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What are the mechanics of short string optimization in libc++?
... 24.
A major design goal was to minimize sizeof(string), while making the internal buffer as large as possible. The rationale is to speed move construction and move assignment. The larger the sizeof, the more words you have to move during a move construction or move assignment.
The long form nee...
Which @NotNull Java annotation should I use?
...inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions. Many of the tools seem incompatible with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be terrible to read. Any suggestions of which one is the 'best'? H...
Are memory leaks ever ok? [closed]
...ed and there were no decent alternatives, but I would log a bug with the maintainers.
– tloach
Nov 11 '08 at 20:08
7
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fastest MD5 Implementation in JavaScript
...t he learned while writing his implementation. It's a good read for anyone interested in performant javascript.
http://www.webreference.com/programming/javascript/jkm3/
His MD5 implementation can be found here
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Why are private fields private to the type, not the instance?
...sy to do. For example, consider this code:
public class Foo
{
private int bar;
public void Baz(Foo other)
{
other.bar = 2;
}
public void Boo()
{
Baz(this);
}
}
Can the compiler necessarily figure out that other is actually this? Not in all cases. One ...
Rich vs Anemic Domain Model [closed]
...e, **Util, **Manager, **Helper and so on. These classes implement the data interpretation logic and therefore take the data model as an argument. E.g.
public BigDecimal calculateTotal(Order order){
...
}
while the rich domain approach inverses this by placing the data interpretation logic into th...
What are the differences between Abstract Factory and Factory design patterns?
...I think a lot of people get these two terms confused, and start using them interchangeably. I remember that I had a hard time finding exactly what the difference was when I learnt them.
Because the factory method is just a method, it can be overridden in a subclass, hence the second half of your quo...
What's the difference between SoftReference and WeakReference in Java?
...nd "-server" JRE's are different: the -client JRE tries to keep your footprint small by preferring to clear SoftReferences rather than expand the heap, whereas the -server JRE tries to keep your performance high by preferring to expand the heap (if possible) rather than clear SoftReferences. One siz...
Relationship between SciPy and NumPy
...Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object.
8 Answers
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Difference between objectForKey and valueForKey?
..., I can do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNu...