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Programming & Software Q&A | CollectiveSolver
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Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.
Contact: aviboots(AT)netvision.net.il
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Recent questions tagged ruby
39,726
questions
51,615
answers
573
users
Recent questions tagged ruby
2
answers
77
views
How to count backwards (Print the numbers N, N - 1, ..., 0 (included)) in Ruby
asked
Jul 20, 2025
by
avibootz
ruby
ruby-loop
1
answer
104
views
How to round a floating-point number to an integer in Ruby
asked
May 14, 2025
by
avibootz
ruby
ruby-round
1
answer
116
views
How to use gets.chomp() inside a while loop in Ruby
asked
Apr 26, 2025
by
avibootz
ruby
ruby-loop
1
answer
76
views
How to print array values and the indexes in Ruby
asked
Mar 22, 2025
by
avibootz
ruby
ruby-array
1
answer
136
views
How to check if a variable is not nil and not zero in Ruby
asked
Jun 6, 2024
by
avibootz
ruby
2
answers
152
views
How to create a range of numbers in Ruby
asked
Jan 13, 2024
by
avibootz
ruby
1
answer
132
views
How to remove duplicate characters from a string in Ruby
asked
Jun 11, 2023
by
avibootz
ruby
1
answer
155
views
How to swap cases in a string with Ruby
asked
Jun 11, 2023
by
avibootz
ruby
1
answer
161
views
How to convert the first digits in a string to a float with Ruby
asked
Jun 11, 2023
by
avibootz
ruby
1
answer
142
views
How to declare and initialize a set containing unique objects in Ruby
asked
Mar 11, 2023
by
avibootz
ruby
1
answer
163
views
How to remove multiple items from an array by values in Ruby
asked
Mar 1, 2023
by
avibootz
ruby
1
answer
141
views
How to remove an item from an array by index in Ruby
asked
Mar 1, 2023
by
avibootz
ruby
2
answers
153
views
How to create a two dimensional (2D) array in Ruby
asked
Feb 16, 2023
by
avibootz
ruby
2
answers
194
views
How to convert float to string with 2 decimal places in Ruby
asked
Feb 13, 2023
by
avibootz
ruby
2
answers
184
views
How to get character code (ASCII and Unicode) in Ruby
asked
Jan 22, 2023
by
avibootz
ruby
1
answer
113
views
How to create a function in Ruby
asked
Dec 20, 2022
by
avibootz
ruby
1
answer
142
views
How to merge dictionaries in Ruby
asked
Dec 15, 2022
by
avibootz
ruby
2
answers
154
views
How to create key value dictionary in Ruby
asked
Dec 11, 2022
by
avibootz
ruby
1
answer
131
views
How to access the address of a variable in Ruby
asked
Nov 4, 2022
by
avibootz
ruby
1
answer
147
views
How to add two stdin input numbers in Ruby
asked
Oct 19, 2022
by
avibootz
ruby
1
answer
133
views
How to use print from end to start in Ruby
asked
Oct 17, 2022
by
avibootz
ruby
1
answer
160
views
How to calculate the average of a double array of given length in Ruby
asked
Oct 17, 2022
by
avibootz
ruby
2
answers
172
views
How to calculate the average of an array of double values in Ruby
asked
Oct 17, 2022
by
avibootz
ruby
1
answer
153
views
How to get the factorial of a number in Ruby
asked
Jul 23, 2022
by
avibootz
ruby
1
answer
207
views
How to split an array and add the first part to end in Ruby
asked
Nov 30, 2021
by
avibootz
ruby
1
answer
223
views
How to reorder a list according to given indexes in Ruby
asked
Nov 29, 2021
by
avibootz
ruby
1
answer
189
views
How to move all zeroes to end of array in Ruby
asked
Nov 27, 2021
by
avibootz
ruby
1
answer
187
views
How to swap two elements of an array in Ruby
asked
Nov 21, 2021
by
avibootz
ruby
1
answer
179
views
How to segregate even and odd numbers of an array (even on left and odd on right) in Ruby
asked
Nov 21, 2021
by
avibootz
ruby
1
answer
192
views
How to print inversions pairs in array in Ruby
asked
Nov 10, 2021
by
avibootz
ruby
1
answer
191
views
How to shuffle an array in Ruby
asked
Oct 31, 2021
by
avibootz
ruby
1
answer
200
views
How to calculate the area of a trapezoid in Ruby
asked
Oct 28, 2021
by
avibootz
ruby
1
answer
204
views
How to convert digits of an integer into an array of base 16 digits and numbers in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
216
views
How to convert digits of an integer into an array of base 8 digits in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
164
views
How to convert digits of an integer into an array of base 2 digits in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
264
views
How to convert digits of an integer into an array of base 16 digits with least significant digit first in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
250
views
How to convert digits of an integer into an array of base 8 digits with least significant digit first in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
253
views
How to convert digits of an integer into an array of base 2 digits with least significant digit first in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
270
views
How to split digits of an integer into an array of digits with least significant digit first in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
233
views
How to convert UTF-8 code to char in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
192
views
How to convert ASCII code to char in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
2
answers
214
views
How to get the smallest number greater than or equal to int in Ruby
asked
Oct 18, 2021
by
avibootz
ruby
1
answer
185
views
How to sort string by words length in reverse order with Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
277
views
How to split an integer into two parts the last digit and the rest in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
2
answers
395
views
How to split digits of an integer into an array of digits in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
213
views
How to split digits of an integer into an array of strings in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
203
views
How to split digits of an integer into different variable in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
163
views
How to sum all the digits of an integer in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
184
views
How to extract hex number into an array of decimal number in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
1
answer
200
views
How to count the numbers in array by their first N digits in Ruby
asked
Oct 17, 2021
by
avibootz
ruby
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