oop Archives - Page 12 of 22

When should you use ‘friend’ in C++?

I have been reading through the C++ FAQ and was curious about the friend declaration. I personally have never used it, however I ...

May 10, 2022
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The ideal place for storing persistent PHP objects

I’m writing some plugins that do background batch processing, i.e. operations that take longer than 30 seconds. I’m creating objects with the necessary ...

May 9, 2022
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Modify built-in post type properties

I have an unusual situation where I need to make the built-in post type ‘page’ non-hierarchical. I printed the post type object with ...

May 9, 2022
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Difference between abstraction and encapsulation?

What is the precise difference between encapsulation and abstraction? 40 Answers 40 Most answers here focus on OOP but encapsulation begins much earlier: ...

May 9, 2022
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Is there a performance difference between i++ and ++i in C++?

We have the question is there a performance difference between i++ and ++i in C? What’s the answer for C++? 19 Answers 19

May 9, 2022
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What’s wrong with overridable method calls in constructors?

I have a Wicket page class that sets the page title depending on the result of an abstract method. public abstract class BasicPage ...

May 8, 2022
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How to initialize $wpdb?

I have a .php page in the theme root to check the data of one CUSTOM form. After receiving this data I need ...

May 8, 2022
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How do I extend one plugin I’m writing with another I’m writing using classes?

I have a set of plugins that do different things. I’m wanting to write a plugin with a class I can extend in ...

May 8, 2022
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Does JavaScript have the interface type (such as Java’s ‘interface’)?

I’m learning how to make OOP with JavaScript. Does it have the interface concept (such as Java’s interface)? So I would be able ...

May 8, 2022
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Constructors in JavaScript objects

Can JavaScript classes/objects have constructors? How are they created? 19 Answers 19

May 8, 2022
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