iangreenleaf

Rails naming conventions

General Ruby conventions

Class names are CamelCase.

Methods and variables are snake_case.

Methods with a ? suffix will return a boolean.

y13i

前書き

AWS SDKを使ったアプリケーションを作る時credentialsの扱いがいつも面倒なので、ベストプラクティス的なものを考えていきたい。

例として、

$ ruby myec2.rb list

nacyot

• 원제 : 55 Trivia Notations you should know in Ruby
• 원문 : kyoendo
• 출처 : http://melborne.github.io/2013/03/04/ruby-trivias-you-should-know-4/
• 번역 : nacyot [email protected]
• 라이센스 : cc-by-nc

알아두면 도움이 되는 55가지 루비 기법

Ruby는 즐거운 언어입니다. Ruby를 사용하다보면 매뉴얼에도 나와있지 않은 '작은 발견'을 만나게 됩니다. 이러한 '발견'은 프로그램의 질이나

bunnymatic

  # because i can never remember exactly how and when to use concat
  # when building content in helpers
  def nested_content
    content_tag 'div' do
      concat(content_tag 'span', 'span block')
      concat(tag 'br')
      concat(link_to 'root link', root_path)
      concat(tag 'br')
      concat(link_to('#') do
               concat(content_tag 'h2', 'Head \'em off')

shunchu

t = 236 # seconds
Time.at(t).utc.strftime("%H:%M:%S")
=> "00:03:56"

# Reference
# http://stackoverflow.com/questions/3963930/ruby-rails-how-to-convert-seconds-to-time

benilovj

// UIImage+Alpha.h
// Created by Trevor Harmon on 9/20/09.
// Free for personal or commercial use, with or without modification.
// No warranty is expressed or implied.

// Helper methods for adding an alpha layer to an image
@interface UIImage (Alpha)
- (BOOL)hasAlpha;
- (UIImage *)imageWithAlpha;
- (UIImage *)transparentBorderImage:(NSUInteger)borderSize;