I know two ways to do this: This will reset your database and reload your current schema with all: This will destroy your db and then create it and then migrate your current schema: All data will be lost in both scenarios.
From the RVM support site: RVM installs everything into ~/.rvm. To remove RVM from your system run ‘rm -rf ~/.rvm’. You may have one additional config file in ~/.rvmrc and of course the RVM hook in your bash/zsh startup files. So, just go to the command line and type rm -rf ~/.rvm All the installed gems are in … Read more
<!– <% end %> –> what is this doing? a html commented ERB tag will still evaluate. Remove it. if you want to comment ruby code use # instead, like <% #end %>
It looks like in Ubuntu that header is part of the libpq-dev package (at least in the following Ubuntu versions: 11.04 (Natty Narwhal), 10.04 (Lucid Lynx), 11.10 (Oneiric Ocelot), 12.04 (Precise Pangolin), 14.04 (Trusty Tahr) and 18.04 (Bionic Beaver)): So try installing libpq-dev or its equivalent for your OS: For Ubuntu/Debian systems: sudo apt-get install libpq-dev On Red Hat Linux (RHEL) systems: yum install postgresql-devel For Mac Homebrew: brew install postgresql For Mac MacPorts PostgreSQL: gem install pg — –with-pg-config=/opt/local/lib/postgresql[version number]/bin/pg_config … Read more
The rake task only clears out files that are stored on the filesystem in “#{Rails.root}/tmp/cache”. Here’s the code for that task. https://github.com/rails/rails/blob/ef5d85709d346e55827e88f53430a2cbe1e5fb9e/railties/lib/rails/tasks/tmp.rake#L25-L30 Rails.cache.clear will do different things depending on your apps setting for config.cache_store. http://guides.rubyonrails.org/caching_with_rails.html#cache-stores If you are using config.cache_store = :file_store then Rails.cache.clear will be functionally identical to rake tmp:cache:clear. However, if you’re using some other cache_store, like :memory_store or :mem_cache_store, then only Rails.cache.clear will clear your app cache. … Read more
Sudo is a Unix specific command designed to allow a user to carry out administrative tasks with the appropriate permissions. Windows does not have (need?) this. Run the command with the sudo removed from the start.