大约有 35,500 项符合查询结果（耗时：0.0662秒） [XML]
HTML5 Canvas 100% Width Height of Viewport?
I am trying to create a canvas element that takes up 100% of the width and height of the viewport.
7 Answers
...
Getting the exception value in Python
...
340
use str
try:
some_method()
except Exception as e:
s = str(e)
Also, most exception cla...
How exactly do Django content types work?
...but for the average individual, this is how you will be using it 9 out of 10 times in my opinion.
Generic relationizers(?) beware!
A rather large caveat is that when you use a GenericRelation, if the model which has the GenericRelation applied (Picture) is deleted, all related (Comment) objects wi...
Find the division remainder of a number
... it might not be what you would expect when talking about the remainder: -10 % 3 == 2. However a/b*b + a%b == a still holds true, since python always rounds towards -Infinity, unlike some other languages, which round towards 0 but would return -1.
– marcelj
Oct...
How can I pass a parameter to a setTimeout() callback?
...
setTimeout(function() {
postinsql(topicId);
}, 4000)
You need to feed an anonymous function as a parameter instead of a string, the latter method shouldn't even work per the ECMAScript specification but browsers are just lenient. This is the proper solution, don't ever r...
Create batches in linq
...s (MoreLINQ is available as a NuGet package you can install):
int size = 10;
var batches = sequence.Batch(size);
Which is implemented as:
public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(
this IEnumerable<TSource> source, int size)
{
TS...
Junit: splitting integration test and Unit tests
...
10
I currently use separate directories due to organisational policy (and Junit 3 legacy) but I'm l...
Text blinking jQuery
... using this blink plugin
For Example
$('.blink').blink(); // default is 500ms blink interval.
//$('.blink').blink(100); // causes a 100ms blink interval.
It is also a very simple plugin, and you could probably extend it to stop the animation and start it on demand.
...
Very large matrices using Python and NumPy
... I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memory requirements.
...
CSS: center element within a element
To center an HTML element I can use the CSS left: 50%; . However, this centers the element with respect to the whole window.
...