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2011年11月3日 · ERB: remove whitespaces before tag and after previous newlines, but only if there are only whitespaces before. erubis: useless because <%- %> is the same as <% %> (without = ), and this cannot be used with = which is the only case where -% can be useful.
2010年11月26日 · 49. As @Chowlett mentioned before, erb stands for Embedded Ruby. When you define any file as ".html.erb" that means it's an HTML file with ruby code embedded in it and it is similar to ".rhtml" extension of rails file. You can see a detailed and nice difference between ".html.erb" and ".rhtml" Click Here.
2010年5月5日 · Since .erb is "embedded ruby" by definition, you can embed any ruby code between: <%= and the other: %>, typically all written in one line. In addition, ruby one-line comments start always with #, so the <%=# Comment %> style matches perfectly with both pure-ruby and erb styles for one-line comments. edited Aug 22, 2023 at 22:44.
世界如此美好. Historians argue which “Erb’s Point” should be attributed to the German neurologist Wilhelm Erb. While Erb’s Point most commonly refers to this important area for heart sound auscultation, there is also an Erb’s Point in neurology. This other Erb’s Point is where a group of nerves meet in the neck, and an injury ...
2011年7月15日 · 87. Try this : <%= render 'form' %>. If you do <%= ... %>, it will try to output the thing you put between the tags. But, if you do <% ... %>, then no output is processed, just the code is evaluated. If this is not working, then there is probably something wrong with your user_signed_in? helper method.
Go to File -> Preferences -> Settings. Search for Editor: Default Formatter and select "misogi.ruby-rubocop". Go to File -> Preferences -> Keyboard Shortcuts. Search for Ruby: autocorrect by rubocop. There you have the shortcut to run rubocop in order to automatic format your ruby code following your rubocop settings.
2014年11月11日 · The problem is that your first condition is true, so it stops there. Your first condition: Even if they don't have a booth it will never reach the elsif because the first condition is true. You either need: // code. // code. // code. Or it might be a cleaner approach to separate them into two if/else:
2013年7月22日 · For one or two such conditional logic in your views, I guess its fine but when your code gets bigger and you have multiple if..else..end and looks "cluttery", I think you should look at implementing "Presenter Pattern" which greatly cleans up your views by separating your logic to Presenters.
2016年3月21日 · Maybe since the call is always being made by AJAX and there is a js.erb template available, it just does its thing without complaining. Is there an html.erb template at all? If not, try doing a regular form submit and see if it complains.
2011年8月15日 · I'm doing something similar using erb, and the performance is fine for me. As Jordi said though, it depends what context you want to run this in - if you're literally going to use templates like the one you listed, eruby would probably work better, but I'd guess you're actually going to be passing variables to the template, in which case you want erb.
