# Uncategorized **URL:** https://www.ruby-forum.com/c/uncategorized/1.md?page=4 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 5 --- ## [Data Science Course in Noida](https://www.ruby-forum.com/t/data-science-course-in-noida/260930)
**Author:** [@akshusingh](https://www.ruby-forum.com/u/akshusingh)\ **Replies:** 0\ **Last updated:** [February 5, 2021, 10:55am UTC](https://www.ruby-forum.com/t/data-science-course-in-noida/260930 "2021-02-05T10:55:13Z")
Data Science is a field that uses scientific approach, methods, and processes, algorithms to extract knowledge from many structured and unstructured data. It is expected that around 6 million data scientists will be requ… --- ## [Help understanding which code is better?](https://www.ruby-forum.com/t/help-understanding-which-code-is-better/260866)
**Author:** [@Laura.Keat](https://www.ruby-forum.com/u/Laura.Keat)\ **Replies:** 1\ **Last updated:** [January 28, 2021, 12:52am UTC](https://www.ruby-forum.com/t/help-understanding-which-code-is-better/260866 "2021-01-28T00:52:09Z")
A partner and I had to write a method for finding and returning the larger of two numbers. Below are our two variants. They both get the job done. Is there any benefit or drawback from the way one is written? Vers… --- ## [Cloud based appointment booking system](https://www.ruby-forum.com/t/cloud-based-appointment-booking-system/260841)
**Author:** [@reservopia](https://www.ruby-forum.com/u/reservopia)\ **Replies:** 0\ **Last updated:** [January 25, 2021, 4:49am UTC](https://www.ruby-forum.com/t/cloud-based-appointment-booking-system/260841 "2021-01-25T04:49:53Z")
Reservopia is an Online Appointment Scheduling Software that takes care of your appointment scheduling process end to end. Appointment tracking software helps Helps you effectively manage your employee work hours. Conta… --- ## [What are the different Tableau Products and what is the latest version of Tableau?](https://www.ruby-forum.com/t/what-are-the-different-tableau-products-and-what-is-the-latest-version-of-tableau/260823)
**Author:** [@richards12](https://www.ruby-forum.com/u/richards12)\ **Replies:** 0\ **Last updated:** [January 22, 2021, 4:55am UTC](https://www.ruby-forum.com/t/what-are-the-different-tableau-products-and-what-is-the-latest-version-of-tableau/260823 "2021-01-22T04:55:38Z")
Hi, what are the different tableau products and what is the latest version of tableau --- ## [NoMethodError: undefined method \`url\_prefix=' for #\](https://www.ruby-forum.com/t/nomethoderror-undefined-method-url-prefix-for-rspecapidocumentation-0x00007f9d24133d50/260814)
**Author:** [@ChandanaS](https://www.ruby-forum.com/u/ChandanaS)\ **Replies:** 0\ **Last updated:** [January 19, 2021, 9:16am UTC](https://www.ruby-forum.com/t/nomethoderror-undefined-method-url-prefix-for-rspecapidocumentation-0x00007f9d24133d50/260814 "2021-01-19T09:16:19Z")
Hi, NoMethodError: undefined method \`url\_prefix=’ for #RspecApiDocumentation::Configuration:0x00007f9d24133d50 Getting this error while running rspec, could anyone help me out to solve this, Thanks in advance --- ## [How to run Ruby API script in R](https://www.ruby-forum.com/t/how-to-run-ruby-api-script-in-r/260807)
**Author:** [@mataruby](https://www.ruby-forum.com/u/mataruby)\ **Replies:** 1\ **Last updated:** [January 16, 2021, 2:38am UTC](https://www.ruby-forum.com/t/how-to-run-ruby-api-script-in-r/260807 "2021-01-16T02:38:31Z")
Hi everyone. I’m completely new to Ruby, I typically use R for my projects. I am interested in testing Ruby’s google finance API (GitHub - dblock/google-finance-ruby-client: Google Finance web API ruby client with suppor… --- ## [GUI music player in ruby](https://www.ruby-forum.com/t/gui-music-player-in-ruby/259716)
**Author:** [@ibz95](https://www.ruby-forum.com/u/ibz95)\ **Replies:** 3\ **Last updated:** [January 12, 2021, 8:15am UTC](https://www.ruby-forum.com/t/gui-music-player-in-ruby/259716 "2021-01-12T08:15:40Z")
So I am trying to write a GUI Music Player program using Ruby. The program must read in (from a file) at least four albums and up to 15 tracks for each album. The information read from the file should include: Number o… --- ## [Sessions\[:history\] - a few issues](https://www.ruby-forum.com/t/sessions-history-a-few-issues/260767)
**Author:** [@merlin2049er](https://www.ruby-forum.com/u/merlin2049er)\ **Replies:** 1\ **Last updated:** [January 5, 2021, 7:26pm UTC](https://www.ruby-forum.com/t/sessions-history-a-few-issues/260767 "2021-01-05T19:26:19Z")
Hi, ok. I have a few problems with my URL history. They are in my array, but what I’ve done was extract the slug from the link, and was able to use that to look up my product image uri. It looks something like this…… --- ## [Omitting "return" from last line of a method def](https://www.ruby-forum.com/t/omitting-return-from-last-line-of-a-method-def/260743)
**Author:** [@stuey](https://www.ruby-forum.com/u/stuey)\ **Replies:** 2\ **Last updated:** [January 3, 2021, 10:29am UTC](https://www.ruby-forum.com/t/omitting-return-from-last-line-of-a-method-def/260743 "2021-01-03T10:29:37Z")
I find myself in position of an old copy of SAMS TY Ruby in 21 Days; written in regard to Ruby version 1.7 I have version 2.7.2p137 installed and I am getting by OK (in the first few chapters anyway). The book claims t… --- ## [Newbie question about local gems vs. system installed ruby](https://www.ruby-forum.com/t/newbie-question-about-local-gems-vs-system-installed-ruby/260729)
**Author:** [@benibilme](https://www.ruby-forum.com/u/benibilme)\ **Replies:** 1\ **Last updated:** [December 31, 2020, 4:43pm UTC](https://www.ruby-forum.com/t/newbie-question-about-local-gems-vs-system-installed-ruby/260729 "2020-12-31T16:43:49Z")
Hello, I receive following annoying warnings in my environment. I am using manjaro ruby 2.7.2p137 (2020-10-01 revision 5445e04352) \[x86\_64-linux\]. I deleted local .gem reporsitory and call gem update and recreate the .… --- ## [How do we use parameters in Tableau?](https://www.ruby-forum.com/t/how-do-we-use-parameters-in-tableau/260737)
**Author:** [@richards12](https://www.ruby-forum.com/u/richards12)\ **Replies:** 0\ **Last updated:** [December 31, 2020, 10:40am UTC](https://www.ruby-forum.com/t/how-do-we-use-parameters-in-tableau/260737 "2020-12-31T10:40:45Z")
Hi, i want to know how do we use parameters in tableau --- ## [GUI making of GNU radio program](https://www.ruby-forum.com/t/gui-making-of-gnu-radio-program/260702)
**Author:** [@aroon](https://www.ruby-forum.com/u/aroon)\ **Replies:** 0\ **Last updated:** [December 26, 2020, 1:23pm UTC](https://www.ruby-forum.com/t/gui-making-of-gnu-radio-program/260702 "2020-12-26T13:23:30Z")
I am using GNU radio on UBUNTU. I have made certain programs and I want to make its GUI such that once I click the button in GUI my code strat o execute. How can I do that kindly help Arooj --- ## [Is There a Difference Between Sets and Groups in Tableau?](https://www.ruby-forum.com/t/is-there-a-difference-between-sets-and-groups-in-tableau/260688)
**Author:** [@richards12](https://www.ruby-forum.com/u/richards12)\ **Replies:** 0\ **Last updated:** [December 24, 2020, 8:43am UTC](https://www.ruby-forum.com/t/is-there-a-difference-between-sets-and-groups-in-tableau/260688 "2020-12-24T08:43:29Z")
Hi, I want to know is there any difference between sets and groups in tableau. --- ## [Can't seem to get tk working (beginner's question)](https://www.ruby-forum.com/t/cant-seem-to-get-tk-working-beginners-question/259825)
**Author:** [@Mynaard](https://www.ruby-forum.com/u/Mynaard)\ **Replies:** 1\ **Last updated:** [December 20, 2020, 9:13pm UTC](https://www.ruby-forum.com/t/cant-seem-to-get-tk-working-beginners-question/259825 "2020-12-20T21:13:15Z")
Hi there! I posted this in the wrong forum by mistake… I’m using an Ubuntu-based OS. In this case Peppermint 9. I’ve been messing about with Ruby off and on for several months now. Largely by reading through a second … --- ## [Sending SMS messages through Proxy Server](https://www.ruby-forum.com/t/sending-sms-messages-through-proxy-server/259712)
**Author:** [@nikname](https://www.ruby-forum.com/u/nikname)\ **Replies:** 1\ **Last updated:** [December 20, 2020, 9:04pm UTC](https://www.ruby-forum.com/t/sending-sms-messages-through-proxy-server/259712 "2020-12-20T21:04:30Z")
Hello. Help me. I have proxy server 10.10.10.5 (Login, Password). Without a proxy server, the script works. I do not know how to integrate data transfer through a proxy server. Blockquote puts “Verification of send… --- ## [Can include method be used for multiple values in Ruby?](https://www.ruby-forum.com/t/can-include-method-be-used-for-multiple-values-in-ruby/259693)
**Author:** [@Danito](https://www.ruby-forum.com/u/Danito)\ **Replies:** 1\ **Last updated:** [December 20, 2020, 9:01pm UTC](https://www.ruby-forum.com/t/can-include-method-be-used-for-multiple-values-in-ruby/259693 "2020-12-20T21:01:07Z")
I have that snippet of Ruby code. $letters\_arr is an array of letters of a random word . The user will enter a letter for example “a” which will be assigned to user\_choice variable. Then the IF statement checks if t… --- ## [How to add values to a python array?](https://www.ruby-forum.com/t/how-to-add-values-to-a-python-array/260655)
**Author:** [@richards12](https://www.ruby-forum.com/u/richards12)\ **Replies:** 1\ **Last updated:** [December 20, 2020, 3:58pm UTC](https://www.ruby-forum.com/t/how-to-add-values-to-a-python-array/260655 "2020-12-20T15:58:25Z")
i want to know how to add values to a python array --- ## [What are the main features of Tableau?](https://www.ruby-forum.com/t/what-are-the-main-features-of-tableau/260613)
**Author:** [@richards12](https://www.ruby-forum.com/u/richards12)\ **Replies:** 0\ **Last updated:** [December 14, 2020, 8:41am UTC](https://www.ruby-forum.com/t/what-are-the-main-features-of-tableau/260613 "2020-12-14T08:41:09Z")
I wanted to know about the Tableau course. --- ## [Sort\_by \['-100', 'dog', '-1000','cat'\]?](https://www.ruby-forum.com/t/sort-by-100-dog-1000-cat/260562)
**Author:** [@brater](https://www.ruby-forum.com/u/brater)\ **Replies:** 1\ **Last updated:** [December 5, 2020, 10:05pm UTC](https://www.ruby-forum.com/t/sort-by-100-dog-1000-cat/260562 "2020-12-05T22:05:55Z")
trying to solve this puzzle, but I do not know how. given some array of strings with numbers and words , how to sort it, so I could put in a given order by digit and word length? Thanks. --- ## [Rails Delayed\_Jobs trying to ssh into a server error: Premission Denied](https://www.ruby-forum.com/t/rails-delayed-jobs-trying-to-ssh-into-a-server-error-premission-denied/260530)
**Author:** [@nmp153](https://www.ruby-forum.com/u/nmp153)\ **Replies:** 0\ **Last updated:** [November 29, 2020, 11:43pm UTC](https://www.ruby-forum.com/t/rails-delayed-jobs-trying-to-ssh-into-a-server-error-premission-denied/260530 "2020-11-29T23:43:20Z")
I have a method in my model that uses delayed\_jobs and it is supposed to ssh into a server and delete files but I keep getting Permission denied, please try again. in my log when I see delayed\_job trying to complete the … --- ## [Linux Status gem](https://www.ruby-forum.com/t/linux-status-gem/260505)
**Author:** [@SouravGoswami](https://www.ruby-forum.com/u/SouravGoswami)\ **Replies:** 0\ **Last updated:** [November 23, 2020, 8:57pm UTC](https://www.ruby-forum.com/t/linux-status-gem/260505 "2020-11-23T20:57:03Z")
I have been using a repetitive code to check for Linux’s CPU, Memory, Swap, Uptime, OS info, Kernel info, Local IP, etc. status. I have recently published a gem that can do just that: https://rubygems.org/gems/linux\_s… --- ## [Is it possible to create a ppt in rails 5?](https://www.ruby-forum.com/t/is-it-possible-to-create-a-ppt-in-rails-5/260493)
**Author:** [@geo1](https://www.ruby-forum.com/u/geo1)\ **Replies:** 0\ **Last updated:** [November 20, 2020, 5:35am UTC](https://www.ruby-forum.com/t/is-it-possible-to-create-a-ppt-in-rails-5/260493 "2020-11-20T05:35:34Z")
I searched about it online and I could find only one gem called powerpoint that can render a pdf in rails. Are there other alternatives available ? --- ## [Watir element intercepted:](https://www.ruby-forum.com/t/watir-element-intercepted/260484)
**Author:** [@ggenovez](https://www.ruby-forum.com/u/ggenovez)\ **Replies:** 0\ **Last updated:** [November 17, 2020, 2:29pm UTC](https://www.ruby-forum.com/t/watir-element-intercepted/260484 "2020-11-17T14:29:23Z")
Hi all, New guy here and could use some help I’m trying to click on a button that contains the words “Add To Cart” using ruby/watir. If I use cart = browser.link(text: 'Add To Cart') if cart.present? cart.click I… --- ## [Sending an output to a file / writing to a file. Super beginner](https://www.ruby-forum.com/t/sending-an-output-to-a-file-writing-to-a-file-super-beginner/260479)
**Author:** [@Jool](https://www.ruby-forum.com/u/Jool)\ **Replies:** 2\ **Last updated:** [November 17, 2020, 8:24am UTC](https://www.ruby-forum.com/t/sending-an-output-to-a-file-writing-to-a-file-super-beginner/260479 "2020-11-17T08:24:26Z")
Hello all, First question as I start to learn programming! I have created a script which outputs information on screen. I want to output this same information to a file; either a text file or csv file. I tried the fol… --- ## [Is there a way to open a TCP Socket with a try/catch structure in case of timeouts?](https://www.ruby-forum.com/t/is-there-a-way-to-open-a-tcp-socket-with-a-try-catch-structure-in-case-of-timeouts/260474)
**Author:** [@redapplesonly](https://www.ruby-forum.com/u/redapplesonly)\ **Replies:** 1\ **Last updated:** [November 12, 2020, 5:21am UTC](https://www.ruby-forum.com/t/is-there-a-way-to-open-a-tcp-socket-with-a-try-catch-structure-in-case-of-timeouts/260474 "2020-11-12T05:21:19Z")
Hi everyone, I’m a programmer who is also a beginner in Ruby. I’ve inherited a Ruby program from another colleague, and I need to figure out the syntax to safely modify the original code. The original code accepts a d… --- ## [Which One is better Python or PHP ? As per today's Trend!](https://www.ruby-forum.com/t/which-one-is-better-python-or-php-as-per-todays-trend/260002)
**Author:** [@aartijain](https://www.ruby-forum.com/u/aartijain)\ **Replies:** 1\ **Last updated:** [November 4, 2020, 5:19am UTC](https://www.ruby-forum.com/t/which-one-is-better-python-or-php-as-per-todays-trend/260002 "2020-11-04T05:19:31Z")
Most companies are clueless over the choice on which technology they should use in order to create the best application. They get doubts as to which technology would give them more advantages.Python Training is my choice… --- ## [Rubygems - Timeout](https://www.ruby-forum.com/t/rubygems-timeout/260394)
**Author:** [@ljesus](https://www.ruby-forum.com/u/ljesus)\ **Replies:** 0\ **Last updated:** [October 19, 2020, 4:12pm UTC](https://www.ruby-forum.com/t/rubygems-timeout/260394 "2020-10-19T16:12:42Z")
Since few weeks ago, I’m having problem with the Ruby/ZAT, I can’t develop anymore on account of this error. I tried many solutions, but anything helped me, I tried to uninstall and install everything again, but I have p… --- ## [ROR Dynamic Class](https://www.ruby-forum.com/t/ror-dynamic-class/260387)
**Author:** [@C3po](https://www.ruby-forum.com/u/C3po)\ **Replies:** 0\ **Last updated:** [October 18, 2020, 8:11pm UTC](https://www.ruby-forum.com/t/ror-dynamic-class/260387 "2020-10-18T20:11:00Z")
Hello, For scaling reason I had to slipt an ElastiSearch index in many indexes basicaly by year. So to request it in a simple manner I ceated a Repository class for each year and since I am writing in ruby, I decided to… --- ## [Idiomatic Ruby through Leetcode](https://www.ruby-forum.com/t/idiomatic-ruby-through-leetcode/260385)
**Author:** [@miviv](https://www.ruby-forum.com/u/miviv)\ **Replies:** 0\ **Last updated:** [October 18, 2020, 2:57pm UTC](https://www.ruby-forum.com/t/idiomatic-ruby-through-leetcode/260385 "2020-10-18T14:57:43Z")
https://medium.com/@michaelviveros/idiomatic-ruby-through-leetcode-5ff395a0ef15 Just wanted to share a blog I wrote that goes over using guards, unless and \<=\> to make your code more idiomatic. --- ## [New to this but great set theory support](https://www.ruby-forum.com/t/new-to-this-but-great-set-theory-support/260360)
**Author:** [@Simmer](https://www.ruby-forum.com/u/Simmer)\ **Replies:** 1\ **Last updated:** [October 14, 2020, 6:44am UTC](https://www.ruby-forum.com/t/new-to-this-but-great-set-theory-support/260360 "2020-10-14T06:44:49Z")
I’d like to know I have the right language before I start programming I have read the tutorials so I’m ready to start But is there a way to include V in a and a in V? Get back to me Seeya [Previous page](https://www.ruby-forum.com/c/uncategorized/1.md?page=3) [Next page](https://www.ruby-forum.com/c/uncategorized/1.md?page=5)