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How to sort an array in descending order in Ruby
...our answer. All this benchmark information is quite useful. But a TL;DR on top of the answer will be useful for people who just want the answer. I know they should read the whole explanation and I think they will. Still a TL;DR will be quite useful IMHO. Thanks for your effort.
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Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...ere is an RBAC system that grants badges in the Manager Role access to the top floor, and badges in the Employee Role access to other rooms.
If for whatever reason certain rooms need to be added/removed by Role, this can be done using RBAC, but it is not a good fit for a Claim.
Permissions in So...
Why is Lisp used for AI? [closed]
...ial languages that have special interpreters/compilers in these domains on top of Lisp. Lisp allows one to create representations for symbolic data and programs and can implement all kinds of machinery to manipulate these expressions (math formulas, logic formulas, plans, ...).
(Note that lots of o...
Angularjs $q.all
... you write var deferred= $q.defer(); inside a for loop it's hoisted to the top of the function, it means that javascript declares this variable on the function scope outside of the for loop.
With each loop, the last deferred is overriding the previous one, there is no block-level scope to save a ref...
What is the difference between JSF, Servlet and JSP?
...JavaServer Faces)
JSF is a component based MVC framework which is built on top of the Servlet API and provides components via taglibs which can be used in JSP or any other Java based view technology such as Facelets. Facelets is much more suited to JSF than JSP. It namely provides great templating c...
Getting the count of unique values in a column in bash
...lumnvalues.pl
Run it as: perl columnvalues.pl files*
Explanation
In the top-level while loop:
* Loop over each line of the combined input files
* Split the line into the @Fields array
* For every column, increment the result array-of-hashes data structure
In the top-level for loop:
* Loop ...
How to determine if binary tree is balanced?
...
This only determines if the top level of the tree is balanced. That is, you could have a tree with two long branches off the far left and far right, with nothing in the middle, and this would return true. You need to recursively check the root.left and ...
How to intercept touches events on a MKMapView or UIWebView objects?
...ureRecognizer.h
//
// WildcardGestureRecognizer.h
// Copyright 2010 Floatopian LLC. All rights reserved.
//
#import <Foundation/Foundation.h>
typedef void (^TouchesEventBlock)(NSSet * touches, UIEvent * event);
@interface WildcardGestureRecognizer : UIGestureRecognizer {
TouchesEvent...
Disabling Strict Standards in PHP 5.4
...htaccess file or it's not enabled, you'll probably need to put this at the top of the PHP section of any script that gets loaded from a browser call:
error_reporting(E_ALL & ~E_STRICT & ~E_NOTICE);
One of those should help you be able to use the software. The notices and strict stuff are ...
How to update a pull request from forked repo?
...tch to local repositories, double click repository.
Switch the branch(near top of window) to the branch that you created the pull request from(i.e. the branch on your fork side of the compare)
Should see option to enter commit comment on right and commit changes to your local repo.
Click sync on top...