192 questions
1
vote
1
answer
118
views
When using a Hash as a ERB templates, ruby complains about "encoding"
Simply to that
require 'erb'
a = "això és una merda <%=rand(1..20)%>"
c = {"id" => "això és una merda <%=rand(1..10)%>"}
If you run ERB.new(a).result, ...
-1
votes
1
answer
81
views
How can I convert an array to a hash that reflects the number of times each unique element in the array appears in the array?
Given an array I would like to create a hash whose keys are the unique elements of the array and whose values are the numbers of times the corresponding key appears in the array.
For example, if the ...
0
votes
1
answer
72
views
Add hash element to array in ruby script
I have ruby code which generate JSON of k8s images
old_versions_json = "[]"
versions_list = JSON.parse(old_versions_json)
versions_list.push("#{namespace}")
c = versions_list.find {...
-1
votes
4
answers
67
views
Accessing Nested Hash Elements in Ruby
I have an ruby array that looks like this.
arr = [
{ "dag"=>{
"tasks"=>[
{ "arguments"=>{
"parameters"=>[
{...
0
votes
0
answers
36
views
Deep search for a value in a hash [duplicate]
I would like to analyze several hashes to extract certain specific information.
These hashes have a global tree structure, however each of the branches of this tree structure is not always present in ...
1
vote
2
answers
640
views
Matching of randomly ordered array when test nested hash with RSpec
In my RSpec tests I often have the challenge to compare deep nested hashes like this
{ foo: ["test", { bar: [1,2,3] }] }
The values [1,2,3] are read from a DB where the order is not ...
0
votes
3
answers
71
views
Set two keys for one value in Hash in Rails
Let's say I have a hash:
{
first: :value1,
second: :value1,
third: :value2
}
During .map I need to eliminate duplicates so it should be either first or second only. Is it possible to have some ...
2
votes
1
answer
131
views
Ruby Flattening JSON Objects or Hash in
// Flattening JSON Objects
// (want to merge all keys as a string from nested hash and want out put in array list)
input1 = {a: {b: {c: {} }, d:[] }, e: "e", f: nil, g: -2}
input2 = {a: {b: {...
0
votes
2
answers
160
views
Fetching all keys and values from a hash at once in Ruby
In **Ruby, I want to fetch all keys and values at once without needing to iterate through the hash.
The keys are variables and the values of data type boolean.
In the new Example, the only parameters, ...
1
vote
3
answers
271
views
How to convert array to hash in Ruby using indices?
I want to convert the array of this:
["Cyan", "Magenta", "Yellow", "Black"]
to hash like this:
{1 => "Cyan", 2 => "Magenta", 3 => &...
0
votes
1
answer
169
views
How are equal hashes from multiple gitlab.rb files merged?
In a GitLab configuration file (gitlab.rc) an additional config file can be referenced:
from_file "/home/admin/external_gitlab.rb"
The documentation states the following:
Any configuration ...
0
votes
1
answer
151
views
Js regex allow optional line break and space indentation
Some relative posts:
Find whitespace in end of string using wildcards or regex
Match linebreaks - \n or \r\n?
let s = `
%nav.cf
%ul.cf
%li
%a{
:href => "#"
} ...
0
votes
1
answer
53
views
How do I select a specific property in nested array json rails 5
I need help with this. I would like to access transactionCustomFields and I would like to get the token from the response.
{
"event":"TRANSACTION OUTCOME",
"timestamp&...
7
votes
5
answers
874
views
Generate a hash of all letters and digits
Using ruby, how do I make a hash of each letter in the alphabet (keys) and 1-26 (values) ?
I need to create a hash with "a" to "z" in keys and 1 to 26 in values but I do not want ...
0
votes
2
answers
479
views
How to properly escape Ruby hash to JSON for javascript JSON.parse?
I'm trying to embed a ruby hash into a json string that can be parsed by javascript JSON.parse.
I'm having escaping issues.
Ruby:
props = {sring: 'He said "hey"'}
HAML
:javascript
const ...