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When users add a link within their posts on my site, I want to show a summary text/image from the URL. This is commmonly done by facebook. But how is it done ?
Any JS library/ inbuilt solution that can help me ?
Send the text the user has entered to your server
Have your server side code:
Parse it for URLs
Make HTTP requests for the URLs specified
Extract a summary/images from them (using whatever algorithm you like)
Include those in the response
Use jQuery
$.get("www.google.com", function(data) { do what ever you want to do with the data });
Change the function to extract the page content.
Get function reference
http://api.jquery.com/jquery.get/
Other posts which can help
Can Javascript read the source of any web page?
Related
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I have to build a webservice in order to send a webpage to some others websites.
Theses websites will integrate this webpage inside another one.
I have to send the assets separetely from the webpage.
For performances issues, I musn't use AJAX requests.
One of my javascript files, need businness data in order to display and validate form fields according to complex business rules (Administration).
So far I'm using a "js.twig" template, so I can easily add my data to my script.
However, I'm asked to minify this file (performance and intellectual property).
How can I minify my file "on the fly" ?
Update :
I'm not asking for a tool. I already have one. I need leads about calling a "minifyier on the fly". Filo gave a pretty good on the subject.
probably this answer can help you:
https://stackoverflow.com/a/15947488/3625883
If you want a library in pure php to perform the compression, you can use https://code.google.com/p/minify/
For installation:
add in composer.json
"mrclay/minify": "2.2.0"
Then you can use Assetic filter: jsminplus (https://github.com/jbroadway/assetic/blob/master/lib/JSMinPlus.php )
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I'm working in a very limited environment and I cannot use any API that requires authentication. The API at https://openlibrary.org would be perfect, but it does not serve a book summary. All I need to do is get a book summary (akin to the back cover of a book) from an ISBN number that I pass.
I have to use javascript because I only have access to the client-side code.
Based on Amazon's Product Advertising API documentation:
ItemLookup
EditorialReview Response Group
You should be able to, without authentication, pull up the Product Description for a book using a request to:
http://webservices.amazon.com/onca/xml?
Service=AWSECommerceService&
AWSAccessKeyId=[AWS Access Key ID]&
Operation=ItemLookup&
ItemId=[ISBN]&
IdType=ISBN&
ResponseGroup=EditorialReview&
Condition=All&
Timestamp=[YYYY-MM-DDThh:mm:ssZ]&
Signature=[Request Signature]
Yes, you may have to sign up for an Amazon access key, and there may be rate-limiting which applies to your request, but this should get you there without maintaining a user authentication session.
A Google Web Search API might be helpful too (https://www.google.com/search?q=0596002068&)
Then consequently scrape the first result using something like https://www.mashape.com/warting/scrapegoat#!endpoint-scrapePrerendered
I was able to get the summary of the book like below:
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Is there any code or service to add Watermark in pictures via Javascript on website.
I am running my website in blogger and i want my pictures to get watermark. I have already added approx 600 pictures, and I can't download them and do via photoshop. Is there any alternative via Code , i can auto-watermark my pictures in my blogger site.
Pictures are hosted in Picasa.
Thanks
check this one http://www.patrick-wied.at/static/watermarkjs/
but take care still any person can access the original photo without water mark
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This problem can be addressed to all CNN articles,
In example:
http://edition.cnn.com/2013/08/08/health/gupta-changed-mind-marijuana/index.html
I'd like to show, open or expand all the comments, instead of clicking 'Load more comments' which takes forever.
For example for Reddit, there is a plugin for Chrome.
But I'm looking for jQuery/JS code to achieve that.
First (change the focus of your console to the comments iframe)
Example: URL =
http://disqus.com/embed/comments/?f=cnn&t_i=%2F2013%2F08%2F08%2Fhealth%2Fgupta-changed-mind-marijuana%2Findex.html&t_u=http%3A%2F%2Fwww.cnn.com%2F2013%2F08%2F08%2Fhealth%2Fgupta-changed-mind-marijuana%2Findex.html&t_e=Why%20I%20changed%20my%20mind%20on%20weed&t_d=Dr.%20Sanjay%20Gupta%3A%20Why%20I%20changed%20my%20mind%20on%20weed%20-%20CNN.com&t_t=Why%20I%20changed%20my%20mind%20on%20weed&t_c=207582&s_o=default&disqus_version=1375990054#1
Once you are in the comments page / iframe focus execute the following javascript in your chrome console:
setInterval(function(){
if (!$('div.load-more a').hasClass('busy')) {
$('div.load-more a').click()
}
},1000)
I don't know precisely what you are aiming to by expanding all comments but you might want to check this post:
Get all comments from disqus rss feed
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I'm new in programming with Python. I just want to create a little webcrawler.
I already created my idea in C# but my Raspberry Pi doesn't support the Mono project in the right way (There is a long theard about a special problem, which is still not solved and this for about a year now). Because of this I need to code it in Python. I want a simple application which opens a website, waits some seconds till the JavaScript changes some stuff on the website (some simple links) then it needs to find a specific link by his id. When it finds the link, it needs to visit / click the link so that I can see the source code of the new website for other works later. Perhaps you guys could help me out with some links? I already searched by my self but I couldn't find anything what could help me directly.
Thank you all!
You need Selenium with Python.