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How do malloc() and free() work?
...in rare cases). The reason is that you will get gaps in your heap and thus it can happen, that you just finish off your 2 or 4 GB of virtual memory with gaps. This should be avoided, since as soon as the virtual memory is finished, you will be in really big trouble. The other reason is, that the OS ...
What is the reason behind cbegin/cend?
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It's quite simple. Say I have a vector:
std::vector<int> vec;
I fill it with some data. Then I want to get some iterators to it. Maybe pass them around. Maybe to std::for_each:
std::for_each(vec.begin(), vec.end(), ...
What is opinionated software?
...g that certain software is "very opinionated" or that Microsoft tends to write "un-opinionated" frameworks. What does this actually mean?
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Java naming convention for static final variables [duplicate]
...more information regarding the naming convention for constants. But in reality, it's all a matter of preference.
The names of constants in interface types should be, and final
variables of class types may conventionally be, a sequence of one or
more words, acronyms, or abbreviations, all u...
Understanding reference counting with Cocoa and Objective-C
I'm just beginning to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not o...
Why should I use var instead of a type? [duplicate]
After I have installed ReSharper it demands(by warnings) that I use var whenever possible, for example
4 Answers
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What do two question marks together mean in C#?
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It's the null coalescing operator, and quite like the ternary (immediate-if) operator. See also ?? Operator - MSDN.
FormsAuth = formsAuth ?? new FormsAuthenticationWrapper();
expands to:
FormsAuth = formsAuth != null ? fo...
Swift and mutating struct
There is something that I don't entirely understand when it comes to mutating value types in Swift.
7 Answers
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Why do you need to invoke an anonymous function on the same line?
...ut closures and saw this everywhere, but there is no clear explanation how it works - everytime I was just told to use it...:
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Protect .NET code from reverse engineering?
Obfuscation is one way, but it can't protect from breaking the piracy protection security of the application. How do I make sure that the application is not tampered with, and how do I make sure that the registration mechanism can't be reverse engineered?
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