I\'ve seen a few places where开发者_如何学运维 *_without_* methods are being referenced in gems, and I don\'t see where they\'re being defined.Here are two examples from the validationgroup and delaye
For (auto-)educational purposes, I\'m trying to mimic the super behavior to learn how it works. I could mimic super for instance methods, but I couldn\'t do it for class methods.
I send an object instants name apple a(\"Apple\") to an eat function on a tag_dispatch namespaces. Why an eat function cannot accepted by instants objects.
When tryin to compile this (CRTP-like) code with GCC 4.6.0: template<template&开发者_高级运维lt;class> class T> struct A;
The goal is to reduce the following code to as few lines (and as few characters) of code as possible. It doesn\'t need to be \'readable\' or even \'pythonic\', just sh开发者_JAVA技巧ort and sweet. thi
I would like to add some methods to some AR Models of my App; but I think they should only be available und开发者_StackOverflower some circumstances; this requires some meta-programming.
I\'m reading some data, which I want to create classes out of - this is done at load-time. The classes are grouped into a Special class, which can only be instantiated using run-time information. The
Using SFINAE, i can detect wether a given class has a certain member function. But what if i want to test for inherited member functions?
Given that the .NET metadata table format contains actual RVAs that show开发者_JAVA百科 where an assembly might be located in memory, would it be possible to use managed pointers on the CLR to access
I\'m looking for a language sort of like PHP, but more brief -- I\'m tempted to call it a \"templating engine\" but I\'m pretty sure that\'s the wrong term. What is the right term? A text preprocessor
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