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Large Object Heap Fragmentation
...verify this by creating a byte array of 85000-12 (size of length, MT, sync block) and calling GC.GetGeneration on the instance. This will return Gen2 - the API doesn't distinguish between Gen2 and LOH. Make the array one byte smaller and the API will return Gen0.
– Brian Rasmus...
no new variables on left side of :=
...are variables provided they were originally declared earlier in
the same block with the same type, and at least one of the non-blank
variables is new. As a consequence, redeclaration can only appear in a
multi-variable short declaration. Redeclaration does not introduce a
new variable; it ju...
Questions every good Java/Java EE Developer should be able to answer? [closed]
...and another in java.sql?
What happens if an exception is thrown in finally block? Is the remaining finally executed or not?
There is a garbage collector alright, but then is memory leak totally absent in a Java applications? If not, how so?
For J2EE:
Is it good to have instance/static variables ...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...tonymous: good point. I wonder if would also help to wrap the 'defaulting' block with a new_record? condition? (link)
– twelve17
Apr 30 '13 at 15:38
...
Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
... fail, you should use as instead of a normal cast wrapped with a try-catch block. Moreover, use of as is recommended over a type check followed by a cast. Instead of:
if (x is SomeType)
((SomeType)x).SomeMethod();
which generates an isinst instruction for the is keyword, and a castclass instru...
How do I loop through or enumerate a JavaScript object?
...that JavaScript only has function scope. So what I actually meant was "if block".
– Andreas Grech
Nov 11 '11 at 11:08
1
...
Is there a way to change the spacing between legend items in ggplot2?
...g5,g6,nrow=3) #see picture below, left
Notice that white squares begin blocking legend title (and eventually the graph itself if we kept increasing the value).
#This shows you why:
gt <- gp2 + theme(legend.key = element_rect(size = 10,color = 'yellow' ))
I haven't quite found a wor...
In laymans terms, what does 'static' mean in Java? [duplicate]
...unterTwo++; //Ok
}
}
Lastly, there are static initializers which are blocks of code that are run when the class is first loaded (which is usually just before a class is instantiated for the first time in an application) and (like static methods) cannot access non-static fields or methods.
pub...
What are the correct version numbers for C#?
... Major new features: generics, anonymous methods, nullable types, iterator blocks
C# 3.0 released with .NET 3.5 and VS2008 (November 2007). Major new features: lambda expressions, extension methods, expression trees, anonymous types, implicit typing (var), query expressions
C# 4.0 released with .NET...
Loading/Downloading image from URL on Swift
...ur application.
An easy way to make the same code run asynchronously, not blocking the UI, is by using GCD:
let url = URL(string: image.url)
DispatchQueue.global().async {
let data = try? Data(contentsOf: url!) //make sure your image in this url does exist, otherwise unwrap in a if let check ...