The Crystal Programming Language Forum

Help & Support


Topic Replies Activity
Serve static files over HTTP (kemal) 5 July 31, 2019
Release compilation produces 'Invalid memory access' error 6 July 30, 2019
How to create a mapping of basic Types (Int32, String, Int8, etc) to their conversion methods? 4 July 29, 2019
How to append a key to a NamedTuple, dependent on an if condition? 6 July 27, 2019
Abstract def inside module not being enforced 3 July 26, 2019
Fiber.wakeup advice 5 July 26, 2019
Convert epoch to date/time within JSON.mapping 6 July 26, 2019
How to make crystal app scriptable? 6 July 26, 2019
Strange phenomenon of calling a macro with named parameters (its parameter value is constant) 7 July 25, 2019
LLVM from Crystal 2 July 23, 2019
Stricter inferrance option? 9 July 22, 2019
Is there a better way to use macro custom method parameters? 2 July 21, 2019
Immutable references to mutable reference types 16 July 20, 2019
Using Random::ISAAC to generate random ids 3 July 19, 2019
Epoll failed 2 July 19, 2019
Using Generic with inner constants 3 July 14, 2019
Using Array.new inside itself creates internal references? 3 July 12, 2019
From ruby to crystal, any cons? 16 July 11, 2019
Using Cmake for Crystal 3 July 11, 2019
Library not found for -lssl 3 July 11, 2019
Inserting data into Postgres based on Class instance 8 July 11, 2019
Return types of implemented abstract methods are not enforced by compiler, why? 7 July 9, 2019
Pretty printing a Matrix 1 July 9, 2019
GC Warning: Repeated allocation of very large block 10 July 9, 2019
How to implement PostgreSQL's WHERE IN clause? 3 July 8, 2019
Define type in a variable 5 July 7, 2019
Overcoming the absence of global variables 14 July 2, 2019
Macro type help 26 July 2, 2019
Using a global array instead of a local one, any performance difference? 4 July 1, 2019
Issue with compiling and compiler recursion 17 June 29, 2019