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Why are mutable structs “evil”?
...ulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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impr...
Optimizing away a “while(1);” in C++0x
...hm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to inf...
What does O(log n) mean exactly?
...ar time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials.
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Objective-C: Where to remove observer for NSNotification?
I have an objective C class. In it, I created a init method and set up a NSNotification in it
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Good Linux (Ubuntu) SVN client [closed]
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Disclaimer: A long long time ago I was one of the developers for RabbitVCS (previously known as NautilusSvn).
If you use Nautilus then you might be interested in RabbitVCS (mentioned earlier by Trevor Bramble). It's an unadulterated clone of TortoiseSVN for Nautilus written in Python. While t...
How to use a dot “.” to access members of dictionary?
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You can do it using this class I just made. With this class you can use the Map object like another dictionary(including json serialization) or with the dot notation. I hope to help you:
class Map(dict):
"""
Example:
m = Ma...
Why is it impossible to override a getter-only property and add a setter? [closed]
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Because the writer of Baseclass has explicitly declared that Bar has to be a read-only property. It doesn't make sense for derivations to break this contract and make it read-write.
I'm with Microsoft on this one.
Let's say I'm a new prog...
What is the worst gotcha in C# or .NET? [closed]
I was recently working with a DateTime object, and wrote something like this:
61 Answers
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Should I use char** argv or char* argv[]?
..., what you declare in a parameter list is treated special. There are such situations where things don't make sense as a function parameter in C. These are
Functions as parameters
Arrays as parameters
Arrays as parameters
The second maybe is not immediately clear. But it becomes clear when you ...
Why use a public method in an internal class?
...r the great question!
There is considerable debate on this question even within the compiler team itself.
First off, it's wise to understand the rules. A public member of a class or struct is a member that is accessible to anything that can access the containing type. So a public member of an inte...