大约有 16,000 项符合查询结果(耗时:0.0312秒) [XML]
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
I'm inspecting an h2 element on a web page using Google Chrome's element inspector and some of the CSS rules--which appear to be applied--are grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
...
Getting a list of associative array keys
...
You can use: Object.keys(obj)
Example:
var dictionary = {
"cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36],
"dogs": [4, 5, 6, 3, 2]
};
// Get the keys
var keys = Object.keys(dictionary);
console.log(keys);
See reference below...
Selecting a row of pandas series/dataframe by integer index
...curious as to why df[2] is not supported, while df.ix[2] and df[2:3] both work.
6 Answers
...
How do I reattach to a detached mosh session?
How do I reattach to a detached mosh session or otherwise get rid of
7 Answers
7
...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
...
The main problem is that the browser won't even send a request with a fragment part. The fragment part is resolved right there in the browser. So it's reachable through JavaScript.
Anyway, you could parse a URL into bits, including the ...
Is there an “exists” function for jQuery?
...
In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else true. So you could write:
if ($(selector).length)
You don't need that >0 part.
share
|
...
Returning the product of a list
...
Without using lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = ra...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
...
How can I check if a scrollbar is visible?
Is it possible to check the overflow:auto of a div?
19 Answers
19
...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...