Tagged Questions

Ruby is an open-source dynamic object-oriented interpreted language created by Yukihiro Matsumoto (Matz) in 1993.

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0answers
3 views

Elasticsearch + Tire + PaperClip : Nested objects

I start implementing ElasticSearch in place of a old home-made search engine. I migrate the major part of the code, but I have to render a url provided by paperclip, and I cannot have the right object ...
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6answers
30 views

Built in ruby method for “reshaping” a hash?

Say I have this hash which I just retrieved from a database: original_hash = { :name => "Luka", :school => { :id => "123", :name => "Ieperman" }, :testScores => [0.8, ...
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0answers
9 views

Tumblr Login Script With Mechanize

I'm trying to make a ruby script using Mechanize, so I can login into Tumblr. I have the following script: require 'rubygems' require 'mechanize' def get_page link agent = Mechanize.new page ...
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0answers
7 views

Octopus Database connections

We switched to using Octopus for sharding in our rails2.3/postgresql/resque app because we were maxing out the Disk I/O of our database server. We have 10 databases, each with multiple shards (A shard ...
-1
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0answers
22 views

bitcoin: Assign an individual key for every user and update mysql if the transaction was successfull

I'm currently setting up a webstore, but i have no idea what would be the best approach to archive the following problemset with Bitcoins: I need to generate an individual key for every user and ...
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1answer
35 views

Parsing Ruby code for certain function calls

I want to write a gem that can be used to parse Ruby code and report on whether or not it detects the presence of certain function calls. My particular use case is that I want to ensure that no ...
-1
votes
1answer
17 views

What assertion functions are there in “minitest/spec”?

I'm using the new "minitest/spec" module to write specs for my classes, but it appears to be very poorly documented. Here's an example: require 'minitest/spec' require 'minitest/autorun' module ...
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4answers
39 views

Convert string object to active record class

So I am interested if there is a way to convert string to active record class. Example: I have a User class which has inherited from ActiveRecord::Base. Is there any way I can convert string "User" to ...
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3answers
24 views

Ruby IRB - dumping all classes

I am practicing with IRB (actually Wirble). I was wondering if any hacking inside IRB could be dumped into a file for later diff-ing, editing and reusing? You create classes, methods, data on the ...
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5answers
32 views

Increment array till a variable's value using ruby array splat

I am using the ruby array splat like this: array = *1,2,3 Output = [1, 2, 3] count = 10 #Initializing count Question: I want the array to be continued till the count = 10 when I try this it ...
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2answers
28 views

Can the order of my array be guaranteed to be preserved?

In an application i'm making in Ruby, I store objects in a MongoDB database using MongoMapper. At a certain moment I'm saving a hash with the following structure: {String => { String => ...
1
vote
0answers
17 views

Use whenever with sinatra

I'm trying to get whenever to work with sinatra. When I run the whenever command, I get the generated cron tab. But the problem is, that in my sinatra app, I don't have a script/runner file, which is ...
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votes
0answers
23 views

'Segmentation fault' when executing Enumerator#next in rails console

I am getting error when executing the following code in rails console: [1,2,3].to_enum.next Trace: (irb):1: [BUG] Segmentation fault ruby 1.9.2p320 (2012-04-20 revision 35421) [i686-linux] -- ...
1
vote
4answers
71 views

Rails - Routing Error 'No route matches [PUT]'

I'm trying to make a small app that allows users to create a sale. There is a user model product model and photo model. A user has many products and products has many photos. But for some reason after ...
-5
votes
0answers
48 views

how to delete a key-value pair in ruby hash? [closed]

myHash={1=>'a',2=>'b',3=>'c'} I want to remove {1=>'a'} and let myHash={2=>'b',3=>'c'}, but myHash.delete(1) does not work?

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