大约有 7,900 项符合查询结果（耗时：0.0244秒） [XML]
Detect If Browser Tab Has Focus
...
Important Edit: This answer is outdated. Since writing it, the Visibility API (mdn, example, spec) has been introduced. It is the better way to solve this problem.
var focused = true;
window.onfocus = function() {
focused = true;
};
window.onblur = function() {
focused = false;
};
AFA...
Can Flask have optional URL parameters?
...
If you are using Flask-Restful like me, it is also possible this way:
api.add_resource(UserAPI, '/<userId>', '/<userId>/<username>', endpoint = 'user')
a then in your Resource class:
class UserAPI(Resource):
def get(self, userId, username=None):
pass
...
How to 'minify' Javascript code
...
I have written a tiny script which calls a API to get your script minified, check it out:
#!/usr/bin/perl
use strict;
use warnings;
use LWP::UserAgent;
use HTTP::Request;
use Fcntl;
my %api = ( css => 'https://cssminifier.com/raw', js => 'https://javascript-mi...
Get bitcoin historical data [closed]
...hole Bitcoin trades history from Bitcoincharts in CSV format here :
http://api.bitcoincharts.com/v1/csv/
it is updated twice a day for active exchanges, and there is a few dead exchanges, too.
EDIT: Since there are no column headers in the CSVs, here's what they are :
column 1) the trade's timesta...
How to check if a specified key exists in a given S3 bucket using Java
...ike to check if a key exists in a given bucket using Java. I looked at the API but there aren't any methods that are useful. I tried to use getObject but it threw an exception.
...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
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In my case I'm calling an API hosted by AWS (API Gateway). The error happened when I tried to call the API from a domain other than the API own domain. Since I'm the API owner I enabled CORS for the test environment, as described in the Amazon Documen...
Show Youtube video source into HTML5 video tag?
... later, YT blocked it. It doens't work anymore. :(
– apires
May 3 '17 at 20:02
this doesn't work anymore unfortunately...
OAuth secrets in mobile apps
...ut delegation verification callbacks if the top level provider provides an API to generate and revoke new delegated secrets. Facebook is doing something similar by allowing facebook apps to allow users to create sub-apps.
There are some talks about the issue online:
http://blog.atebits.com/2009/0...
Package objects
...places inside your package as well as outside the package when you use the API defined by the package. Here is an example:
// file: foo/bar/package.scala
package foo
package object bar {
// package wide constants:
def BarVersionString = "1.0"
// or type aliases
type StringMap[+T] = Map[...
What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
... many times. In this time, I learned the value of modularization and very rapidly moved down a path of composite application design.
The basic idea is to "compose" your application's runtime experience and process out of many smaller, individual pieces that don't necessarily know about each other....