How to Use Pluck in Ruby on Rails

Why Use Pluck in Ruby on Rails:

Pluck in ROR is used to get array of particular attribute based on particular condition from database. If you only require a few attributes from a table, rather than instantiating a collection of models and then running a .map over them to get the data you need, it’s much more efficient to use .pluck to pull back only the attributes you need as an array.

The benefits of using pluck are: better SQL performance and less time and memory spent in Ruby on Rails in India.

Standard format of using pluck method is

pluck(*column_names)

Using Pluck:

1. You can select one or more attributes without loading a bunch of records just to grab the attributes you want.
2. You will get array of values of attribute which we pass to it.
3. Pluck also replace select and map while querying.
4. You can avoid extra loops to get ids from the collection of ActiveRecord while using the pluck method.
5. Pluck is useful method in ruby to improving performance of your app.
6. Pluck returns the array and breaks the ActiveRecord query method chain so becareful when you want to query on the result.

Pluck can be use in various ways to improve our code quality as well as speed of app, some of them are shown below

When you want array of ids from a table you can use pluck

eg. Category.pluck(:id)

# => [1, 2, 3]

You can use pluck to get array of multiple attributes from table

eg. Service.pluck(:id, :business_id)

# => [[1, 3], [2, 5], [3, 2]]

If you want unique values of attribute in array you can use pluck as given below

eg. Category.uniq.pluck(:name)

# => ['home', 'apartment', 'hotel']

You can use pluck in query itself

eg. categories = Category.where(name: “home”)

Service.where(category_id: categories.pluck(:id))

# => [1, 2, 3, 4, 5]

All-in-One Messaging Toolbox for Ruby on Rails in India Developers

Give your web and mobile apps the power to exchange messages of any variety, from chat to SMS. You get global reach, delivery intelligence and the highest reliability over both IP and carrier networks, all with minimal development effort.

Here Twilio, is a cloud communications platform. We can able to use it in a various ways. It is specially available for the Ruby on Rails in India developers to get interact with the communication resources like., SMS, MMS, voice or video calls.

Twilio platform is available not only for ruby language but also for many kinds of programming languages like., C#.Net, Java, Python, PHP, Node, Android etc. The availability of the service is really good and easy for the developers perspective which bring something good for the developing application.

Using Twilio we can integrate SMS, MMS, or Voice and Video service in our developing application. It is just a couple of integration steps through which we can use the described services easily.

So, Lets start with the some programming language through which we can use it easily. The following steps with the description implements simple messaging service in our ruby on rails web application easily.

STEP 1.

For implementing SMS service into our rails application by twilio we have to register freely onto https://www.twilio.com. Just after registration we will get the the attributes which we will use into our rails application and that are., TWILIO_AUTH_TOKEN, TWILIO_ACCOUNT_SID, TWILIO_NUMBER.

STEP 2.

Create a simple Rails application using “rails new ” .

STEP 3. gem install twilio-ruby

STEP 4. For the use of SMS service create a controller “Messaging_using_twilio”.

STEP 5. Create a method send_sms into the controller as well as we have to create a view which show only two fields, that are., Message text box and Send button.

STEP 6. Into the send_sms method we need to set three parameters which are we got from twilio account for the service use, that are., twilio_account_sid, twilio_auth_token, twilio_number.

STEP 7. Just below the parameters initialization we will create rest object of the twilio or instantiate Twilio::REST::Client To access Twilio REST resources. The Twilio::REST::Client needs your Twilio credentials(twilio_account_sid, twilio_auth_token, twilio_number). It will return twilio REST resources.

STEP 8. Then just after that we can call the method messages.create() which require :from, :to and :body parameters. The :from is our twilio contact number, :to is our registered contact number (or any contact number if :from number is a paid/ purchased) and :body is nothing but our string message.

STEP 9. The twilio-ruby library will throw a Twilio::REST::RequestError. 400-level errors are normal during API operation (“Invalid number”, “Cannot deliver SMS to that number”, for example) and should be handled appropriately. Through out this way you can easily implement sms service using twilio trial account.

Example

def send_sms

ENV['TWILIO_ACCOUNT_SID'] = "AC48df98e647aeaasdasAASD232bbc26863"

ENV['TWILIO_AUTH_TOKEN'] = "5819a96aed8298f232130f212137b5"

ENV['TWILIO_NUMBER'] = "+11159878489"

begin

client = Twilio::REST::Client.new ENV['TWILIO_ACCOUNT_SID'],

ENV['TWILIO_AUTH_TOKEN']

response = client.messages.create(

from: ENV['TWILIO_NUMBER'],

to: params[:phone_no],

body: "Welcome to Twilio SMS service.")

render json: {:response => response}, status: :ok

rescue Twilio::REST::RequestError => e

render json: {:errmsg => e.message}, status: :ok

end

end

How to Use Pluck in Ruby on Rails

Why Use Pluck in Ruby on Rails:

Pluck in ROR is used to get array of particular attribute based on particular condition from database. If you only require a few attributes from a table, rather than instantiating a collection of models and then running a .map over them to get the data you need, it’s much more efficient to use .pluck to pull back only the attributes you need as an array.

The benefits of using pluck for ruby on rails development in india are: better SQL performance and less time and memory spent in Ruby on Rails.

Standard format of using pluck method is

pluck(*column_names)

Using Pluck:

1. You can select one or more attributes without loading a bunch of records just to grab the attributes you want.
2. You will get array of values of attribute which we pass to it.
3. Pluck also replace select and map while querying.
4. You can avoid extra loops to get ids from the collection of ActiveRecord while using the pluck method.
5. Pluck is useful method in ruby to improving performance of your app.
6. Pluck returns the array and breaks the ActiveRecord query method chain so becareful when you want to query on the result.

Pluck can be use in various ways to improve our code quality as well as speed of app, some of them are shown below

When you want array of ids from a table you can use pluck

eg. Category.pluck(:id)

# => [1, 2, 3]

You can use pluck to get array of multiple attributes from table

eg. Service.pluck(:id, :business_id)

# => [[1, 3], [2, 5], [3, 2]]

If you want unique values of attribute in array you can use pluck as given below

eg. Category.uniq.pluck(:name)

# => ['home', 'apartment', 'hotel']

You can use pluck in query itself

eg. categories = Category.where(name: “home”)

Service.where(category_id: categories.pluck(:id))

# => [1, 2, 3, 4, 5]

Hire ROR Developer for Web Application Development

Contracting ROR designer for your site improvement will help you spare heaps of your time, cash and assets. Moreover, the site composed with Ruby on Rails project will be the least demanding and easy to use site, which will help you gather the right measure of group of onlookers. Enlisting Ruby on Rails engineer will help you to have complete business improvement procedures outlined by target market. Likewise, it would be simple for you to approach your objective clients and get business from them.

You can likewise enlist Ruby on Rails designers on hourly, week after week, month to month and on task premise, and can get reports in same way, so you can dissect the nature of work contingent on your business needs that will bring down your time and cost even significantly. One way out is, you can spare cash as ROR engineers are accessible for employing at extremely reasonable costs. You won't need to contribute additional cash for looking the specialists in this field.

The best thing you can do about Ruby on Rails Developers in india and advancement is you can outsource the improvement administrations or the ROR engineers. There are numerous outsourcing organizations over the world who will give you the best ROR advancement administrations. That will be additional time and cash putting something aside for you than the in-house workers.

You can enlist Ruby on Rails in India engineer or developer either on makeshift or perpetual premise. By doing this you will appreciate the flexibility of working as indicated by your business needs. What's more, if required you can change over the interim contract on a perpetual premise. This will help you to contract correct individual for right employment, and you will appreciate the advantage of getting the right sort of work done through specialists.

Specialized Ruby on Rails in India to get Success That You Need

Given the financial turmoil in today's business sector, numerous are looking for options in which they can get great returns off of their speculation. Organizations, firms and specialists now swing to web application improvement essentially because of its prominence towards a bigger group of onlookers, you just need insignificant advancement since a huge share of clients, and customers are continually looking for new applications and keen web developments.

Taking part in web application development is additionally straightforward and requires less bother particularly on the off chance that you have what it takes to handle all the trouble to make something out of nothing. Obviously, being less troublesome does not imply that this industry request less consideration when truth be told you have to legitimately track the errands and you ought to meet the due dates of each application.

Web application improvement additionally needs a quality workforce to guarantee that you get the sort of administrations that you require. Organizations ought to employ a software engineer and designer that stick to their benchmarks and not construct singularly in light of their capacity to speak well with you yet they ought to have the capacity to convey the undertakings that you require on time. Before you employ a software engineer you ought to never forget that each organization has diverse requirements and that you should assess first the need and need of your organization.

Accessible assets, for example, Ruby on Rails in India are turned out to be extremely advantageous to your achievement in this focused industry. When you procure a software engineer or designer, they ought to have information and related knowledge towards making utilization of structure, for example, Ruby on Rails keeping in mind the end goal to build the profitability of your organization furthermore make an application that is cost and time proficient. Ruby on Rails is an open source structure which implies that it can be promptly available with no expenses online so you can use its elements to your preferring. Mechanical progressions must be utilized as a part of request to give you influence from other set up firms and this will likewise be profitable to your endeavor particularly on the off chance that you need to stay aware of the burning requests of your customers.

Something else that you ought to consider before you employ Ruby on Rails in India is their experience towards the way of your applications. In the event that you need to fulfill the requests of your customers, you ought to have a group of specialists that can satisfy the application needs, web developments and custom application creation. It can be hard to procure a developer nowadays however given the best possible time and assets assignment, you are certain to get the sort of administrations that you require. 

Ruby on Rails in India Offers the Best Development

Ruby on Rails developers working in varying regions of India have taken steps to write web applications in Ruby programming language that helps in communication between stakeholders, and helps to maintain high code quality with a very good standard. It is commonly termed as ROR and is an object oriented program language. It is only because of Ruby on Rails the web application has been created.

Benefits and Advantages of Ruby on Rails

ROR has several web services that work effortlessly by building powerful and well-designed applications. It is very useful for developing data base, supported with web application

• Using simple methods and less code you can very well develop the applications
• It makes easy and quick web solutions development and flexible with different types of web servers and databases for fast implementation
• Provides smooth compliances with various databases and allow the ROR programmers to create the latest user friendly and advanced application
• The ROR framework helps in the speed of development with culture and standard. It is very easy to understand with the help of this programmer
• The development rate possessed by Ruby on Rails in India has been increased by about 40 % as compared to other programming language or framework
• The most important parts of the culture are a social ROR which enables to help others to solve any issue. You can also share with the community.

Tools Developed by ROR Team in India

Ruby on Rail Developers in India has come up with several nice development tools, which include:

• Testing: The Company with the help of quality control department helps to test projects Caching: important factor to develop major internet project and ROR already has regular basic configuration means of caching data
• Routing: ROR has the flexibility to change and configure routing, typing addresses, main sections names and also in a position to quickly change the address without disturbing the whole project address.
• Validating: places all the validation input data perfectly. Users can verify mail id address, password and login.
• Localizing: whenever the user wants to put another language while doing the project then he can open a parallel project which is a copy of it and translate it.
• Database structure:
• Safety: Provides safety measures
• Deployments: tools are used in the deployment process
You can now have the opportunity to enjoy the advantages of Ruby on Rail development in India with the support of rate and cost.

Importance of Ruby on Rails Developers in India

Today, everyone is well aware through Ruby on Rails because this is the very famed web framework application and this is now in the top of the web. This is also a one kind of the technology in web designing world and bewildering for the ruby on rails developers in India. Ruby on Rails is very simple, anyone can start using that and this is very robust and reliable technology of the web world. Ruby has been starting with the dynamic and object-oriented language and this is having much syntax, which is always required during designs. However, there now need to use the whole syntax so use the needed syntax and make the framework easy to understand.

There is some problem is arriving due to the beginner and they need to start up with the beginning. There are some steps, which you need to follow based on the developments and mentioned in this article.

• Need to understand the Ruby you can get the example through online tutorials.
• Installation of Ruby and install Ruby Installer
• You can get the idea from books and online tutorials and through your mentors also.
• Familiar with Git and GitHub because that will deploy your application
• Use the Screencasts, which is already available on RailsCasts.

Those are very much supreme factors inside the rubyon rails developers in India making it right option for modern experts of industry. Those are very required when developments will start and we realize that something supreme is missing and those missing concept is that. In a starting level always required the mentor who guide the best and the complex thing inside the Ruby on Rails and then need to understand the code and take the ability to reviewing the code.

The very supreme concept followed by most of the Ruby on Rails Developers in India is Pair Programming, which is very supreme otherwise; no mean is here for Ruby on Rails. There is code is very useful because through that able to do the pairing and this is for the together working. In the case of working two peoples with each other on that feature so, this helping to both for improving the skill sets. Well, those all things is very good for the developers who is new in the Ruby on Rails and through the basic clear concept, people get enjoying the framework which is easily developed and easy to understand.