Install Fortunately, nodejs installer was prepared. Ple […]

Routes We need to manage route. Route means that access […]

In Google map, scroll event is already set up. I would […]

Install git in Ubuntu sudo apt-get install git Add defa […]

Ruby Linux, Mac Instruction is RVM Install rvm RVM is R […]

Operations Arithmetic a = "ru" + "by" #=> "ruby" a * 3 […]

Range … This is range object. Example 1 .. 10 #1～ […]

Contents Hash Hash key-value Hash Create hash {}, key = […]

Topics Array Literal How to create new array 2-dimensio […]

Situation We already had Core data file(.xcdatamodel) a […]