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RUBY QUESTIONS

how to start two threads (almost) simultaneously?
how to start two threads (almost) simultaneously?
wish helps you You need to call Thread.new with a block. i.e instead of Thread.new(...) you need either
TAG : ruby
Date : November 27 2020, 09:01 AM , By : mpt
Can I upgrade to the current version of Ruby (2.2.3) on OS X v10.6.8?
Can I upgrade to the current version of Ruby (2.2.3) on OS X v10.6.8?
it should still fix some issue I suggest that you use RVM to install Ruby.
TAG : ruby
Date : November 27 2020, 09:01 AM , By : mac_srv
Iterating over array without returning the array
Iterating over array without returning the array
wish of those help I'm working on a module to format print output for the console. The problem I'm running into is when I call .each on an array that I have, it returns the array in the console. I need to control what gets returned in the console. ,
TAG : ruby
Date : November 25 2020, 09:00 AM , By : Victor Nido
Rspec pass test in ruby testing
Rspec pass test in ruby testing
this will help solution.highest_count_words_across_lines is an array of strings. When you do this: solution.highest_count_words_across_lines.map(:highest_wf_words) you are calling highest_wf_words on each of the array items, and that method is not de
TAG : ruby
Date : November 24 2020, 09:00 AM , By : Santosh Darwandar
Why does "23 Dogs" get parsed to 23 november 2015 in pry, but "3 Dogs" gives a parser error?
Why does "23 Dogs" get parsed to 23 november 2015 in pry, but "3 Dogs" gives a parser error?
it helps some times This has nothing to do with Pry. If you examine the doc for Date::parse you'll see, "If the optional second argument [comp] is true [the default] and the detected year is in the range “00” to “99”, considers the year a 2-digit for
TAG : ruby
Date : November 24 2020, 09:00 AM , By : StarCOM
vagrant ssh not working in MobaXterm on Windows
vagrant ssh not working in MobaXterm on Windows
it should still fix some issue Part of the trick is that I don't want to use the Windows PATH for arbitrary commands—not even for ssh, really. I want to use the versions in MobaXterm for everything. All I want is to be able to run vagrant ssh the sam
TAG : ruby
Date : November 24 2020, 09:00 AM , By : AdeleBN
What's the most idiomatic substitute for Ruby's missing string#unshift?
What's the most idiomatic substitute for Ruby's missing string#unshift?
I hope this helps you . Though there's no Stringunshift, there is a Stringprepend, which would allow you to prepend strings to an existing string.
TAG : ruby
Date : November 23 2020, 09:01 AM , By : Sravana Sandhya
Ruby remove triple quotes
Ruby remove triple quotes
Hope this helps I want to put a quoted string into a csv like this: , This one may help:
TAG : ruby
Date : November 22 2020, 02:59 PM , By : rahu PM
Rspec error in ruby code testing
Rspec error in ruby code testing
I wish did fix the issue. The entire point of this test is to insure that the constructor invokes the method. It's written very clearly, in a very straight forward way.If you want the test to pass, modify the constructor so it invokes the method.
TAG : ruby
Date : November 22 2020, 02:59 PM , By : Mike K
ruby .each to compare with index before
ruby .each to compare with index before
wish helps you I'm having trouble understanding the benefits of using of methods vs normal looping in Ruby at times. Methods seem much less flexible to me. For ex. the .each vs a while loop. , How would I do this with a .each?
TAG : ruby
Date : November 22 2020, 02:59 PM , By : Rodrigo Vimieiro
Why doesn't `array.include` [sic] show the correct output
Why doesn't `array.include` [sic] show the correct output
like below fixes the issue The include method returns a boolean value. So your solution eliminates one of the steps, which is great. The old script didn't work because you were trying to compare a boolean value to a string. You could take away your q
TAG : ruby
Date : November 22 2020, 02:59 PM , By : msyed
Why ruby StringIO does not give different encodings
Why ruby StringIO does not give different encodings
This might help you Why in the following code I get different encodings ? , Lets dissect your code...
TAG : ruby
Date : November 22 2020, 09:00 AM , By : Bobby Brooks
How to convert following curl code to ruby code with restclient
How to convert following curl code to ruby code with restclient
this one helps. As we have to specify the headers before the payload. And the API_KEY and TOKEN should be inside the headers section.So following RestClient request is the solution for my question.
TAG : ruby
Date : November 21 2020, 09:01 AM , By : žid arashid
Install RHC Client Tools (Openshift) on Windows 10
Install RHC Client Tools (Openshift) on Windows 10
I think the issue was by ths following , I had a similar problem with Windows 10 PC. And I have used newer version of Ruby and latest version of Git. Please consider viewing the answer here.!
TAG : ruby
Date : November 21 2020, 09:01 AM , By : zyiu
`<top (required)>': uninitialized constant Object::ATM (NameError)
`<top (required)>': uninitialized constant Object::ATM (NameError)
Any of those help I believe initialize.rb doesn't know what ATM is, because you haven't referenced it there via require().initialize implies startup behavior, but in this case it appears to be serving the purpose of a runner or executable, which most
TAG : ruby
Date : November 20 2020, 09:01 AM , By : Liam Fernandez
How to get response from API after POST
How to get response from API after POST
wish helps you If the API is returning a body you should be able to get this from your response with resp.body
TAG : ruby
Date : November 19 2020, 03:54 PM , By : Nils Krumnack
Why does Rails-4.2.5 NOT install the expected version of Nokogiri (1.6.7.rc4)
Why does Rails-4.2.5 NOT install the expected version of Nokogiri (1.6.7.rc4)
may help you . This is indeed caused by the rails-dom-testing dependency as I suspected in my comments. To fix this, after you install a new rails project, cd into the new project root directory and do this:
TAG : ruby
Date : November 19 2020, 09:01 AM , By : Maxime M
How to get a random number with a minimum value
How to get a random number with a minimum value
like below fixes the issue If you just want to generate a high random maximum value, you could call:
TAG : ruby
Date : November 19 2020, 12:35 AM , By : Frozen Tiger
Get the names and values of the arguments
Get the names and values of the arguments
I hope this helps . I wanted an instance method that creates a hash with the name of the arguments and their values. , Using your local_variables, you can refactor your code to:
TAG : ruby
Date : November 17 2020, 09:01 AM , By : Melts
Issue with Nested Form Create - ActionController::UrlGenerationError in Calls#new
Issue with Nested Form Create - ActionController::UrlGenerationError in Calls#new
wish help you to fix your issue So i solved this little problem.. It was actually a pretty ridiculous issue.. Whe i created the nested controller, I had the controller open when I dragged and dropped the file into the calls folder under controllers..
TAG : ruby
Date : November 16 2020, 09:01 AM , By : Kaivalya Shah
Sinatra: modular routes class not recognizing helper methods
Sinatra: modular routes class not recognizing helper methods
should help you out The short answer to your question is that every time you subclass Sinatra::Base, it creates a completely independent Sinatra application. Just because multiple classes subclass Sinatra::Base doesn't mean they all inherit each othe
TAG : ruby
Date : November 16 2020, 09:01 AM , By : Ayoub
I solved Project Euler #15 the wrong way. Why did this work?
I solved Project Euler #15 the wrong way. Why did this work?
I wish this help you The number of repeated combinations of length r of n things is equal to (n + r - 1; r). See this website (the section titled "Combinations with Repetition") for why.In your code, r is the same as n, so you can write this as (2n -
TAG : ruby
Date : November 16 2020, 09:01 AM , By : Heena Gajjar
Need a regex that can remove a number and following dot
Need a regex that can remove a number and following dot
wish helps you I have some strings that come in from lists like this: , Try /^\s*\d+\.\s/:
TAG : ruby
Date : November 16 2020, 09:01 AM , By : Sudhir Kumar
how do i access a param on more than one post or get
how do i access a param on more than one post or get
seems to work fine In most apps you'll want to save user-submitted data someplace, most typically a SQL (or NoSQL) data store.In this case you could use the session object to persist the username between requests with session[:name] = params[:name],
TAG : ruby
Date : November 15 2020, 09:01 AM , By : HolyHam
Issues trying to bootstrap Chef for windows client with knife-windows
Issues trying to bootstrap Chef for windows client with knife-windows
This might help you "{current_dir}/companyvalidator" Does that file exist? Usually that would be something ending in .pem. If that path isn't a thing, it would fall back to new-style bootstrapping which I don't think works on Windows yet.
TAG : ruby
Date : November 14 2020, 09:01 AM , By : parth ramani
Ruby: difference between def and define_method
Ruby: difference between def and define_method
fixed the issue. Will look into that further Let's make it simple.define_method is a method. Or I should say a private class method of Object class. You invoke it by giving it an argument as instance method name you are going to define, and a block w
TAG : ruby
Date : November 14 2020, 09:01 AM , By : Renan Alves
Docker container knows rbenv global but not ruby
Docker container knows rbenv global but not ruby
I wish did fix the issue. The issue at hand here is that every RUN statement in the Dockerfile happens in its own environment. The RUN source ~/.bash_profile will set $PATH to have /root/.rbenv/shims in it. But subsequent RUN will not have this envir
TAG : ruby
Date : November 14 2020, 09:01 AM , By : larry
Issue with Routes when implementing a nested form
Issue with Routes when implementing a nested form
I think the issue was by ths following , Your routes file seems to have a misplaced end keyword. Try writing your routes file like so:
TAG : ruby
Date : November 14 2020, 07:01 AM , By : simpleman91
Why are the two randomly generated arrays always the same?
Why are the two randomly generated arrays always the same?
this one helps. I'm trying to generate two arrays with random content. The code is as follows: , This is where things start to go wrong:
TAG : ruby
Date : November 14 2020, 06:58 AM , By : Nobal Adhikari
Testing program that runs with user input from the console
Testing program that runs with user input from the console
may help you . As demonstrated in this answer, you can override getvalue to feed in the user input.Here is complete code that works without actually using gets. I had to add couple of missing methods - validate_floor_number and final_destination:
TAG : ruby
Date : November 13 2020, 05:40 AM , By : yona chimodzi
Step Based signal to smooth one - How can I interpolate?
Step Based signal to smooth one - How can I interpolate?
will be helpful for those in need What you want here is a digital filter - specifically a lowpass filter.There are two types of simple digital filter, Finite Impulse Response and Infinite Impulse Response.
TAG : ruby
Date : November 12 2020, 09:01 AM , By : Abhishek Saxena
How to loop through an array of possible integers, such as from [1,1,1,1] to [1,1,1,2], ... and finally to [6,6,6,6]?
How to loop through an array of possible integers, such as from [1,1,1,1] to [1,1,1,2], ... and finally to [6,6,6,6]?
may help you . Sometimes I need a way to do this, and wonder if this is a common problem or method and has a name to it: , AKA as permutations with repetition
TAG : ruby
Date : November 11 2020, 09:01 AM , By : Dirk Prinsloo
Error appearing in bash script when run with LaunchControl
Error appearing in bash script when run with LaunchControl
Hope that helps A way to solve this is to use the tutorial set out here. I have summarised the approach below. The summary includes a fix for a problem that occurred when I followed the tutorial.My ruby task is called daily_checks.rb and is as follow
TAG : ruby
Date : November 11 2020, 09:01 AM , By : Codrut Constantin Gu
How not to have to type "bundle exec" using Bundler binstubs & chruby?
How not to have to type "bundle exec" using Bundler binstubs & chruby?
fixed the issue. Will look into that further Just install the simplecov gem in your system (simply do: gem install simplecov) and run your test again. It will work.But, it's a better practice to use bundle exec to run the rake or rspec commands. Beca
TAG : ruby
Date : November 09 2020, 09:01 AM , By : Giftson Joel
Ruby: modules extending/including modules
Ruby: modules extending/including modules
Any of those help I'm trying to better understand how modules extend and include each other. , I mix its bag of tricks into B
TAG : ruby
Date : November 09 2020, 08:00 AM , By : jups
Get path to particular scheme
Get path to particular scheme
With these it helps You can use Xcodeproj::XCScheme.shared_data_dir(project_path)(Agreed we could have a better way to create an Xcodeproj::XCScheme instead directly from the Xcodeproj::Project instance to make this easier)
TAG : ruby
Date : November 08 2020, 09:00 AM , By : TomT
Table.where(x:y).othertable
Table.where(x:y).othertable
Hope that helps It should not be done this way at all. You need to join the tables together lke this.It you have a class User that has_many Posts then you should write Post.joins(:user).where('users.x = ?', y)
TAG : ruby
Date : November 08 2020, 09:00 AM , By : Dan K
Concatenate procs while retaining context reevaluation capabilities
Concatenate procs while retaining context reevaluation capabilities
this will help I want to concatenate the bodies of two procs. But unlike here, there is a twist. The resulting proc should retain the original procs' instance_eval-ability. , You can do
TAG : ruby
Date : November 08 2020, 09:00 AM , By : Zilani
Write a new file with defined function on Ruby
Write a new file with defined function on Ruby
Any of those help When calling puts, you're writing to stdout, but the return value will be empty.Change this:
TAG : ruby
Date : November 07 2020, 01:32 PM , By : Djilani Fiali
Minitest - Tests Don't Run - No Rails
Minitest - Tests Don't Run - No Rails
it fixes the issue By convention, tests in Minitest are public instance methods that start with test_, so the original test has no actual test methods. You need to update your test class so that the methods with assertions follow the convention as:
TAG : ruby
Date : November 07 2020, 01:32 PM , By : facebook-15817971887
How does Ruby differentiate VALUE with value and pointer?
How does Ruby differentiate VALUE with value and pointer?
This might help you There are many different implementations of Ruby. The Ruby Language Specification doesn't prescribe any particular internal representation for objects – why should it? It's an internal representation, after all!For example, JRuby
TAG : ruby
Date : November 07 2020, 09:00 AM , By : EndlessDex
Remove certain instance of a specific item from a string
Remove certain instance of a specific item from a string
like below fixes the issue You could use sub like this:
TAG : ruby
Date : November 05 2020, 06:58 PM , By : ozzo
Rake, how to create a task with multiple inputs and one output?
Rake, how to create a task with multiple inputs and one output?
will be helpful for those in need You can use Rake::FileList to achieve this. Something like this:
TAG : ruby
Date : November 05 2020, 06:58 PM , By : Reese Degree
nil value being assigned in || test
nil value being assigned in || test
hope this fix your issue I'm trying to do a conditional assignment: , One says @time_entries and the other says @times_entries
TAG : ruby
Date : November 05 2020, 09:01 AM , By : Darnetta Lane
How to access element
How to access element
should help you out I am beginner Rails developer. I tried all Stack Overflow answers, but I have had no success. , Not sure what your problem is, but it should work this way:
TAG : ruby
Date : November 05 2020, 09:01 AM , By : Awwab Alkhiami
def vs. define_method in Ruby
def vs. define_method in Ruby
With these it helps As you can see, my_other_method is in the list, but my_method is not. What causes this?
TAG : ruby
Date : November 04 2020, 04:02 PM , By : eskh
Calculating percentage returns integer
Calculating percentage returns integer
Any of those help I have two integer values dicount_percentage and price. When I run the following command, it always returns 0 rather than the discount value etc. , Cast one of price or discount_percentage to float:
TAG : ruby
Date : November 04 2020, 04:02 PM , By : Usman Shaikh
Rspec don't show me the its
Rspec don't show me the its
wish helps you RSpec reads from the .rspec configuration file in the directory you run it from. It sounds like in one workspace, that contains --format documentation, and in the other, it contains --format progress (or nothing, progress is default).
TAG : ruby
Date : November 04 2020, 04:00 PM , By : Smith
Not able to install any gem including SASS using RubyGems from terminal
Not able to install any gem including SASS using RubyGems from terminal
wish of those help This is because of SSL security reasons, Try this Commandgem sources -a http://rubygems.org/
TAG : ruby
Date : November 04 2020, 09:01 AM , By : pphhiilliipppp
Match string numbers with Ruby regex
Match string numbers with Ruby regex
Hope this helps How can I match everything that has the numbers: 001 to 010, in the end.
TAG : ruby
Date : November 04 2020, 08:15 AM , By : Chris Martinez
Open Editor From Command Line and Fetch Input
Open Editor From Command Line and Fetch Input
To fix this issue The common workflow is: the caller application creates a temporary file; determines the default editor (for Debian-based it would be /usr/bin/editor, for other linuces — the content of shell variable $EDITOR, etc); runs a shell comm
TAG : ruby
Date : November 03 2020, 09:01 AM , By : dfdp
Find the range in which the number belongs, from a range string
Find the range in which the number belongs, from a range string
I think the issue was by ths following , I have an array of hashes as shown below:
TAG : ruby
Date : November 01 2020, 04:09 PM , By : Elena Alvarez
output everything between specific string ruby
output everything between specific string ruby
help you fix your problem I have a line within a file which is structured as follows: , Try:
TAG : ruby
Date : November 01 2020, 04:09 PM , By : Luke Doman
Evaluating multiple rspec expectations with cucumber
Evaluating multiple rspec expectations with cucumber
I hope this helps . I am using rspec expectations with cucumber. It seems that when using multiple expects in a cucumber steps, cucumber evaluates them until first of them fails. However I want to continue running also other expects to get a clear pi
TAG : ruby
Date : November 01 2020, 03:09 PM , By : pauarriaga
devise reset password token invalid
devise reset password token invalid
This might help you There was a one line code for my solution, which I have made complicated by adding manual mailer, actions, etc.To solve this problem I just have to call devise's send_reset_password_instructions in user object:
TAG : ruby
Date : November 01 2020, 03:09 PM , By : Zemi Barbosa
Disable Rubocop argument list length
Disable Rubocop argument list length
it helps some times You could drop a file named .rubocop.yml in your project root directory with the following content.
TAG : ruby
Date : November 01 2020, 09:01 AM , By : lbeaudoin
Vim's Ruby option is not enabled
Vim's Ruby option is not enabled
will help you The functionality on the second screenshot is given by installing the vim-ruby plugin.The internal Ruby support is to allow people to write plugins and scripts for Vim using Ruby and it's not strictly necessary for what you seem to want
TAG : ruby
Date : October 31 2020, 05:43 PM , By : Superyaro
String#gsub to maintain case?
String#gsub to maintain case?
around this issue How about using Stringtr:
TAG : ruby
Date : October 31 2020, 05:41 PM , By : Eric Karlsson
Double splat and default value in method profile
Double splat and default value in method profile
this one helps. If the input to the method MUST be options hash, then, use double splat operator **. Using options = {} only declares the default value to be empty hash, however, it does not necessarily guarantee that caller will pass hash - she may
TAG : ruby
Date : October 31 2020, 01:52 PM , By : Ajay VG
Child Classes inheriting included module method from parent classes in Ruby
Child Classes inheriting included module method from parent classes in Ruby
hope this fix your issue this entry (and the other point where calculate_interest is called)...
TAG : ruby
Date : October 31 2020, 01:49 PM , By : Kenneth Huang

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