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How to store a list in a column of a database table
So, per Mehrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I wa...
Do sessions really violate RESTfulness?
...ne some terms:
RESTful:
One can characterise applications conforming to the REST constraints
described in this section as "RESTful".[15] If a service violates any
of the required constraints, it cannot be considered RESTful.
according to wikipedia.
stateless constraint:
We next add a...
Keep file in a Git repo, but don't track changes
I have several files in a CodeIgniter site that I will want to have in the repo but not track any changes on.
6 Answers
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Understanding checked vs unchecked exceptions in Java
...wever, I think checked exceptions are useful - they are used when you want to force the user of your API to think how to handle the exceptional situation (if it is recoverable). It's just that checked exceptions are overused in the Java platform, which makes people hate them.
Here's my extended vie...
Understanding recursion [closed]
... recursion at school. Whenever the professor is talking about it, I seem to get it but as soon as I try it on my own it completely blows my brains.
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Why does Maven have such a bad rep? [closed]
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I looked into maven about six months ago. We were starting a new project, and didn't have any legacy to support. That said:
Maven is all-or-nothing. Or at least as far as I could tell from the documentation. You can't easily use maven...
Understanding reference counting with Cocoa and Objective-C
I'm just beginning to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not o...
When and how should I use a ThreadLocal variable?
...on) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object.
For example:
public class Foo
{
// SimpleDateFormat is not thread-safe, so ...
Why is there no Constant feature in Java?
I was trying to identify the reason behind constants in Java
I have learned that Java allows us to declare constants by using final keyword.
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How to use SSH to run a local shell script on a remote machine?
I have to run a local shell script (windows/Linux) on a remote machine.
17 Answers
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