if string =~ /[A-Z]/ #检查字符串中是否有大写字符 puts "string contains uppercase charcters" end if string =~ /[A-Z]/ and string =~ /a-z/ #检查字符串中是否既有大写又有小写字符 puts "string contains mixed case" end if string[0..0] =~ /[A-Z]/ #检查字符串中第一个字符是否...
If there is ~/.rdbgrc, the file is loaded as an initial script (which contains debug commands) when the debug session is started. RUBY_DEBUG_INIT_SCRIPT environment variable can specify the initial script file. You can specify the initial script with rdbg -x initial_script (like gdb's ...
input_filenames.eachdo|filename|# Two arguments:# - The name of the file as it will appear in the archive# - The original file, including the path to find itzipfile.add(filename,File.join(folder,filename))endzipfile.get_output_stream("myFile"){|f|f.write"myFile contains just ...
After you’ve specified all the options, clickCreatein theNew Projectdialog. RubyMine will create a new Gem application. Code for gems is placed within thelibdirectory. Ournewly createdproject contains thehello_rubymine.rbfile in this folder. Let's add working code for our gem: ...
Payload of the sigv4 signed event message contains eventstream encoded message which is serialized based on input and protocol To sign events headers_0, signature_0 = signer.sign_event( prior_signature, # hex-encoded string payload_0, # binary string (eventstream encoded event 0) encoder, #...
This piece of code also contains examples forfluent interfaces, which allow declarations to be read out loud as plain English sentences, making it a lot easier to understand what the code is doing: # Stubs the `current_user` method on `controller` to always return `nil`allow(controller).to...
All resource management Azure Resource Management packages that contains “azure-mgmt” will be retired as well as a few client libraries. Note that the Azure Storage SDK for Ruby is excluded from this retirement and continues to be maintained. The Azure Storage SDK for Ruby is available in its...
Ruby returned a string (the thing in double quotes) that contains the text from the browser address bar.It’s time to click on a link. It is easy to explicitly say which link to click on. Right now I want to click on a link with the text Google.com. If your browser already ...
* `truncate` would return the original string if it was too short to be truncated and a frozen string if it were long enough to be truncated. Now truncate will consistently return an unfrozen string regardless. This behavior is consistent ...
<%= @user.name %></h1></section></aside><divclass="col-md-8"><% if @user.micropost.any? %><h3>Miscroposts (<%= @user.micropost.count %>)</h3><olclass="microposts"><%= render @microposts %></ol><%= will_paginate @microposts %> ...