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What is the memory consumption of an object in Java?
...ider a class like this:
public class SingleByte
{
private byte b;
}
vs
public class OneHundredBytes
{
private byte b00, b01, ..., b99;
}
On a 32-bit JVM, I'd expect 100 instances of SingleByte to take 1200 bytes (8 bytes of overhead + 4 bytes for the field due to padding/alignment). I'...
Most efficient way to create a zero filled JavaScript array?
...undefined. Example: try new Array(5).forEach(val => console.log('hi')); vs new Array(5).fill(undefined).forEach(val => console.log('hi'));.
– ArneHugo
Jun 2 '16 at 11:03
...
Difference between framework and static library in xcode4, and how to call them
... the library is present on the target system. this again is this behaviour-vs.-functionality thing
– Martin Ullrich
Jun 5 '11 at 22:36
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Fastest way to flatten / un-flatten nested JSON objects
... that's a good point and brings up the difference between synthetic vs real world benchmarking. I'm happy with the performance of the current optimized JS, so no need to use C.
– Louis Ricci
Oct 7 '13 at 13:54
...
What is the most accurate way to retrieve a user's correct IP address in PHP?
...would take form of forwarded_for.
Also i didnt see anyone address isset() vs !empty() -- its possible to enter nothing for x_forwarded_for yet still trigger isset() truth resulting in blank var, a way to get around is to use && and combine both as conditions. Keep in mind you can spoof word...
How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
...in a GUI and you want to have optional scroll bars. You could have Window, VScrollWindow, HScrollWindow, and VHScrollWindow classes or you could make VScroll and HScroll decorators on Window.
– Eva
Mar 21 '13 at 4:48
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
...suppose it also lets you subtly call out when a type declaration is ending vs say a method body declaration.
– Eric Lippert
Jan 6 '10 at 0:21
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Do I really have a car in my garage? [duplicate]
...question would be for me: what is the difference between using abstraction vs. using interfaces - other than the fact that I can have a class-independant method that moves around moveable objects?
– T-Rex
Jul 22 '14 at 12:06
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What is the difference between “int” and “uint” / “long” and “ulong”?
...
I think it's also worth noting that specifically for int vs uint, the unsigned integer is not CLS-compliant, and it's recommended to use int as often as possible.
– db2
Apr 12 '19 at 15:31
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What are the differences between WCF and ASMX web services?
...
Unfortunately the link keithelder.net/2008/10/17/wcf-vs-asmx-webservices is broken.
– Robert
Mar 4 '16 at 9:42
2
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