dentaku
Jace
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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.
Jace
- How to extract mathematical operators and digits from a string?
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ASCII Graph Generator - Blazor WebAssembly Demo
Demo use Jace.NET for parse string functions.
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How to parse a string to source code inline
Off the top of my head, NCalc, Jace, and Flee. Probably others, but these are the ones I know of.
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I'm a bit new to C# and am working on a script that will test you on math. It tests you on all 4 main math elements so I have a lot of duplicate code. I decided to make a function with a string parameter but I'm wondering if I can use * or + as the string to multiply or add equations. Can I do this?
Jace is very good for this, and is free. https://github.com/pieterderycke/Jace
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.
ncalc - Mathematical Expressions Evaluator for .NET
mathquill - Easily type math in your webapp
AngouriMath - New open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.
Luckysheet - Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
Flee - Fast Lightweight Expression Evaluator
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.
Mond - A scripting language for .NET Core
homebrew-freecad - Homebrew recipes for FreeCAD
Calculator - Calculator.NET - Calculator that evaluates math expressions
gval - Expression evaluation in golang
IntervalUtility - .Net C # utility for working with intervals, such as time periods. The utility allows you to find intersections of periods, exclude periods, etc.