code Shows a method's code with syntax highlighting. Tries to find a Ruby definition of the method first, then falls back to the C version (if thecore_docsgem is available). Setup gem install code core_docs Usage >>Code.for:require# in /home/jan/.rvm/rubies/ruby-2.2.1/lib/ruby/sit...
Ruby LSP is able to usesemantic syntax highlightingand styling due to its rich understanding of a project source code. For example, it can highlight: Method invocations consistently, without confusing it with local variables. Local arguments (such as method, block or lambda arguments) consistently...
Suture.verify(:my_type,{:subject=>method(:old_method),:comparator=>->(recorded,actual){recorded.data_thing==actual.data_thing}}) Comparing two ActiveRecord objects Let's face it, a massive proportion of legacy Ruby code in the wild involves ActiveRecord objects to some extent, and it's im...
RubyVM::YJIT.runtime_stats returns Code GC metrics in addition to existing inline_code_size and outlined_code_size keys: code_gc_count, live_page_count, freed_page_count, and freed_code_size. Most of the statistics produced by RubyVM::YJIT.runtime_stats are now available in release bui...
In the openedlib/hello_rubymine.rbfile, add the following code: require"hello_rubymine/version"moduleHelloRubyminedefself.greet(name)puts"Hello,#{name}! I'm Ruby!"endend After we've made all changes in*.gemspec, we can build a gem: ...
To take a screenshot, use save_screenshot method:1 > browser.save_screenshot "phantomjs.png" 2 => #<File:phantomjs.png (closed)> To get page HTML, use1 > browser.page_source 2 => "<!DOCTYPE html><html itemscope=\"\" 3 itemtype=\"http://schema.org/WebPage\"><head><meta 4...
A method export will be a delegate type, while a property export will be a value that is the result of invoking the property. Using export_attr and export_method would help to disambiguate this case clearly. Imports Imports are a bit simpler. I think that a single mechanism for importing ...
Includes source code inspection, a live REPL and local/instance variable inspection for all stack frames. bullet - help to kill N+1 queries and unused eager loading. meta_request - Supporting gem for Rails Panel (Google Chrome extension for Rails development) peek - Take a peek into your ...
exec_nameendifexec_name# 如果没有找到符合条件的gem,抛出异常unlessspec=specs.first msg="can't find gem #{dep} with executable #{exec_name}"raiseGem::GemNotFoundException,msgend#返回结果specendprivate_class_method:find_spec_for_exe### Find the full path to the executable for gem +name+....
定义类的语法如下,class ClassNamedef method_name(variables)#some codeendend类的定义要在classend之间,在上面的格式中,ClassName是类名,类名必须以大写字母开始,也就是说类名要是个常量。看下 32、面的例子:class Persondef initialize(name, gender, age)name = namegender = genderage = ageendend若某个...