The Crystal Programming Language Forum

Help & Support


Topic Replies Activity
About the Help & Support category 1 December 6, 2018
Deserialize (from_yaml) based on a property's value 5 October 14, 2019
Using parametrized queries with a database 4 October 20, 2019
Cannot parse DWARF sections properly 4 October 20, 2019
HTTP::WebSocket. Handling Closed stream (IO::Error) 3 October 18, 2019
connection to postgres 2 October 18, 2019
How to transcend the power of enums to be used with Arrays? 4 October 18, 2019
Recursive delay fiber vs calling a method based on a counter 12 October 18, 2019
Weird issues with websocket binary streams 1 October 18, 2019
Macros question 4 October 17, 2019
How to add a field with custom method using JSON::Serializable 1 October 17, 2019
Am I getting the delta time correctly? 6 October 15, 2019
What is the use case for delegate? 44 October 13, 2019
Does omitting types in method parameters affect compiler speed? 7 October 12, 2019
How to append to Array that is the value of a Hash key? 8 October 11, 2019
Collections, intermediate objects, and GC 19 October 11, 2019
Accessing a class property is significantly slower than passing it 8 October 10, 2019
Calling macro incorrectly 6 October 9, 2019
Can .select be used with classes? 12 October 8, 2019
Assigning class references to ivars 2 October 6, 2019
Difference between array elements 18 October 5, 2019
MySQL Connection Collation other than utf-8 4 October 3, 2019
Hash with Block/Proc 3 October 3, 2019
File offsets above Int32 6 October 2, 2019
Distinction between channels and fibers 4 October 2, 2019
`crystal spec` fails with "cannot allocate memory" 3 October 1, 2019
Accessing constants in a module. Unexpected behavior 5 October 1, 2019
Can't infer the type of instance variable in class 9 September 30, 2019
Use a variable as Type in assignment 3 September 29, 2019
`var.should_not be_nil` does not eliminate var of Nil from subsequent type inference 6 September 27, 2019