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Multiple Inheritance in PHP
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Alex, most of the times you need multiple inheritance is a signal your object structure is somewhat incorrect. In situation you outlined I see you have class responsibility simply too broad. If Message is part of application business model, it should not take care about renderin...
How do I show the changes which have been staged?
...n the cache/index (i.e. staged changes) against the current HEAD. --staged is a synonym for --cached.
--staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --patch (or git add -p), --staged will return what is staged.
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what is the difference between a portlet and a servlet?
...art of JSR-168 standard that regulates portal containers and components. This is different standard from standards for web containers (and servlets). Though there are definitely strong parallels between these two standards they differ in containers, APIs, life cycle, configuration, deployment, etc. ...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...iagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now.
So B::A and C::A are the same and so there can be no ambiguous calls from D. If you don't use virtual inheritance you have the second diagram...
How does one capture a Mac's command key via JavaScript?
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EDIT: As of 2019, e.metaKey is supported on all major browsers as per the MDN.
Note that on Windows, although the ⊞ Windows key is considered to be the "meta" key, it is not going to be captured by browsers as such.
This is only for the command key ...
Is there an S3 policy for limiting access to only see/access one bucket?
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I've been trying this for a while and finally came up with a working solution. You must use different "Resources" depending on the kind of action you're performing. Also I included some missing actions in the previous answer (like DeleteObject)...
sort object properties and JSON.stringify
...tion has a large array of objects, which I stringify and save them to the disk. Unfortunately, when the objects in the array are manipulated, and sometimes replaced, the properties on the objects are listed in different orders (their creation order?). When I do JSON.stringify() on the array and sav...
How to implement an ordered, default dict? [duplicate]
... collections in one object, which shall be an ordered, default dict .
Is this possible?
9 Answers
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How to detect READ_COMMITTED_SNAPSHOT is enabled?
In MS SQL Server is there a way to detect whether a database has had its isolation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON;
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Design Patterns: Factory vs Factory method vs Abstract Factory
... be able to create two kinds of Fruit: Apple and Orange.
Factory
Factory is "fixed", in that you have just one implementation with no subclassing. In this case, you will have a class like this:
class FruitFactory {
public Apple makeApple() {
// Code for creating an Apple here.
}
publi...