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what is the difference between spider and crawler?
and which one should I use? ( i mean which one provide more ffunctions )
You extend the scrapy.contrib.spiders.crawl.CrawlerSpider class when you want to create a spider that uses rules and link extractors to specify how the crawling process will work -- namely, how it should follow links to other pages.
You extend the class scrapy.Spider when you don't need crawling or if you just want to handle it yourself.
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Could you recommend me some ways to scrape data from a web page?
I have been trying to use Python but I am stuck with my code. I was thinking about using Octoparse. This is the webpage (http://www.mlsa.am/?page_id=368), it is a drop-down list where the selection of a previous case allows you to choose other options in the other cases.
You could use scrapy framework specially built for scraping purpose only.
As an starter you can start from official documentation & you will find everything you need from it.
https://docs.scrapy.org/en/latest/intro/tutorial.html
except scrapy you can use beautifulsoup also.
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I'm currently working on a project and my task is to build a feature for users to rate different countries in a dropdown list.
How to add a flag beside the name of the country in drop downlist?
The easiest solution is probably to add the corresponding flag emojis to your country names.
If that doesn't fit your requirements, you will have to integrate a JavaScript library, e.g. jQuery UI.
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What is the best way to export/store items in REST API ?
I want send scraped items to REST API, where should I put my
requests.post(...) ? Any examples ?
Thanks Rubber duck debugging, propably simple pipeline with process_item() method, earlier I thought only about Exporters and FeedStorage
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I'm going to write a post/comment function in Django with models and views.
I need a good example and tutorial.
Or I need an example.
Take a look at Django tutorial: https://docs.djangoproject.com/en/1.6/intro/tutorial01/
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How can we search content(text) within images using plone 4.1. I work on linux Suppose an image say a sample.jpg contains text like 'Happy Birthday', on using search 'Birthday' I should get the contents i.e sample.jpg
Someone has done this before with Plone 3. I think the same approach should work with Plone 4.1 too.
http://plone.org/documentation/kb/ocr-in-plone-using-tesseract-ocr
-Matt
Best is to use collective.DocumentViewer with various options to select from