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RUBY QUESTIONS

Instance variable inside singleton class
Instance variable inside singleton class
hop of those help? It's because class
TAG : ruby
Date : November 23 2020, 11:01 PM , By : Angus
Is Ruby turning my hash into an Array, if so why?
Is Ruby turning my hash into an Array, if so why?
will be helpful for those in need So I'm trying to make a tree data structure, which can be instantiated by a nested hash. , hashTree[node_name] is p["grandpa"], and is a Hash:
TAG : ruby
Date : November 23 2020, 11:01 PM , By : praveen
catch-all getter method on openstruct?
catch-all getter method on openstruct?
I hope this helps you . First of all - OpenStruct already functions very much like JavaScript (given that [] is a synonym of call):JS:
TAG : ruby
Date : November 22 2020, 11:00 PM , By : muhamad azwa amrie m
insert characters into designated area of string
insert characters into designated area of string
will be helpful for those in need It's actually pretty simple if you just substitute for all non-present letters:
TAG : ruby
Date : November 21 2020, 11:01 PM , By : Rlearner
How do I get this loop to write to CSV after each row iteration rather than after each file?
How do I get this loop to write to CSV after each row iteration rather than after each file?
wish help you to fix your issue I think you can write the header explicitly. This is based on my understanding so far with our comments
TAG : ruby
Date : November 15 2020, 11:01 PM , By : Jennifer Price Hare
Why do I need to add ~/.rbenv/bin to my path?
Why do I need to add ~/.rbenv/bin to my path?
Hope this helps I read in "rbenv can39;t change global ruby version" that I need to add ~/.rbenv/bin to my PATH for rbenv to work. , I had the following in my .zshrc
TAG : ruby
Date : November 14 2020, 11:01 PM , By : Mejison
How do I use ljust and rjust correctly in Ruby?
How do I use ljust and rjust correctly in Ruby?
around this issue I have some code: , You need to split the text into two first.
TAG : ruby
Date : November 14 2020, 11:01 PM , By : Jeffery Russell
How do I add data in a new column on each row within a CSV?
How do I add data in a new column on each row within a CSV?
With these it helps I figured this out.Basically, I can't edit an existing CSV like that, so I just have to read all the rows from the old_csv and create a new_csv. From that old_csv, I then pass the corresponding data from the old_csv to the method
TAG : ruby
Date : November 14 2020, 11:01 PM , By : Krunal Patel
Ruby: Extended instance variables
Ruby: Extended instance variables
wish of those help There are a number of ways to do what you describe.The most common one would be to use instance_variable_get and instance_variable_set:
TAG : ruby
Date : November 13 2020, 11:01 PM , By : noma
How do I access the filename of the CSV file I just opened?
How do I access the filename of the CSV file I just opened?
I think the issue was by ths following , In your sample the variable csv holds the path of the CSV file. That local variable is available in the blocks of its children, it shares its scope down but not upwards.So:
TAG : ruby
Date : November 13 2020, 11:01 PM , By : P. Leung
How do I show more surrounding code in byebug?
How do I show more surrounding code in byebug?
hope this fix your issue You are looking for set listsize.P.S. never used byebug, just a quick sight on the gem's Readme.
TAG : ruby
Date : November 12 2020, 11:01 PM , By : vikram_patil
How to make a secure HTTP/2 connection to Ruby server with Chrome and Firefox?
How to make a secure HTTP/2 connection to Ruby server with Chrome and Firefox?
I wish did fix the issue. It seems that Chrome insists on using ephemeral ECDH key exchange for HTTP/2, and to get that to work you need to set tmp_ecdh_callback:
TAG : ruby
Date : November 10 2020, 11:01 PM , By : Marta Ruiz
How can i treat functions like objects in ruby?
How can i treat functions like objects in ruby?
I hope this helps you . You can instead pass the receiver and the function you intend calling as below:
TAG : ruby
Date : November 10 2020, 11:01 PM , By : qw12
how to merge the hours minutes and seconds from a multiline string in ruby?
how to merge the hours minutes and seconds from a multiline string in ruby?
I hope this helps . i am getting a multiline string in ruby. lets say , Code
TAG : ruby
Date : November 09 2020, 11:01 PM , By : Neon.Sai
Trouble changing ruby version for sh
Trouble changing ruby version for sh
To fix the issue you can do Try installing via homebrew, after it installs it should show you how to symlink it to the system install.
TAG : ruby
Date : November 09 2020, 11:01 PM , By : Vijay Kumar Prajapat
Simple API call to parse JSON
Simple API call to parse JSON
will be helpful for those in need The response you get is not a hash. It is an array of hashes. Please try printing out responsebody[0].
TAG : ruby
Date : November 08 2020, 11:01 PM , By : vmaaik
How do I extract the root domain from a domain using the URI class in Ruby?
How do I extract the root domain from a domain using the URI class in Ruby?
I wish this help you Say I have a URL like this: http://www.rubinassociatespa.com/AccountantBocaRaton.html , I always use:
TAG : ruby
Date : November 07 2020, 11:01 PM , By : Yash Chhabra
How to get the second element of an array in an array ruby
How to get the second element of an array in an array ruby
seems to work fine I have a set as follows: , It appears you want the following.
TAG : ruby
Date : November 06 2020, 11:01 PM , By : Jay Lee
Podio: which TimeZone is used while setting DateTime field value
Podio: which TimeZone is used while setting DateTime field value
I hope this helps you . It appears that Podio API is pretty smart and is aware of my timezone.Here are couple of examples with requests and results. Setting DateTime field to 14:15:00 being authenticated as different users and as app.
TAG : ruby
Date : November 05 2020, 11:01 PM , By : Raj
How to iterate over rows and print out CSV::Table values in Sinatra
How to iterate over rows and print out CSV::Table values in Sinatra
hope this fix your issue I'm making a simple Sinatra app and have the following 'numbers.csv' file: , The code is fine. As i show below:
TAG : ruby
Date : November 05 2020, 11:01 PM , By : yanceywang
In Ruby, why aren't variables not interchangeable within code blocks?
In Ruby, why aren't variables not interchangeable within code blocks?
Any of those help I'm not really into Ruby, but I think that is because if you use while line = file.gets, the file.gets return a line and read (and copy to buffer) the next one. In the final iteration, where the while is in the last line, the while
TAG : ruby
Date : November 05 2020, 11:01 PM , By : Rohan Shrestha
Fresh Jekyll Install on Sierra OS
Fresh Jekyll Install on Sierra OS
fixed the issue. Will look into that further The css is a bit messed up because the domain is wrong in the _config.yml. You can remove the example url and it’ll work nicely.Should look like this.
TAG : ruby
Date : November 04 2020, 11:01 PM , By : Shipeng Fu
What does it mean to "open" a file in Ruby by using File.new?
What does it mean to "open" a file in Ruby by using File.new?
Hope that helps The File.new method executes a call to IO::new (docs here).The thing being "opened" in this case is an input/output stream which Ruby tracks using file descriptors. These file descriptors can be expensive to keep around which is why i
TAG : ruby
Date : November 04 2020, 04:05 PM , By : yang
Negative Conditional Statement in Ruby
Negative Conditional Statement in Ruby
To fix this issue Since Ruby has not just if, but unless, you're encouraged to use it so long as the resulting code is clear. That is you should convert something like this:
TAG : ruby
Date : November 03 2020, 11:01 PM , By : Damian
How to give a date a background color with axlsx?
How to give a date a background color with axlsx?
around this issue You will need to specify the number format as well so your style would look like
TAG : ruby
Date : November 01 2020, 01:04 PM , By : leandro tocalini
Mechanize Ruby: Print Cookies
Mechanize Ruby: Print Cookies
I wish did fix the issue. When I do agent.get(URL) I get blank results while when I access the URL directly I can see the results. Is it because some cookies are passed to the result page? Can you please help me to print cookies before agent.get(URL)
TAG : ruby
Date : November 01 2020, 12:01 AM , By : J4Y4G3
ruby's Mail gem: how to see if attachment is inline
ruby's Mail gem: how to see if attachment is inline
To fix the issue you can do In your case, the pic doesn't have a Content-Disposition header defined. What to make of this differs a bit between standards (some default to attachment, some to inline). To quote RFC 2183:
TAG : ruby
Date : October 31 2020, 09:54 AM , By : Alexander Genoff
Find index of a given CSV row
Find index of a given CSV row
this will help index only works for arrays. For enumerables like CSV::Table, you have to use find_index:
TAG : ruby
Date : October 31 2020, 12:01 AM , By : kevin lee
Return anonymous object from a method in ruby
Return anonymous object from a method in ruby
it helps some times Openstruct?
TAG : ruby
Date : October 31 2020, 12:01 AM , By : Seung
Ruby gtk3 Gtk::Accelerator missing. How to bypass?
Ruby gtk3 Gtk::Accelerator missing. How to bypass?
wish help you to fix your issue I am trying to use Ruby gtk3 gem.
TAG : ruby
Date : October 22 2020, 01:08 AM , By : Manoj Gururaj
What's wrong with these Ruby variables?
What's wrong with these Ruby variables?
To fix this issue You cannot have variables begin with a number. Rename your variables to first_excl_checkbox and second_excl_checkbox and you'll be good to go.
TAG : ruby
Date : October 20 2020, 03:08 PM , By : Crush on Cosplay
How to allow only one class to access a method from another class?
How to allow only one class to access a method from another class?
I wish this help you There are no clear solutions. If B can do it, so can C. Unlike some other languages, ruby doesn't have "internal" or "package" visibility modifier, which could help you if A and B were in the same "package", but C was external. I
TAG : ruby
Date : October 19 2020, 03:08 PM , By : Андрей Павлов
RegEx Or with Wildcard not matching
RegEx Or with Wildcard not matching
around this issue The problem is that the (\s+|$) part is consuming the spaces that subsequent matches need to identify the starting part. You're basically sabotaging your next round by gobbling up all those spaces and leaving the pointer at the 3 po
TAG : ruby
Date : October 19 2020, 03:08 PM , By : Tatjana Predojev
Regex for selecting hostname from CSS font-face rules
Regex for selecting hostname from CSS font-face rules
Does that help Answer Brief Unfortunately, there's no direct way to do this with regex. What you can do, however, is use a workaround to determine where each @font-face is located and then find any urls within them.
TAG : ruby
Date : October 17 2020, 03:08 PM , By : KitV
Why can I call private methods via Object#send, but not directly call said methods?
Why can I call private methods via Object#send, but not directly call said methods?
With these it helps Why can I call a private method via Objectsend(:private_method)? Look carefully at what you did:
TAG : ruby
Date : October 17 2020, 01:08 AM , By : Sam Tallman
Infinity is returned when calculating average in array
Infinity is returned when calculating average in array
help you fix your problem When writing average functions you'll want to pay close attention to the possibility of division by zero.Here's a fixed and more Ruby-like implementation:
TAG : ruby
Date : October 17 2020, 01:08 AM , By : Ask Plays
Why does this until modifier return nil?
Why does this until modifier return nil?
will help you A language like ruby is composed of expressions. Each expression has a return value. The until keyword is a flow control tool that allows to execute an expression "until" certain condition is fulfilled. Seems like an expression of the f
TAG : ruby
Date : October 15 2020, 03:08 PM , By : Karol Włodek
how to return exact error from create params if any missing
how to return exact error from create params if any missing
should help you out Having validations at database level like NOT NULL is a good practice. But it is not possible, or reliable, to catch an error raised by the DB. If you want good error messages, do the validation at ActiveRecord's level.
TAG : ruby
Date : October 15 2020, 01:08 AM , By : robotfan
Why is a UTF-8 string not equal to the equivalent ASCII-8BIT string in Ruby 2.0?
Why is a UTF-8 string not equal to the equivalent ASCII-8BIT string in Ruby 2.0?
Does that help I am using Ruby 2.3: , (1) why does it return false?
TAG : ruby
Date : October 14 2020, 09:39 AM , By : Joshjen Conley
Ruby Kernel module methods used as Object class methods
Ruby Kernel module methods used as Object class methods
I think the issue was by ths following , Say I want to patch the Kernel module with one method I just came up with: , Kernel is just included in Object [...]
TAG : ruby
Date : October 14 2020, 06:59 AM , By : Neonblur Latinshit
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