Difference between revisions of "Ruby-haml"
From Bashlinux
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<pre><nowiki> |
<pre><nowiki> |
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gem install haml |
gem install haml |
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| + | </nowiki></pre> |
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| + | == Arrays == |
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| + | When print an array with the `collect` method, if is evaluating in the header where "-" can be matched or a property in the form "name:" the result will print a `0000` at the end, because obviously the string in question es evaluated and added to the end. In order to avoid this string, add the method `reject` to the end, so if it found one of the above matched characters/strings, it won't be displayed and then `0000` won't be displayed. |
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| + | |||
| + | <pre><nowiki>#!wiki ruby |
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| + | [email protected] do |prop| |
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| + | %p #{prop} |
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</nowiki></pre> |
</nowiki></pre> |
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Revision as of 09:20, 22 February 2010
Installation
Install as root the ruby gem
gem install haml
Arrays
When print an array with the `collect` method, if is evaluating in the header where "-" can be matched or a property in the form "name:" the result will print a `0000` at the end, because obviously the string in question es evaluated and added to the end. In order to avoid this string, add the method `reject` to the end, so if it found one of the above matched characters/strings, it won't be displayed and then `0000` won't be displayed.
#!wiki ruby [email protected] do |prop| %p #{prop}
