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RUBY QUESTIONS

confused about using reduce and what it's actually trying to do
confused about using reduce and what it's actually trying to do
To fix the issue you can do The accumulation (in this case a string concatenation) doesn’t happen automatically. You still need to return the new accumulator value (remember in Ruby the last statement is also implicitly the return value).This does wh
TAG : ruby
Date : December 01 2020, 04:52 PM , By : user3045362
How do I flatten a nested hash, recursively, into an array of arrays with a specific format?
How do I flatten a nested hash, recursively, into an array of arrays with a specific format?
fixed the issue. Will look into that further I have a nested hash that looks something like this: , As hinted at in the comments:
TAG : ruby
Date : December 01 2020, 04:47 PM , By : mbukhman
How to test initializer number of arguments in Ruby
How to test initializer number of arguments in Ruby
I wish did fix the issue. I need to autograde a Ruby exercise , testing with Rspec , The problem is that Card.new is defined in Card.initialize.So:
TAG : ruby
Date : November 29 2020, 12:01 PM , By : hlmn
Is it safe to exclude the Sorbet errors.txt from your git repo?
Is it safe to exclude the Sorbet errors.txt from your git repo?
Hope that helps Yes, it's safe to be ignored. As you mention, it's used to debug when things go wrong.
TAG : ruby
Date : November 28 2020, 12:01 PM , By : user3042658
Parsing values of each and every text separated by delimiter in CSV file
Parsing values of each and every text separated by delimiter in CSV file
hop of those help? Trying to create methods for reading and displaying each and every value in CSV file. Had assigned first row of CSV file as the name of functions, which can be called for accessing each text. I have also constructed an array of obj
TAG : ruby
Date : November 27 2020, 05:23 PM , By : user3042261
Messages stacking on consumers, when other consumers are available in RabbitMQ - using bunny for rails
Messages stacking on consumers, when other consumers are available in RabbitMQ - using bunny for rails
will help you RabbitMQ is working as intended.Since your code does not set QoS / prefetch, RabbitMQ sends all six messages to your first consumer. Since that consumer takes time to acknowledge messages (simulated by a 45 second sleep in the code), th
TAG : ruby
Date : November 27 2020, 05:23 PM , By : jakegreen
ruby command to split the output and check for a condition
ruby command to split the output and check for a condition
will help you Once we have the output from the query, this is a straightforward parsing problem.Here I've simulated the output using a string, stdout.each_line works just as well.
TAG : ruby
Date : November 26 2020, 03:04 PM , By : Solution
In Ruby, why doesn't ternary operator work when using a puts function inside an each statement?
In Ruby, why doesn't ternary operator work when using a puts function inside an each statement?
Hope that helps This is caused by ambiguous arguments. Ruby, unlike many other languages such as JavaScript, is really lax about requiring brackets puts x and puts(x) are equivalent. Where this breaks down is when it's not clear which are arguments,
TAG : ruby
Date : November 26 2020, 03:04 PM , By : user3041561
setting instance variables in factorygirl
setting instance variables in factorygirl
will help you Say I have a model like
TAG : ruby
Date : November 22 2020, 11:17 AM , By : Wilson Daniel Ospina
devise views in rails fetching from rvm gem set
devise views in rails fetching from rvm gem set
it should still fix some issue It looks like you're trying to use what Devise calls scoped views. Make sure you have the following:config/initializers/devise.rb
TAG : ruby
Date : November 22 2020, 11:17 AM , By : Евгений Готто
Sketchup Ruby API reference to deleted Face
Sketchup Ruby API reference to deleted Face
hope this fix your issue Instead of erasing and recreating the face constantly, simply transform the vertex to it's new position. entities.transform_by_vectors will let you do that. http://www.sketchup.com/intl/en/developer/docs/ourdoc/entities.phptr
TAG : ruby
Date : November 22 2020, 11:17 AM , By : The GameKiller
Sweeper never triggers
Sweeper never triggers
I wish did fix the issue. I have the following usecase: I have an API and a UI which both modify the same type of object Vehicle. However, when a vehicle is modified from the UI, it must have a Vehicle Identification Number provided, while if it is m
TAG : ruby
Date : November 22 2020, 11:12 AM , By : dasheen
Generate string containing escaped interpolation
Generate string containing escaped interpolation
I think the issue was by ths following , You have not the '\' in the string, it is added by the inspect: if you puts the string you will realize it:
TAG : ruby
Date : November 22 2020, 11:12 AM , By : Baga
How can I get the number of times a substring appears in a text
How can I get the number of times a substring appears in a text
wish of those help I want to get the number of occurrences of a substring in a text.
TAG : ruby
Date : November 22 2020, 11:12 AM , By : Iksniratap
Ruby keyword arguments
Ruby keyword arguments
Does that help I have the class. Method bar should accept argument foo with default value equal to @foo , Further research:
TAG : ruby
Date : November 22 2020, 11:12 AM , By : NayLinn Htet
Ruby's File::LOCK_UN doesn't appear to be working
Ruby's File::LOCK_UN doesn't appear to be working
This might help you Actually, I just figured it out right after posting the question. It's quite obvious in retrospect, but the LOCK_UN has to work on the same file handle to work, of course. Like so:
TAG : ruby
Date : November 22 2020, 11:12 AM , By : amstel
In order to get my Gem published, do I absolutely need to write tests?
In order to get my Gem published, do I absolutely need to write tests?
To fix the issue you can do It is a (good) suggestion, and is in no way required to publish a gem.
TAG : ruby
Date : November 22 2020, 11:12 AM , By : Ankur sharma
Regexp to match repeated substring
Regexp to match repeated substring
I hope this helps . The question is whether every repeated substring matches a regex. I understand that the substrings are separated by the character | or $/, the latter being the end of a line. We first need to obtain the repeated substrings:
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Emre C.
Find multiple memory sizes with regex?
Find multiple memory sizes with regex?
will help you I have multiple kind of strings which represents the storage of phones. , If you have a text like
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Human_Wave
How can I do a full text search with a phrase of more than one word, using Sequel full_text_search?
How can I do a full text search with a phrase of more than one word, using Sequel full_text_search?
this one helps. PostgreSQL's full text searching does not handle phrase searching natively. The best you can do is look for entries containing both words, using : full_text_search(:experience, 'term1 term2'), followed by using LIKE '%term1 term2%' i
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Joop Schilder
How to extract firefoxdriver from selenium server jar?
How to extract firefoxdriver from selenium server jar?
hope this fix your issue The issue turned out to be firefox. Downgraded to an older version and it worked.
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Tanaka
ruby not load font-awesome
ruby not load font-awesome
To fix this issue The easiest way to integrate font-awesome to rails is via font-awesome-rails gem. It will integrate font-awesome to rails asset pipeline.In your Gemfile add
TAG : ruby
Date : November 22 2020, 11:05 AM , By : JonRodtang
Cannot find nginx.conf using passenger-nginx and rbenv
Cannot find nginx.conf using passenger-nginx and rbenv
This might help you The answer posted before by PhilT had the correct code for installing nginx together with passenger:
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Anoop Singh
In Ruby, how can I find cities within range from a whitelist of cities?
In Ruby, how can I find cities within range from a whitelist of cities?
I wish this help you Check out the geocoder gem. It will provide you distance calculation methods.Here is a quick example to show you how you can proceed:
TAG : ruby
Date : November 22 2020, 11:05 AM , By : Jaynesh Shah
Ruby CSV << [] does not line break properly
Ruby CSV << [] does not line break properly
Any of those help The reason is that unix and windows systems do not handle newline representation the same way. See this wikipedia article. To simplify, unix uses LF, which is written as \n whereas windows expects CR+LF: \r\n. This is why it appears
TAG : ruby
Date : November 22 2020, 11:02 AM , By : selami ipek
About ruby popen
About ruby popen
hope this fix your issue Without STDERR., puts write the output to the stdout. stdout in the child process is pipe. Anything written to the stdout is not printed, but sent to the pipe.The child process write 2 lines.
TAG : ruby
Date : November 22 2020, 11:02 AM , By : Alan Somoza
Detecting if an anchor exists for an entry
Detecting if an anchor exists for an entry
Hope that helps You need to find an element that represents the result or company. Only from there can you determine if that company has a website or not.Assuming you only care about the companies listed in the actual search results, the following wi
TAG : ruby
Date : November 22 2020, 11:02 AM , By : Aditya Sharma
Rails: Best way to query across multiple models
Rails: Best way to query across multiple models
Hope that helps Join the other tables to the User table and then use them in a where clause:
TAG : ruby
Date : November 22 2020, 11:02 AM , By : Nick Loftus
How to ask the user for input and store the input to then display
How to ask the user for input and store the input to then display
Hope this helps The methods you are calling are instance methods on the Player class, which means you need to create an instance of Player in order to call them.The way you've defined your class, if you want to create a new one (with Player.new), you
TAG : ruby
Date : November 22 2020, 11:02 AM , By : Mahmoud Rayan
Unable to find a specification for `AFNetworking (~> 2.1.0)`
Unable to find a specification for `AFNetworking (~> 2.1.0)`
Does that help Make sure you have the cocoapods gem installed, then run pod setupIf for some reason that doesn't solve the problem, remove the cocoapods directory entirely with
TAG : ruby
Date : November 22 2020, 11:02 AM , By : waseem ahmad
Textmate + RVM + Rake = Rake not using expected gem environment
Textmate + RVM + Rake = Rake not using expected gem environment
fixed the issue. Will look into that further I solved my own problem. Here are the details for anyone else who has this problem...First, the answer in this question TextMate, rvm and TM_RUBY is almost perfect.
TAG : ruby
Date : November 22 2020, 11:02 AM , By : rahul kumar
Get element of an array by its contents
Get element of an array by its contents
I think the issue was by ths following , I'm sorry for weird wording. I don't know what you call this. I have this array: , This is what you have:
TAG : ruby
Date : November 22 2020, 10:58 AM , By : no end
flat_map in Ruby 1.8.7
flat_map in Ruby 1.8.7
I wish this helpful for you Just use array.map { ... }.flatten.To get all counties, you'd use...
TAG : ruby
Date : November 22 2020, 10:58 AM , By : AMAN SINGH
Ruby: Insert Multiple Values Into String
Ruby: Insert Multiple Values Into String
it fixes the issue Suppose we have the string "aaabbbccc" and want to use the Stringinsert to convert the string to "aaabbbccc". Is this the best way to insert multiple values into a Ruby string using Stringinsert or can multiple values simultaneousl
TAG : ruby
Date : November 21 2020, 04:03 PM , By : Dorin M
Trying to select a radio button from a custom attribute in Watir-Webdriver
Trying to select a radio button from a custom attribute in Watir-Webdriver
Hope this helps Is trying it this way not possible? I added the code to extend the ability to allow custom selectors: , I assume that the radio buttons on your page have html like:
TAG : ruby
Date : November 21 2020, 04:03 PM , By : Md Faiz
I am trying to understand this standalone method for practice
I am trying to understand this standalone method for practice
it fixes the issue I would assume count_lines is a method that counts the number of elements in a an array, you can count the number of elements using of the several methods ruby provides look up the Array Documentation for this, and %W is a one of r
TAG : ruby
Date : November 21 2020, 12:01 PM , By : panuza parajuli
LoadError when requiring a renamed gem
LoadError when requiring a renamed gem
hope this fix your issue I think you are facing this issue since within your gem's lib directory, you still have the file named as marvel.rb. From http://guides.rubygems.org/make-your-own-gem/ :
TAG : ruby
Date : November 21 2020, 12:01 PM , By : A.uoua
Nokogiri traverse in opposite direction from node (each parent)
Nokogiri traverse in opposite direction from node (each parent)
I wish did fix the issue. There is the ancestors method:
TAG : ruby
Date : November 21 2020, 07:35 AM , By : Teal Duck
Trying to migrate Rally Defect Requirement to JIRA
Trying to migrate Rally Defect Requirement to JIRA
may help you . would you mind posting more of your config with all of your field mappings and field handlers?My only guess at the moment is that your is inside your block. If it were in the wrong place, you might get an error like you are seeing. It
TAG : ruby
Date : November 20 2020, 12:01 PM , By : Mostho Johnson
trollop: negated flags not false, but nil
trollop: negated flags not false, but nil
should help you out According to the Trollop blog, boolean options in version 2.0 will result in that option either being assigned the value true or false. An example from that website: , It seems that Trollop returns options as a hash. This seems to
TAG : ruby
Date : November 19 2020, 04:06 PM , By : Stefano Capitanio
What does getc method do?
What does getc method do?
wish helps you reads the next 8 bit from the file.http://ruby-doc.org/core-1.8.6/IO.htmlmethod-i-getc
TAG : ruby
Date : November 19 2020, 04:06 PM , By : TFriends
Why aren't Enumerators in Ruby (2.0 +) lazy by default?
Why aren't Enumerators in Ruby (2.0 +) lazy by default?
will be helpful for those in need Make laziness the default would be a breaking change for any code that expects/relies on side-effects. Any previous usage of Enumerator would need to be examined and tested. The "safest"/"sane" approach is simply to
TAG : ruby
Date : November 19 2020, 12:01 PM , By : JeffWalterz
Installing RedCloth with RubyGems issue
Installing RedCloth with RubyGems issue
it should still fix some issue It looks like it actually did install. You're getting those errors from the documentation.Do a
TAG : ruby
Date : November 19 2020, 12:01 PM , By : Shiva tej
How can I avoid the forever process stop my capistrano deployment?
How can I avoid the forever process stop my capistrano deployment?
hope this fix your issue An old post I know but here's my take on itInstead of putting NODE_ENV in your task, set a :default_env option.
TAG : ruby
Date : November 18 2020, 03:46 PM , By : dwrichy
Ruby file reading
Ruby file reading
this one helps. Maybe you have a reason for splitting the line up into bits, but if you're just checking for those characters somewhere in the line, why not use a regex?
TAG : ruby
Date : November 18 2020, 03:46 PM , By : wuok
Ruby case/when vs if/elsif
Ruby case/when vs if/elsif
wish help you to fix your issue The case expression is not at all like a try/catch block. The Ruby equivalents to try and catch are begin and rescue.In general, the case expression is used when you want to test one value for several conditions. For e
TAG : ruby
Date : November 18 2020, 03:42 PM , By : Georgios Thaniotis
How to test if RestClient is returning a file or a JSON?
How to test if RestClient is returning a file or a JSON?
I wish this helpful for you I'm calling a URL that either returns a file or a JSON with an error message. So, for example , This seems to do it:
TAG : ruby
Date : November 18 2020, 03:42 PM , By : Sourabh
What equality is used by Hash methods?
What equality is used by Hash methods?
I hope this helps . Most implementations of a hash type, Ruby’s included, rely on a hash first (for speed!) and then equality checks. To verify that it works, first, you can just add
TAG : ruby
Date : November 17 2020, 12:01 PM , By : Sarah A. moniem
`exec` kills script
`exec` kills script
it fixes the issue It is the expected behaviour of the exec method, the documentation about it says:
TAG : ruby
Date : November 17 2020, 12:01 PM , By : ranga reddy
Ruby REGEX parser
Ruby REGEX parser
To fix the issue you can do If you truly just want text after the first :, I would not use a Regex. I would use Stringsplit
TAG : ruby
Date : November 17 2020, 12:00 PM , By : Mohamed Farees
Getting "rails new" to work for 2nd application with RVM/ruby 2.1.0
Getting "rails new" to work for 2nd application with RVM/ruby 2.1.0
I hope this helps . "rails-0.9.5" is a problem. You've somehow wound up with an ancient version of Rails in your gemset. You're going to have to upgrade that.
TAG : ruby
Date : November 16 2020, 12:01 PM , By : Georges-Michael Math
Is there a way to use ruby in a node environment on Travis CI?
Is there a way to use ruby in a node environment on Travis CI?
should help you out Apparently all environments have ruby installed, so I just need to install the sass gem.Add the following inside my .travis.yml file worked.
TAG : ruby
Date : November 16 2020, 12:01 PM , By : Proma Mukherjee
Ruby error any? cause an ActionView::Template::Error - undefined method
Ruby error any? cause an ActionView::Template::Error - undefined method
like below fixes the issue I'm new in ruby and rails. And now a little confused about the following problem. , This line
TAG : ruby
Date : November 16 2020, 12:01 PM , By : عبدالله مولى الدويله
How to get constant name by filename
How to get constant name by filename
wish of those help You may wanna take a look at the implementation of Inflectorcamelize in ActiveSupport, see: http://api.rubyonrails.org/classes/ActiveSupport/Inflector.htmlmethod-i-camelize
TAG : ruby
Date : November 14 2020, 05:18 PM , By : Pascal F.
How to scrape a website with the socksify gem (proxy)
How to scrape a website with the socksify gem (proxy)
this one helps. I am reading through the documentation of the socksify gem on Rubyforge. I have installed the gem successfully, and I have run this documented code with success to test that my local implementation can replicate it:
TAG : ruby
Date : November 14 2020, 05:18 PM , By : Nathan
UTF-8 Encoding Character set
UTF-8 Encoding Character set
wish of those help Try the Base64 module of ruby-1.9 stdlib, see example:
TAG : ruby
Date : November 14 2020, 05:16 PM , By : Razeel Mohammed
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