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Unique BooleanField value in Django?
...he database, model and admin form levels while it overrides Django ORM the least possible. Moreover it can probably be used inside a through table of a ManyToManyField in aunique_together situation. (I will check it and report)
class MyModel(models.Model):
is_the_chosen_one = models.NullBoole...
jQuery selectors on custom data attributes using HTML5
...
@AaronLS No it doesn't (at least not with older versions of jQuery eg. 1.4.4) - you need to set the data using .attr('data-something', 'value') to see the update in the HTML. As per stackoverflow.com/questions/6827810/…
– Matty ...
What exactly is a C pointer if not a memory address?
... of its operand. [...]
So... yeah, pointers point to memory addresses. At least that's how the C standard suggests it to mean.
To say it a bit more clearly, a pointer is a variable holding the value of some address. The address of an object (which may be stored in a pointer) is returned with the un...
How to retrieve the dimensions of a view?
...Resume as well. Final dimensions are set somewhere after OnResume call, at least in emulator.
– jki
Dec 2 '11 at 20:32
...
onchange event on input type=range is not triggering in firefox while dragging
...he slider
final mouse-up (or touch-end)
The following table shows how at least three different desktop browsers differ in their behaviour with respect to which of the above scenarios they respond to:
Solution:
The onRangeChange function provides a consistent and predictable cross-browser respo...
Difference between ApiController and Controller in ASP.NET MVC
...lers are great, but ApiControllers are better suited for RESTful tasks, at least in .NET Framework 4.x
– Darkseal
Jul 7 '19 at 1:18
...
How to get browser width using JavaScript code?
...window.matchMedia("(min-width: 400px)").matches) {
/* the viewport is at least 400 pixels wide */
} else {
/* the viewport is less than 400 pixels wide */
}
Did not test that much, but tested with android default and android chrome browsers, desktop chrome, so far it looks like it works well. ...
vector::at vs. vector::operator[]
...en
there's no bounds error, I'd expect them to be about the same speed, at
least in debugging builds. The difference is that at() specifies
exactly what will happen in there is a bounds error (an exception),
where as in the case of operator[], it is undefined behavior—a
crash in all of the syste...
Any decent text diff/merge engine for .NET? [closed]
...dit out the "COM" bit of your answer. Nice find as this implementation (at least the python/js versions) are used in some widely-used projects such as Google Docs.
– Brian Low
Oct 5 '10 at 16:21
...
Visual Studio immediate window command for Clear All
...nd leave you trying to figure out why the F^&$%**! it doesn't work. At least that's what I've been doing for the last 20 minutes.
– Luc VdV
Sep 19 '19 at 12:25
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