A Technical Note
Yeah, this is simple in Rails. date = Date.today start_date = date.at_beginning_of_month end_date = date.at_end_of_month Model.where(:created_at => start_date..end_date) This gives the records created in current month. This is simple because rails save created_at and updated_at in following format: created_at: “2018-09-03 09:49:41” But here in my …
Read MoreAs we know Active Admin (https://activeadmin.info) is a popular Ruby on Rails plugin to generate admin interface. It has many benefit over currently existing other similar plugin like Rails Admin. Active Admin gives the facility to customize pages, layouts. Here is simple demo of Active …
Read MoreRuby gems are the ruby third-party libraries that are created for special purpose. For example, in web application if I want to display large number (>500) of data in a single page, I have to use pagination. For this we have special library build in …
Read MoreSince ActiveAdmin uses Ransack for search, we can use Ransack to grab filter collection using their params. This is old method but it works fine to my Rails 5.0.0 and ActiveAdmin 2.0.0 version. ModelName.ransack(params[:q]).result Here is an example controller do def index if params[:q].present? && …
Read MoreThe software utility cron is a time-based job scheduler in Unix-like computer operating systems. We can schedule cron job to run specific job in a particular date/time. For ruby we have whenever gem to run those cron job. These are the processes to run whenever …
Read MoreIn my User model, I have to check validation presence of state only for users from Nepal. No need to check validation for the users from other country. For this I have implemented as follows: class User < ActiveRecord::Base validates_presence_of :state, :if => :in_nepal? private …
Read MoreRubyConfIndia (http://rubyconfindia.org) is a global event complementing other RubyConf events across the world. This is India edition of ruby conference. This year RubyConfIndia was happened in Bangluru on 9th and 10th Feb 2018. I got chance to attain this event. The event was started with …
Read MoreWhat is Gemset? A Gemset is just a container you can use to keep gems separate from each other. We create separate gemset for different project which only have required gem with version for the particular project. It is a separate directory with version of …
Read MorePaperclip is intended as an easy file attachment library for Active Record. Paperclip is ruby gem which helps to upload image or attachment in rails application. We can upload attachment using paperclip gem in rails through following steps. Add paperclip gem to your Gemfile gem …
Read MoreIn my career I had taken more than 100’s of interviews in my company and the number is raising up. Most of candidate are freshers and some are experienced developers. Fresher candidate apply for entry level job whereas experience developers apply for mid-level and senior …
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