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    Assuming I have the following classes in different files: <?php namespace MyNS; class superclass { public function ... 't feel very elegant. See Question&Answers more detail:os...
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    I know I'm asking some serious 101 question here... I have some class Foo and a class Bar that extends Foo. ... there is a more sane approach? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to create some Symfony2 bundles which are reusable accross different projects, but where the entities also ... that in another bundle? See Question&Answers more detail:os...
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    As I sit in the C++ Standards committee meetings, they are discussing the pros and cons of dropping ... an adequate alternative? Thanks! See Question&Answers more detail:os...
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    I have a class function Node() { //implementation } and another class function AttributionalNode() { this.prototype ... it throws an Exception? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I press f12 on the ArrayList keyword to go to metadata generated from vs2008, I found that the ... inherit from these interfaces? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have the code as below. I have a abstract template class Foo and two subclasses (Foo1 and Foo2) which derive from ... Foo<double>{ ... }; See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    While working with templates I ran into a need to make a base class constructors accessible from inherited ... ones from initializer list? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an OWL 2 ontology containing several named individuals belonging to a class that need to have the same object ... how can it be done? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I compile this with Rust 1.3, the compiler tells me that virtual structs have been removed from the language: struct Foo: Bar { } See Question&Answers more detail:os...
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    I'm learning java. I was trying to run the code, where I got this error: return type is incompatible. Part of ... { } } Why it is happening? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    For example a schema for a file system, directory contains a list of files. The schema consists of the specification of ... thing ] } } } } See Question&Answers more detail:os...
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    I'm new to TypeScript and I'm playing around with the various language features. Below is a code sample ... >truck; typecast3.WriteDetails(); See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to do the following: class Animal { class Bear : public Animal { // }; class Giraffe : ... inner classes from a common base class) See Question&Answers more detail:os...
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    Here's the documentation for the protected method: /** Converts jmusic score data into a MIDI Sequence */ protected ... } return sequence; } } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like to extend the host object Error to a custom UploadError class. The following example fails when I ... { return this.code; } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have 2 subclasses: Staff, Student they belong to superclass Person. Here is the code(tasks) which is given by my ... me. Thank you very much. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm having a problem with C++ inheritance. I have a class hierarchy: class A { public: virtual void onFoo() ... that C has no onFoo() function. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm overriding a virtual method, and I want to call inherited. But I don't want to call the immediate ancestor ... ancestor ... end; Possible? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This should be a fairly straightforward question, but I'm unable to find an easy answer. How do you create ... missing here? Thanks in advance. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    According to some official talk, a class in Objective-C should only expose public methods and properties ... properties/methods publicly? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to understand when and how to use super() in Python correctly (either 2.7.x or 3.x) on >>> ... a nice shortcut even in Python 3.x. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In java, can we pass superclass Object to subclass reference ? I know that it is a weird question/practically ... Any inputs/link are welcomes. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Consider the following example code class MyClass { public String var = "base"; public void printVar() { ... this only for performance reasons? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was wondering if its possible to call the parents __construct(), before the child's __construct() with ... sense? Thanks! Matt Mueller See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    My code is: class Foo { public int a=3; public void addFive() { a+=5; System.out.print("f "); } ... b 13" since the method has been overridden? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    suppose a class has private data members but the setters and getters are in public scope. If you inherit ... cannot inherit private data members See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'd love to be able to do this: class myInt : public int { }; Why can't I? Why would I want to? ... whole bunch of operators like + and -. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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