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Showing posts with the label Ruby

Pluck Last Value Of An Association In Rails

The model Price has an attribute data, so Price.pluck(:data) results in something like [3.99,4.55,… Read more Pluck Last Value Of An Association In Rails

Any Suggestions For A Ruby Solution For Populating A Sqlite Database From A Mysql Source

I have a Rails application that uses MySQL. The application needs to populate sqlite databases to … Read more Any Suggestions For A Ruby Solution For Populating A Sqlite Database From A Mysql Source

Rails 4: Left Join Getting Values Of Joined Model

I have 3 models: class User :destroy end class Movie :mid Solution 1: I think that Rails is not… Read more Rails 4: Left Join Getting Values Of Joined Model

Installing Sqlite3 On Ubuntu Not Playing Nice

When trying to install this through jenkins on Ubuntu, I'm running into some issues. I've … Read more Installing Sqlite3 On Ubuntu Not Playing Nice

Rails Activerecord Eager Load Takes A Long Time

I am using eager loading to join two of my tables Model1.eager_load(:model2) The Model1 table has … Read more Rails Activerecord Eager Load Takes A Long Time

How To Run Raw Sql Queries With Sequel

I am not clear yet on the proper way to run raw SQL queries with Sequel. Currently I am trying this… Read more How To Run Raw Sql Queries With Sequel

Ruby Nubie On Osx - Can't Get Beyond Rake Db:migrate - Get [bug] Bus Error

Original problem: I'm (a newbie to ruby) using RVM to manage my ruby on Mac OSX 10.6 Here's… Read more Ruby Nubie On Osx - Can't Get Beyond Rake Db:migrate - Get [bug] Bus Error

Faster Database Where For Rails Availability Calendar

I'm building a Ruby on Rails hostel bed reservation system and I'm looking for a better way… Read more Faster Database Where For Rails Availability Calendar

How Do I Put A Ruby Function Into A Sqlite3 Query?

I have a function which I need to put into a SQLite3 query. I have the following method: def levens… Read more How Do I Put A Ruby Function Into A Sqlite3 Query?

Rails Sql Query On Unknown (dynamic) Number Of Queries Using Like

I have a Rails search form that performs a dynamic query. That is, the user enters a search like: (… Read more Rails Sql Query On Unknown (dynamic) Number Of Queries Using Like

One-click Install For Ruby/rails/sqlite?

I'm used to the One-Click install local environments of MAMP. Is there a Ruby equivalent... a d… Read more One-click Install For Ruby/rails/sqlite?

Gem::loaderror: When Trying To Deploy On Heroku - Rails 4

I am trying to deploy an app (just a simple app from a Rails tutorial) to heroku but it keeps givin… Read more Gem::loaderror: When Trying To Deploy On Heroku - Rails 4

Sequel Gem Increment

I am trying to use the Ruby Sequel gem for DB operations. I am stuck for incrementing and decrement… Read more Sequel Gem Increment

Can't Push My Code To Heroku Master

I tried to push my application to heroku but got some errors. Please help many thanks github link: … Read more Can't Push My Code To Heroku Master

Sqlite, Ruby On Rails. How To Get The Top Voted Objects With Acts_as_votable Gem?

I'm trying to display the best 3 Recipes from the last 7 days. The best is dependant on the amo… Read more Sqlite, Ruby On Rails. How To Get The Top Voted Objects With Acts_as_votable Gem?

Sqlite3 And Postgres/heroku Ruby On Rails Query Issues

I am trying to query by joining two tables from my database. The query works prefectcly in localhos… Read more Sqlite3 And Postgres/heroku Ruby On Rails Query Issues

Ruby Strftime '%-m' Not Working In Query

My goal is to query Items by their user_id, year created, and month created. I am using sqlite3 in … Read more Ruby Strftime '%-m' Not Working In Query

Trying To Create A Rails Model Scope Query For Records Since Date X, Use A Lambda?

I think I will want to use combine a model level finder with a lambda. named_scope :recent_snaps, l… Read more Trying To Create A Rails Model Scope Query For Records Since Date X, Use A Lambda?

Pros/cons Of Storing Serialized Hash Vs. Key/value Database Object In Activerecord?

If I have several objects that each have basically a Profile, what I'm using to store random at… Read more Pros/cons Of Storing Serialized Hash Vs. Key/value Database Object In Activerecord?

Activerecord Migration Not Executing

I am new to rails, and created a custom migration to change my database structure using Rails Gener… Read more Activerecord Migration Not Executing