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How does the “final” keyword in Java work? (I can still modify an object.)
...ed than checking whether a variable is final. Mutable objects can be stack-allocated as well. final fields may help the escape analysis, though, but that's a quite indirect route. Also note that effectively final variables have identical treatement as those marked final in the source code.
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How do I remove diacritics (accents) from a string in .NET?
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You should preallocate the StringBuilder buffer to the name.Length to minimize memory allocation overhead. That last Split/Join call to remove sequential duplicate _ is interesting. Perhaps we should just avoid adding them in the loop. Se...
Default implementation for Object.GetHashCode()
...mber defined in System.ValueType or System.Enum types [may] cause a boxing allocation [...]
An implementer of a hash function faces a dilemma: make a good distribution of the hash function or to make it fast. In some cases, it's possible to achieve them both, but it is hard to do this generically in...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...Storyboard instantiateInitialViewController];
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.rootViewController = self.initialViewController;
[self.window makeKeyAndVisible];
return YES;
}
@end
Having 2 targets works aswell but seems li...
Overloading member access operators ->, .*
...ays overloaded, or overloading rules don't really apply to it (13.5/5: The allocation and deallocation functions, operator new, operator new[], operator delete and operator delete[], are described completely in 3.7.4. The attributes and restrictions found in the rest of this subclause do not apply t...
Generate random numbers uniformly over an entire range
...a thread_local: the generator is quite plump (> 2 KB) and is better not allocated on the stack
seed mt19937 with more than one integer: the Mersenne Twister has a big state and can take benefit of more entropy during initialization
Some not-so-good choices
The C++11 library
While being the m...
Do I cast the result of malloc?
... someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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How do you set, clear, and toggle a single bit?
...fields is a bad idea. You have no control over the order in which bits are allocated (from the top or the bottom), which makes it impossible to serialize the value in a stable/portable way except bit-at-a-time. It's also impossible to mix DIY bit arithmetic with bitfields, for example making a mask ...
I need this baby in a month - send me nine women!
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The project lead/management must have:
Good prioritization and resource allocation abilities
A high level of respect from the existing team members
Excellent communication skills
The project must have:
A good, completed, and documented software design specification
Good documentation of things...
Why .NET String is immutable? [duplicate]
...ector.
The last lines are...
int length = str0.Length;
string dest = FastAllocateString(length + str1.Length);
FillStringChecked(dest, 0, str0);
FillStringChecked(dest, length, str1);
return dest;
As you can see the FastAllocateString returns an empty but allocated string and then it is modified...