crystal-lang

crystal-lang

How to you convert an Int32 into a string (base 16) with a leading 0x?

How to call a method from a class inside the same module

What's the proper way to get a local time when TZ=":/etc/localtime"?

Add the CRC32 checksum value of each character of a string, into an array

How to merge NamedTuples in in a macro in Crystal?

Is there a way to pipe IO?

Reopening class and adding instance variables

crystal class with macro not compiling

Recursive type not unifying with itself

Calling methods dynamically (Crystal-lang)

How to force return value to be same type as argument value in Crystal?

STDIN.ready? (crystal-lang)

type narrowing not work if type is specified?

collection dropdown default blank value

I can't build static binary of crystal program under alpine edge

How can I verify a pem_cert and signiture (RSA-SHA1)?

Correct way to catch SIGINT and cleanup?

Records all delete when I restart `amber watch`

When I defined a function I got: error unexpected token: (

how to use crystal to defined a ListNode class

how to add any hash to empty array of hashes?

Crystal lang takes option parameters from OptionParser when it shouldn't

undefined method 'to_slice' for IO::ARGF (compile-time type is IO+)

Crystal: how to increase the number of types an array can hold after instantiation

Crystal lang: call macro in macro?

how to iterate and statically type values using JSON::Serializable?

In crystal Why do I need to do matches.try &.[0]

Why is Crystal .should be producing a spurious error

Crystal Lang: Can't infer the type of instance variable '#hash_value' of Rule

Crystal module path require issue

Is it possible to get the IP address of an incoming websocket connection?

Crystal lang error: "library not found for -lssl "

How to upgrade amber framework?

Pass environment variables on compilation phase

Get the first x lines of a File

Return Granite validation errors as JSON

Amber framework : url_for in rails?

Amber Crecto: preload association with LEFT JOIN

Crystal lang : How to indicate require path for crystal compiler

Create Granite model from JSON params

Program received and didn't handle signal IOT (6), when run Crystal program

Crystal lang : concat path in a cross-platform way?

Examine method metadata (i.e. arity, arg types, etc)

How to resolve Generics in macros?

Crystal lang : method_missing for class object?

Is there a #between? for numbers in Crystal?

Deep merging hash (adding values)

crystal lang : in case of a Class as a field

Forcing use of UInt32 in simple Fibonacci formula gives compiler error

How do I spec instance methods on an abstract class in Crystal?

Instance variable assigned in initializer wrongly inferred as nilable

How to read a YAML file into a Hash

How to use content_for in kemal slang

Can I name a type in Crystal for convenience?

Crystal get from n line to n line from a file

Is there a way to group_by with_index in Crystal?

How do I install an older version of Crystal Lang?

Hash.includes? gives weird result in crystal

Crystal lang : How to write binary Int to IO

Crystal-Lang - Cross-Macro Macro-variables

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