From the exception, it seems that json in the second response is an array with only one element, so the output of puts json is the same (brackets don’t get output with puts), but json[“string”] fails because [] expects an Integer to use as index. Check p json or that json.is_a?(Array) and if it is … Read more
To a first approximation: ActiveRecord::Base.connection.query_cache.clear
Try %% it might work to escape.
You can find a lot of information here: rbenv on github To list all available installation candidates: rbenv install -l To install a ruby version you need (for example): rbenv install 2.0.0-p643 So that you will only use this ruby version in this specific folder and not affect anything else you can do: rbenv local … Read more
Found some links to shared-mime-info on the GitHub link I posted, and I solved the issue by running the command below and starting a new project: brew install shared-mime-info
Programming Ruby mentions them in the chapter about strings. Related to %q{} and %Q{} is %{} which is the same as %Q{}. Also, the delimiters “{}” I show can be a matching pair of delimiters, so you could use [], (), etc. %q{} is the same as using single-quotes to delimit a string. %Q{} is … Read more
You need to use a double quote (“) instead of a single quote. So replace this: ‘\n’ with this: “\n” Read more about it here. You might want to use \r\n instead if you want your line-endings to be CRLF instead of LF (some Windows editors such as Notepad won’t see a LF linebreak).
There are four types of callbacks accepted by the callback macros: Method references (symbol), callback objects, inline methods (using a proc), and inline eval methods (using a string). Try this? after_update -> { cache_bust(true) }
This has already been shared in a comment, but just to provide a complete-ish answer… You have these tools at your disposal: x matches x exactly once x{a,b} matches x between a and b times x{a,} matches x at least a times x{,b} matches x up to (a maximum of) b times x* matches x … Read more
Regexp.new(Regexp.quote(‘http://www.microsoft.com/’)) Regexp.quote simply escapes any characters that have special regexp meaning; it takes and returns a string. Note that . is also special. After quoting, you can append to the regexp as needed before passing to the constructor. A simple example: Regexp.new(Regexp.quote(‘http://www.microsoft.com/’) + ‘(.*)’) This adds a capturing group for the rest of the path.