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How will I know when to create an interface?
...
c.Process();
d.Process();
why not have them implement IProcessable, and then do
List<IProcessable> list;
foreach(IProcessable p in list)
p.Process();
this will scale much better when you add, say, 50 types of classes that all do the same thing.
Another concrete problem:
Have you...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
...ique here is just want the doctor ordered! If have the rect for the image, then CGContextTranslateCTM(context, 0, image.size.height + image.origin.y), then set the rect.origin.y to 0 before CGContextDrawImage(). Thanks!
– David H
Feb 19 '12 at 22:12
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How enumerate all classes with custom class attribute?
...pes on each Assembly to get the types that are contained in the assembly.
Then, you would call the GetCustomAttributes extension method on each Type instance, passing the type of the attribute you wish to find.
You can use LINQ to simplify this for you:
var typesWithMyAttribute =
from a in Ap...
Sending a message to nil in Objective-C
...op will not run. However, if we set the loop to run a set number of times, then we're first sending a message to anArray at [anArray objectAtIndex:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time through the l...
Why do we have to normalize the input for an artificial neural network?
...put variables are combined linearly, as in an MLP [multilayer perceptron], then it is
rarely strictly necessary to standardize the inputs, at least in theory. The
reason is that any rescaling of an input vector can be effectively undone by
changing the corresponding weights and biases, leaving...
How to prevent a background process from being stopped after closing SSH client in Linux
... whether you need to reconnect to the backgrounded app or not. If you do, then, yeah, screen is the only way to fly. If it's fire-and-forget, though, then nohup fits the bill just as nicely, if not better.
– Dave Sherohman
Nov 13 '08 at 0:36
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Will code in a Finally statement fire if I return a value in a Try block?
... methods result, finally writes to the console - before the method exits. Then the WriteLine in the Main method spits out the text from the return call.
– NotMe
Sep 4 '13 at 1:24
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jQuery .live() vs .on() method for adding a click event after loading dynamic html
...ant the click handler to work for an element that gets loaded dynamically, then you set the event handler on a parent object (that does not get loaded dynamically) and give it a selector that matches your dynamic object like this:
$('#parent').on("click", "#child", function() {});
The event handl...
How does bash tab completion work?
...ng, and calls back to bash when tab is pressed, to enable completion. Bash then gives (see next point) a list of possible completions, and readline inserts as much characters as are identified unambiguously by the characters already typed in. (You can configure the readline library quite much, see t...
what's the meaning of '=?' in angularJS directive isolate scope declaration?
...efined via the value
of the attr attribute. If no attr name is specified then the
attribute name is assumed to be the same as the local name. Given
<widget my-attr="parentModel"> and widget definition of scope: {
localModel:'=myAttr' }, then widget scope property localModel will
refl...