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1 order (ActiveRecord::QueryMethods) - APIdock
https://apidock.com/rails/ActiveRecord/QueryMethods/order
FROM "users" ORDER BY name DESC User.order('name DESC, email') # SELECT "users". ... it will explicitly break the syntax on Ruby level, not DB level).
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2 Active Record Query Interface - Ruby on Rails Guides
https://guides.rubyonrails.org/v3.1/active_record_querying.html
The first method returns nil if no matching record is found and no exception will be raised. If your default scope contains an order method, first will return ...
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3 Order a collection as DESC - ruby on rails - Stack Overflow
https://stackoverflow.com/questions/3976295/order-a-collection-as-desc
I wanted to display a league table and order by points desc. After trying out several unsuccesful methods this is what worked for me in this instance.
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4 How to Sort Arrays & Hashes in Ruby (Examples Included)
https://www.rubyguides.com/2017/07/ruby-sort/
The Ruby sort method helps you order your data (arrays & hashes) in whatever way you like, but the sort_by method is even better. Everything explained here.
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5 High Order Methods In Ruby - Medium
https://medium.com/@ralph1786/high-order-methods-in-ruby-cc9c03334c6b
High Order Methods In Ruby · Takes another method/function as an argument. · Returns another method/function as its return value.
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6 Fetch records in a custom order with ActiveRecord in Rails
https://rubyinrails.com/2021/12/14/fetch-records-in-custom-order-with-rails-activerecord/
But, performing operations in Ruby can be avoided if we could fetch the same result directly from the database. Let's try to write a query for ...
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7 Is there a proper "Ruby style" for the order of methods inside a ...
https://www.reddit.com/r/ruby/comments/3ztgdo/is_there_a_proper_ruby_style_for_the_order_of/
Not really, though typically I see the initialize method and class methods toward the top of the class. I'd say put them in an order that ...
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8 Rails: Order by DESC - Chris Mendez
https://www.chrisjmendez.com/2016/12/31/rails-order-by-desc/
Below are a few examples of how to get data from a Keyword model. Method #1 - Using a Controller. Path: app/controllers/keywords_controller.rb.
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9 Ruby on Rails Tutorial => Ordering
https://riptutorial.com/ruby-on-rails/example/8978/ordering
Learn Ruby on Rails - Ordering. ... You can order ActiveRecord query results by using .order : User.order(:created_at) #=> => [#<User id: 2, ...
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10 How to select database records in an arbitrary order
https://www.justinweiss.com/articles/how-to-select-database-records-in-an-arbitrary-order/
When you want to display records in a specific, arbitrary order, you don't need to sort them in Ruby. With a little code snippet, you can let the database ...
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11 Ruby Descending Order Method - DEV Community ‍ ‍
https://dev.to/chair/ruby-descending-order-method-4nac
Ruby Descending Order Method · turns it into a string · splits each character in the string into an array of strings · sorts the array ...
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12 Ruby's Sort and Sort_by | Mix &amp; Go - Learn Ruby on Rails
https://mixandgo.com/learn/ruby/sort
The Ruby sort method works by comparing elements of a collection using their <=> operator (more about that in a second), using the quicksort ...
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13 Ruby Letting a User Reorder a List - Rails
http://underpop.online.fr/r/ruby/rails/tutorial/ruby-on-rails-8-8.html
The order method responds to the XMLHttpRequest calls and updates the sort order in the model. app/controllers/book_controller.rb: class BookController < ...
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14 Class: Array (Ruby 2.4.2)
https://ruby-doc.org/core-2.4.2/Array.html
The order is preserved from the original array. It compares elements using their hash and eql? methods for efficiency. [ 1, 1, 2 ...
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15 Order by created_at and updated_at with scopes and a concern
https://andycroll.com/ruby/order-by-created-and-updated-with-a-concern/
It's a wrapper around a standard Ruby module . Something we often want to do in multiple places in our applications is sorting models by the ...
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16 Active Record Queries | The Odin Project
https://www.theodinproject.com/lessons/ruby-on-rails-active-record-queries
Most queries don't actually return a Ruby object, they just fake it. For example: ... You can chain it onto other methods like #where or #order clauses.
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17 Method: ActiveRecord::QueryMethods#order - RubyDoc.info
https://www.rubydoc.info/docs/rails/ActiveRecord%2FQueryMethods:order
Generated on Thu Nov 17 20:41:53 2022 by yard 0.9.28 (ruby-3.0.2).
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18 Category: Active Record Sortables - The Ruby Toolbox
https://www.ruby-toolbox.com/categories/Active_Record_Sortables
Sortable provides a DSL for defining sort order on any Ruby object To use it, you just call the sortable method and pass it a list of methods and/or blocks; ...
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19 Ruby | Enumerable sort() function - GeeksforGeeks
https://www.geeksforgeeks.org/ruby-enumerable-sort-function/
The sort() of enumerable is an inbuilt method in Ruby returns an array which contains the enum items in a sorted order.
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20 Array Sort Ruby - Linux Hint
https://linuxhint.com/sort-array-ruby/
By default, the method will return the items in the array sorted in ascending order. It works using the spaceship operator, which returns 1 if a value is ...
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21 Query methods: Order, limit, and offset - Ruby on Rails Tutorial
https://www.linkedin.com/learning/ruby-on-rails-5-essential-training/query-methods-order-limit-and-offset
Query methods also allow specifying the sort order of the returned records, the limited number of records that should be retrieved, and the offset or number ...
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22 [Solved]-Rails - Order index by complex sort-ruby
https://www.appsloveworld.com/ruby/100/168/rails-order-index-by-complex-sort
Rails - Order index by complex sort · Sort by date in descending order in ruby in rails · Order of multi column index in rails polymorphic association · Method to ...
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23 Sorting Ruby Array in Descending Order Based on Length of ...
https://www.designcise.com/web/tutorial/how-to-sort-a-ruby-array-in-descending-order-based-on-length-of-each-element
Sorting Ruby array elements with longest length first and the shortest length last ... This would sort the strings of the same length according to ...
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24 ActiveRecord - Part 2: Useful methods - Netguru
https://www.netguru.com/blog/activerecord-tips-2
The second case is more complicated. First, Rails fetches all orders from the database. A collection of Order objects is created. Then Ruby maps ...
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25 Codecademy/o.getting.technical.rb at master - GitHub
https://github.com/nanotechz9l/Codecademy/blob/master/ruby/5.%20Blocks%20and%20Sorting/9.%20Methods%2C%20Blocks%20and%20Sorting/o.getting.technical.rb
The sort method assumes by default that you want to sort in ascending order, but it accepts a block as an optional argument that allows you, the programmer, to ...
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26 Tips for Writing Fast Rails: Part 1 - FastRuby.io
https://fastruby.io/blog/performance/rails/writing-fast-rails.html
At OmbuLabs we like to maintain Ruby on Rails applications. ... Always prefer a SQL query vs. an object's method call.
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27 Ruby Sort Arrays - Dot Net Perls
https://www.dotnetperls.com/sort-ruby
Descending. A descending sort orders the elements from high to low. By default, the sort method works in an ascending order (as from A to Z).
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28 ActiveSupport's #descendants Method: A Deep Dive
https://www.honeybadger.io/blog/hidden-gems-activesupport-descendants/
It's a great lesson in the ins and outs of Ruby's object model. ... If these two modules had methods with the same name, then the order here ...
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29 Ruby on Rails Guides: A Guide to Active Record Associations
https://www.scmsantar.com/scmsantar/shared/bundle/ruby/1.8/gems/railties-3.1.3/guides/output/association_basics.html
Here's the revised code for setting up customers and orders: ... Each instance of the order model will have these methods: ...
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30 Rails Style Guide
https://rails.rubystyle.guide/
It's a complementary guide to the already existing community-driven Ruby ... Each controller action should (ideally) invoke only one method other than an ...
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31 Rails SQL Injection Examples
https://rails-sqli.org/
The Ruby on Rails web framework provides a library called ActiveRecord which provides ... Each method or option described below is accompanied by an example ...
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32 Beginning Programming with Ruby: Customized Sorting
http://www.evc-cit.info/cit020/beginning-programming/chp_07/custom_sort.html
By default, Ruby's sort algorithm always sorts into ascending order. Whenever it gets two items, it uses the comparison operator on them. The comparison ...
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33 ActiveRecord::QueryMethods - RubyDocs
https://rubydocs.org/d/rails-6-0-0/classes/ActiveRecord/QueryMethods.html
FROM "users" ORDER BY name DESC User.order('name DESC, email') # SELECT ... are inserted using the same escapes as the Ruby core method Kernel::sprintf .
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34 Ruby Letters Order In String With Code Examples
https://www.folkstalk.com/2022/09/ruby-letters-order-in-string-with-code-examples.html
Ruby Code Editor: Contribute your code and comments through Disqus. Can I sort string in Ruby? The Ruby sort method ...
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35 Sorting a Rails Resource Based on a Calculated Value
https://blog.awaxman.com/sorting-a-rails-resource-based-on-a-calculated-value
If I had a column in the database called 'days_until_due' I could have used the order method: Reminder.order('days_until_due ASC').
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36 SQL Injection in Ruby | SecureFlag Security Knowledge Base
https://knowledge-base.secureflag.com/vulnerabilities/sql_injection/sql_injection_ruby.html
SQL Injection in Ruby. ... Ruby on Rails provides an interface called Active Record, an object-relational ... The order method accepts any SQL string.
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37 3 ActiveRecord Mistakes That Slow Down Rails Apps: Count ...
https://www.speedshop.co/2019/01/10/three-activerecord-mistakes.html
Changing the order of the code in the partial and changing count to size eliminates the COUNT ... That's just a simple Ruby method on Array.
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38 Querying with Active Record in Ruby on Rails - Culttt
https://www.culttt.com/2015/12/02/querying-with-active-record-in-ruby-on-rails
This will find the user in the database with an id of 123 . You can also pass an array to this method in order to find multiple records in one ...
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39 Rails 6 adds implicit_order_column - BigBinary Blog
https://www.bigbinary.com/blog/rails-6-adds-implicit_order_column
This has impact on methods like first , last and many more where implicit ordering is used. Let's checkout how it works.
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40 Setter Method Return Values In Ruby - Kevin Murphy
https://kevinjmurphy.com/posts/ruby-setter-return-value/
This is our exact case! Our setter method to set the current order is returning the argument passed to it, and not the result of the last line.
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41 Active Record Query Interface — Ruby on Rails Guides
https://doc.bccnsoft.com/docs/rails-guides-4.2.1-en/active_record_querying.html
How to find records using a variety of methods and conditions. How to specify the order, retrieved attributes, grouping, and other properties of the found ...
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42 Ruby Programming - 20 - How to Write a Sort Method - YouTube
https://www.youtube.com/watch?v=I4TD-eCWUWQ
Jake Day Williams
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43 Flow of execution - Ruby for Beginners
http://ruby-for-beginners.rubymonstas.org/writing_methods/control_flow.html
In order to call a method Ruby needs to first evaluate the values that we want to pass. So Ruby now looks at what's between the parentheses, ...
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44 Ruby on Rails Guides: 액티브 레코드 쿼리 인터페이스
https://rubykr.github.io/rails_guides/active_record_querying.html
3 Ordering. To retrieve records from the database in a specific order, you can use the order method. For example, if you're getting a set of records and ...
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45 Tip: Use `to_sql` to see what query ActiveRecord will generate
https://boringrails.com/tips/active-record-to-sql
ruby rails. If you're trying to write a tricky ActiveRecord ... Is it joins(:orders) or joins(:order) ? Should you use where(role: { name: 'Manager' }) or ...
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46 How do you order your class methods? - Ruby-Forum
https://www.ruby-forum.com/t/how-do-you-order-your-class-methods/222071
convenient and can be thought of as a type of logical ordering. If I was trying to be productive, I definitely would not order methods
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47 Method Lookup - The Ruby Programming Language [Book]
https://www.oreilly.com/library/view/the-ruby-programming/9780596516178/ch07s08.html
If no method m is found in the class, Ruby searches the instance methods of any modules included by the class of o . If that class includes more than one module ...
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48 Operator precedence in Ruby - Woman on Rails
https://womanonrails.com/operator-precedence-ruby
For example number 4, the order of operation is the same like for example 3. We have method('a') and 'b' . Text is "My char id a" because of a 'a' ...
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49 How to build a search engine with Ruby on Rails
https://blog.testdouble.com/posts/2021-09-09-how-to-build-a-search-engine-with-ruby-on-rails/
In this way, ordering results based on the greatest of all query rankings can effectively compare results across all the criteria we've ...
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50 order - Railsドキュメント
https://railsdoc.com/page/model_order
Translate this page
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51 A Visual Guide to Using :includes in Rails - Gusto Engineering
https://engineering.gusto.com/a-visual-guide-to-using-includes-in-rails/
Note that the code snippets are using Ruby 2.3.4 with Rails 4.2.11. ... will use either the ActiveRecord method :preload or :eager_load .
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52 How to use Scopes in Ruby on Rails | Web-Crunch
https://web-crunch.com/posts/how-to-use-scopes-ruby-on-rails
... assign complex ActiveRecord queries into customized methods using Ruby on Rails. ... date, date ranges, ordering, groupings, and more.
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53 Learn Ruby: Blocks and Sorting Cheatsheet - Codecademy
https://www.codecademy.com/learn/learn-ruby/modules/learn-ruby-blocks-and-sorting-u/cheatsheet
In Ruby, the .sort array method is used to sort items in an array in ascending order (least to greatest).
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54 sortable | RubyGems.org | your community gem host
https://rubygems.org/gems/sortable/versions/0.1
Sortable provides a DSL for defining sort order on any Ruby object To use it, you just call the sortable method and pass it a list of methods and/or blocks; ...
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55 Sorting an array of objects in Ruby by object attribute? - GoRails
https://gorails.com/forum/sorting-an-array-of-objects-in-ruby-by-object-attribute
If the attribute is exposed via a method (as it would be in the common case for Rails models) then this is how many of us would do it:
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56 Array.sort_by! Method with Example in Ruby - Includehelp.com
https://www.includehelp.com/ruby/array-sort_by-inverse-method-with-example.aspx
If you are invoking the method without the block then the sorting will be done in the ascending order. If you want the sorting to be done in ...
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57 How to Sort a Hash in Ruby
http://www.rubyinside.com/how-to/ruby-sort-hash
Now, what if we want to "sort" the hash into age order? We can't. ... module mixed in which provides us with methods like sort and sort_by .
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58 Debugging Has Many, Through Relationships in Ruby on Rails
https://shannoncrabill.com/blog/ruby-on-rails-debugging-model-associations/
Debugging Has Many, Through Relationships in Ruby on Rails. Debugging Has Many, Through Relationships ... I updated my create order method.
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59 State Machines in Ruby: An Introduction | AppSignal Blog
https://blog.appsignal.com/2022/06/22/state-machines-in-ruby-an-introduction.html
Let's build a simple state machine in Ruby and use the state ... it also automatically exposes a lot of utility methods on an order:.
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60 Exploring Method Arguments in Ruby: Part 1 - OmbuLabs
https://www.ombulabs.com/blog/ruby/learning/method-s-arguments-pt-1.html
Ruby provides a lot of options to pass arguments to our methods, ... This type of argument gets that name because the order you use matters.
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61 Making sense of ActiveRecord joins, includes, preload, and ...
https://scoutapm.com/blog/activerecord-includes-vs-joins-vs-preload-vs-eager_load-when-and-where
I'll explore the when and where of each method below. ... If you have a where or order clause that references a relationship, ...
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62 Ruby hash basics | Ben McLaren - Freelance Developer
https://benmclaren.xyz/articles/ruby-hash-basics/
Method name of calories_counter which takes one parameter (orders) · Initalize the counter at 0 · Iterate over the parameter 'orders' using . · An if statement ...
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63 Ruby on Rails: how do I sort with two columns u...anycodings
https://www.anycodings.com/1questions/5120478/ruby-on-rails-how-do-i-sort-with-two-columns-using-activerecord
In Rails 4 you can do something similar anycodings_ruby-on-rails to: Model.order(foo: :asc, bar: :desc). foo and bar are columns in the db.
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64 Difference between various high order functions in Ruby
https://bloggie.io/@doryfish/difference-between-various-high-order-functions-in-ruby
method: define a function and pass using method(:function_name). (a) Storing into a variable. Let's consider the first criteria. Which of them ...
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65 Queries on Rails - Active Record and Arel (2020)
https://www.imaginarycloud.com/blog/queries-on-rails/
Ruby on Rails shines the most when it comes to getting information ... The Active record object comes with a set of methods to help us query ...
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66 How to sort an array of Ruby objects by multiple class fields
https://alvinalexander.com/blog/post/ruby/how-sort-ruby-array-objects-multiple-class-fields-attributes
Sorting a Ruby array by two or more class attributes may sound difficult, ... and the elements in this array are in the order shown above.
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67 Argument order dependencies - Ruby/Rails Programming
https://codequizzes.wordpress.com/2013/10/06/argument-order-dependencies/
The Company#add_employee method is significantly more readable when it accepts a hash with descriptive key names as an argument. This ...
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68 How to pass arguments to methods in ruby and how it affects ...
https://blog.saeloun.com/2020/01/27/how-to-pass-arguments-to-methods-in-ruby-and-how-it-affects-the-arity.html
These can be called as the default argument type. When you don't know which type of argument to use, use the required arguments. They are order ...
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69 A guide for preloading associations in rails - Benito Serna
https://bhserna.com/guide-for-preloading-associations-in-rails.html
But when you try to fetch a list of posts, the method seems to ignore the ... just the order on the association declaration, and do the selection in ruby, ...
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70 Ruby Programming Language: comparisons & conditionals
https://launchschool.com/books/ruby/read/flow_control
Ruby follows an order of precedence when deciding how to evaluate multiple expressions. ... passed to a method as an argument, or returned by a method.
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71 Always Define respond_to_missing? When Overriding ...
https://thoughtbot.com/blog/always-define-respond-to-missing-when-overriding
ruby-1.9.2-p290> order = Order.new => #<Order:0x00000001e40948> ... order.method(:user_name) NameError: undefined method `user_name' for ...
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72 Three ways of iterating over tree-like ActiveRecord structures
https://prograils.com/three-ways-iterating-tree-like-active-record-structures
Recently, I ran into a problem of refactoring a method responsible ... functions (although it might return records in a different order).
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73 Ruby String Methods Explained - Length, Empty, and Other ...
https://www.freecodecamp.org/news/ruby-string-methods-explained-length-empty-and-other-built-in-methods/
Ruby has many built in methods to work with strings. ... The .reverse method reverses the order of the characters in a string. "Hello World!
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74 Eager loading in Rails (Ruby on Rails) - Allerin
https://www.allerin.com/blog/eager-loading-inwith-rails
Advantages of using eagerloading with ruby on rails. ... User has_many :addresses has_many :orders Address has_many :phones has_one :code ...
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75 Concern. SuperModule is the new sheriff in town! - AirPair
https://www.airpair.com/ruby/posts/step-aside-activesupportconcern-supermodule-is-the-new-sheriff-in-town
Tired of Ruby's modules not allowing you to mix in class methods easily? ... user_id').group('user_id').order('count(id) desc').first.user_id) end end def ...
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76 Ruby-on-rails – Rails: Default sort order for a rails model
https://itecnote.com/tecnote/rails-default-sort-order-for-a-rails-model/
With this method, the query is not actually executed until actual results are needed (lazy evaluation), so 7 scopes could be chained together but only resulting ...
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77 Ruby Methods - w3resource
https://www.w3resource.com/ruby/ruby-methods.php
A method in Ruby is a set of expressions that returns a value. Within a method, you can organize your code into subroutines which can be easily ...
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78 12 ways to call a method in Ruby - Not Only Code
https://www.notonlycode.org/12-ways-to-call-a-method-in-ruby/
... I try to call the same method in Ruby in as many ways as possible. ... I like this one because it reverses the order - user becomes the ...
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79 Rails find_each method with order option
https://veerasundaravel.wordpress.com/2014/11/26/rails-find_each-method-with-order-option/
Rails find_each or find_in_batches methods are looping through a collection of records from the database. This batch processing methods ...
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80 Class Methods - LearnHowToProgram.com
https://www.learnhowtoprogram.com/ruby-and-rails/routing-with-ruby/class-methods
Ruby and Rails · Routing with Ruby; Class Methods ... In order to do so, we'll use class variables, which we'll discuss in the next lesson. Class methods ...
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81 The "Require" Method in Ruby - ThoughtCo
https://www.thoughtco.com/requre-method-2908199
In order to create reusable components, ones that can be easily used in other programs, a programming language must have some way of ...
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82 Advanced Enumeration with Ruby | Cloudbees Blog
https://www.cloudbees.com/blog/advanced-enumeration-with-ruby
With this, you can define an each method on any Ruby object and then take advantage of more than 50 methods for processing and evaluating ...
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83 Ruby Array Methods: A Complete Guide | Career Karma
https://careerkarma.com/blog/ruby-array-methods/
Let's break down how we can sort values in Ruby. Reverse. The reverse method allows us to reverse the order of the elements contained within an ...
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84 Ruby tricks for junior developers - Getaround Tech
https://getaround.tech/ruby-tricks-for-junior-devs/
The dig method can be used on hashes (and Arrays) to, ... In order to prevent this behaviour, ruby has the & operator (since version 2.3) ...
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85 Refactoring with map, pluck and select in Ruby on Rails
https://firedev.com/posts/refactoring-with-map-pluck-and-select-in-rails/
Another thing to keep in mind when using pluck - it returns the array and breaks the ActiveRecord query method chain. And if you need to use the values in a ...
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86 Functional Programming Techniques With Ruby: Part II
https://www.sitepoint.com/functional-programming-techniques-with-ruby-part-ii/
Applying Higher-order Functions: Partial Application and Currying ... In Ruby 1.9, the Proc class gained one new, and extremely useful method: # ...
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87 Alphanumeric Order | ActiveRecord Queries - Ruby on Rails
https://forum.upcase.com/t/alphanumeric-order-activerecord-queries/2208
How about using Ruby's sort method. It accepts an optional block, which allows you to customise how Ruby sorts the results. I found this on ...
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88 Functional Programming with Ruby: Procs, Lambdas ...
https://queirozf.com/entries/functional-programming-with-ruby-procs-lambdas-closures-and-functions
Functional programming is a programming paradigm that emphasizes coding with immutable variables, higher-order functions, avoiding nonlocal side ...
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89 Ruby Operator Precedence - Techotopia
https://www.techotopia.com/index.php/Ruby_Operator_Precedence
Ruby Operators, Ruby Math Functions and Methods ... This is essentially the order in which the Ruby interpreter evaluates expressions comprising more than ...
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90 Order and sort_by difference in Ruby on Rails ActiveRecord
https://newbedev.com/order-and-sort-by-difference-in-ruby-on-rails-activerecord
.order is a ActiveRecord method that adds a ORDER BY clause to the SQL select statement. The database will handle sorting the records. This is preferable in 99% ...
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91 How to Write Fast Code in Ruby on Rails - Shopify Engineering
https://shopify.engineering/write-fast-code-ruby-rails
These are three common ways of defining a method in Ruby. The first most common method uses def . The second uses define_method to define a ...
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92 Custom payment flow | Stripe Documentation
https://stripe.com/docs/payments/quickstart
Install the Stripe ruby gem and require it in your code. ... Before displaying the payment form, Stripe evaluates the currency, payment method restrictions, ...
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93 Quicksort - Wikipedia
https://en.wikipedia.org/wiki/Quicksort
Quicksort is an efficient, general-purpose sorting algorithm. Quicksort was developed by ... meaning that the relative order of equal sort items is not preserved.
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94 Search and Sort in Ruby on Rails 6 with the Ransack Gem
https://deanin.com/blog/ransack/
This can become fairly involved, but for this tutorial you'll just have to modify your index method to match mine. class ArticlesController < ...
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95 Query an Array — MongoDB Manual
https://www.mongodb.com/docs/manual/tutorial/query-arrays/
... on array fields using the db.collection.find() method in mongosh . ... where <value> is the exact array to match, including the order of the elements.
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