user513951

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user513951 has asked 17 questions and find answers to 69 problems.

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user513951 questions

What is the pre-Ruby2.3 equivalent to the safe navigation operator (&. or "ampersand-dot")?
Selendroid cannot recognize Android 7 device
Why did I get "main.using is permitted only at toplevel" when I used a Refinement in IRB?
Why is Time.utc slower in a forked process in Ruby on OS X (and not in Python)?
Positive lookbehind vs match reset (\K) regex feature
Double-splat operator destructively modifies hash – is this a Ruby bug?
How to cancel evaluating a required Ruby file? (a.k.a. top-level return)
Unexpected value of __callee__ when including a module – is this a Ruby bug?
How do I use Array#dig and Hash#dig introduced in Ruby 2.3?

user513951 answers

How is it that Ruby methods requiring blocks can just use Procs instead?
Ruby pack and unpack hex value does not return the same value?
Python Assignment statement
How do I hide instance variables from the Ruby layer in my C-extension?
valid_json? check in ruby is not working
What is the difference between `PG.connect` and `PG::Connection.open` in the Ruby 'pg' gem?
How to access an element deep in an array of arrays without getting 'undefined method' error [duplicate]
Check if String is HTML or not in ruby
Scope of class variable
How to cancel evaluating a required Ruby file? (a.k.a. top-level return)