Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language? [closed]

Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language? [closed]

c# java python ruby perl

ruby

Confused, are languages like python, ruby single threaded? unlike say java? (for web apps)

java python ruby multithreading

ruby

Identifying last loop when using for each

c# java ruby loops foreach

ruby

How to generate HMAC-SHA1 in C#?

c# java php ruby hmac

ruby

What is an index in Elasticsearch

java ruby elasticsearch full-text-search

ruby

Canonicalizing JSON files

java ruby json

ruby

How to get HTML5 data attribute using xpath?

java ruby xpath selenium-webdriver capybara

ruby

Dynamically instantiate a Ruby class similar to Java

java ruby

ruby

Library to read/write pbxproj/xcodeproj files? [closed]

java objective-c ruby xcode macos

ruby

Simple SSO - using custom authentication - CAS or some Oauth or openid server?

java ruby oauth single-sign-on cas

ruby

How to delete all relationships in neo4j graph?

java ruby-on-rails ruby neo4j neography

ruby

Is there an advantage to running JRuby if you don't know any Java?

java ruby-on-rails ruby jruby

ruby

Encoding Problems when running an app in docker (Python, Java, Ruby, ...) with Ubuntu Containers (ascii, utf-8)

java python ruby docker locale

ruby

Is string interning really useful?

java .net python ruby string-interning

ruby

Explicit typing in Groovy: sometimes or never?

java ruby groovy

ruby