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RUBY QUESTIONS

How to set default cookie domain in Rails3
How to set default cookie domain in Rails3
Any of those help I want to set default cookie domain for my application to ".mydomain.com" to allow cookie session be preserved across subdomains. There are many places showing how to do it in Rails 2.x but these solutions doesn't work for Rails3. A
TAG : ruby
Date : November 24 2020, 07:00 PM , By : user3862828
Execute code once Sinatra server is running
Execute code once Sinatra server is running
around this issue Using the configure block is not the correct way to do this. Whenever you load the file the commands will be run.Try extending run!
TAG : ruby
Date : November 24 2020, 07:00 PM , By : Jason Lowell
Iterate through every file in one directory
Iterate through every file in one directory
wish helps you As others have said, Dir::foreach is a good option here. However, note that Dir::foreach and Dir::entries will always include . and .. (the current and parent directories). You will generally not want to work on them, so you can use Di
TAG : ruby
Date : November 24 2020, 07:00 PM , By : user3858557
Find a set of common elements from a multi-dimensional array recursively
Find a set of common elements from a multi-dimensional array recursively
help you fix your problem I have a multi-dimensional array: , This should do the job in recent Ruby versions:
TAG : ruby
Date : November 23 2020, 07:00 PM , By : orsoto
Call nested rake file from the root directory
Call nested rake file from the root directory
wish of those help How can I run rake file for a nested project from the root directory? (2 cases: from console and from the root rakefile). Assume that I cannot modify the nested rakefile and that it must have 'libs/someproject' as the working direc
TAG : ruby
Date : November 22 2020, 07:01 PM , By : dunchill
Logging in with WebFinger and OpenID
Logging in with WebFinger and OpenID
hop of those help? Yes, absolutely. Though I haven't released the source code (yet), you can test this out on webfinger.org. The implementation is basically as you describe. I'm not sure why your login example isn't working, unfortunately.
TAG : ruby
Date : November 22 2020, 07:01 PM , By : SCristian
How do I pass arguments from the parent task to the child task in Rake?
How do I pass arguments from the parent task to the child task in Rake?
I wish this helpful for you I can actually think of three ways for passing arguments between Rake tasks.
TAG : ruby
Date : November 21 2020, 07:01 PM , By : user3861909
Use ruby Timeout class as background thread
Use ruby Timeout class as background thread
This might help you I found ruby class Timeout very useful for my project.
TAG : ruby
Date : November 20 2020, 07:00 PM , By : user3861519
What are the features of dynamic languages (like Ruby or Clojure) which you are missing in Scala?
What are the features of dynamic languages (like Ruby or Clojure) which you are missing in Scala?
Hope this helps In principle, you give up being able to ignore what type you're using when it is not clear (in the static context) what the right thing to do is, and that's about it.Since complex type-checking can be rather time-consuming, you also p
TAG : ruby
Date : November 20 2020, 07:00 PM , By : 0pinion
xapian-full installed on mac os x snow leopard but failed with dlopen LoadError
xapian-full installed on mac os x snow leopard but failed with dlopen LoadError
fixed the issue. Will look into that further Since I have tried to install xapian but failed, I try another alternative with xapian-full. Installation seems goes well, but when I try to write code with that I got toasted with error message again: , b
TAG : ruby
Date : November 19 2020, 07:01 PM , By : user3861363
Xapian gem failed to install on Mac OS X Snow Leopard + macports
Xapian gem failed to install on Mac OS X Snow Leopard + macports
will be helpful for those in need I have installed xapian-core + xapian-bindings with macports on snow leopard, then trying to install xapian gem fails: , symlink sed into the /bin dir
TAG : ruby
Date : November 19 2020, 07:01 PM , By : hrktech
Shell Script Sequencing with Rake
Shell Script Sequencing with Rake
With these it helps Unless I'm missing something, you can use one of Ruby's built-in commands for executing system commands; take a look at http://blog.jayfields.com/2006/06/ruby-kernel-system-exec-and-x.html for more info.It's not mentioned in that
TAG : ruby
Date : November 19 2020, 07:01 PM , By : brian wharton
What is the best way to format a date in JSON for Mongo DB storage
What is the best way to format a date in JSON for Mongo DB storage
may help you . You don't need to format dates at all; dates are a supported data type. Each client driver should support dates through their standard date type, including the ruby one.For advanced queries like your example, you can use a javascript e
TAG : ruby
Date : November 19 2020, 07:01 PM , By : stefano44
Hot deploy on Heroku with no downtime
Hot deploy on Heroku with no downtime
help you fix your problem You could setup a second Heroku app which points to the same DB as your primary production app and use the secondary app to run your DB migrations without interrupting production (assuming the migrations don't break the prev
TAG : ruby
Date : November 19 2020, 07:01 PM , By : Jhan Vincent Villasi
"Personal" method in ruby
"Personal" method in ruby
will help you Instead of creating 'personal' methods, change your inheritance structure.It appears that you want the C class to have only some of the same functionality of the B class while not making changes to the A class.
TAG : ruby
Date : November 18 2020, 07:00 PM , By : user3860842
Advanced Array Sorting in Ruby
Advanced Array Sorting in Ruby
this one helps. Get all your files into a single array with Dir.glob("**/*.{txt,doc,rtf}")Don't forget that all the filenames have the directory too, so if you want to sort by the basename, then
TAG : ruby
Date : November 18 2020, 07:00 PM , By : bogdanovix
Markdown to plain text in Ruby?
Markdown to plain text in Ruby?
To fix this issue RedCarpet gem has a Redcarpet::Render::StripDown renderer which "turns Markdown into plaintext".Copy and modify it to suit your needs.
TAG : ruby
Date : November 16 2020, 07:01 PM , By : Kavya Kavi
How do I handle a missing mandatory argument in Ruby OptionParser?
How do I handle a missing mandatory argument in Ruby OptionParser?
I hope this helps you . What you want to do is not a good idea. What if you really have a file named "--output"? This is a perfectly valid filename on Unix. Every Unix program's option parsing works the way the ruby one is doing, so you shouldn't cha
TAG : ruby
Date : November 16 2020, 07:01 PM , By : Bora De
aws-s3 and European Buckets
aws-s3 and European Buckets
fixed the issue. Will look into that further In an initializer, you should add this line :AWS::S3::DEFAULT_HOST.replace "s3-eu-west-1.amazonaws.com"
TAG : ruby
Date : November 16 2020, 07:01 PM , By : user3860236
How to verify that "puts" has been called with a certain message?
How to verify that "puts" has been called with a certain message?
hop of those help? Basically, @ui should call .puts on an object that probably defaults to $stdout. Then in your tests, you can replace $stdout with a StringIO object that you can set expectations on. This has the added benefit of making your @ui obj
TAG : ruby
Date : November 15 2020, 07:01 PM , By : user3859802
Rack URL Mapping
Rack URL Mapping
may help you . You are correct that Rack::URLMap doesn't treat '*' in a path as a wildcard. The actual translation from path to regular expression looks like this:
TAG : ruby
Date : November 14 2020, 07:01 PM , By : chefti
Good and free Ruby editor for Windows?
Good and free Ruby editor for Windows?
fixed the issue. Will look into that further Get yourself Notepad++ it's an excellent lightweight text editor which is useful for lots of languages including ruby. There's tonnes of plugins too. I recommend you get the 'explorer' plugin which gives y
TAG : ruby
Date : November 14 2020, 07:01 PM , By : user3859640
Ruby TCPSocket doesn't notice it when server is killed
Ruby TCPSocket doesn't notice it when server is killed
hope this fix your issue When you're sending data your blocking call will return when the data is written to the TCP output buffer. It would only block if the buffer was full, waiting for the server to acknowledge receipt of previous data that was se
TAG : ruby
Date : November 14 2020, 07:01 PM , By : Sfilm Hub
How to remove all the elements after a particular index
How to remove all the elements after a particular index
fixed the issue. Will look into that further Given: , Array[]= operator comes in handy:
TAG : ruby
Date : November 11 2020, 07:00 PM , By : Árpád Mihály
How to validate SSL certificate chain in ruby with net/http
How to validate SSL certificate chain in ruby with net/http
will be helpful for those in need How can I verify the certificates of a site like https://processing.ukash.com/ in ruby with net/http? , From my code snippets collection:
TAG : ruby
Date : November 10 2020, 07:00 PM , By : Ozzboy
How can I upgrade my Ruby Gems to the latest version "safely"?
How can I upgrade my Ruby Gems to the latest version "safely"?
it fixes the issue You need install rubygems in other directory of your previous version. After you can change all link to rubygems to this new version.You can use too rvm. It's really simple and it's allways with latest rubygems. If you don't want i
TAG : ruby
Date : November 09 2020, 07:01 PM , By : badhud
Sort a array of string by the reverse value
Sort a array of string by the reverse value
it fixes the issue Right now I've produced the following code to sort a list of domains , Would this work for you?
TAG : ruby
Date : November 08 2020, 07:01 PM , By : Chen Cohen
Reading a file N lines at a time in ruby
Reading a file N lines at a time in ruby
I hope this helps . I have a large file (hundreds of megs) that consists of filenames, one per line.
TAG : ruby
Date : November 08 2020, 07:01 PM , By : jackwraith
Package Ruby to a standalone Mac OS X application?
Package Ruby to a standalone Mac OS X application?
wish helps you Take a look at Platypus; it may do what you want.From its homepage:
TAG : ruby
Date : November 06 2020, 07:00 PM , By : user3857093
How can install sqlite-ruby on linux when sqlite3 is not in /usr/local?
How can install sqlite-ruby on linux when sqlite3 is not in /usr/local?
wish helps you i'm using ubuntu (debain type linux). i managed to resolve it the following way:sudo apt-get install sqlite3 libsqlite3-dev sudo gem install sqlite3-ruby
TAG : ruby
Date : November 06 2020, 07:00 PM , By : vinnyvedi
Simple Serialization Faster Than JSON? (in Ruby)
Simple Serialization Faster Than JSON? (in Ruby)
wish of those help I've just heard of this project 20 minutes ago (posted on hacker news), it has a Ruby implementation: http://msgpack.sourceforge.net/GettingStarted
TAG : ruby
Date : November 05 2020, 07:01 PM , By : user52080
Nokogiri Error: undefined method `radiobutton_with' - Why?
Nokogiri Error: undefined method `radiobutton_with' - Why?
fixed the issue. Will look into that further The problem occured because using a Mechanize page as a Nokogiri document (by calling the / method, or search, or xpath, etc.) returns Nokogiri elements, not Mechanize elements with their special methods.A
TAG : ruby
Date : November 03 2020, 07:01 PM , By : user3856215
Ruby Pony alternative for Ruby 1.9?
Ruby Pony alternative for Ruby 1.9?
may help you . Pony works for me in Ruby 1.9, and I'm also using the gmail SMTP server. Here's how I have it set up...
TAG : ruby
Date : November 03 2020, 07:01 PM , By : Rafael Rocha
How do I put an escape character (NOT "escaped" character) in a Ruby regex?
How do I put an escape character (NOT "escaped" character) in a Ruby regex?
seems to work fine I'm trying to parse a text file that has ANSI color sequences in it, e.g. , It turns out this works absolutely fine:
TAG : ruby
Date : November 03 2020, 07:01 PM , By : Sarah Smith
Net::HTTPResponse body as IO
Net::HTTPResponse body as IO
I wish this helpful for you Use the OpenURI library that comes with standard Ruby. It uses Net::Http under the hood, and provides a convenient File-like object.
TAG : ruby
Date : November 02 2020, 07:01 PM , By : user3855701
Ruby DSL experiences?
Ruby DSL experiences?
Hope this helps Here's another example of a Ruby DSL, it's called Mail, and it's a DSL for sending emails:
TAG : ruby
Date : November 01 2020, 07:01 PM , By : Morshed Alomary
Is there a way to return a method parameter names in ruby
Is there a way to return a method parameter names in ruby
will help you In Ruby 1.9.2, you can trivially get the parameter list of any Proc (and thus of course also of any Method or UnboundMethod) with Procparameters:
TAG : ruby
Date : November 01 2020, 07:01 PM , By : user3855380
Rack::Test not able to find web app cookie
Rack::Test not able to find web app cookie
Hope that helps I'm answering my own question in order to share the solution with others:Rack::Test::CookieJar[] will only return the value of a cookie if it also matches the domain and path. Unfortunately, unless your app's domain is "example.org" y
TAG : ruby
Date : November 01 2020, 07:01 PM , By : Ganapathy R
Open file with Ruby
Open file with Ruby
wish helps you Your Utility.exist_request_xml method returns nil, which is falsey in an if statement, so it falls through to the else where you don't open the file.It returns nil because by default the last evaluated expression is the return value an
TAG : ruby
Date : October 31 2020, 08:00 PM , By : Andy.Qiu
rb_str_modify() equivalent in the Ruby language
rb_str_modify() equivalent in the Ruby language
wish helps you Reopening Classes All classes in Ruby are open for extension so you can simply do this ...
TAG : ruby
Date : October 31 2020, 08:00 PM , By : Song Zhiyang
How to make OSX application that just runs opens some file type and runs arbitrary Ruby code?
How to make OSX application that just runs opens some file type and runs arbitrary Ruby code?
like below fixes the issue You could use Automator or create an AppleScript application using "do shell script" to execute your Ruby script.
TAG : ruby
Date : October 30 2020, 08:01 PM , By : mudboy
RVM Ruby 1.9.1 install can't locate zlib but its runtime and dev library are there
RVM Ruby 1.9.1 install can't locate zlib but its runtime and dev library are there
To fix this issue Use rvm to install zlibhttps://rvm.io/packages/zlib/
TAG : ruby
Date : October 30 2020, 08:01 PM , By : user3854863
Ruby net/imap getting OpenSSL::SSL::SSLError - self-signed certificate?
Ruby net/imap getting OpenSSL::SSL::SSLError - self-signed certificate?
it fixes the issue Ideal: upgrade to Ruby 2.6.3 or later Upgrading to Ruby version 2.6.3 or later should fix things, as ruby pull 2077, which provides a fix for related issue 15594, was incorporated into the 2.6.3 change list. With 2.6.3, the origina
TAG : ruby
Date : October 21 2020, 06:10 PM , By : Orazio
define rvm installation directory
define rvm installation directory
hope this fix your issue My $HOME directory is full and I only have space on /data/ directory on the VM. I am installing RVM offline using the directions given on https://rvm.io/rvm/offline Is there a way to define RVM installation directory while of
TAG : ruby
Date : October 20 2020, 06:10 PM , By : Ilya Sherman
Removing brackets from a string
Removing brackets from a string
it should still fix some issue The "problem" is you're converting an array to string. The result of unpack is returning an array, and you're invoking to_s in that, so you get:
TAG : ruby
Date : October 20 2020, 06:10 AM , By : Omar Angarita J
Why coerce not triggered when i use ""*Point
Why coerce not triggered when i use ""*Point
I hope this helps . The catch here is that while Ruby allows you to redefine operators for this, these are very particular about the ordering.Remember that this code:
TAG : ruby
Date : October 18 2020, 06:10 PM , By : user6021341
Ruby - how to reload a file with changes in IRB or PRY?
Ruby - how to reload a file with changes in IRB or PRY?
I hope this helps you . Try Kernelload with relative path to rb file:
TAG : ruby
Date : October 18 2020, 06:10 AM , By : Aslan Ozcakir
Cannot call non W3C standard command while in W3C mode (Selenium::WebDriver::Error::UnknownCommandError) with Selenium C
Cannot call non W3C standard command while in W3C mode (Selenium::WebDriver::Error::UnknownCommandError) with Selenium C
wish help you to fix your issue All you have to do is just to disable the W3C when initializing the webdriver
TAG : ruby
Date : October 18 2020, 06:10 AM , By : Tempo
I don't understand the code in Ruby documentation that assigns a value within an if expression
I don't understand the code in Ruby documentation that assigns a value within an if expression
Does that help These two chunks of code are visually similar, but substantially different in intent. The first reads like this:
TAG : ruby
Date : October 17 2020, 06:10 AM , By : subash poudel
Unexpected FrozenError when appending elements via <<
Unexpected FrozenError when appending elements via <<
To fix this issue I needed to add the first name to an array and then that array to the hash.
TAG : ruby
Date : October 16 2020, 06:10 PM , By : Akram Khan
Why is this code from Ruby book not working?
Why is this code from Ruby book not working?
this one helps. It's not clear where this is intended to be used, but you can't return like that inside a loop.The code is probably:
TAG : ruby
Date : October 14 2020, 02:00 PM , By : S. Raj
Trouble about iterating over an array to generate frequencies in a hash
Trouble about iterating over an array to generate frequencies in a hash
wish helps you If you query the hash for a key not present you get nil, that's the problem. Let's make 0 the default if a key is not present
TAG : ruby
Date : October 14 2020, 01:00 PM , By : Ludovico Blanza Gonz
What's the difference between <<-EOH and <<~EOH (if there is any) in ruby
What's the difference between <<-EOH and <<~EOH (if there is any) in ruby
hope this fix your issue The squiggly heredoc will unindent the content to the level of the least indented row:
TAG : ruby
Date : October 14 2020, 04:00 AM , By : Амид Купер
unexpected keyword_end MongoDB Injection
unexpected keyword_end MongoDB Injection
may help you . There is a typo while is a keyword and need to be written in downcase.
TAG : ruby
Date : October 14 2020, 12:00 AM , By : Tomas
How to make a square with any symbol, using ruby loops?
How to make a square with any symbol, using ruby loops?
around this issue There are three problems in your code: You are computing symbol*number, but you are not doing anything with the result. You are simply ignoring it. You are not storing it in a variable or returning it from the block or printing it o
TAG : ruby
Date : October 13 2020, 11:00 PM , By : Ciaran Breen
rbenv doesn't have the ruby version and the ruby-build plugs directory doesn't exist, what to do?
rbenv doesn't have the ruby version and the ruby-build plugs directory doesn't exist, what to do?
it helps some times rbenv doesn't show the newer versions of Ruby. , Follow these steps:
TAG : ruby
Date : October 13 2020, 08:00 PM , By : saurabh
Chaining method blocks (Ruby)
Chaining method blocks (Ruby)
help you fix your problem If you don't want to have a intermediate variable and want to do it in a single line, you can write something like this:
TAG : ruby
Date : October 13 2020, 03:00 PM , By : Alexander Romanic
Ruby Enumerable#count performance issue in algorithm
Ruby Enumerable#count performance issue in algorithm
wish of those help In your version, you indeed do not use count. Instead you do something worse. You still iterate the string (in letter_occurrence) and you also are building a hash (that's the extra work).Ruby's Stringcount (that the other version i
TAG : ruby
Date : October 13 2020, 06:00 AM , By : Dang Nhat Toan
Ruby library to parse strings into the appropriate data type Google Sheets-style
Ruby library to parse strings into the appropriate data type Google Sheets-style
wish helps you The possible date formats must be specified. Were one to use Dateparse, the string "Theresa May has announced she will resign" would return .Here's a start.
TAG : ruby
Date : October 13 2020, 06:00 AM , By : Елисей Л
Ruby/Minitest Spec: How to test that a method returns a value within a given array?
Ruby/Minitest Spec: How to test that a method returns a value within a given array?
Any of those help Before I offer you a solution, I want to unravel some details about the Spec DSL and Minitest. The must_include methods is the Spec DSL expectation for the assert_includes assertion. That method has the following signature:
TAG : ruby
Date : October 13 2020, 05:00 AM , By : Clement Petit

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