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Algorithm to detect intersection of two rectangles?
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In Cocoa you could easily detect whether the selectedArea rect intersects your rotated NSView's frame rect.
You don't even need to calculate polygons, normals an such. Just add these methods to your NSView subclass.
For instance, the user selects an area on the NSView's...
PyPy — How can it possibly beat CPython?
...e of them for example took the source, did some kind of analysis on it and converted it directly into tight target specific assembly code after running for a while, I imagine it would be quite faster than CPython.
Update: Recently, on a carefully crafted example, PyPy outperformed a similar C prog...
How to check command line parameter in “.bat” file?
...n, short answer: they are "magical" - sometimes double (double) quotes get converted to a single (double) quote. And they need to match, for a start.
Consider this little script:
@rem argq.bat
@echo off
:loop
if "%1"=="" goto :done
echo %1
shift
goto :loop
:done
echo Done.
Let's test it:
C:\...
Remove the bottom divider of an android ListView
... far I think doing this all in code was much faster than if I had of tried converting it all into XML based layout (as I defined all the iOS UI in code in the first place). I suppose one day I'll have to get my head around all this XML stuff, but not today :)
– Herr Grumps
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How do I sort an observable collection?
... of the sorted partition from the unsorted. Worst case O(n). Essentially a selection sort (See below for output).
public static void Sort<T>(this ObservableCollection<T> collection)
where T : IComparable<T>, IEquatable<T>
{
List<T> sorted = collectio...
VS2012 return to a normal TFS checkin window?
...n the Pending Changes filter is applied, all or some of the files could be selected and right clicked and then there is an option to do the check in. That command takes directly to the Team Explorer in Pending Changes view. See below...
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How do I protect Python code? [closed]
... python code shipped as embedded python inside of a C library. Instead of converting some parts of the code to C, they hide the entire python code inside a protective C layer. Then, if they want a module importable by python, they write a thin python extension on top of the C. Open source is a mu...
Navigation in django
...done my first little webapp in django and I love it. I'm about to start on converting an old production PHP site into django and as part its template, there is a navigation bar.
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How can I increment a char?
...'t! [miss the old days]. As you are trying a quickly achieve something or convert a piece of code, concepts and idioms of Python may seem to merely impede your progress and hardly be worth the learning curve... Be patient! You may even find that gaining proficiency in Python will improve your sty...
AngularJS directive with default options
I'm just starting with angularjs, and am working on converting a few old JQuery plugins to Angular directives. I'd like to define a set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute.
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