229,128 questions
Score of -6
0 answers
64 views
How to make user-editable animations in Ruby? [closed]
So i'm a Ruby developer making many software, and I want to make a user-editable 2D Animation in Ruby. I'm using vscode.dev and a pretty basic knowledge of programming.
- reputation score 1
Score of 2
1 answer
101 views
How to make sentence DSL in Ruby?
A couple of years ago, I saw a video on youtube where a person writes an example of Ruby DSL, but with the syntax of a regular sentence, without any commas or other separators, something like this:
...
- reputation score 23
Score of 1
1 answer
125 views
Advance inner and outer loop at the same time, but stay inside inner loop until condition is met
In Ruby, I have an array of arrays containing states and cities like so:
[ ['Alaska', 'Anchorage'], ['Alaska', 'Juneau'], ['Ohio', 'Akron'], ['Ohio', 'Cleveland'], ['Washington', 'Seattle'], ['...
- reputation score 300
Score of 0
1 answer
90 views
User unexpectedly being logged out in test using Timecop after adding `expire_after` to session store
I have an RSpec system test like this:
before do
do_login
end
after do
Timecop.return
end
it 'does something' do
Timecop.freeze(Time.current.noon)
visit '/staff'
expect(page).to ...
- reputation score 6860
Score of 2
1 answer
113 views
Gem::Version : Getting Argument Error, although I am passing the correct number of parameters
I have the code
class EmptyVersion < Gem::Version
def initialize
super('')
end
end
v = EmptyVersion.new
Running this produces:
'new': wrong number of arguments (given 0, expected 1) ...
- reputation score 23057
Advice
1
vote
7
replies
224
views
Count the number of vowels in a text
A rookie in Ruby here. I'm trying to count the number of each vowel in a text entered by the user but I'm stuck. My code is this at the moment:
def count_vowels(phrase)
puts 'Enter a text:'
...
- reputation score 1
Tooling
0
votes
5
replies
83
views
A rubylang mode for the Jed editor (from jedsoft)?
I'm running the latest Jed editor from jedsoft.org under Debian 13 and under LinuxMint 22.3.
I want to create a mode in Jed for editing code in the Ruby language.
Before I try to "re-invent the ...
- reputation score 2419
Score of 1
1 answer
117 views
How to parse and generate week strings for HTML week elements in Ruby/Rails? [closed]
HTML has a week selector <input type="week"> which provides a string such as 2026-W05 (Week 5 of 2026).
Ruby provides the strptime/strftime methods which seem to be able to handle this ...
- reputation score 618
Best practices
0
votes
10
replies
216
views
How to minimize number of lookups in a Hash?
say you want to find the first duplicate in an array. you could do something like this:
cnt = {};
[ 11, 22, 77, 22, 33 ].each_with_index { |x,i|
j = cnt[x]; ## <1>
break [x, j, i] ...
- reputation score 147
Score of 1
0 answers
63 views
Hanami db migrate
I'm following the Hanami tutorial documentation for building a web app.
I run bin/hanami db migrate and I get the following error:
=> database db/bookshelf.sqlite migrated in 0.2763s
Error: in ...
- reputation score 11
Score of 1
1 answer
75 views
msgpack gem failing to install on MacOS when running `bundle install`
I'm on MacOS Tahoe (26.3.1 (a)). I have a Ruby project which requires msgpack (1.4.2).
Unfortunately, when I run bundle install, I see:
Fetching msgpack 1.4.2
Installing msgpack 1.4.2 with native ...
- reputation score 6860
Score of 1
1 answer
74 views
How to use existing chromium profile for ferrum?
I have setup chromium profile and wish to use that with ruby ferrum library. I copied complete configurations directory into /tmp and passed browser switched, but profile extensions seems to not work....
- reputation score 23
Tooling
0
votes
4
replies
135
views
Automating repetitive tasks with Ruby and Selenium WebDriver
I followed the advice from this question and I started to experimenting with Selenium, but I feel like it has to many limitations. Could you recommend something more suitable?
A simple program that ...
- reputation score 99
Score of 1
0 answers
232 views
Convert a string to only have regular alphabet characters, from any language
I had an issue this morning where someone was blowing up our school search function (which uses a MySQL MATCH function) by typing 'π΅π²π΅π΅ππ¬π»πΈπ―π½' into the school search. This is within the ...
- reputation score 33147
Score of 0
1 answer
154 views
Regex Named Capture Group also Include Complete String
Is it possible to have a Regex include the whole string as a named capture group as well as individual named capture groups?
I am trying to parse IIS logs and can successfully extract the details I ...
- reputation score 180
