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采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...下代码即可获得相关数据：select * from html
where url='http://www.dangdang.com/'
and xpath='//ul[@id="homepage_promotion_count_ul"]/li/p[@class="name"]/a'通过指定XPath，就能得到想要的数据，如果不熟悉XPath，可以通过Firebug获得：通过Firebu...
Play an audio file using jQuery when a button is clicked
...ment.createElement('audio');
audioElement.setAttribute('src', 'http://www.soundjay.com/misc/sounds/bell-ringing-01.mp3');
audioElement.addEventListener('ended', function() {
this.play();
}, false);
audioElement.addEventListener("canplay",function(){
...
How to get Url Hash (#) from server side
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
how to draw smooth curve through N points using javascript HTML5 canvas?
...through all the sample points, but it is much more complicated (see http://www.cartogrammar.com/blog/actionscript-curves-update/)
Here is the the drawing code for the approximation method:
// move to the first point
ctx.moveTo(points[0].x, points[0].y);
for (i = 1; i < points.length - 2...
Rails check if yield :area is defined in content_for
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
MVC DateTime binding with incorrect date format
...ain date by clicking on a link for that day (perhaps something like http://www.melsflighttimes.com/Flights/2008-11-21), and then want to email that link to my colleague in the US. The only way that we could guarantee that we will both be looking at the same page of data is if the InvariantCulture is...
Run cURL commands from Windows console
...ass GET parameters to the page. I used this with a PHP page. curl https://www.example.com/mypage.php?action=hello. In the mypage.php script, $_GET['action'] is empty
– Stephen R
Jun 26 '19 at 0:31
...
What is a coroutine?
...e coroutine:
launch{}
async{}
You can learn more from here :
https://www.kotlindevelopment.com/deep-dive-coroutines/
https://blog.mindorks.com/what-are-coroutines-in-kotlin-bf4fecd476e9
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What's the best way of scraping data from a website? [closed]
... information and query parameters are being passed around. Fiddler (http://www.telerik.com/fiddler) and Charles Proxy (http://www.charlesproxy.com/) are popular tools. I use mitmproxy (http://mitmproxy.org/) a lot as I'm more of a keyboard guy than a mouse guy.
Some kind of console/shell/REPL type ...
Git update submodules recursively
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...