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Implementation difference between Aggregation and Composition in Java
I'm aware of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples?
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Does Java support default parameter values?
...found is how Java handles it (that is, with overloading instead of default parameters).
For constructors, See Effective Java: Programming Language Guide's Item 1 tip (Consider static factory methods instead of constructors) if the overloading is getting complicated. For other methods, renaming some...
How to generate a simple popup using jQuery
I am designing a web page. When we click the content of div named mail, how can I show a popup window containing a label email and text box?
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MySql export schema without data
I'm using a MySql database with a Java program, now I want to give the program to somebody else.
13 Answers
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Why should I declare a virtual destructor for an abstract class in C++?
I know it is a good practice to declare virtual destructors for base classes in C++, but is it always important to declare virtual destructors even for abstract classes that function as interfaces? Please provide some reasons and examples why.
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Get the IP address of the machine
This Question is almost the same as the previously asked Get the IP Address of local computer -Question. However I need to find the IP address(es) of a Linux Machine .
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How to linebreak an svg text within javascript?
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This is not something that SVG 1.1 supports. SVG 1.2 does have the textArea element, with automatic word wrapping, but it's not implemented in all browsers. SVG 2 does not plan on implementing textArea, but it does have auto-wrapped text.
However, given that yo...
Can I restore a single table from a full mysql mysqldump file?
I have a mysqldump backup of my mysql database consisting of all of our tables which is about 440 megs. I want to restore the contents of just one of the tables from the mysqldump. Is this possible? Theoretically, I could just cut out the section that rebuilds the table I want but I don't even know ...
Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
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What's the difference between KeyDown and KeyPress in .NET?
What is the difference between the KeyDown and KeyPress events in .net ?
10 Answers
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