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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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Automatic vertical scroll bar in WPF TextBlock?

...del : ILogBoxViewModel, INotifyPropertyChanged { private readonly ILog _log = LogManager.GetLogger<LogBoxViewModel>(); private bool _attachedPropertyClear; private string _attachedPropertyAppend; public void CmdAppend(string toAppend) { string toLog = $"{DateTime....
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Why does printf not flush after the call unless a newline is in the format string?

...; or its secure version setvbuf as explained here setvbuf(stdout, NULL, _IONBF, 0); share | improve this answer | follow | ...
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How to set Oracle's Java as the default Java in Ubuntu?

How do I change the value of JAVA_HOME in Ubuntu to point to Oracle's Java? 8 Answers ...
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Changing the cursor in WPF sometimes works, sometimes doesn't

... public class OverrideCursor : IDisposable { static Stack<Cursor> s_Stack = new Stack<Cursor>(); public OverrideCursor(Cursor changeToCursor) { s_Stack.Push(changeToCursor); if (Mouse.OverrideCursor != changeToCursor) Mouse.OverrideCursor = changeToCursor; } pu...
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How to overcome TypeError: unhashable type: 'list'

... keys during a dictionary lookup quickly. Internally, hash() method calls __hash__() method of an object which are set by default for any object. Converting a nested list to a set >>> a = [1,2,3,4,[5,6,7],8,9] >>> set(a) Traceback (most recent call last): File "<stdin>",...
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How to perform Callbacks in Objective-C

...newer) option is to use blocks: @interface MyClass: NSObject { void (^_completionHandler)(int someParameter); } - (void) doSomethingWithCompletionHandler:(void(^)(int))handler; @end @implementation MyClass - (void) doSomethingWithCompletionHandler:(void(^)(int))handler { // NOTE: copyin...
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How do I declare an array of weak references in Swift?

...T] { return objects.flatMap { $0.object } } func contains(_ object: T) -> Bool { return self.objects.contains(WeakObject(object: object)) } func addObject(_ object: T) { self.objects.formUnion([WeakObject(object: object)]) } func addObjects(_ obj...
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The character encoding of the HTML document was not declared

... edited Sep 27 '15 at 8:04 joe_young 3,79022 gold badges2020 silver badges3434 bronze badges answered Sep 27 '15 at 7:08 ...
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maximum value of int

... In C++: #include <limits> then use int imin = std::numeric_limits<int>::min(); // minimum value int imax = std::numeric_limits<int>::max(); std::numeric_limits is a template type which can be instantiated with other types: float fmin = std::numeric_limits<float>...