself (e.g. using composer). See this SO question.
– duality_
Mar 5 '13 at 11:56
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Efficient way to determine number of digits in an integer
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In which order should floats be added to get the most precise result?
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I tried out the extreme example in the answer supplied by Steve Jessop.
#include <iostream>
#include <iomanip>
#include <cmath>
int main()
{
long billion = 1000000000;
double big = 1.0;
double small = 1e-9;
double expected = 2.0;
double sum = big;
for (l...
Is there any git hook for pull?
...e, it doesn't exist.
That said, there is a post-merge hook, and all pulls include a merge, though not all merges are pulls. It's run after merges, and can't affect the outcome. It never gets executed if there were conflicts; you'd have to pick that up with the post-commit hook if it really matters,...
What does “#define _GNU_SOURCE” imply?
...ion:
Macro: _GNU_SOURCE
If you define this macro, everything is included: ISO C89, ISO C99, POSIX.1, POSIX.2, BSD, SVID, X/Open, LFS, and GNU extensions. In the cases where POSIX.1 conflicts with BSD, the POSIX definitions take precedence.
From the Linux man page on feature test macros:...
Rails find record with zero has_many records associated [duplicate]
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Bah, found it here: https://stackoverflow.com/a/5570221/417872
City.includes(:photos).where(photos: { city_id: nil })
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