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augmented reality framework [closed]
... I would also add that it depends if you want do do location based AR or vision based (e.g. marker based) AR. I would say that on android for vision based ar metaio.com/software/mobile-sdk is realy good and for location based you can also try droidar.googlecode.com or code.google.com/p...
What are Aggregates and PODs and how/why are they special?
... (12.1), no private or protected non-static data members (clause 11),
no base classes (clause 10), and no virtual functions (10.3).
So, OK, let's parse this definition. First of all, any array is an aggregate. A class can also be an aggregate if… wait! nothing is said about structs or unions, ...
C++ Exceptions questions on rethrow of original exception
...ou will lose derived-class-specific data during the copy-construction of a base class instance.
Simple program to illustrate what's happening:
#include <stdio.h>
struct MyErr {
MyErr() {
printf(" Base default constructor, this=%p\n", this);
}
MyErr(const MyErr& other) {
...
Format bytes to kilobytes, megabytes, gigabytes
Scenario: the size of various files are stored in a database as bytes. What's the best way to format this size info to kilobytes, megabytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files le...
Why can't I have abstract static methods in C#?
...oment, inherit static methods. Imagine this scenario:
public static class Base
{
public static virtual int GetNumber() { return 5; }
}
public static class Child1 : Base
{
public static override int GetNumber() { return 1; }
}
public static class Child2 : Base
{
public static override ...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...
I will try to show how you can benefit from Claim Based Access Control in an ASP.NET MVC Context.
When you are using Role based authentication, if you have an action for creating customer and you want that the people who are in 'Sale' role should be able to do that, then yo...
Is there any way in C# to override a class method with an extension method?
... if (choice == "ext def")
{
Console.WriteLine($"Base.Ext.Ext.GetDesc: {ele.GetDesc()}");
}
else if (choice == "ext base" && ele is BaseTest b)
{
Console.WriteLine($"Base.Ext.Base.GetDesc: {b.BaseFunc()}");
}
}
pu...
How are the points in CSS specificity calculated
...at "Concatenating the three numbers a-b-c (in a number system with a large base) gives the specificity." So the geek in me just had to figure out just how large this base is.
It turns out that the "very large base" employed (at least by the 4 most commonly-used browsers*) to implement this standard...
How to modify a pull request on GitHub to change target branch to merge into?
...
Update August 2016: Change the base branch of a Pull Request finally allows for changing that branch.
(And this closes issue 18, which was 3 years old and had 1500+ comments)
After you’ve created a pull request, you can modify the base branch so that...
How to use permission_required decorators on django class-based views
...n in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anythi...