overriding

Android Linkify links textColor ignored, css style overrides possible?

由 ☆樱花仙子☆ 提交于 2019-11-29 14:09:54
问题 I am using Linkify in my app, and visited link text is appearing as dark purple. My overall layout background color is dark blue so this is impossible to read. The text is set as white, but visited links are appearing as dark purple. How do I override this? <TextView android:text="Website:" android:layout_width="match_parent" android:layout_height="wrap_content" android:textSize="14dip" android:paddingBottom="2dip" android:background="#ffffff" android:textColor="#577dbe" /> <TextView android

How to override virtual function in good style? [C++]

由 拈花ヽ惹草 提交于 2019-11-29 13:58:26
guys I know this question is very basic but I've met in few publications (websites, books) different style of override virtual function. What I mean is: if I have base class: class Base { public: virtual void f() = 0; }; in some publications I saw that to override this some authors would just say: void f(); and some would still repeat the virtual keyword before void. Which form of overwriting is in good style? Thank you for your answers. This is purely a matter of taste. Some weak arguments can be made back and forth as to the self-documentation value of some styles versus the non-redundancy

Overriding Method with Exception

由 自闭症网瘾萝莉.ら 提交于 2019-11-29 13:27:56
So here is the quote from the book: The overriding method must NOT throw checked exceptions that are new or broader than those declared by the overridden method. For example, a method that declares a FileNotFoundException cannot be overridden by a method that declares a SQLException, Exception, or any other non-runtime exception unless it's a subclass of FileNotFoundException. Now here is my question, if the method in the superclass throws an exception, then can the overriding method NOT throw an exception at all? Because I just tried this in Java, where the overriding method did not throw any

How to determine if the MethodInfo is an override of the base method

由 走远了吗. 提交于 2019-11-29 13:15:55
I'm trying to determine if the MethodInfo object that I get from a GetMethod call on a type instance is implemented by the type or by it's base. For example: Foo foo = new Foo(); MethodInfo methodInfo = foo.GetType().GetMethod("ToString",BindingFlags|Instance); the ToString method may be implemented in the Foo class or not. I want to know if I'm getting the foo implementation? Related question Is it possible to tell if a .NET virtual method has been overriden in a derived class? Check its DeclaringType property. if (methodInfo.DeclaringType == typeof(Foo)) { // ... } Instead of using

Android: Hiding the keyboard in an overridden “Done” keypress of EditText

由 六月ゝ 毕业季﹏ 提交于 2019-11-29 13:08:37
问题 I have used a bit of Android code to override the "Done" button in my EditText field: myEditField.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_DONE) { mySubroutine(); return true; } return false; } }); Activating the field calls up the keyboard, and pressing "Done" evaluates mySubroutine() successfully. However, the keyboard no longer goes away when I

AppleLanguages value overrides the value of language set in IOS settings preferred language

由 北战南征 提交于 2019-11-29 13:02:59
I am working on Localization of my app that supports both spanish and English languages.These options are listed in a tableview.On clicking English i am setting the value "en" for the key "AppleLanguages" in NSUserDefaults.So that it can show the content in English. NSUserDefaults *nsdefault=[NSUserDefaults standardUserDefaults]; [nsdefault setObject:[NSArray arrayWithObject:@"en"] forKey:@"AppleLanguages"]; [nsdefault synchronize]; Also at the same time i am trying to fetch the Language programmatically from IOS device which was set at General>>International>>Language manually using code.

Why it is not possible to override mutable variable in scala?

由 筅森魡賤 提交于 2019-11-29 12:27:52
问题 Why it is not possible to override mutable variable in scala ? class Abs(var name: String){ } class AbsImpl(override var name: String) extends Abs(name){ } Above code gives following compile time error :- variable name cannot override a mutable variable If name is declared val, then above code works fine. 回答1: If you could override a var with a var, then the overriding member could have a narrower type. (That's how overriding is defined.) You could then assign a value of a wider type and then

C#: Property overriding by specifying the interface explicitly

由 泄露秘密 提交于 2019-11-29 11:41:20
问题 While attempting to override the explicit interface implementation of the ICollection<T>.IsReadOnly property from the Collection<T> class, I came across some documents stating that explicit interface member implementations cannot be overridden because they cannot have modifiers such as virtual or abstract . On MSDN they even go as far as specifying how to make an explicit interface member implementation available for inheritance by creating another abstract or virtual member which is called

How to detect method overloading in subclasses in python?

由 …衆ロ難τιáo~ 提交于 2019-11-29 11:16:00
问题 I have a class that is a super-class to many other classes. I would like to know (in the init () of my super-class if the subclass has overridden a specific method. I tried to accomplish this with a class method, but the results were wrong: class Super: def __init__(self): if self.method == Super.method: print 'same' else: print 'different' @classmethod def method(cls): pass class Sub1(Super): def method(self): print 'hi' class Sub2(Super): pass Super() # should be same Sub1() # should be

Override property observer

由 拈花ヽ惹草 提交于 2019-11-29 11:08:55
问题 When I override the function noise , the function gets replaced by the new one. But when I override a property with an observer, the old and new value gets both executed. In playground: class Vehicle { func noise(sound: String) { println("Vehicle sound sounds like \(sound)") } } class Train: Vehicle { override func noise(sound: String) { println("A train does: \(sound)") } } Output: var oldTrain = Train() bulletTrain.noise("tjoek tjoek") // Prints: "A train does: tjoek tjoek" But when I do
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