大约有 6,100 项符合查询结果（耗时：0.0319秒） [XML]
What is the purpose of the '@' symbol in CSS?
...xamples:
/* Import another stylesheet from within a stylesheet */
@import url(style2.css);
/* Apply this style only for printing */
@media print {
body {
color: #000;
background: #fff;
}
}
/* Embed a custom web font */
@font-face {
font-family: 'DejaVu Sans';
src: ...
Fastest way to list all primes below N
...mple from the Python Cookbook here -- the fastest version proposed on that URL is:
import itertools
def erat2( ):
D = { }
yield 2
for q in itertools.islice(itertools.count(3), 0, None, 2):
p = D.pop(q, None)
if p is None:
D[q*q] = q
yield q
...
Configuring so that pip install can work from github
...
Here's the new url scheme: pip install git+https://github.com/pypa/pip.git Source: pip Github repo
– aboutaaron
Aug 6 '13 at 5:00
...
How to create local notifications?
...)
{
let imageName = "Apple"
guard let imageURL = Bundle.main.url(forResource: imageName, withExtension: "png") else { return }
let attachment = try! UNNotificationAttachment(identifier: imageName, url: imageURL, options: .none)
content.attachme...
Install Gem from Github Branch?
...voided until Bundler 2.0, since it currently expands to an insecure git:// URL. This allows a man-in-the-middle attacker to compromise your system.
After Bundler 2.0, you can get around the above issue with this statement near the top of the Gemfile:
git_source(:github) { |repo| "https://github.co...
Web API Routing - api/{controller}/{action}/{id} “dysfunctions” api/{controller}/{id}
...onal } parameter of your "WithActionApi" rule because once id is optional, url like "/api/{part1}/{part2}" will never goes into "DefaultApi".
Add an named action to your "DefaultApi" to tell the route engine which action to enter. Otherwise once you have more than one actions in your controller, the...
Update Git submodule to latest commit on origin
I have a project with a Git submodule. It is from an ssh://... URL, and is on commit A. Commit B has been pushed to that URL, and I want the submodule to retrieve the commit, and change to it.
...
Do git tags get pushed as well?
...at in your .git/config:
[remote "publish"] # or whatever it is named
url = ...
push = +refs/heads/*:refs/heads/*
push = +refs/tags/*:refs/tags/*
This means force push all heads (all branches) and all tags (if you don't want force pushing of heads, remove '+' prefix from refspec).
...
How do I allow HTTPS for Apache on localhost?
...ersion 2, any port can be tunneled. )
After few seconds, it will give two urls :
http://a_hexadecimal_number.ngrok.com
https://a_hexadecimal_number.ngrok.com
Now, both the urls point to the localhost.
share
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...
How to write asynchronous functions for Node.js
... that you define, then resolve the data that you want:
function ajax_call(url, method) {
return new Promise((resolve, reject) => {
fetch(url, { method })
.then(resp => resp.json())
.then(json => { resolve(json); })
});
}
async function your_function() {
var json = await ...