...f-else statements, each with a return? That is nothing. Such a thing is usually easily refactored. (atleast the more common single exit variation with a result variable is, so I doubt the multi exit variation would be any more difficult.) If you want a real headache, look at a combination of if-els...

... Actually, if you're working with jQuery, as of version 1.4.3 1.4.4 (because of the bug as mentioned in the comments below), data-* attributes are supported through .data(): As of jQuery 1.4.3 HTML 5 data- attributes will b...

...input list being in the exact order it's in is 1/(n!). There is such a small likelihood of this that it's clearly absurd to say that this happened by chance, so it must have been consciously put in that order by an intelligent Sorter. Therefore it's safe to assume that it's already optimally...

...means that the compiler is not obligated provide an error nor a warning usually because it can be difficult to diagnose in all cases. We can see this from the definition of undefined behavior in the draft standard in section 1.3.24 which says: [...]Permissible undefined behavior ranges from igno...

I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence? ...

... Don't just use jQuery's append if you really want the element to appear in the DOM. Use the native appendChild to achieve this. – Minqi Pan Oct 1 '12 at 14:54 ...

...piece of information, and there can be no duplicate rows. 2NF and 3NF are all about being dependent on the primary key. Recall that a primary key can be made up of multiple columns. As Chris said in his response: The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] ...

... Usually, the more the application grows in terms of size and/or reusability, the more the need is to externalize/abstractize the SQL statements. Hardcoded (as static final constants) is the first step. Stored in a file (propert...

... JPA provides an SqlResultSetMapping that allows you to map whatever returns from your native query into an Entity or a custom class. EDIT JPA 1.0 does not allow mapping to non-entity classes. Only in JPA 2.1 a ConstructorResult has been added to map return values a...

...e a reference to your Service object. Handler objects for the same thread all share a common Looper object, which they post messages to and read from. As messages contain target Handler, as long as there are messages with target handler in the message queue, the handler cannot be garbage collecte...