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What is an existential type?
... because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
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Java abstract interface
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Why is it necessary for an interface to be "declared" abstract?
It's not.
public abstract interface Interface {
\___.__/
|
'----> Neither this...
public void interfacing();
public abstract...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
I plan to store foreign account information for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use.
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ArrayList initialization equivalent to array initialization [duplicate]
I am aware that you can initialize an array during instantiation as follows:
8 Answers
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Hibernate Annotations - Which is better, field or property access?
...me business logic to my accessors whenever I need.
Here's an example:
@Entity
public class Person {
@Column("nickName")
public String getNickName(){
if(this.name != null) return generateFunnyNick(this.name);
else return "John Doe";
}
}
Besides, if you throw another libs into the ...
Python Infinity - Any caveats?
So Python has positive and negative infinity:
5 Answers
5
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Detecting that the browser has no mouse and is touch-only
I'm developing a webapp (not a website with pages of interesting text) with a very different interface for touch (your finger hides the screen when you click) and mouse (relies heavily on hover preview).
How can I detect that my user has no mouse to present him the right interface? I plan to leave a...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
... of questions that seem to be commonly-used in interviews and classes when it comes to object-oriented design and analysis. This is one of them; unfortunately, my OOP professor in college never actually gave an answer to it, and so I've been wondering.
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WebRTC - scalable live stream broadcasting / multicasting
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As it was pretty much covered here, what you are trying to do here is not possible with plain, old-fashionned WebRTC (strictly peer-to-peer). Because as it was said earlier, WebRTC connections renegotiate encryption keys to encr...
Is it possible to embed animated GIFs in PDFs?
Is it possible to embed animated GIFs in PDFs? And how might I go about such a thing? are there any dangers I should be aware of?
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