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  • Firefox released beta 9 for version 4

    - by anirudha
    Firefox yesterday released 9 beta of Firefox 4. now many plug-in work inside Firefox 4. How to get plugin work in Firefox 4 :- if you like any plug-in who you like to use but not worked in Firefox 4 go to developer site may be they work on them so it’s chance you can get the version who is in development from developer site. because many of plugin wait for a time period for testing or making same version for all plateform like linux or mac osX. How to work with stable and Beta version [standalone] sometime we fell that it’s time wasting because something we need the beta version can’t give. so you can use Firefox 3.6.13 or Firefox 4 both by a trick. you need to install them in other directory. when you trying to install another version beware because they also override the last installation directory so you need to choose the directory where you want to get another version manually.

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  • La bêta 1 de Mandriva Linux 2010.1 est disponible, une évolution en douceur

    Mise à jour du 06.04.2010 par Katleen La bêta 1 de Mandriva Linux 2010.1 est disponible, une évolution en douceur Mandriva vient de publier la bêta 1 de la version 2010.1 de sa distribution Linux. Au menu, pas mal de changements pour une évolution en douceur. Notamment l'arrivée de GNOME 2.30 pour l'environnement de bureau. L'affichage sera partagé dans Nautilus, le client de messagerie instantannée Empathy est revu et corrigé, etc. Cette bêta 1 embarquera un KDE 4.4.2. Il s'agit là d'une version mineure auxquelles ont été ajoutées quelques améliorations. Les nouveautés techniques comprendront un Kernel 2.6.33.1, un Pilote Nouveau pour les cartes NVIDIA et...

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  • How to access uploaded files in Ruby

    - by Jeff King
    I am trying use a Java Uploader in a ROR app (for its ease of uploading entire directories). The selected uploader comes with some PHP code that saves the files to the server. I am trying to translate this code to Ruby, but am stumped on this point: PHP has a very convenient superglobal – $_FILES – that contains a hash of all files uploaded to the current script via the HTTP POST method. It appears Ruby does not have a similar resource. Lacking that, what is the best way to access and save the uploaded files? I am using the JavaPowUpload uploader ( http://www.element-it.com/OnlineHelpJavaPowUpload/index.html ).

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  • Open payment gateway libraries for Java, Python, Ruby, and PHP

    - by Tauren
    I'm looking for generic and open source payment libraries that support many different payment processor APIs. In other words, I'd like to develop an application using a single payment processing API, but be able to easily switch between payment gateways, such as Authorize.Net, Payflow Pro, Braintree, PayPal, Google, Amazon, etc. This question gives some Java solutions, but the suggestions all look horrible. Isn't there anything more like ActiveMerchant for Java? I really need a good Java solution, to the point of building my own if necessary. But I don't want to reinvent the wheel if it exists. Are there any solutions for Python or PHP? Ideally, I'd like to find something similar to Ruby's ActiveMerchant, which looks exceptionally complete. Are there any other Ruby solutions?

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  • How do I implement IDataServiceMetadataProvider and tell my Data Service to use that custom provider

    - by Pwninstein
    There's no obvious entry point for implementing a custom provider for an ADO.NET Data Service using IDataServiceMetadataProvider, and then telling a Data Service to use that provider. Has anyone had any luck in this area? I've tried implementing this interface on my Data Source class, but none of my breakpoints are hit. There is also no (obvious) way to set the provider from the Data Service's DataServiceConfiguration parameter passed in to the InitializeService function. Any help would be appreciated. Thanks! Data Services Providers (ADO.NET Data Services) IDataServiceMetadataProvider Members

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  • Ruby SerialPorts Gem

    - by Seth Archer
    Using Ruby SerialPorts Gem to interact with hardware. When I write a byte array to the hardware using a program called "Serial Port Monitor" the hardware responds correctly. However, when I write the same byte array using ruby it doesn't work unless I do a read request just before the write request. This device doesn't respond correctly with this sp = SerialPort.new(args) sp.write [200.chr, 30.chr, 6.chr, 5.chr, 1.chr, 2.chr, 0.chr, 244.chr] But it does if I add a read request before the write. Like this sp SerialPort.new(args) sp.read sp.write [200.chr, 30.chr, 6.chr, 5.chr, 1.chr, 2.chr, 0.chr, 244.chr] This works, but I'm at a loss as to why. I should also add that the first snippet does work occasionally maybe 1/10 of the time.

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  • Spawn a background process in Ruby

    - by Dave DeLong
    I'm writing a ruby bootstrapping script for a school project, and part of this bootstrapping process is to start a couple of background processes (which are written and function properly). What I'd like to do is something along the lines of: `/path/to/daemon1 &` `/path/to/daemon2 &` `/path/to/daemon3 &` However, that blocks on the first call to execute daemon1. I've seen references to a Process.spawn method, but that seems to be a 1.9+ feature, and I'm limited to Ruby 1.8. I've also tried to execute these daemons from different threads, but I'd like my bootstrap script to be able to exit. So how can I start these background processes so that my bootstrap script doesn't block and can exit (but still have the daemons running in the background)? Thanks!

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  • ruby on rails named scope implementation

    - by Engwan
    From the book Agile Web Development With Rails class Order < ActiveRecord::Base named_scope :last_n_days, lambda { |days| {:conditions => ['updated < ?' , days] } } named_scope :checks, :conditions => {:pay_type => :check} end The statement orders = Orders.checks.last_n_days(7) will result to only one query to the database. How does rails implement this? I'm new to Ruby and I'm wondering if there's a special construct that allows this to happen. To be able to chain methods like that, the functions generated by named_scope must be returning themselves or an object than can be scoped further. But how does Ruby know that it is the last function call and that it should query the database now? I ask this because the statement above actually queries the database and not just returns an SQL statement that results from chaining.

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  • [Ruby] OpenSSL verify certificate from own CA

    - by sardaukar
    Hello all and thanks for your time reading this. I need to verify certificates issued by my own CA, for which I have a certificate. How can I do the equivalent to openssl's openssl verify -CAfile in Ruby code? The RDoc for OpenSSL is not very helpful in this regard. I've tried: require 'openssl' ca = OpenSSL::X509::Certificate.new(File.read('ca-cert.pem')) lic = OpenSSL::X509::Certificate.new(File.read('cert.pem')) puts lic.verify( ca ) but I get: test.rb:7:in `verify': wrong argument (OpenSSL::X509::Certificate)! (Expected kind of OpenSSL::PKey::PKey) (TypeError) from test.rb:7 I can't even find "verify" in the OpenSSL Rdoc at http://www.ruby-doc.org/stdlib/libdoc/openssl/rdoc/index.html. Any help is appreciated. Thanks again!

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  • Ruby on Rails website hosting

    - by sfactor
    i want to start a website. it'll be a small community based website. i've learned a fair bit of ruby on rails and am planning to use it. however, i have never deployed a production website before. i've just practiced in my local computer. i wanted to know what are the things i need to deploy the website on the internet. what is the best place to get a domain name and web hosting, esp for ruby on rails sites. how are cloud based services like amazon EC2 etc different from a traditional web host. which is a better choice. what else might i need to do to deploy a website. also i may happen to have a fair bit of users in the future. so how to go about planning for scalability issues. how to sites like twitter, fmylife.com etc all go about these things.

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  • Ruby from the command line - sticking - Windows

    - by tyndall
    I have seen this behavior on Windows with Ruby for a long time. If I install a gem sometimes the command line will just get "lost" and stop printing output until you go back to the command line and hit enter a few times. I notice this in other places too. Like starting up a Ruby on Rails console. Or generating a model with Rails. Have other people seen this? What causes this? The weird thing is this doesn't happen all the time. I have never seen this with PHP, Lua, Perl or Python from the command line. I have seen this on Vista and Windows 7 (32-bit and 64-bit). This happens on multiple machines.

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  • Readline, the Input Record Separator and Ruby

    - by JustSmith
    In Ruby I'm looking to read data until I reach a delimiter or end of file. I found this is possible by redefining $/ or the $INPUT_RECORD_SEPARATOR to my delimiter. However with all the "features" in the Ruby language it seems hokey to change the value of a global to do this. Also, readline used to consume the delimiter while not it is included in what is returned. Is there any other way to "read until" while consuming the delimiter that doesn't involve getting the values char by char in a loop?

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  • ruby rails loop causes server freeze

    - by Darkerstar
    Hi all: I am working on a Ruby on Rails project on Windows. I have Ruby 1.86 and Rails 2.35 installed. Everything is fine until I tried to implement a comet process. I have the following code written to respond to a long poll javascript request. But everytime this function is called, it will hang the whole rails server, no second request can get in, until the timeout. (I know there is juggernaut, but I like to implement one myself first :) Is this due to my server setup? The project will be deployed on a linux server with Ngix and Passenger setup, will it suffer the same problem? def comet_hook timeout(5) do while true do key = 'station_' + station_id.to_s + '_message_lastwrite' if Rails.cache.exist?(key) @cache_time = DateTime.parse(Rails.cache.read(key)) if @cache_time > hook_start @messages = @station.messages_posted_after(hook_start) hook_start = @cache_time break end end end ... end Also with Rails memory store cache, I keep getting "cannot modify frozen object" error, so the above script only worked for me when I switched to File cache. :(

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  • IRb: how to start an interactive ruby session with pre-loaded classes

    - by Shyam
    Hi, As I am going through my journey by adopting the Ruby language, I spend a lot of time inside IRb. It's just fantastic! But, as I am not very aware of it's capabilities, and still a nuby with Ruby, I would like to know the following: How can I 'flush' the session, without restarting IRb (or is this not possible). How can I configure IRb to load a bunch of source files "hello.rb" and "hello_objects.rb", i.e. at startup? I am heavily working in these and it would be nice to know a short hand to load these classes, without manually typing 'load' for each again. Thank you for your answers, comments and feedback!

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  • Serving files inside of directories with ruby and mongrel

    - by AdamB
    I made a simple web server in Ruby using the Mongrel gem. It works great for files in a single directory, but I run into some path issues when inside a directory. Lets say we have 2 files in a directory named "dir1", "index.html" and "style.css". If we visit http://host/dir1/index.html, the file is found, but style.css isn't because it's trying to load "style.css" from http://host/style.css instead of inside the directory. index.html is trying to load style.css as if its in the same directory as itself. <link href="style.css" rel="stylesheet" type="text/css" /> I can get the file if I enter the full path of style.css: /dir1/style.css but it doesn't seem to remember it's already inside a directory and that no path before a filename should serve from the current directory. This is the ruby code im using to serve out files. require 'rubygems' require 'mongrel' server = Mongrel::HttpServer.new("0.0.0.0", "3000") server.register("/", Mongrel::DirHandler.new(".")) server.run.join

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  • Detect number of IDLE processors ruby

    - by Yannick Wurm
    Hello, I work on shared linux machines with between 4 and 24 cores. To make best use of them, I use the following code to detect the number of processors from my ruby scripts: return `cat /proc/cpuinfo | grep processor | wc -l`.to_i (perhaps there is a pure-ruby way of doing this?) But sometimes a colleague is using six or eight of the 24 cores. (as seen via top). How can I get an estimate of the number of currently unused processors that I can use without making anyone upset? Thanks!

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  • Ruby delete method (string manipulation)

    - by brianheys
    I'm new to Ruby, and have been working my way through Mr Neighborly's Humble Little Ruby Guide. There have been a few typos in the code examples along the way, but I've always managed to work out what's wrong and subsequently fix it - until now! This is really basic, but I can't get the following example to work on Mac OS X (Snow Leopard): gone = "Got gone fool!" puts "Original: " + gone gone.delete!("o", "r-v") puts "deleted: " + gone Output I'm expecting is: Original: Got gone fool! deleted: G gne fl! Output I actually get is: Original: Got gone fool! deleted: Got gone fool! The delete! method doesn't seem to have had any effect. Can anyone shed any light on what's going wrong here? :-\

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  • Writing an app with Perl and Ruby?

    - by Jeff Erickson
    I am working on a project that is mostly Ruby on Rails. However, I need to generate and parse Excel files in this project (I know, I know...), so I've been using Perl's Spreadsheet::WriteExcel and Spreadsheet::ParseExcel which work well. However, what is the best way to combine this use of Perl with the larger Ruby on Rails app? Is calling the Perl script with backticks the kosher way to go about this? It feels a little hacky to me, but if that is the only (or best) way, then that's what I'll do. I wanted to reach out and see if anyone else has some suggestions or advise. Thank you!

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  • Go Channels in Ruby

    - by Julius Eckert
    In the Go programming language, you can send Messages around using a construct called "Channels". http://golang.org/doc/effective_go.html#channels I would love to use something like that in Ruby, especially for IPC. Pseudocode of what I want: channel = Channel.new fork do 3.times{ channel.send("foo ") } exit! end Thread.new do 3.times{ channel.send("bar ") } end loop do print channel.recv end # ~> bar foo foo bar bar foo Is there any construct, library or equivalent for Ruby which works like that ? If not: What is the best way to build such an abstraction?

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