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Is there more to an interface than having the correct methods
...rk.
Another reason is, for example, if you want to create a list of boxes and perform some operation on each one, but you want the list to contain different kinds of boxes. On each box you could do:
myBox.close()
(assuming IBox has a close() method) even though the actual class of myBox changes ...
What is a domain specific language? Anybody using it? And in what way?
I guess I am looking for some kind of intro and see if anybody have used it. Are there any particular advantages of using it?
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What is the default access specifier in Java?
I just started reading a Java book and wondered; which access specifier is the default one, if none is specified?
12 Answer...
What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
How to use Sublime over SSH
...trying to use Sublime Text 2 as an editor when I SSH in to my work server, and I'm stumped. I found this http://urbangiraffe.com/2011/08/13/remote-editing-with-sublime-text-2/ (among many other posts) that looks like it might help, but I don't follow it exactly, particularly with what values I sh...
What are DDL and DML?
I have heard the terms DDL and DML in reference to databases, but I don't understand what they are.
12 Answers
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Any reason to prefer getClass() over instanceof when generating .equals()?
I'm using Eclipse to generate .equals() and .hashCode() , and there is an option labeled "Use 'instanceof' to compare types". The default is for this option to be unchecked and use .getClass() to compare types. Is there any reason I should prefer .getClass() over instanceof ?
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How to “properly” create a custom object in JavaScript?
...ut what the best way is to create an JavaScript object that has properties and methods.
15 Answers
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Server.Transfer Vs. Response.Redirect
What is difference between Server.Transfer and Response.Redirect ?
16 Answers
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INNER JOIN ON vs WHERE clause
... easier to see this with the WHERE syntax.
As for your example, in MySQL (and in SQL generally) these two queries are synonyms.
Also note that MySQL also has a STRAIGHT_JOIN clause.
Using this clause, you can control the JOIN order: which table is scanned in the outer loop and which one is in the...