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Elegant ways to support equivalence (“equality”) in Python classes
...re no implied relationships among the comparison operators. The
truth of m>x m>==y does not imply that m>x m>!=y is false. Accordingly, when
defining __eq__(), one should also define __ne__() so that the
operators will behave as em>x m>pected.
def __ne__(self, other):
"""Overrides the default implement...
Remove IE10's “clear field” m>X m> button on certain inputs?
... is there any way to disable it?
For instance, if the form is a single tem>x m>t field and already has a "clear" button beside it, it's superfluous to also have the m>X m>. In this situation, it would be better to remove it.
...
Python class inherits object
...between Python 2 and 3, no reason. In Python 2, many reasons.
Python 2.m>x m> story:
In Python 2.m>x m> (from 2.2 onwards) there's two styles of classes depending on the presence or absence of object as a base-class:
"classic" style classes: they don't have object as a base class:
>>> class C...
Difference between volatile and synchronized in Java
...'s important to understand that there are two aspects to thread safety.
em>x m>ecution control, and
memory visibility
The first has to do with controlling when code em>x m>ecutes (including the order in which instructions are em>x m>ecuted) and whether it can em>x m>ecute concurrently, and the second to do with w...
Create web service prom>x m>y in Visual Studio from a WSDL file
...
Try using WSDL.em>x m>e and then including the generated file (.cs) into your project.
Fire up the Visual Studio Command prompt (under visual studio/tools in the start menu) then type
>wsdl.em>x m>e [path To Your WSDL File]
That'll spit out a f...
Is there a difference between “==” and “is”?
...gt;>> "a" is "a"
True
>>> "aa" is "a" * 2
True
>>> m>x m> = "a"
>>> "aa" is m>x m> * 2
False
>>> "aa" is intern(m>x m>*2)
True
Please see this question as well.
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple em>x m>planation) [
How are threads organized to be em>x m>ecuted by a GPU?
2 Answers
2
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What does functools.wraps do?
...it on StackOverflow for future reference: what does functools.wraps do, em>x m>actly?
6 Answers
...
What's the difference between VARCHAR and CHAR?
...
VARCHAR is variable-length.
CHAR is fim>x m>ed length.
If your content is a fim>x m>ed size, you'll get better performance with CHAR.
See the MySQL page on CHAR and VARCHAR Types for a detailed em>x m>planation (be sure to also read the comments).
...
Why is using “for…in” for array iteration a bad idea?
...
for (var i = 0; i < a.length; i++) {
// Iterate over numeric indem>x m>es from 0 to 5, as everyone em>x m>pects.
console.log(a[i]);
}
/* Will display:
undefined
undefined
undefined
undefined
undefined
5
*/
can sometimes be totally different from the other:
...