I am getting the following error while trying to add a NOT NULL column to an existing table. Why is it happening ?. I tried rake db:reset thinking that the existing records are the problem, but eve...

So I was trying to run bundle install in my newly created Rails app when I got this error: Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.fram...

I have the following error during sqlite3-ruby install: Building native extensions. This could take a while... ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. ...

I am newbie to Ruby on Rails and I am using SQLite3 as database for my sample project. I am trying to create ordinary one to many relationship between two models (eg. each Product has one Owner, an...

I working on Ubuntu system(16.04). My problem is whenever i setup any rails project and try to run rails s then i got 'incompatible library version' error for sqlite3 something like below. /home/...

After upgrading to OSX Sierra I am having an issue with random segmentation faults. It most commonly occurs when running rails test and I believe it is due to the sqlite3_adapter. My present work ...

I'm trying to install the "sqlite3-ruby" gem (or the "sqlite3" gem) on OS X 10.6. I'm using ruby-1.9.2 and I currently get the following: $ sqlite3 --version 3.7.4 $ sudo gem install sqlite3 Bui...

I'm new to Rails and I'm building a simple project-tracking app for my employer. I've been developing the app on my Mac and pushing it to github. I just managed to clone my github repo to a windows...

I have a simple SQL question. I want to make a 3 column database and I have the following code: sqlite3 meshdb.db "create table t1 (t1key INTEGER PRIMARY KEY, prideID, pubmedID);" When I try to ...

I accidentally ran: sudo gem install sqlite3 instead of: sudo gem install sqlite3-ruby So now when I run gem list I get: gem list *** LOCAL GEMS *** sqlite3 (0.0.7) sqlite3-ruby (1.2.5) ...

I'm creating a Ruby script to import a tab-delimited text file of about 150k lines into SQLite. Here it is so far: require 'sqlite3' file = File.new("/Users/michael/catalog.txt") string = [] # E...

Trying to get Rails up on ubuntu, and I’m having trouble installing sqlite3-ruby – it apparently can’t find sqlite3.h. All the references I can find to the error suggest the problem is either: sqli...

I'm running rspec on a rails 3.0 environment. We've just switched to using sqlite3 in memory database for tests. To get this to work, you need to load the schema each run. The trouble with this i...

I want to have @messages return @folder.messages where the value of column "deleted" is NOT equal to true. I'm not sure why this keeps throwing a SQLException. I guess I'm not formatting the delete...

I'm having issues installing the sqlite3-ruby gem on crunchbang linux. After googling the past few hours and following several people with the same problem, I still haven't gotten it to work. Here...

I'm trying out rvm, and installed ruby 1.9.2 and rails 3 with it. I need to re-install the sqlite3-ruby gem (since rvm keeps all gems separate for different versions of ruby). The problem is, whe...

Upgrading to Rails 3 by starting with RVM 1.8.7. OSX 10.5.8 Output: josh-crewss-macbook:~ joshcrews$ gem install sqlite3-rubyBuilding native extensions. This could take a while...ERROR: Error inst...

On a new machine, installed ruby with the 1-click installer for windows. Installed rails 2.3.2 and all associated gems, then I installed the sqlite3 binaries (into the c:\ruby\bin folder). Lastly I...