Why did I get an empty list using Scrapy shell?

The website is “https://www.jbhifi.com.au/collections/laptops“. I’m trying to crawl the href for the “next page”. But why scrapy shell returns an empty list? I’m using the statement: response.css(“li.ais-pagination–item ais-pagination–item__next a”).xpath(“@href”) Please show me how to scrape this using Scrapy. I suspect this is because the class starts with “ais” (but don’t know why it causes the…

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What can cause the chainstate database to become corrupted?

I have written a tool that accesses the chainstate LevelDB database to get a list of UTXOs. https://github.com/in3rsha/bitcoin-utxo-dump/blob/master/utxodump.go The tool would originally corrupt the database every time I accessed it, forcing me to run bitcoind -reindex-chainstate to fix it. I was able to get around this by adding a no compression option when accessing the…

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Tortoise SVN – menu items are not showing up

I unchecked commit in settings, but still it is not coming in context menu. Not only commit , anything is not coming in context menu except SVN checkout,SVN Repo-browser,SVN import,SVN export,SVN create repository. Screen shots are below. I have tried with “TortoiseSVN-1.10.5.28651-x64-svn-1.10.6”, and “TortoiseSVN-1.13.1.28686-x64-svn-1.13.0”. Both are having same issues. Can anybody say how to solve…

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Tortoise SVN – menu items are not showing up

I unchecked commit in settings, but still it is not coming in context menu. Not only commit , anything is not coming in context menu except SVN checkout,SVN Repo-browser,SVN import,SVN export,SVN create repository. Screen shots are below. I have tried with “TortoiseSVN-1.10.5.28651-x64-svn-1.10.6”, and “TortoiseSVN-1.13.1.28686-x64-svn-1.13.0”. Both are having same issues. Can anybody say how to solve…

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why my job are not performed during test?

here a small description of my code (simplified) app/jobs/ class GenerateInvoiceJob < ActiveJob::Base queue_as :default def perform() Invoice.create end end app/models/ class Product < ActiveRecord::Base def buy GenerateInvoiceJob.perform_later end end spec/jobs RSpec.describe AnotherJob, type: :job do context “with filter” do … end end spec/models RSpec.describe Product, type: :model do describe ‘#buy’ do it “should generate…

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is there a way to return the kind of the type of an element?

dict(map(lambda x,y:(x,type(y)) ,new_row.keys(),new_row.values())) #this return {‘customer_name’: <class ‘str’>, ‘customer_id’: <class ‘str’>, ‘customer_age’: <class ‘int’>, #’customer_city’: <class ‘str’>, ‘phone_num’: <class ‘str’>} #but I need : {‘customer_name’: str, ‘customer_id’: str, ‘customer_age’: int, ‘customer_city’: str, ‘phone_num’: str}

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