timecop
dentaku
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timecop
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About time: how to unit test code that depends on time
The Ruby equivalent is Timecop
https://github.com/travisjeffery/timecop
Dynamic languages have the advantage to be able to rewrite the standard library classes at runtime.
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What questions do you consider important for a Ruby on Rails technical interview?
vs https://github.com/travisjeffery/timecop yes it's true and i am happy to show everybody that they don't need timecop in rails test suite anymore.
- What are your top useful gems?
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Travel in time in development/staing/... in your Rails app
I believe you already familiar with the gem https://github.com/travisjeffery/timecop which is very useful for testing.
dentaku
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What questions do you consider important for a Ruby on Rails technical interview?
i'm super confused by "which gems you can't live without". is this my personal debugging collection of pry-rails, bullet and other things? i mean, whatever is required and does the job i guess. i absolutely love Dentaku gem and build awesome stuff with it in 2 different companies where it absolutely contributed to their product in huge ways (https://github.com/rubysolo/dentaku) . i also love Victor (https://github.com/DannyBen/victor) where i draw epic custom charts which are used in reports that been generated for billion dollar real estate funds.
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Namespaced errors for Ruby
A naive implementation - there's just one custom error and most of the API relies on built-in errors like RuntimeError and ArgumentError. Needless to say, this is a poor showing, problems will be hard to debug.
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How to convert a string to integer?
You can try this gem : https://github.com/rubysolo/dentaku
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Keisan - Expression evaluation for user submitted formulas
I haven't looked at Keisan, but I'd also recommend Dentaku for the same purpose.
What are some alternatives?
Parallel Tests - Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
hyperformula - HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting. Built in TypeScript, supported by the Handsontable Team.
vcr - Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
mathquill - Easily type math in your webapp
R Spec - A minimalist RSpec clone with all the essentials. [Moved to: https://github.com/cyril/r_spec-clone.rb]
Luckysheet - Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
Knapsack - Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
Jace - Jace.NET is a calculation engine for the .NET platform.
mutant - Automated code reviews via mutation testing - semantic code coverage.
ReoGrid - Fast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.
Spring - Rails application preloader
homebrew-freecad - Homebrew recipes for FreeCAD