Why are preprocessors divisive

Why are Preprocessors divisive? Kianosh Pourian

Who Are you?

Who Are you? No one of consequence

Who Are you? No one of consequence I must know

Who Are you? No one of consequence I must knowGet used to disappointment

Who Are you? No one of consequence I must knowGet used to disappointment Twitter: @kianoshp Blog: innovatorylife.com

What are Preprocessors? In computer science, a preprocessor is a program that processes its input data to produce output that is used as input to another program. The output is said to be a preprocessed formof the input data, which is often used by some subsequent programs like compilers. The amount and kind of processing done depends on the nature of the preprocessor; some preprocessors are only capable of performing relatively simple textual substitutions and macro expansions, while others have the power of full-ﬂedged programming languages.

Preprocessors for the Web

Preprocessors for the WebFor the web, the term usually means a languagethat can be combined with a trans-compiler to output a canonical “web language,” like JavaScript or CSS.

Preprocessors for the WebFor the web, the term usually means a languagethat can be combined with a trans-compiler to output a canonical “web language,” like JavaScript or CSS. More a dialect, less a language.

PreProcessors in the wild

PreProcessors in the wild• Stenographers• Shorthand notes

Preprocessors for Front End DevelopmentHAML Jade Zen-coding

Preprocessors for Front End DevelopmentHAML HTML Jade Zen-coding

Preprocessors for Front End DevelopmentHAML HTML Jade Zen-codingCSS

Preprocessors for Front End DevelopmentHAML HTML Jade Zen-coding Sass/CompassLESS CSS Stylus

Preprocessors for Front End DevelopmentHAML HTML Jade Zen-coding Sass/CompassLESS CSS Stylus JavaScript

Preprocessors for Front End DevelopmentHAML HTML Jade Zen-coding Sass/CompassLESS CSS CoffeeScript IcedCoffeeScript Stylus JavaScript GWT DART

How to Argue Correctly• Scientiﬁc research vs. Political debate• Leave out the vitriol• Semi colon war of 2012 - https:// github.com/twitter/bootstrap/issues/3057• Selector wars of 2008 - http://ejohn.org/ blog/selectors-that-people-actually-use/

Goals of a Discussion

Goals of a Discussion• It should produce a wise agreement, if possible

Goals of a Discussion• It should produce a wise agreement, if possible• It should be efﬁcient

Goals of a Discussion• It should produce a wise agreement, if possible• It should be efﬁcient• It should not damage the relationship between the parties

Tactics for a discussion

Tactics for a discussion• Separate the people from the problem

Tactics for a discussion• Separate the people from the problem• Focus on interests, not positions

Tactics for a discussion• Separate the people from the problem• Focus on interests, not positions• Invent options for mutual gain

Tactics for a discussion• Separate the people from the problem• Focus on interests, not positions• Invent options for mutual gain• Insist on objective criteria

Discussion Self Preparation

Discussion Self Preparation• Retain the willingness to be convinced

Discussion Self Preparation• Retain the willingness to be convinced• Imagine where others are coming from

Discussion Self Preparation• Retain the willingness to be convinced• Imagine where others are coming from• Account for your own taste

Discussion Self Preparation• Retain the willingness to be convinced• Imagine where others are coming from• Account for your own taste• Account for your own emotions

Rules of engagement

Rules of engagement• Be nice

Rules of engagement• Be nice• Speak with surgical precision

Rules of engagement• Be nice• Speak with surgical precision• Be honest in your characterizations

Rules of engagement• Be nice• Speak with surgical precision• Be honest in your characterizations• Dont rise to the bait of others vitriol

Common Arguments

Common Arguments I know CSS/JavaScript why do I need to learn Sass/CoffeeScript?

Common Arguments I know CSS/JavaScript why do I need to learn Sass/CoffeeScript?Compiler? I don’t need no stinking compiler!!

Common Arguments I know CSS/JavaScript why do I need to learn Sass/CoffeeScript?Compiler? I don’t need no stinking compiler!! Large learning curve

Common Arguments I know CSS/JavaScript why do I need to learn Sass/CoffeeScript?Compiler? I don’t need no stinking compiler!! Large learning curve Convince me!!

Why do we have preprocessors?• Fill a void or short-coming• Streamline development• Ease of use

How to end the argument• Don’t be afraid to walk away• Give them something to think about• In regards to pre-processors, history is on the pre-processor side • CSS4 will have variables • JavaScript Next (6.0) will have arrow functions

Thank You• Blog: innovatorylife.com• twitter: @kianoshp• LinkedIn: http://www.linkedin.com/in/ kianoshpourian

Why are preprocessors divisive

by Kianosh Pourian on Aug 23, 2012

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