Questions tagged [Ruby] (1569)

html_content = "<div style=\"padding: 0;\"> <blockquote><span edit=\"false\">test</span></blockquote> </div>" html_content.gsub!("<span edit=\"false\">", ") html_content.gsub!(/<\/span><\/blockquote>/i, "</blockquote>") html_content.gsub!(/blockquote>/i, "bloc...

There is a line like this f = '1232132131, 12321321, 34232423423, 324234234234'You need to count the number of elements. I know that for a list of words works here f.split(/[^-a-zA-Z]/).size How to convert it into a variant with numbers, maybe there is an easier way?

you need be able to chain actions ie 2 + 2 4 + 5 9 and so on, and the work stack (container first came in - last out), and that the calculator could display the last Prime number (and write it in the stack) Calculator has started 3 primes 10 7 // prints the last Prime number, all the number of writes in the stack po...

there's a calculator: --, sqrt, sin, cos, tan, ctan, exp, ln, ! that would be considered? on request output sin sine, and so on. I at least just an example, I will do the rest. Thank you very much in advance. how to add in this support # chain calculator while true do puts "Calculator has started" print 'Type numbe...

Can you please explain each line of this code in Sinatra: require 'sinatra' get '/' do 'Hello world!' end

An example of any large site written in Sinatra framework and a stack of used technologies

Type of object to copyobj = { id: 1 models: [ { id: 1, parent_id: nil }, { id: 2, parent_id: 1 }, { id: 3, parent_id: 1 }, { id: 4, parent_id: nil }, { id: 5, parent_id: 4 }, { id: 6, parent_id: 4 } ] } The object exists of this type. praent_id is the ID of the same model which is nil. When you copy it using th...

Good time of day. The challenge is that the STDOUT of hundreds of millions of rows. Your code runs in a Docker container with 2 cores and 4 GB operativki. Ruby 2.7.0 Now pseudoceratina: There are several files ( each from 2 000 000 to 3 000 000 rows) that are read line by line, each line is displayed from 10000 to 150000 t...

There is a text string, in which is found an excuse my I have offer this as an excuse to replace me, but if for example the word will meet this sequence of letters inside the words did not need to change, only self-standing preposition, how could it be done?

Hello, how can having the domains to find out information about their certificates, well and accordingly the test is expired or not and other SSL errors. Verification should be carried out without a third party API and services. You can use openSSL. Can "poke" where to draw resources ?