truthiness
In environments that take Boolean arguments, is it a good idea to wrap all functions instead of allowing them to be implicitly coerced?
Take the String#=~ function for instance. It will return the index of the first match if the match is found, which, as a Fixnum will always act as true in boolean environments. If the match isn\'t fou[详细]
2023-04-04 11:10 分类:问答How to inherit from NilClass or how to simulate similar function
I just want to use Null Object Design Pattern, but I found I can inherit from NilClass. I can write a method \"nil?\" and return false but what if user write code below[详细]
2023-02-15 13:29 分类:问答Determining "Truthiness" of an expression? [duplicate]
This question already has answers here: Closed 12 years ago. Possible Duplicates: Check if Ruby object is a Boolean[详细]
2023-02-09 10:11 分类:问答How can I avoid truthiness in Ruby?
Is there any standard way to avoid truthiness in Ruby, or would I need to roll my own solution, such as[详细]
2023-01-15 09:16 分类:问答WinForms - DataGridView Inherits style from GroupBox
I have a weird problem, and I don\'t know if this is the default behaviour of .Net DataGridView inside a GroupBox/TabControl.[详细]
2022-12-22 11:23 分类:问答