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Are there strongly-typed collections in Objective-C?
...own classes:
@interface GenericsTest<__covariant T> : NSObject
-(void)genericMethod:(T)object;
@end
@implementation GenericsTest
-(void)genericMethod:(id)object {}
@end
Objective-C will behave like it did before with compiler warnings.
GenericsTest<NSString*>* test = [GenericsTe...
Log4Net, how to add a custom field to my logging
...override the other.
Log4Net.ThreadContext :- This context scope limited to calling thread. Here two threads can set same property to different values without overriding to each other.
Log4Net.ThreadLogicalContext :- This context behaves similarly to the ThreadContext. if you're working with a custom...
Javascript : natural sort of alphanumerical strings
...s, it is better to create an Intl.Collator object and use the function provided by its compare property. Docs link
var collator = new Intl.Collator(undefined, {numeric: true, sensitivity: 'base'});
var myArray = ['1_Document', '11_Document', '2_Document'];
console.log(myArray.sort(collator.c...
Gridview height gets cut
I'm trying to display 8 items inside a gridview. Sadly, the gridview height is always too little, so that it only shows the first row, and a little part of the second.
...
What is aria-label and how should I use it?
...element:
<label for="fmUserName">Your name</label>
<input id="fmUserName">
The <label> explicitly tells the user to type their name into the input box where id="fmUserName".
aria-label does much the same thing, but it's for those cases where it isn't practical or desirab...
Flexbox and Internet Explorer 11 (display:flex in ?)
... {
#flexible-content{
flex: 1;
}
}
Since flexbox is a W3C Candidate and not official, browsers tend to give different results, but I guess that will change in the immediate future.
If someone has a better answer I would like to know!
...
Drawing an image from a data URL to a canvas
... Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at wh...
What does (angle brackets) mean in Java?
...
is called a generic type. You can instantiate an object Pool like this:
PoolFactory<Integer> pool = new Pool<Integer>();
The generic parameter can only be a reference type. So you can't use primitive types like in...
How is “int* ptr = int()” value initialization not illegal?
...her value of object pointer or function pointer type. Such a conversion is called a null pointer conversion. [...]
int() is such an integral constant expression prvalue of integer type that evaluates to zero (that's a mouthful!), and thus can be used to initialize a pointer type. As you can see, 0...
What are the differences between concepts and template constraints?
...
To quickly summarise their meanings:
Constraint - A predicate over statically evaluable properties of a type. Purely syntactic requirements. Not a domain abstraction.
Axioms - Semantic requirements of types that are assumed to be true. Not statically checked.
Concepts - General, abstract requirem...