dentaku
gval
dentaku | gval | |
---|---|---|
4 | 2 | |
852 | 696 | |
- | 0.4% | |
5.5 | 0.6 | |
20 days ago | 4 months ago | |
Ruby | Go | |
MIT License | BSD 3-clause "New" or "Revised" License |
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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.
gval
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Interpreters built in Go
For practical start, see this: https://www.youtube.com/watch?v=JiViND-bpmw It explain one particular type of parser type that is quite easy to grasp and fun to write. Also look on some libraries that deliver "expression executors" - these are in fact small interpreted languages and can give you plenty of examples. Classic one (though currently unmaintaines I think) is: https://github.com/PaesslerAG/gval but there are plenty more, just google for them. On my last words, this is very enjoyable part of programming but it requires much learning so be patient and have fun!
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My first open-source project looking for feedback
There is a nice lib that let you write much more compact expressions https://github.com/PaesslerAG/gval I'm using this lib for evaluating expressions in a small BPMN engine. At least your solution is missing a context, functions and data to work on. But trying stuff out is propably the best way to learm Go!
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.
expr - Expression language and expression evaluation for Go [Moved to: https://github.com/expr-lang/expr]
mathquill - Easily type math in your webapp
govaluate - Arbitrary expression evaluation for golang
Luckysheet - Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
goja - ECMAScript/JavaScript engine in pure Go
Jace - Jace.NET is a calculation engine for the .NET platform.
cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing (Go)
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.
agora
homebrew-freecad - Homebrew recipes for FreeCAD
Gentee script programming language - Gentee - script programming language for automation. It uses VM and compiler written in Go (Golang).