UPDATE HTML You can make them with a single div. It's nice to have classes for each direction possibility. <div class="arrow-up"></div> <div class="arrow-down"></div> <div class="arrow-left"></div> <div...

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Create a triangular shape

A scaffold in Rails is a full set of model, database migration for that model, controller to manipulate it, views to view and manipulate the data, and a test suite for each of the above. To generate a scaffold for a blog use the rails gener...

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Scaffolding in Rails

Generate a controller rails generate controller "controller name" "action1 action2 action3" Delete a controller rails destroy controller "controller name" Create Model and Migration rails generate model "model name" This g...

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Ruby on Rails console commands

Connecting for the first time sudo -u postgres psql Set the password \password postgres Logging in psql -h localhost -p <port no> -U <username> <database name> Commands list \h help on SQL commands \? help on psql com...

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PostgreSQL psql console commands

Configure Gmail SMTP in Bootstrap _initAutoload() $config = array('ssl' => 'ssl', 'auth' => 'login', 'port' => 465, 'username' => 'YOUR USERNAME', 'password' => ...

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Sending Email with Zend using Gmail SMTP

Install the rbenv and Ruby dependencies sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties l...

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Create and Deploy a Ruby on Rails 4 App with Postgre...

Download Ruby and install Check ruby installation: ruby -e "puts 1+1" -> 2 irb - for interactive ruby commands Download devkit for corresponding ruby version and extract to c:\devkit Browse to c:\devkit and run this: ruby dk.rb init type...

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Installing Ruby on Windows

SELECT name, birthday, MONTH(NOW()), DAY(birthday), DAY(NOW()), DAY(NOW())+7 FROM test WHERE MONTH(birthday) = MONTH(NOW()) AND DAY(birthday) BETWEEN DAY(NOW()) AND DAY(NOW())+7

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MySQL: Birthdays in a week

The solution is to keep count of the number of times the function is called to execute AJAX request and on failed requests recall the function. The retryLimit can be modified to the number to times the AJAX function is called. function callback()...

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Retry failed AJAX request

Forgot mysql server password? Are you looking at this page because you cannot access the mysql server installed on your pc/server when you were trying to see if it works well? Or do you receive error messages like the following? : ERROR 1045: Ac...

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Reset MySQL root password

Development Install Ruby Install DevKit (http://rubyinstaller.org/downloads/) gem install capistrano --no-ri --no-rdoc Deployment Machine Update the software sources list And upgrade the dated applications: aptitude update aptitud...

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Capistrano - Installation and configuration

To run server.js, the socket.io file Install nodejs globally. install npm globally go to your project folder and install npm modules npm install connect npm install socket.io Make sure the port your're using is open in the iptables, if not...

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Configuring Socket IO on server