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Why do we need virtual functions in C++?
...public Animal
{
public: std::string Says() { return "Woof"; }
};
void test()
{
Dog* d = new Dog();
Animal* a = d; // refer to Dog instance with Animal pointer
std::cout << d->Says(); // always Woof
std::cout << a->Says(); // Woof or ?, depends on vir...
How to get started on TDD with Ruby on Rails? [closed]
I am familiar with the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project.
...
Partial Commits with Subversion
...ng or modifying. Apply them to the original file using the patch command, test if the addition worked, then svn commit the addition.
Wash rinse repeat for the out.patch.modify patch.
If the changes are separate in the file as your initial question stated - added a new method, changed an existing ...
In STL maps, is it better to use map::insert than []?
...
Now run that test again with full optimizations enabled.
– antred
Jul 17 '15 at 15:44
2
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How to change the type of a field?
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Watch out, I tested this with Robomongo, and this resulted in type 1: double. Had to use new NumberInt()
– Daniel F
Nov 8 '14 at 19:50
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How to make an array of arrays in Java
...eight];
_buffer = new LinkedList<T>();
}
/**
* Tests the existence of the encapsulated object
* /!\ This DOES NOT ensure that the object will be available on next call !
* @param x
* @param y
* @return
* @throws IndexOutOfBoundsException
*/pu...
What's the difference between IEquatable and just overriding Object.Equals()?
I want my Food class to be able to test whenever it is equal to another instance of Food . I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable<Food> or just override Object.Equals() ? From MSDN:
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...ably won't show up on an x86, which just makes the problem more insidious; testing on x86 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardware; if you dereference an int* pointer that points to an odd address, it will be a little slower than if it were properly...
GitHub relative link in Markdown file
...
nope. See full example here github.com/rynop/testRel . I could do a relative link specifying the branch, but that defeats the purpose of what I'm trying to do in the first place. If i was linking from a .md in one subdir to another, i think it would handle relative lin...
PHP server on local machine?
I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that?
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