569 Topics
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| | Hello I'm trying to create a cross platform application to control a robot. Everything went relatively easy but I got stuck when trying to set a few properties that are Mac specific. They use the 'com.apple.eawt' package which obviously isn't available on Linux or Windows. I need to set the … |
| | how to populate select box depending upon the selection of the radio button on rails anyone knows what will be the possible ajax and rails script for populating dropdown list values based on selected radio button on rails 3 example there are two type of platform choices(windows, unix) of radio …  |
| | Hello - I'm fairly new to RoR, and after installing version 2.3.9 and trying to run a sample app, I get the errors below. I've been trying to find solutions for the past two days, but no luck. Has anyone run across this error before and/or know how to resolve … |
| | Below is the ERB for a new 'To-do' view. Duedate is another table that holds date objects, and there is an association between duedates and todos with a 'duedate_id' in the todo table. Right now there is just a dropdown for any externally created duedates. While creating a new todo, … |
| | I am writing a cgi script to pull the contents of a .txt file in the cgi-bin directory into the body of an html file and can't seem to figure it out. eruby seems to be a solution, but I can't tell if it's to be used with Rails or … |
| | Hello everyone, I'm in a bit of a rut and was hoping to get some perspective from professionals in the field (who have been through this before). So here's my (very brief history): [LIST] [*]BA from a city school in Economics [*]1.5 years as a quality assurance analyst at a …  |
 | Hello, my name is not Derek Elensar, but I prefer not t reveal my real name onlin if I can help it... so you can just call me Derek. :) I am a beginner C++ programmer. I'm trying to learn Ruby, but haven't gotten far, as I haven't had much … |
| | I have made a couple of preliminary versions of a web machine as an HTA and as a web dialog plug in for Google's Sketchup. The machine has moving sliders (hence machine) that get populated with names of real objects in a hierarchical structure set by the user's associations e.g. … |
 | Hi, I am running Ubuntu 10.04 LTS, and wanted to install RVM today, I used: bash < <( curl [url]http://rvm.beginrescueend.com/releases/rvm-install-head[/url] ) (NOTE: I already have git-core and curl, etc.) After running that command I get the output in terminal from Wayne, and I added: if [[ -s "$HOME/.rvm/scripts/rvm" ]] ; … |
| | I am facing a similar problem where we have to compare two strings. I applied the regex to match it and it works fine for the string which dont have space between. However in case the matching string containg space, then its failing. Please let me know how to tackle … |
| | Hello world... xD Now the bad joke's over, I'm Ben, currently halfway through my second year at university studying BSc Hons Computer Science. Thought i'd join these forums as they appear friendly and helpful to those with any IT related problems so maybe i can get some help here in …  |
| | i am able to get the metasploit console started however when i try to open armitage for a gui as i am currently learning the process of penetration testing to secure my home network, i get the message[CODE=Bash] ./armitage:18:in 'exec' : No such file or directory - java (errno:: ENOENT) … |
| | Hello everyone, I am a newbie (started learning ruby 3 weeks ago) :icon_redface: and I can not get out from this comiling error. when I try to run this sample program: [code] #!/usr/bin/ruby # ZetCode Ruby GTK tutorial # # This program centers a window on # the screen # … |
| | Hello Everyone, I just started to learn Ruby last Friday! Awesome right? I want to learn to build web application and heard Ruby was a good language to learn with, so that's what I started with. Are there any Ruby web application developers with advice for a noob on a … |
| | What is the best IDE that I should use to make a program using Ruby Language? And where can I download it for free? I'm self studying. :)  |
| | Hi I have my initialise constructor, why won't my function to_hash work ? [CODE]def initialize(msg) @original_msg = msg.strip.delete(' ') s = ["|","^"] @chunked_msg = @original_msg.split(s[0]) @msg_hash.self.to_hash end def to_hash @chunked_msg.each do |x| s = x.split("=") @msg_hash[s[0]] = s[1] end return @msg_hash end[/CODE] |
| | Today I tried to write a vba macro with the vba editor in excel to perform some stupid and time-consuming job. but then ,after 2 hours trying to write the macro in vba, I found that I don't know how to write vba, and the tutorials is not completed in …  |
| | i am from the philippines, can you give me an idea how i can send SMS from my rails app? |
| | hi guys i need some help,i have installed ruby 1.91+rails 3.0+radrails 0.7.2 bu twhen im using the radrails it cant start the server it keeps like: "starting the server" and it never works! rails path: C:\Ruby192\bin\rails rake path: C:\Ruby192\bin\rake it says it cant load script/server thanks |
| | Hi, I encountered a problem with threads in ruby. I created such a script: [CODE] require 'thread' def func $i = 0 while true $i += 1 $file.write("bbbb\n") Thread.pass end end def func2 $j = 0 while true $j += 3 $file.write("aaaa\n") Thread.pass end end def funcTerm while true a … |
| | Im trying to add new records to my joins table. but when ever i click my link to do so i get this error [QUOTE]uninitialized constant Channel::UsersChannel[/QUOTE] here is the code [CODE] <%= link_to "Subscribe to Channel", subscribe_path(channel, current_user) %>[/CODE] [CODE] def subscribe @channel = Channel.find(params[:channel_id]) @user = current_user @channel.users … |
 | Hello. Me and some of my friends at college were assigned a practical task of developing a net application for optimization of cutting rectangular parts from some kind of material. Something like apps in [URL="http://www.freedownloadmanager.org/downloads/cut_optimization_software/"]this[/URL] list, but more simplistic. Basically, I`m interested if there is any source code for this … |
| | Hi guys, microsoft installed many things on my computer and most of them I don't know what they are. It make me feel so sick. I want to know what are they ( if anyone know ) and are they must be installed. Many thanks. Here is a list of …  |
| | I've learn python and I won't say that I know it all, but I won't see anywhere except google will use python. New programming language like python and ruby, do they have space to grow? |
 | Hello, I use Ruby with Sinatra in my application and I need to store a big data (exceeding 4K) in my session or somewhere secude on the server because I do some API calls and I refer to that data very often and that's why I need it stored. The … |
| | Hi, I want to start preparing for an IT Olympiad for next year for a chance to get a full bursary for college. We can choose between Java, Python, C and C++. Of the lot I'm most comfortable with Python seeing that I at least have a bit of experience … |
| | I want to build a large scale web application but I'm torn between the three. The main points I'm looking for are productivity, speed, hosting, community, scalability, learning resources and technology (AJAX, database, threading, MVC etc). Here are my impressions of them: [B]PHP:[/B] de facto for web development, big community, …  |
| | Hello, I am looking for some fullscript/CMS ready-made which would help me to see how to articulate and merge ruby/html/MySql. I allready worked on these different languages but have difficulties into merging all of them togheter to create a website. I thank you in advance, Damiano from Nicaragua! :) |
| | Greetings, I am trying to allign horizontal between this two submit button, but I do not understand how to do it, this codes below will show two button (submit1) and (submit2), but located vertically. I need to allign it as horizontal so submit2 button is located horizontally next to submit1 … |
| | I am running CPanel and recently discovered that I can install RubyonRails there too ([url]http://docs.cpanel.net/twiki/bin/view/AllDocumentation/RubyonRails/WebHome[/url]) I have the new icon RUBY ON RAILS in my CPanel (after installation following the instruction from the link above). Now when I create a test application, it runs OK but when I click on … |
| | Hi.. i have imported a excel in to datatable which contains 5 columns and some thousand rows. I have to do two level validation. First i have to check whether the column belongs to specific datatype. If so, then i need to check each and every cell in that column … |
| | [COLOR="Green"]hello every one hi i am new to daniweb i think i will find a solution in daniweb. hi i wanted to change my php melody1.6.4 url structure my url structure is like this [url]http://example.com/frozen/frozen-2010-movie-video_1c4063b5a.html[/url] i wanted to change it to like this [url]http://example.com/frozen/frozen2010movie/1c4063b5a[/url] i have spent my valuable time … |
| | Hi, I'm a web developer and wanted to try ruby. I installed ruby 1.8 on my debian server with eruby and mod_ruby for apache2. Apache config files are configured correctly to accept .rhtml files and parse them. If I type sth like <% print "Test" %> then there's no problem, … |
| | I have a view file, "show.html.erb", and a Javascript file, "coordinate.js". In coordinate.js" I have methods to calculate the width and height of an image. How can I call those methods on the "Canvas" in my view. And, below you can find the scripts of the two files: [B]* show.html.erb[/B] … |
| | I like to learn Ruby.but I didnt use it.I have already used as J2EE.I dont know about Ruby?What is this Ruby??????  |
| | Hi there...... I have received a domain from a customer which is showing me very strange things..... When I tried to login via FTP it showed me empty directory.... The server is apache and when I try to login via cpanel it gives me this error "Not Found The requested …  |
| | [url]http://keyonary.com[/url] When you search for something like paste all of the keyboard shortcuts slide up on your browser. I know its making a ajax requested and then using jquery for the effect. BUt how is it done. Is there a plug-in or anything in ruby that is similar. |
| | A number of different server-side programming languages are available. Which one of these languages is NOT one of these? PHP, Java, Ruby on Rails or ASP? |
| | This is not an advertisement, this is purely a thread telling people about resources that I've found, well resourceful. For those who are stuck with Ruby on Rails or need to learn the basics you should check out the free videos by Ryan Bates at [url]www.railscasts.com[/url], they've helped me a …  |
| | Hi people, am trying to start a ruby on rails project, however i only know a bit of ruby but nothing on rails.So does anyone who can point me to the right locations for Good resource material either site or books would be highly appreciated.. |
| | I am really new to this, so please excuse me if this is a dumb question. I am saving some data using ruby on rails and one of those fields is a background for the divs I am rendering back on load. I created the partial layouts successfully but I … |
| | hello people, i'm new here in Daniweb and very much interested in web development(Specially php,mysql,ajax based web applications). I know HTML and CSS, but don't have any past experience in any scripting/ programming language like javascript or c(though i know basics of C), java etc. Some of my friends suggested … |
| | My observe field doesn't do anything any idea why. [CODE]<%= observe_field 'keyword', :frequency => 0.5, :update => 'results', :loading => "Element.show('.spinner')", :complete => "Element.hide('.spinner')", :url => { :action=> 'search_results' }, :with => 'keyword' %> <%= form_remote_tag :url =>{ :action => :search_results }, :update => "results", :loading => "$('.spinner').show()", :complete => … |
| | hallo people, i want to start learning python and ruby for some projects i have anyone who knows a good resource site or books for this two languages. any books and where i can get them will be highly appreciated thanx in advance |
| | I am working on a search function on RoR that basically just has a cool visual effect when a user clicks the search button. Here is the code in my view for search.rhtml [CODE]<html> <head> <title>Tutor</title> <%= javascript_include_tag :defaults %> </head> <body> <h1></h1> <%= form_remote_tag :url =>{ :action => :search_results … |
| | [url]http://keyonary.com[/url] When you search for something like paste all of the keyboard shortcuts slide up on your browser. I know its making a ajax requested and then using jquery for the effect. BUt how is it done. Is there a plug-in or anything in ruby that is similar. |
 | I'm self studying from the book, C++ Primer Plus Fifth Edition, by Stephen Prata. The following relates to Chapter 13, Page 699, Programming Exercise #4. One task is to write the derived class method definitions based upon the given prototypes. The following are the said prototypes. [CODE="cpp"]class Port { private: … |
| | I've just upgraded an existing app from Rails 1.2.5 (Ruby 1.8.5) to Rails 2.3.8. There were several issues to the upgrade including finding and installing a good MySQL gem (dll in my case). This app worked fine on Rails 1.2.5 but I needed to upgrade for security concerns. There are … |
| | Hi every one I need some document to start ruby-lang. I know object-Oriented, and now need some good and complete reference to start this language. please give me a good advise so thanks to my Friend Best Regards Amir :) |
| | problem with this code: [CODE]parseIcmPage url, '<ul id="topListFilter"', '<div id="footer">' def parseIcmPage(url, start_point, end_point) data = getHtmlPage url s = data.index(start_point) e = data.index(end_point, s) len = e-s list_str = data.index[s, len] puts list_str, '\n' end[/CODE] [CODE]icm.rb:42: warning: don't put space before argument parentheses ./util.rb:121:in `index': wrong number of arguments … |
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