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Welcome to the Crystal Forum
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1
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2997
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December 4, 2018
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Book: Crystal Programming
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25
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11936
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December 28, 2025
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How/Why did you find Crystal?
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3
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47
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December 27, 2025
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Newline-delimited JSON
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14
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585
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December 27, 2025
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How to Extract the homepage Field from shard.yml
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8
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96
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December 27, 2025
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Crystal needs some public usages like this too
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0
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44
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December 26, 2025
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Very slow build speeds for hello world
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48
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1460
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December 25, 2025
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Ruby 4.0
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8
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270
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December 22, 2025
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New multicast and TCP health check tool
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0
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53
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December 22, 2025
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[RFC] Annotations metadata declaration/DSL
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13
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1502
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December 22, 2025
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Faster floating point parsing algorithm
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19
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891
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December 21, 2025
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How to get the width of the terminal?
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5
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452
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December 21, 2025
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Upcoming 1.19 release
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1
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216
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December 18, 2025
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Have you checked out the Crystal's CodeWiki?
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6
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157
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December 18, 2025
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Create parsor for simple if statements
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1
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154
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December 17, 2025
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Koans in Crystal
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2
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135
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December 16, 2025
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Training ChatGPT on Crystal's standard lib and syntax
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13
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857
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December 15, 2025
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Benchmarking: assign then `if var.nil?`, casting and `try` operator, when calling a method in a variable that can be `Nil`
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3
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98
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December 15, 2025
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Automatically deleting head branches
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0
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79
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December 12, 2025
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Airsailer - open source Cloud orchestrator in Crystal
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9
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436
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December 11, 2025
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Termisu v0.0.2 🍮
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0
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114
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December 11, 2025
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Eliminate environment modifications
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39
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643
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December 11, 2025
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Schematics - a declarative data validation library
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3
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160
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December 11, 2025
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Crycco: a literate programming tool
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13
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616
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December 10, 2025
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SSH server + Pastebin app + other things
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3
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180
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December 9, 2025
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Modifying a set (or hash) while iterating it
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3
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121
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December 8, 2025
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Wombat - A Syntax Highlighter that Uses Rust's bat from Crystal
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4
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407
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December 3, 2025
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Advent of Compiler Optimizations
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1
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181
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December 2, 2025
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Gatekeeper - Lightweight authorization middleware
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7
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275
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November 30, 2025
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Milka: a polyrepo managment tool
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7
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145
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November 29, 2025
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