Difference between revisions of "Ruby on Rails"
From Wikicliki
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* to rename a file frm file1 to file2 and move file to a different dir: | * to rename a file frm file1 to file2 and move file to a different dir: | ||
<pre>mv file1 dir1/file2</pre> | <pre>mv file1 dir1/file2</pre> | ||
| + | |||
| + | * Current directory: . ("dot") | ||
| + | * Parent directory: .. ("dot dot") | ||
| + | * Home directory: ~ ("tilde") | ||
Revision as of 03:12, 13 May 2012
ruby is a language, rails is a framework object-oriented, general purpose
rails philosophy
- opinionated
- convention over configuration
- don't repeat yourself
- test driven
- minimal code - maximal effect
the tools
- rails
- rake - like maeke for ruby (an easy way to run tasks)
- git - source code control
- database - SQlite
- heroku - fre rails hosting
the command line
- ls - list
- cd - go to directory (use cd ~ to go backwards)
- pwd - "print working directory"
- echo - repeats it (used to echo out $PATH)
- touch - creates a file
- cat - tells info
- mv - move
- cp - copy
- rm - remove (DELETE FOREVER)
- man <command> - tells you more (press q to get out) (man - manual)
- to rename a file frm file1 to file2 and move file to a different dir:
mv file1 dir1/file2
- Current directory: . ("dot")
- Parent directory: .. ("dot dot")
- Home directory: ~ ("tilde")
