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Running multiple commands in one line in shell
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edited Apr 26 '14 at 1:06
answered Feb 27 '11 at 1:44
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...line to your Post model, after specifying has_attached_file :image
Option 1: Validate content type
validates_attachment_content_type :image, :content_type => ["image/jpg", "image/jpeg", "image/png", "image/gif"]
-OR- another way
validates_attachment :image, content_type: { content_type: ["im...
How do I get the current absolute URL in Ruby on Rails?
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Is there any way to git checkout previous branch?
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From the release notes for 1.6.2
@{-1} is a way to refer to the last branch you were on. ...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
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There is a nice C# wrapper for the Yahoo.Finance API at http://code.google.com/p/yahoo-finance-...
map function for objects (instead of arrays)
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How to backup a local Git repository?
...thub.
#!/usr/bin/env ruby
#
# For documentation please sea man git-backup(1)
#
# TODO:
# - make it a class rather than a function
# - check the standard format of git warnings to be conform
# - do better checking for git repo than calling git status
# - if multiple entries found in config file, spe...
Rebasing remote branches in Git
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186
It comes down to whether the feature is used by one person or if others are working off of it....
Using NSPredicate to filter an NSArray based on NSDictionary keys
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It should work - as long as the data variable is actually an array containing a dictionary wit...
HTTP error 403 in Python 3 Web Scraping
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This is probably because of mod_security or some similar server security feature which blocks k...