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##About Rules and Runners

Stefan Birkner

@stefanbirkner

##JUnit – The Basics

public class MyTest {

@Test

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Show the exit code of the last command:

echo $?

Reuse the last part of the previous command:

new_command !!:$

Remove new line from end of file

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sudo apt-get install python-sphinx
sphinx-apidoc -o dist <module>
sphinx-build -b html source build

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Semantic Wrapper

Generates classes that wrap other classes. Such wrapper classes can be used for named parameters in order to write better code.

Installation

The Semantic Wrapper Maven plugin is available from Maven Central.

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#Rule and Runners

idealo

@StefanBirkner

##Rule

• Code Duplication
• Before/After

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Show timing information

curl -o /dev/null -s -w %{time_connect}:%{time_starttransfer}:%{time_total}

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import Color exposing (..)
import Graphics.Collage exposing (..)
import Graphics.Element exposing (..)
import Mouse
import Window

type alias Box = (Int,Int)
type alias Editor = { boxes: List Box }

main : Signal Element

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function concat(firstText, secondText) {
  return firstText + secondText;
}

function escape(key) {
  if (key.match(/^[A-Za-z0-9\-\_]+$/))
    return key
  else
    return `"${key}"`
}

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Use Vim as a hex editor

1. Open the file in Vim.
2. Run the command :% ! xxd
3. Edit.
4. Once done, run :% ! xxd -r
5. Save.

Original source: https://stackoverflow.com/questions/827326/whats-a-good-hex-editor-viewer-for-the-mac