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What is difference between sjlj vs dwarf vs seh?
...ception going through any non-dw2 aware "foreign frames"
code will fail, including Windows system DLLs and DLLs built with
Visual Studio. Dwarf-2 unwinding code in gcc inspects the x86
unwinding assembly and is unable to proceed without other dwarf-2
unwind information.
The SetJump Long...
Measuring execution time of a function in C++
...rono::high_resolution_clock from <chrono> header.
Use it like so:
#include <iostream>
#include <chrono>
void function()
{
long long number = 0;
for( long long i = 0; i != 2000000; ++i )
{
number += 5;
}
}
int main()
{
auto t1 = std::chrono::high_reso...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
...ement as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient way of developing something like this as it's becoming a more common in...
What is mattr_accessor in a Rails module?
...ght want to write a class method in a module, such that whenever any class includes the module, it gets that class method as well as all the instance methods. mattr_accessor also lets you do this.
However, in the second scenario, it's behaviour is pretty strange. Observe the following code, particu...
How to turn on line numbers in IDLE?
...
While this workaround works, why were numbered lines not included in the first release. It seems like an obvious feature. Very disappointing that this isn't included.
– JayRugMan
Dec 28 '17 at 1:29
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...ted by Wouter in his original comment. The ability to handle missing data, including dropna(), is built into pandas explicitly. Aside from potentially improved performance over doing it manually, these functions also come with a variety of options which may be useful.
In [24]: df = pd.DataFrame(np...
Rich vs Anemic Domain Model [closed]
... perform the business logic, as the core idea of DDD is, but this does not include database queries or CRUD – only operations on the internal state of the object
there is rarely need of DTOs – the domain objects are the DTOs themselves in most cases (which saves some boilerplate code)
services p...
How can I iterate over an enum?
...
#include <iostream>
#include <algorithm>
namespace MyEnum
{
enum Type
{
a = 100,
b = 220,
c = -1
};
static const Type All[] = { a, b, c };
}
void fun( const MyEnum::Type e )
{
std::cout <...
Which HTML elements can receive focus?
...t target the same elements as @ReeCube's selectors, because yours does not include elements that don't have a tabindex explicitly set. For example <a href="foo.html">Bar</a> is certainly focusable because it's an a element that has an href attribute. But your selector does not include it...