Performing user authentication in Java EE / JSF using j_security_check

Performing user authentication in Java EE / JSF using j_security_check

I'm wondering what the current approach is regarding user authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold

java.util.NoSuchElementException - Scanner reading user input

java.util.NoSuchElementException - Scanner reading user input

I'm new to using Java, but I have some previous experience with C#. The issue I'm having comes with reading user input from console.I'm running into the "java.util.NoSuchElementException" error with this portion of code:payment = sc.next();

Passing data between controllers in Angular JS?

Passing data between controllers in Angular JS?

I have a basic controller that displays my products,App.controller('ProductCtrl',function($scope,$productFactory){ $productFactory.get().success(function(data){ $scope.products = data; });});In my view I'm displaying this

Android Shared preferences example [closed]

Android Shared preferences example [closed]

I want to retrieve user input in an app for later usage. For example, the user is prompted to enter all 7 days of the week and types into the editText box "Monday", "Tuesday" etc. Then later in the app a question will come up and ask what

How do I pass data between Activities in Android application?

How do I pass data between Activities in Android application?

I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity.On clicking sign-out, I will be passing the session id of the signed in user to sign-out. Can anyone guide me on how to keep se

How to access the correct `this` inside a callback?

How to access the correct `this` inside a callback?

I have a constructor function which registers an event handler:function MyConstructor(data, transport) { this.data = data; transport.on('data', function () { alert(this.data); });}// Mock transport objectvar transport = {

What are the benefits/consequences of compiling an armv7 only architecture?

What are the benefits/consequences of compiling an armv7 only architecture?

In compiling iPhone apps, there is a setting for "Optimized" architecture (armv7 only) vs a standard armv6/armv7 architecture.What are the benefits/consequences of compiling an armv7 only architecture? 1:A smaller executable is a faster

How are RDF and RDFS related?

How are RDF and RDFS related?

I've been reading about Semantic Web technologies such as RDF/RDFS and "ontology", but was wondering how each of these are related? At the moment the terms all seem interchangeable, or I'm not understanding a fundamental concept here. 1:

The “X” property on “Y” could not be set to a 'null' value. You must set this property to

The “X” property on “Y” could not be set to a 'null' value. You must set this property to

When I run my application and I click a specific button I get the error:"The "X" property on "Y" could not be set to a 'null' value. You must set this property to a non-null value of type 'Int32'."Cool so I go to my Entity project, go to Y

Where does Console.WriteLine go in Debug?

Where does Console.WriteLine go in Debug?

I found this question, but what I want to know is different - does the output from Console.WriteLine go anywhere when debugging? I know that for it to go to the output window I should should Debug.WriteLine() or other methods, but where doe

How to launch my app via NFC tag?

How to launch my app via NFC tag?

I'm currently working on porting an app to UWP. The app has a page with a "Write to NFC" button. After the user taps it, it waits for an NFC tag and writes a LaunchApp:WriteTag binary message.What worked fine under WP8.1, doesn't work at al

how to store grep command result in some variable in shell

how to store grep command result in some variable in shell

I want to find out number of directories and files in home directory and want to store count some variable in a shell script. I am using following set of commands.command="ls -l | grep -c \"rahul.*patle\""eval $commandi want to store this c

Read XML file in android

Read XML file in android

I have an xml-file that contains data that I want to read. The code works in a desktop environment but I can't figure out how to store and read the file from an android device. Ideas? 1:Put the xml file in the assets folder and fetch it

Freebase query for full topic summary

Freebase query for full topic summary

I'm trying to retrieve the full topic description/summary for some Freebase articles. I have been using the Freebase topic API, which returns this type of results: http://www.freebase.com/experimental/topic/standard?id=/en/jimi_hendrixBut I

How can I store and retrieve preferences in Android?

How can I store and retrieve preferences in Android?

How can I store and retrieve preferences in Android? 1:Android: PreferenceUsing preferences in androidPreferences Demo

Implement Airplay Software Receiver in Android OS

Implement Airplay Software Receiver in Android OS

Can we develop any app in Android which will play a role of Airplay Receiver? Following provides support for MAC and Windows desktop version now. http://www.airsquirrels.com/reflector/I found a similar question with no reply. How can I make

iphone Location Services code that works on OS 4.1 in appstore

iphone Location Services code that works on OS 4.1 in appstore

There's a bug in OS 4.1 that has broken location services for some iPhone apps ( https://devforums.apple.com/message/306250 ). Basically location services fails to turn on, and doesn't even ask the user for permission to get their location.

Android : recording audio using audiorecord class play as fast forwarded

Android : recording audio using audiorecord class play as fast forwarded

I am trying to record a audio & stores into a sdcard as well as send to server. When I am trying to play recorded voice its playing,but not as I have recorded. If I record voice for 10mins it ll play for 4min i.e someone has pressed fast f

Is null character included while allocating using malloc

Is null character included while allocating using malloc

I have been using C for quite sometime, and I have this trivial problem that I want to query about. Say i want to create a character array that stores upto 1000 characters. Now, when I am using malloc for the same, then do I specify the siz

Entity Framework Code First DateTime field update on modification

Entity Framework Code First DateTime field update on modification

I have the following entity:public class User{ public int UserId { get; set; } public string UserName { get; set; } public string UserAddress { get; set; } public DateTime CreateDate { get; set; } public DateTime? UpdateDate

How to upload multiple images in Django using Dropzone for multiple image fields

How to upload multiple images in Django using Dropzone for multiple image fields

I am working on a project where the functionality is the user can upload his multiple images with a drag-n-drop feature. I am developing using the Django-python. I have implemented the functionality of drag-n-drop in django template, but I

How to implement a double linked list with only one pointer?

How to implement a double linked list with only one pointer?

How to implement a double linked list with only one pointer?It takes O(1) time to find the prev and next Node.struct Node{ int val; Node* p;}; 1:This sounds as if it's impossible, the way it's stated. You can't implement two pointers

Clear MKMapView's cache of tiles?

Clear MKMapView's cache of tiles?

I'm working on an iPhone game that uses an MKMapView as the playfield. After only a couple of minutes of play the app inevitably starts to get sluggish and eventually crashes due to low memory. After digging around the culprit seems to be t

How can I detect the dpi on an ipad mini?

How can I detect the dpi on an ipad mini?

I've got an ipad app with some pretty small touch points that are just barely acceptable on the 10 inch screen of a normal ipad. I'd like to be able to get the device dpi so I can scale up the size of the small elements for the mini and wha

What is the correct way to handle “out of memory”?

What is the correct way to handle “out of memory”?

Recently, I work on a video player program on Windows for a CCTV program. As the program has to decode and play many videos streams at the same time, I think it might meet the situation that malloc will fail and I add checking after every