selenium ruby tutorial

= ' Snake '= "Snake"IRB (main):003:0> puts "Hello, #{friend}"Hello, Snake.= NilIRB (main):004:0> friend = ' Queit '= "Queit"IRB (main):005:0> puts "Hello, #{friend}"Hello, Queit.= NilHere we can see the following points:Do not declare variablesEach Ruby code will return a valueSingle quotation marks for direct interpretationDouble quotation marks contain strings that are replaced by stringsProgramming modelRuby is a purely object-oriented language. A

Selenium _ page element locating and operation steps tutorial, selenium operation steps [Basic steps] 1. Open the browser; 2. Open the webpage; 3: positioning elements and operations; [Element positioning is the core part of automated testing] Element name Webdriver API Id Find_element_by_id () Name Find_element_by_name ()

Tutorial on the basic usage of Regular Expressions in Ruby programs, ruby Regular Expressions Most of Ruby's built-in types are similar to other programming languages. Mainly include strings, integers, floats, and arrays. However, only script languages such as Ruby, Perl, and awk provide support for built-in expression

Tutorial on creating and using hash in Ruby and ruby hash Hash is a set of key-value pairs similar to "employee" => "salary. Hash indexes are completed by any key of any object type, rather than an integer index. Others are similar to arrays. The hash traversal order by key or value seems random, and is generally not in the insertion order. If you try to access

1. Auxiliary methods2. StringEnter "IRB" into the ruby command-line development environment, and the controller starts by executing "rails console" on the command line.(1) String connection>>"foo"+"bar"="foobar" (2) Interpolation by special syntax #{}>>first_name="Amy" ="Amy">>" #{first_name} Sun"+"Amy Sun "(3) The difference between a single-quote string and a double-quote string: Single-quote strings they really are literal values, contain only the

Before you start About this tutorial Ruby on Rails (rails) is a full-stack WEB application framework written in Ruby, and Ruby is a rich, free, extensible, portable, object-oriented scripting language. Rails is very popular among WEB application developers. With it, you can quickly and efficiently develop We

Python crawler tutorial -26-selenium + PHANTOMJS Dynamic Front-end page: javascript: JavaScript a literal-translation scripting language, a dynamic type, a weak type, a prototype-based language, and a built-in support type. Its interpreter, known as the JavaScript engine, is widely used in the client's scripting language as part of the browser, and is first used in HTML (an applicatio

I think this article is very interesting, idle to see!Python crawler tutorial -28-selenium manipulating ChromePHANTOMJS Ghost Browser, no interface browser, no rendering page. Selenium + Phantomjs is a perfect match before. Later in 2017, Google announced that Chrome also announced support for non-rendering. So PHANTOMJS use more and less people, it is a pity, th