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What is the most appropriate way to store user settings in Android application
...ngs.Secure.ANDROID_ID).getBytes(UTF8), 20));
return new String(Base64.encode(pbeCipher.doFinal(bytes), Base64.NO_WRAP),UTF8);
} catch( Exception e ) {
throw new RuntimeException(e);
}
}
protected String decrypt(String value){
try {
...
How to sort Map values by key in Java?
...
I'm trying to use Treemap and sort String keys based on length. I find I'm getting inconsistent retrieval results. Apparently because TreeMap considers a compareTo result of 0 as "equals"? Not sure how to use it in this case.
– Marc
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What is REST? Slightly confused [closed]
...ing's dissertation (2000), "Architectural Styles and the Design of Network-based Software Architectures" (available online from the University of California, Irvine).
First read Ryan Tomayko's post How I explained REST to my wife; it's a great starting point. Then read Fielding's actual dissertatio...
Invalidating JSON Web Tokens
...js project I'm working on, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
...
How do I implement __getattribute__ without an infinite recursion error?
...tribute__(self, name)
This works because object (in this example) is the base class. By calling the base version of __getattribute__ you avoid the recursive hell you were in before.
Ipython output with code in foo.py:
In [1]: from foo import *
In [2]: d = D()
In [3]: d.test
Out[3]: 0.0
In [4]...
Pimpl idiom vs Pure virtual class interface
...Clone" method is usually more appropriate. Examples: A Socket class, a Database class, a "policy" class, anything that would be a "closure" in a functional language.
Both pImpl and pure abstract base class are techniques to reduce compile time dependencies.
However, I only ever use pImpl to imple...
Resize UIImage by keeping Aspect ratio and width
...ght) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio.
anyone help me to achieve this.
...
What does O(log n) mean exactly?
... find the right one; instead, you can simply divide-and-conquer by looking based on where their name is alphabetically, and in every section you only need to explore a subset of each section before you eventually find someone's phone number.
Of course, a bigger phone book will still take you a long...
Amazon SimpleDB vs Amazon DynamoDB
...eferences Werner Vogel's Amazon DynamoDB – a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications as well, which is indeed an elaborate and thus highly recommended read concerning the History of NoSQL at Amazon in general and Dynamo in particular; it contains many more...
ASP.NET MVC - Set custom IIdentity or IPrincipal
...let me know.
Additionally to make the access even easier you can create a base controller and override the returned User object (HttpContext.User):
public class BaseController : Controller
{
protected virtual new CustomPrincipal User
{
get { return HttpContext.User as CustomPrincip...