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How to implement Enums in Ruby?
...ncluding any gems.
This is very similar (and more with features) to Java, C++ enums.
Quoted from http://edgeapi.rubyonrails.org/classes/ActiveRecord/Enum.html :
class Conversation < ActiveRecord::Base
enum status: [ :active, :archived ]
end
# conversation.update! status: 0
conversation.acti...
How to use enums as flags in C++?
...y in C# via the [Flags] attribute, but what's the best way to do this in C++?
22 Answers
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What is stability in sorting algorithms and why is it important?
...rithm is a binary tree sort; the Wikipedia article has a pathetically easy C++ implementation based on the STL.
You can make an unstable algorithm into a stable one by adding the original record number as the last-place key for each record.
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Inline functions in C#?
...
By comparison, C++'s inline suggestions, even the compiler-specific ones, also don't actually force an inline: not all functions can be inlined (fundamentally things like recursive functions are hard, but there are other cases too). So yea...
Program only crashes as release build — how to debug?
...
In 100% of the cases I've seen or heard of, where a C or C++ program runs fine in the debugger but fails when run outside, the cause has been writing past the end of a function local array. (The debugger puts more on the stack, so you're less likely to overwrite something importan...
What is the purpose of the Visual Studio Hosting Process?
...ature on every new project. I've run into strange issues when working with C++/CLI WinForms Designer, that didn't occur with this feature disabled.
– surfen
Jul 13 '12 at 11:12
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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
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Not the answer you're looking for? Browse other questions tagged c++ antlr yacc bison or ask your own question.
How to create a private class method?
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Ruby seems to provide a poor solution. To explain, start with a simple
C++ example that shows access to private class methods:
#include <iostream>
class C
{
public:
void instance_method(void)
{
std::cout << "instance method\n";
class_meth...
Using a constant NSString as the key for NSUserDefaults
...e pointer is immutable so it can never change correct? Also, I recall from C++ that const is implicitly static (a compiler optimization) so no need to call it out. Is that true here as well?
– Ternary
Dec 21 '15 at 17:02
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What is the direction of stack growth in most modern systems?
...
In C++ (adaptable to C) stack.cc:
static int
find_stack_direction ()
{
static char *addr = 0;
auto char dummy;
if (addr == 0)
{
addr = &dummy;
return find_stack_direction ();
}
else
...