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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
... D
Virtual inheritance means that there will be only 1 instance of the base A class not 2.
Your type D would have 2 vtable pointers (you can see them in the first diagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however ...
Can we define implicit conversions of enums in c#?
...rmal enum (though you can refactor some of the above into a common generic base class). You can go even further by having the base class implement IComparable & IEquatable, as well as adding methods to return the value of DescriptionAttributes, declared names, etc, etc.
I wrote a base class (Ri...
How to get domain URL and application name?
...ould make this question more sense), then you can make use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="req" value="${pageContext.request}" />
<c:s...
How to select rows from a DataFrame based on column values?
How to select rows from a DataFrame based on values in some column in Pandas?
10 Answers
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What's the difference between Ruby's dup and clone methods?
...ng a different object id), while dup is intended to duplicate an object as base for an new instance.
– 3limin4t0r
Oct 13 '18 at 10:12
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What is the advantage of using forwarding references in range-based for loops?
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Using auto&& or universal references with a range-based for-loop has the advantage that you captures what you get. For most kinds of iterators you'll probably get either a T& or a T const& for some type T. The interesting case is where dereferencing an iterator yield...
Is there any way to close a StreamWriter without closing its BaseStream?
...at when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
5 Answe...
How can I calculate the number of lines changed between two commits in git?
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@jgmjgm, try using git merge-base as part of your command. You probably just have a newer master branch than what your feature_branch was originally based on, is all, so you need to do git diff against the old base upon which your feature branch was base...
(this == null) in C#!
...such method, and even comparing this to null is valid. The error is in the base init line: it is the attempt to pass instance-bounded delegate as a parameter to the base ctor. This is the bug (a hole in sematic checks) in the compiler: it should NOT be possible. You are not allowed to write : base(C...
Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
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There is various way to define a function. It is totally based upon your requirement. Below are the few styles :-
Object Constructor
Literal constructor
Function Based
Protoype Based
Function and Prototype Based
Singleton Based
Examples:
Object constructor
var person = ne...