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Search found 99 results on 4 pages for 'gsub'.

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• Rails paperclip problem

  - by palani

  I have uploaded the video into my rails application by using thoughtbot-paperclip then the video is converted into "flv" format by using ffmpeg. For your reference here I specified some of my model sample code: model.rb: has_attached_file :source,:styles => {:thumb => "137x85>" } If i specified :url or :path option it doesn't worked…

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• REXML Formatting issues

  - by dagda1

  Hi, I am using REXML to edit an xml file but have ran into difficulties with formatting. My original code looked like this: file = File.new( destination) doc = REXML::Document.new file doc.elements.each("configuration/continuity2") do |element| element.attributes["islive"] = "true" …

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• ActiveRecord field normalization

  - by Bill

  I feel bad asking this question, as I thought I knew enough about Activerecord to answer this myslef. But such is the way of having SO available ... I'm trying to remove the commas from a field in a model of mine, I want the user to be able to type a number , ie 10,000 and that number be stored in the database as 10000. I…

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• 400 error when submitting tumblr post (ruby on rails)

  - by Matenia Rossides

  I am having a bit of an issue with getting tumblr working within a rails app. This is the snippet of code which results in a 400 error (meaning that there was an incorrect parameter) @postcontent = @post.content.gsub(/<\/?[^>]*>/, "") post = Tumblr::Post.create(:email => 'valid@email', :password =>…

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• Converting old Mailer to Rails 3 (multipart/mixed)

  - by Oscar Del Ben

  I'm having some difficulties converting this old mailer api to rails 3: content_type "multipart/mixed" part :content_type => "multipart/alternative" do |alt| alt.part "text/plain" do |p| p.body = render_message("summary_report.text.plain.erb", :message = message.gsub(/<.br./,"\n"), …

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• Merge a hash with the key/values of a string in ruby

  - by LazyJason

  Hi there, I'm trying to merge a hash with the key/values of string in ruby. i.e. h = {:day => 4, :month => 8, :year => 2010} s = "/my/crazy/url/:day/:month/:year" puts s.interpolate(h) All I've found is to iterate the keys and replace the values. But I'm not sure if there's a better way doing this?…

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• How do I get the output of an Xcode user script to auto indent?

  - by John Gallagher

  The Problem I want to press a key when I have a line highlighted and convert from a single line: JGLogEntry *logEntry = [JGLogEntry applicationNoWindowsFrom:date1 to:date2 intoMOC:mockRawMOC]; to a multiline statement: JGLogEntry *logEntry = [JGLogEntry applicationNoWindowsFrom:date1 …

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• Ruby: map tags into a boolean condition to get a true/false result

  - by cgyDeveloper

  I have an array of tags per item like so: item1 = ['new', 'expensive'] item2 = ['expensive', 'lame'] I also have a boolean expression as a string based on possible tags: buy_it = "(new || expensive) && !lame" How can I determine if an item matches the buying criteria based on the tags associated…

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• Substitute all matches with values in Ruby regular expression

  - by Lewisham

  Hi all, I'm having a problem with getting a Ruby string substitution going. I'm writing a preprocessor for a limited language that I'm using, that doesn't natively support arrays, so I'm hacking in my own. I have a line: x[0] = x[1] & x[1] = x[2] I want to replace each instance with a reformatted…

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• Replacing quotes in a file

  - by Matthijs

  I have a large number of large semicolon-separated data files. All string fields are surrounded by double quotes. In some of the files, there are extra quotes in the string fields, which messes up the subsequent importing of the data for analysis (I'm importing to Stata). This code allows me to see the…

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• ps forrest for session id

  - by azatoth

  Often I want to get a nice readout what process are running and their relationship; I usually by habit runs ps auxfww and eventual grep for the process in question. Having been thinking about the problem I tried to create an oneliner to get the process tree in ps ufww format for all processes which has…

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• ruby nl2br outside <code> ... </code>

  - by Julien P.

  Hi everyone, I've been struggling on this thing for a week without being able to find what I'm looking for. Here is what I'd like to do: I'm setting up a wiki where I can post all my knowledge to (yes, I know a couple things :p) but I can't render it the way I'd like to. The bodies of my posts are…

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• Strange \n in base64 encoded string in Ruby

  - by intellidiot

  The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example: irb(main):001:0> require 'rubygems' => true irb(main):002:0> require 'base64' => true irb(main):003:0> str = "1110--ad6ca0b06e1fbeb7e6518a0418a73a6e04a67054" =>…

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• PDF to PNG Processor - Paperclip

  - by Josh Crowder

  I am trying to develop a system in which a user can upload a slideshow (pdf) and it'll export each slide as a png. After some digging around I came across a post on here that suggested using a processor. I've had a go, but I cant get the command to run, if it is running then I don't know what is…

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• Ruby Design Problem for SQL Bulk Inserter

  - by crunchyt

  This is a Ruby design problem. How can I make a reusable flat file parser that can perform different data scrubbing operations per call, return the emitted results from each scrubbing operation to the caller and perform bulk SQL insertions? Now, before anyone gets narky/concerned, I have…

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• Ruby : UTF-8 IO

  - by subtenante

  I use ruby 1.8.7. I try to parse some text files containing greek sentences, encoded in UTF-8. (I can't much paste here sample files, because they are subject to copyright. Really just some greek text encoded in UTF-8.) I want, for each file, to parse the file, extract all the words,…

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• convert variable with mixed date formats to one format in r

  - by jalapic

  A sample of my dataframe: date 1 25 February 1987 2 20 August 1974 3 9 October 1984 4 18 August 1992 5 19 September 1995 6 16-Oct-63 7 30-Sep-65 8 22 Jan 2008 9 13-11-1961 10 18 August 1987 11 15-Sep-70 12 5…

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• Escape characters in MySQL, in Ruby

  - by Swards

  I have a couple escaped characters in user-entered fields that I can't figure out. I know they are the "smart" single and double quotes, but I don't know how to search for them in mysql. The characters in ruby, when output from Ruby look like \222, \223, \224 etc irb>…

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• Wiki-fying a text using LPeg

  - by Stigma

  Long story coming up, but I'll try to keep it brief. I have many pure-text paragraphs which I extract from a system and re-output in wiki format so that the copying of said data is not such an arduous task. This all goes really well, except that there are no automatic…

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• Ruby: Parse, replace, and evaluate a string formula

  - by Swartz

  I'm creating a simple Ruby on Rails survey application for a friend's psychological survey project. So we have surveys, each survey has a bunch of questions, and each question has one of the options participants can choose from. Nothing exciting. One of the…

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• Using amCharts in Ruby on Rails

  - by Dexter

  I have followed this tutorial in order to use amChart and it worked with no problems , now I am trying to generate a chart with amCharts to show each user and the sign in count but i cant make it work because it not getting the data correctly, what i am…

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• A couple of pattern matching issues with pattern matching in Lua

  - by Josh

  I'm fairly new to lua programming, but I'm also a quick study. I've been working on a weather forecaster for a program that I use, and it's working well, for the most part. Here is what I have so far. (Pay no attention to the zs.stuff. That is…

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• LUA: A couple of pattern matching issues

  - by Josh

  I'm fairly new to lua programming, but I'm also a quick study. I've been working on a weather forecaster for a program that I use, and it's working well, for the most part. Here is what I have so far. (Pay no attention to the zs.stuff. That is…

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• ActionController::RoutingError (No route matches {:action=>"show", :controller=>"users", :id=>nil}):

  - by Matt Bishop

  I have been trying to fix this routing error for a long time. I would appreciate any assistance! This error is preventing me from being able to authenticate. Here is what I am getting in my Heroku logs. …

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