dentaku
Victor
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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.
Victor
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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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Charts.css
That's not close to the same complexity, is it?
With the HTML + CSS solution, all my program has to produce is a HTML table. Very easy.
With SVG my program has to create not just a data table, but the custom SVG code to paint the actual charts. I'm actually doing that on pc-kombo, https://www.pc-kombo.com/us/benchmark/games/cpu/compare?ids%... shows it, the image is SVG. But it's created with https://github.com/DannyBen/victor/, so my ruby code has to describe all the details of that image, including manually saying how each bar chart should look. Even with the awesome victor library that wasn't all that easy.
Alternative is a JS library that produces the SVG code, but then it's exactly as complicated as with regular JS libraries, it just changes the output.
What are some alternatives?
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.
MiniMagick - mini replacement for RMagick
mathquill - Easily type math in your webapp
Phashion - Ruby wrapper around pHash, the perceptual hash library for detecting duplicate multimedia files
Luckysheet - Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
PSD.rb - Parse Photoshop files in Ruby with ease
Jace - Jace.NET is a calculation engine for the .NET platform.
ruby-vips - Ruby extension for the libvips image processing library.
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.
lowdefy - The config web stack for business apps - build internal tools, client portals, web apps, admin panels, dashboards, web sites, and CRUD apps with YAML or JSON.
homebrew-freecad - Homebrew recipes for FreeCAD
RMagick - Ruby bindings for ImageMagick