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• In terms of User Interface Design and methodologies what areas of research stand out the most?

  - by Dan

  Hi I'm pretty new to UI designing and was wondering what methodologies/ stuff to think about etc stand out as being useful. I'm interested in common design principles, laws that apply for human computer interaction, i've heard of one that applies to the spacing of buttons and other GUI objects etc. Thanks for any replies.

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• Splitting string to integer from single-line user input?

  - by pootzko

  I just started learning some ruby, and I want to do something like this: print "Insert two numbers: " a, b = gets.split(" ") but I want to make a and b to be integers at the same time (in the same line).. If I add .to_i to the second line (before or after split(" ")), it doesn't work... so, how should I approach this? mapping, splitting, slicing? ok, I know I could use scanf, but other than scanf, how would I do this? sorry for such a noobish question, but I just couldn't find a good enough answer only googling...

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• Is it guaranteed that new Integer(i) == i in Java?

  - by polygenelubricants

  Consider the following snippet: int i = 99999999; byte b = 99; short s = 9999; Integer ii = Integer.valueOf(9); // should be within cache System.out.println(new Integer(i) == i); // "true" System.out.println(new Integer(b) == b); // "true" System.out.println(new Integer(s) == s); // "true" System.out.println(new Integer(ii) == ii); // "false" It's obvious why the last line will ALWAYS prints "false": we're using == reference identity comparison, and a new object will NEVER be == to an already existing object. The question is about the first 3 lines: are those comparisons guaranteed to be on the primitive int, with the Integer auto-unboxed? Are there cases where the primitive would be auto-boxed instead, and reference identity comparisons are performed? (which would all then be false!)

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• What is the best way for the application to refer to the user?

  - by user292450

  Forgive my noobishness, first time poster on stackoverflow! I can have the application read: "view your messages" "view my messages" "edit your profile" "edit my profile" etc. and others like that. Is one of these more correct then the other? I suppose that I could use neither and just leave it without any pronoun, but I would rather not. The person grading is a real stickler for "grammar" in code. Any input would be appreciated!

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• Auto Login facebook user into application

  - by user537562

  So, Here is the scenario I am trying to fix. A returning user is logged into facebook but not logged into the application. In this case when the user tries to load the application, since the user cookie is not attained yet, it redirects the user to the login page. I googled around and found this solution, FB.Event.subscribe('auth.sessionChange', function(response) { if (response.session) { window.location.reload(); } } basically whats happening here is, we are registering to facebook for a login/logout event and when it receives a response, we reload the page. Now its loads the right page since we have the user cookie on our site domain after the first load. this works, but the problem is the double load. It takes a lot of time. How can I attain the user cookie on server side for returning user? so that I don't have to do the initial page reload. Also, I have looked at yelp, and somehow they are able to load the user information without doing double load, does any body know they are able to do it? Any help is greatly appreciated, Thanks!

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• user inheritance in django

  - by amateur

  Hi guys, I saw a couple of ways extending user information of users and decided to adopt the model inheritance method. for instance, I have : class Parent(User): contact_means = models.IntegerField() is_staff = False objects = userManager() Now it is done, I've downloaded django_registration to help me out with sending emails to new users. The thing is, instead of using registration forms to register new user, I want to to invoke the email sending/acitvation capability of django_registration. So my workflow is: 1. add new Parent object in admin page. 2. send email My problem is, the django-registration creates a new registration profile together with a new user in the user table. how do I tweak this such that I am able to add the user entry into the custom user table. I have tried to create a modelAdmin and alter the save_model method to launch the create_inactive_user from django_registration, however I do not how to save the user object generated from django_registration into my Parent table when I have using model inheritance and I do not have a Foreign key attribute in my parent model.

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• Facebook App : Problem with storing user info

  - by Jack

  I want to store basic user info like name and proxied email into my MySQL database. Here's my code $user = $facebook->require_login($required_permissions = 'publish_stream','status_update','email'); $con = mysql_connect("xxxx","xxxxx","xxxxx"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("xxx_userdb", $con); //Uptil Here it is working fine...No problem with db connection $fql_firstname = "select first_name from user where uid = '$user'"; $fql_lastname = "select last_name from user where uid = '$user'"; $fql_email = "select proxied_email from user where uid = '$user'"; $fql_fname_result = $facebook->api_client->fql_query($fql_firstname); $fql_lname_result = $facebook->api_client->fql_query($fql_lastname); $fql_email_result = $facebook->api_client->fql_query($fql_email); echo "<pre>FQL Result:" . print_r($fql_fname_result,true) . "</pre>"; echo "<pre>FQL Result:" . print_r($fql_lname_result,true) . "</pre>"; echo "<pre>FQL Result:" . print_r($fql_email_result,true) . "</pre>"; Here's the output I get FQL Result: FQL Result: FQL Result: What am I doing wrong?

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• managing classes when everything is relative to a user in nhibernate (orm)

  - by Schotime

  Firstly I have three entities. Users, Roles, Items A user can have multiple Roles. An item gets assigned to one or more roles. Therefore a user will have access to a distinct set of items. Now there is a few ways I can see this working. There is a Collection on Users which has Roles via a many-to-many assoc. Then each Role in this collection will have its own collection of Items. So for each user I would have to get the User (using nhib and fetch the roles and items with it) then either do a selectMany on the Items in each Role to get all the Items for the user or do a couple of foreach's to port the data to a view or dto model. Create a db trigger to automatically insert into another table that just has the relationship between user and items so that on my User entity I only have a Items collections which has all the items assigned to me. Some other way that i can't think of yet, because I'm new to nHibernate. Now i know that the trigger doesn't feel right but I'm not sure how to do this. We also have some hierarchy later where a user may be in charge of a group of users. If anyone could shed some light on how they go about these scenarios in nhibernate or another orm that would be great, or point be in a direction. I know that in the past you would have to enter all combinations into a table so that the query worked, but when you know sql its not too bad. If you need any other info then let me know. Cheers

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• Cross-Application User Authentication

  - by Chris Lieb

  We have a webapp written in .NET that uses NTLM for SSO. We are writing a new webapp in Java that will tightly integrate with the original application. Unfortunately, Java has no support for performing the server portion of NTLM authentication and the only library that I can find requires too much setup to be allowed by IT. To work around this, I came up with a remote authentication scheme to work across applications and would like your opinions on it. It does not need to be extremely secure, but at the same time not easily be broken. User is authenticated into .NET application using NTLM User clicks link that leaves .NET application .NET application generates random number and stores it in the user table along with the user's full username (domain\username) Insecure token is formed as random number:username Insecure token is run through secure cipher (likely AES-256) using pre-shared key stored within the application to produce a secure token The secure token is passed as part of the query string to the Java application The Java application decrypts the secure key using the same pre-shared key stored within its own code to get the insecure token The random number and username are split apart The username is used to retrieve the user's information from the user table and the stored random number is checked against the one pulled from the insecure token If the numbers match, the username is put into the session for the user and they are now authenticated If the numbers do not match, the user is redirected to the .NET application's home page The random number is removed from the database

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• User switching without logging off

  - by mrh1967

  We need to switch users without logging off so we can remotely administrate a PC running with a limited user that will disconnect from the VPN if the user logs off. I've got this working by killing the explorer process and then running explorer.exe with the administrator user credentials as the following code shows: private void btnOk_Click(object sender, EventArgs e) { IntPtr tokenHandle = new IntPtr(0); if (LogonUser("administrator", Environment.UserDomainName, txtPassword.Text, 3, 0, ref tokenHandle)) { ProcessStartInfo psi = new ProcessStartInfo(@"C:\Windows\explorer.exe"); psi.UserName = "administrator"; char[] pword = txtPassword.Text.ToCharArray(); psi.Password = new System.Security.SecureString(); foreach (char c in pword) { psi.Password.AppendChar(c); } psi.UseShellExecute = false; psi.LoadUserProfile = true; restartExplorer(psi); this.Close(); } else { MessageBox.Show("Wrong password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } } private void restartExplorer(ProcessStartInfo psi) { Process[] procs = System.Diagnostics.Process.GetProcesses(); foreach (Process p in procs) { if (p.ProcessName == "explorer") { p.Kill(); break; } } System.Diagnostics.Process.Start(psi); } [DllImport("advapi32.dll", SetLastError = true)] public extern static bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken); This code and similar code that does the same but makes the ProcessStartInfo for the limited user works perfectly and allows changing between the limited and administrator accounts without disconnecting the VPN but it has one problem - If we use this to change to the administrator user, make some changes to the system, then change back to the limited user all works ok until the limited user logs off when a blank desktop is displayed until CTRL-ALT-DEL is pressed and the user is logged off again. Because we block CTRL-ALT-DEL the PC effectively hangs until it is powered off. Does anyone know how to stop this from happening so we can change users without the PC hanging when they log off?

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• dotnet Cologne 2010

  - by WeigeltRo

  Am 28.5 findet in Köln die dotnet Cologne 2010 statt, eine von der .NET User Group Köln und der von mir geleiteten Gruppe Bonn-to-Code.Net gemeinsam organisierten Konferenz zum Launch von Visual Studio 2010 und .NET Framework 4. Die Registrierung ist seit Anfang März möglich, und obwohl es bisher kaum konkrete Details zu den Sprechern und Vorträgen gab, haben sich bereits über 250 Teilnehmer angemeldet. Das zeugt von hervorragender Mund-zu-Mund-Propaganda, nicht zuletzt ein klares Zeichen für den Erfolg der letztjährigen dotnet Cologne 2009. Hinter den Kulissen brach ein wahrer Sturm von Vortragsvorschlägen über das Orga-Team (bestehend aus Stefan Lange, Albert Weinert und mir) herein. In mehreren Runden versuchten wir, die richtige Mischung zwischen einführenden und tiefgehenden Themen zu finden. Dabei wurde schnell klar, dass wir nicht mit den ursprünglich geplanten drei Tracks auskommen würden. Deshalb haben wir nach reiflicher Überlegung einen vierten Track eingerichtet, darüber hinaus bieten wir - nach dem Vorbild anderer Konferenzen - dieses Jahr auch Lunch-Sessions an. Seit heute steht nun ein Großteil der Vorträge offiziell fest, nur noch einige wenige Slots sind noch frei. Wer bisher mit der Anmeldung gezögert hat, sollte schnell einen Blick hineinwerfen und sich entscheiden. Denn ab einer der Marke von 300 Teilnehmern wird eine Warteliste eingerichtet. Zwar werden erfahrungsgemäß später einige Plätze wieder frei, aber wer ganz sicher einen Platz bei der dotnet Cologne 2010 haben möchte, sollte sich bald anmelden. Denn: Ein ganzer Tag vollgepackt mit Informationen, viele bekannte Namen der deutschen .NET-Community nicht nur auf der Sprecherliste-, sondern auch unter den Teilnehmern – und am Abend dann noch die Grillfete des dotnet Forum. Wer da nicht dabei ist, der wird wird echt etwas verpassen…

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• Tulsa - Launch 2010 Highlight Events

  - by dmccollough

  Tuesday May 04, 2010 Renaissance Tulsa Hotel and Convention Center Seville II and III 6808 S. 107th East Avenue Tulsa Oklahoma 74133   For the Developer 1:00 PM – 5:00 PM Event Overview MSDN Events Present:  Launch 2010 Highlights Join your local Microsoft Developer Evangelism team to find out first-hand about how the latest features in Microsoft® Visual Studio® 2010 can help boost your development creativity and performance.  Learn how to improve the process of refactoring your existing code base and drive tighter collaboration with testers. Explore innovative web technologies and frameworks that can help you build dynamic web applications and scale them to the cloud. And, learn about the wide variety of rich application platforms that Visual Studio 2010 supports, including Windows 7, the Web, Windows Azure, SQL Server, and Windows Phone 7 Series.   Click here to register.   For the IT Professional 8:00 AM – 12:00 PM Event Overview TechNet Events Present:  Launch 2010 Highlights Join your local Microsoft IT Pro Evangelism team to find out first-hand what Microsoft® Office® 2010 and SharePoint® 2010 mean for the productivity of you and your people—across PC, phone, and browser.  Learn how this latest wave of technologies provides revolutionary user experience and how it takes us into a future of greater productivity.  Come and explore the tools that will help you optimize desktop deployment.   Click here to register.

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• Google Rolls Out a New and Compact Navigation Bar

  - by Jason Fitzpatrick

  Earlier this spring Google introduced the black navigation bar; now they’ve updated the bar to take up less space and be more useful. Although the black bar is useful in-so-far as it gives you quick access to Google services (useful, of course, only if you use those services) the new navigation bar–seen in the video above–includes an improved layout. Rather than use the bar space to spread out links which the user may or may not use the service links are now tucked into a mouse-over menu accessed by hovering on the Google logo. The majority of the space previously just taken up by links and the black bar itself is now a a search box. If you don’t already see the new interface, look for it to appear in your Google account within the next few days. Hit up the link below to read the official announcement. The Next Stage In Our Redesign [The Official Google Blog] HTG Explains: Understanding Routers, Switches, and Network Hardware How to Use Offline Files in Windows to Cache Your Networked Files Offline How to See What Web Sites Your Computer is Secretly Connecting To

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• Algorithm for optimal control on space ship using accelerometer input data

  - by mm24

  Does someone have a good algorithm for controlling a space ship in a vertical shooter game using acceleration data? I have done a simple algorithm, but works very badly. I save an initial acceleration value (used to calibrate the movement according to the user's initial position) and I do subtract it from the current acceleration so I get a "calibrated" value. The problem is that basing the movement solely on relative acceleration has an effect of loss of sensitivity: certain movements are independent from the initial position. Would anyone be able to share a a better solution? I am wondering if I should use/integrate also inputs from gyroscope hardware. Here is my sample of code for a Cocos2d iOS game: - (void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { if (calibrationLayer.visible){ [self evaluateCalibration:acceleration]; initialAccelleration=acceleration; return; } if([self evaluatePause]){ return; } ShooterScene * shooterScene = (ShooterScene *) [self parent]; ShipEntity *playerSprite = [shooterScene playerShip]; float accellerationtSensitivity = 0.5f; UIAccelerationValue xAccelleration = acceleration.x - initialAccelleration.x; UIAccelerationValue yAccelleration = acceleration.y - initialAccelleration.y; if(xAccelleration > 0.05 || xAccelleration < -0.05) { [playerSprite setPosition:CGPointMake(playerSprite.position.x + xAccelleration * 80, playerSprite.position.y + yAccelleration * 80)]; } else if(yAccelleration > 0.05 || yAccelleration < -0.05) { [playerSprite setPosition:CGPointMake(playerSprite.position.x + xAccelleration * 80, playerSprite.position.y + yAccelleration * 80)]; } }

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• Recommendations for a web-based help system

  - by ggkmath

  Hi Experts, I'm putting together a fairly large GUI. I'm a tech person, but more on the hardware side, not software. I'm wondering what software package would be best suited to enable me to generate a web-based help-system. Preferably it takes care of a lot of coding, allowing me to focus on the content. For example, the user would click on a link in the GUI when they have a question, that brings them to a web-based Help Guide, for example, providing an overview of how to use the GUI, perhaps a searchable index (key-word based index), table of contents, etc, for navigating through the Help Guide. My first thought was to program everything in XHTML using Dreamweaver, but my layout requirements are fairly modest (just figures and text, maybe a few equations), and I'd prefer not to spend a lot of time concentrating on the programming. Was wondering if any software existed that made generating web-based navigatable pages easy to create/publish. Again, I'm not really a programmer, so if there's something obvious out there, I'm probably not aware of it. Any advice much appreciated! Thanks in advance.

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• What is Apache Synapse?

  - by Aren B

  My website keeps getting hit by odd requests with the following user-agent string: Mozilla/4.0 (compatible; Synapse) Using our friendly tool Google I was able to determine this is the hallmark calling-card of our friendly neighborhood Apache Synapse. A 'Lightweight ESB (Enterprise Service Bus)'. Now, based on this information I was able to gather, I still have no clue what this tool is used for. All I can tell is that is has something to do with Web-Services, and supports a variety of protocols. The Info page only leads me to conclude it has something to do with proxies, and web-services. The problem I've run into is that while normally I wouldn't care, we're getting hit quite a bit by Russian IPs (not that russian's are bad, but our site is pretty regionally specific), and when they do they're shoving wierd (not xss/malicious at least not yet) values into our query string parameters. Things like &PageNum=-1 or &Brand=25/5/2010 9:04:52 PM. Before I go ahead and block these ips/useragent from our site, I'd like some help understanding just what is going on. Any help would be greatly appreciated :)

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• Changing the interface language in Windows 7 Home Premium

  - by Cristián Romo

  A friend of mine has recently purchased a laptop in the U.S. that has Windows 7 Home Premium on it with an English interface. Not being a native English speaker, I'm trying to change the interface language to traditional Chinese. I've looked through the Control Panel in search of something that might let me change the interface language. Naturally, I looked at the Region and Language section and managed to change the formats the computer uses and install a working keyboard, but I haven't found a way to change the interface language. Upon doing some research, I found out that there are two kinds of interface packs, Multilingual User Interface (MUI) and Language Interface Packs (LIP). It seems that MUIs can only be installed through Windows Update, so I looked through the list of updates. To my dismay, the language packs are not present. The optional updates tab doesn't even show up. Many sites show a drop down menu the under Keyboards and Languages tab in the Region and Language options, yet it doesn't show up for me. We also don't have the Windows 7 DVD which might contain this useful file. As far as the LIPs go, I can't find one in Chinese at all, let alone traditional Chinese. Can the interface language be changed in Home Premium at all? If it can, how would I do so?

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• Vista - Profile not Loaded Correctly (Cannot Access Registry)

  - by Geoff

  Every so often, I log on and get the Following Message: User profile was not loaded correctly. You have been logged on with a temporary profile. Changes you make to this profile will be lost when you log off. Please see the event log for details or contact your administrator This almost always happens when somebody else has been on the computer for a while, and then I log on. This never used to happen, but now it happens pretty often. My profile is not permanently corrupted, all I have to do is restart my computer, but this annoys me, and I would like to fix it. I was curios about the reason of this cause, so I looked into the Event Log, and found the root of the problem was the ntuser.dat file in the profile that I was logging on to was locked at logon time. This resulted in the current users registry not being loaded, resulting in failure to load the profile. What could be locking this file? is there any way to get a process list without logging on so that I can identify which process has the file locked? Any other suggestions. Hopefully I can find a solution.

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• Why do I have three My Documents folders?

  - by root45

  I'm trying to fix my profile on Windows 7. Currently %USERPROFILE% points to C:\Users\myUsername My Documents is also at C:\Users\myUsername \\profileServer\profiles$\myUsername has TWO "My Documents" folders Neither of these folders contain what's in C:\Users\myUsername\My Documents Navigating to %USERPROFILE% in Windows Explorer displays two copies of everything, one local and one copy from the server. Programs use sort of a toss up between C:\Users\myUsername\My Documents or one of the two My Documents on profileServer. According to our sysadmins, My Documents is supposed to point to the profile server, but other folders should be local. How can I fix this so I have ONE copy of everything, with My Documents pointing to \\profileServer\profiles$\myUsername\Documents and everything else local? To be honest, I don't understand why this is so difficult and confusing. For example, why does Windows allow displaying two folders with the same name in the same directory? And why does inputting C:\Users\myUsername and %USERPROFILE% into Windows Explorer produce two different results? They should be identical. Some screenshots My directory on the profileServer My local user directory, C:\Users\myUsername Navigating to %USERPROFILE% in Windows Explorer Showing that %USERPROFILE% is set to a local directory

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• SFTP access without hassle

  - by enobayram

  I'm trying to provide access to a local folder for someone over the internet. After googling around a bit, I've come to the conclusion that SFTP is the safest thing to expose through the firewall to the chaotic and evil world of the Internet. I'm planning to use the openssh-server to this end. Even though I trust that openssh will stop a random attacker, I'm not so sure about the security of my computer once someone is connected through ssh. In particular, even if I don't give that person's user account any privileges whatsoever, he might just be able to "su" to, say, "nobody". And since I was never worried about such things before, I might have given some moderate privileges to nobody at some point (not sudo rights surely!). I would of course value your comments about giving privileges to nobody in the first place, but that's not the point, really. My aim is to give SFTP access to someone in such a sandboxed state that I shouldn't need to worry about such things (at least not more so than I should have done before). Is this really possible? Am I speaking nonsense or worried in vain?

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• Profile not loaded correctly (Cannot access registry)

  - by xaav

  Every so often, I log on and get the Following Message: User profile was not loaded correctly. You have been logged on with a temporary profile. Changes you make to this profile will be lost when you log off. Please see the event log for details or contact your administrator This almost always happens when somebody else has been on the computer for a while, and then I log on. This never used to happen, but now it happens pretty often. My profile is not permanently corrupted, all I have to do is restart my computer, but this annoys me, and I would like to fix it. I was curios about the reason of this cause, so I looked into the Event Log, and found the root of the problem was the ntuser.dat file in the profile that I was logging on to was locked at logon time. This resulted in the current users registry not being loaded, resulting in failure to load the profile. I just found a microsoft article that mentions this exact issue: http://support.microsoft.com/kb/960464/ The problem is that I do not want to delete this profile; and this issue does not come up every time that I log on, only when somebody else has been on a long time before me. What could be locking this file? Is there any way to get a process list without logging on so that I can identify which process has the file locked? Any other suggestions?

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• Windows Azure Mobile Services: New support for iOS apps, Facebook/Twitter/Google identity, Emails, SMS, Blobs, Service Bus and more

  - by ScottGu

  A few weeks ago I blogged about Windows Azure Mobile Services - a new capability in Windows Azure that makes it incredibly easy to connect your client and mobile applications to a scalable cloud backend. Earlier today we delivered a number of great improvements to Windows Azure Mobile Services.  New features include: iOS support – enabling you to connect iPhone and iPad apps to Mobile Services Facebook, Twitter, and Google authentication support with Mobile Services Blob, Table, Queue, and Service Bus support from within your Mobile Service Sending emails from your Mobile Service (in partnership with SendGrid) Sending SMS messages from your Mobile Service (in partnership with Twilio) Ability to deploy mobile services in the West US region All of these improvements are now live in production and available to start using immediately. Below are more details on them: iOS Support This week we delivered initial support for connecting iOS based devices (including iPhones and iPads) to Windows Azure Mobile Services.  Like the rest of our Windows Azure SDK, we are delivering the native iOS libraries to enable this under an open source (Apache 2.0) license on GitHub.  We’re excited to get your feedback on this new library through our forum and GitHub issues list, and we welcome contributions to the SDK. To create a new iOS app or connect an existing iOS app to your Mobile Service, simply select the “iOS” tab within the Quick Start view of a Mobile Service within the Windows Azure Portal – and then follow either the “Create a new iOS app” or “Connect to an existing iOS app” link below it: Clicking either of these links will expand and display step-by-step instructions for how to build an iOS application that connects with your Mobile Service: Read this getting started tutorial to walkthrough how you can build (in less than 5 minutes) a simple iOS “Todo List” app that stores data in Windows Azure.  Then follow the below tutorials to explore how to use the iOS client libraries to store data and authenticate users. Get Started with data in Mobile Services for iOS Get Started with authentication in Mobile Services for iOS Facebook, Twitter, and Google Authentication Support Our initial preview of Mobile Services supported the ability to authenticate users of mobile apps using Microsoft Accounts (formerly called Windows Live ID accounts).  This week we are adding the ability to also authenticate users using Facebook, Twitter, and Google credentials.  These are now supported with both Windows 8 apps as well as iOS apps (and a single app can support multiple forms of identity simultaneously – so you can offer your users a choice of how to login). The below tutorials walkthrough how to register your Mobile Service with an identity provider: How to register your app with Microsoft Account How to register your app with Facebook How to register your app with Twitter How to register your app with Google The tutorials above walkthrough how to obtain a client ID and a secret key from the identity provider. You can then click on the “Identity” tab of your Mobile Service (within the Windows Azure Portal) and save these values to enable server-side authentication with your Mobile Service: You can then write code within your client or mobile app to authenticate your users to the Mobile Service.  For example, below is the code you would write to have them login to the Mobile Service using their Facebook credentials: Windows Store App (using C#): var user = await App.MobileService                     .LoginAsync(MobileServiceAuthenticationProvider.Facebook); iOS app (using Objective C): UINavigationController *controller = [self.todoService.client     loginViewControllerWithProvider:@"facebook"     completion:^(MSUser *user, NSError *error) {        //... }]; Learn more about authenticating Mobile Services using Microsoft Account, Facebook, Twitter, and Google from these tutorials: Get started with authentication in Mobile Services for Windows Store (C#) Get started with authentication in Mobile Services for Windows Store (JavaScript) Get started with authentication in Mobile Services for iOS Using Windows Azure Blob, Tables and ServiceBus with your Mobile Services Mobile Services provide a simple but powerful way to add server logic using server scripts. These scripts are associated with the individual CRUD operations on your mobile service’s tables. Server scripts are great for data validation, custom authorization logic (e.g. does this user participate in this game session), augmenting CRUD operations, sending push notifications, and other similar scenarios.   Server scripts are written in JavaScript and are executed in a secure server-side scripting environment built using Node.js.  You can edit these scripts and save them on the server directly within the Windows Azure Portal: In this week’s release we have added the ability to work with other Windows Azure services from your Mobile Service server scripts.  This is supported using the existing “azure” module within the Windows Azure SDK for Node.js.  For example, the below code could be used in a Mobile Service script to obtain a reference to a Windows Azure Table (after which you could query it or insert data into it):     var azure = require('azure');     var tableService = azure.createTableService("<< account name >>",                                                 "<< access key >>"); Follow the tutorials on the Windows Azure Node.js dev center to learn more about working with Blob, Tables, Queues and Service Bus using the azure module. Sending emails from your Mobile Service In this week’s release we have also added the ability to easily send emails from your Mobile Service, building on our partnership with SendGrid. Whether you want to add a welcome email upon successful user registration, or make your app alert you of certain usage activities, you can do this now by sending email from Mobile Services server scripts. To get started, sign up for SendGrid account at http://sendgrid.com . Windows Azure customers receive a special offer of 25,000 free emails per month from SendGrid. To sign-up for this offer, or get more information, please visit http://www.sendgrid.com/azure.html . One you signed up, you can add the following script to your Mobile Service server scripts to send email via SendGrid service:     var sendgrid = new SendGrid('<< account name >>', '<< password >>');       sendgrid.send({         to: '<< enter email address here >>',         from: '<< enter from address here >>',         subject: 'New to-do item',         text: 'A new to-do was added: ' + item.text     }, function (success, message) {         if (!success) {             console.error(message);         }     }); Follow the Send email from Mobile Services with SendGrid tutorial to learn more. Sending SMS messages from your Mobile Service SMS is a key communication medium for mobile apps - it comes in handy if you want your app to send users a confirmation code during registration, allow your users to invite their friends to install your app or reach out to mobile users without a smartphone. Using Mobile Service server scripts and Twilio’s REST API, you can now easily send SMS messages to your app.  To get started, sign up for Twilio account. Windows Azure customers receive 1000 free text messages when using Twilio and Windows Azure together. Once signed up, you can add the following to your Mobile Service server scripts to send SMS messages:     var httpRequest = require('request');     var account_sid = "<< account SID >>";     var auth_token = "<< auth token >>";       // Create the request body     var body = "From=" + from + "&To=" + to + "&Body=" + message;       // Make the HTTP request to Twilio     httpRequest.post({         url: "https://" + account_sid + ":" + auth_token +              "@api.twilio.com/2010-04-01/Accounts/" + account_sid + "/SMS/Messages.json",         headers: { 'content-type': 'application/x-www-form-urlencoded' },         body: body     }, function (err, resp, body) {         console.log(body);     }); I’m excited to be speaking at the TwilioCon conference this week, and will be showcasing some of the cool scenarios you can now enable with Twilio and Windows Azure Mobile Services. Mobile Services availability in West US region Our initial preview of Windows Azure Mobile Services was only supported in the US East region of Windows Azure.  As with every Windows Azure service, overtime we will extend Mobile Services to all Windows Azure regions. With this week’s preview update we’ve added support so that you can now create your Mobile Service in the West US region as well: Summary The above features are all now live in production and are available to use immediately.  If you don’t already have a Windows Azure account, you can sign-up for a free trial and start using Mobile Services today. Visit the Windows Azure Mobile Developer Center to learn more about how to build apps with Mobile Services. We’ll have even more new features and enhancements coming later this week – including .NET 4.5 support for Windows Azure Web Sites.  Keep an eye out on my blog for details as new features become available. Hope this helps, Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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• ASP.NET MVC: Using ProfileRequiredAttribute to restrict access to pages

  - by DigiMortal

  If you are using AppFabric Access Control Services to authenticate users when they log in to your community site using Live ID, Google or some other popular identity provider, you need more than AuthorizeAttribute to make sure that users can access the content that is there for authenticated users only. In this posting I will show you hot to extend the AuthorizeAttribute so users must also have user profile filled. Semi-authorized users When user is authenticated through external identity provider then not all identity providers give us user name or other information we ask users when they join with our site. What all identity providers have in common is unique ID that helps you identify the user. Example. Users authenticated through Windows Live ID by AppFabric ACS have no name specified. Google’s identity provider is able to provide you with user name and e-mail address if user agrees to publish this information to you. They both give you unique ID of user when user is successfully authenticated in their service. There is logical shift between ASP.NET and my site when considering user as authorized. For ASP.NET MVC user is authorized when user has identity. For my site user is authorized when user has profile and row in my users table. Having profile means that user has unique username in my system and he or she is always identified by this username by other users. My solution is simple: I created my own action filter attribute that makes sure if user has profile to access given method and if user has no profile then browser is redirected to join page. Illustrating the problem Usually we restrict access to page using AuthorizeAttribute. Code is something like this. [Authorize] public ActionResult Details(string id) {     var profile = _userRepository.GetUserByUserName(id);     return View(profile); } If this page is only for site users and we have user profiles then all users – the ones that have profile and all the others that are just authenticated – can access the information. It is okay because all these users have successfully logged in in some service that is supported by AppFabric ACS. In my site the users with no profile are in grey spot. They are on half way to be users because they have no username and profile on my site yet. So looking at the image above again we need something that adds profile existence condition to user-only content. [ProfileRequired] public ActionResult Details(string id) {     var profile = _userRepository.GetUserByUserName(id);     return View(profile); } Now, this attribute will solve our problem as soon as we implement it. ProfileRequiredAttribute: Profiles are required to be fully authorized Here is my implementation of ProfileRequiredAttribute. It is pretty new and right now it is more like working draft but you can already play with it. public class ProfileRequiredAttribute : AuthorizeAttribute {     private readonly string _redirectUrl;       public ProfileRequiredAttribute()     {         _redirectUrl = ConfigurationManager.AppSettings["JoinUrl"];         if (string.IsNullOrWhiteSpace(_redirectUrl))             _redirectUrl = "~/";     }              public override void OnAuthorization(AuthorizationContext filterContext)     {         base.OnAuthorization(filterContext);           var httpContext = filterContext.HttpContext;         var identity = httpContext.User.Identity;           if (!identity.IsAuthenticated || identity.GetProfile() == null)             if(filterContext.Result == null)                 httpContext.Response.Redirect(_redirectUrl);          } } All methods with this attribute work as follows: if user is not authenticated then he or she is redirected to AppFabric ACS identity provider selection page, if user is authenticated but has no profile then user is by default redirected to main page of site but if you have application setting with name JoinUrl then user is redirected to this URL. First case is handled by AuthorizeAttribute and the second one is handled by custom logic in ProfileRequiredAttribute class. GetProfile() extension method To get user profile using less code in places where profiles are needed I wrote GetProfile() extension method for IIdentity interface. There are some more extension methods that read out user and identity provider identifier from claims and based on this information user profile is read from database. If you take this code with copy and paste I am sure it doesn’t work for you but you get the idea. public static User GetProfile(this IIdentity identity) {     if (identity == null)         return null;       var context = HttpContext.Current;     if (context.Items["UserProfile"] != null)         return context.Items["UserProfile"] as User;       var provider = identity.GetIdentityProvider();     var nameId = identity.GetNameIdentifier();       var rep = ObjectFactory.GetInstance<IUserRepository>();     var profile = rep.GetUserByProviderAndNameId(provider, nameId);       context.Items["UserProfile"] = profile;       return profile; } To avoid round trips to database I cache user profile to current request because the chance that profile gets changed meanwhile is very minimal. The other reason is maybe more tricky – profile objects are coming from Entity Framework context and context has also HTTP request as lifecycle. Conclusion This posting gave you some ideas how to finish user profiles stuff when you use AppFabric ACS as external authentication provider. Although there was little shift between us and ASP.NET MVC with interpretation of “authorized” we were easily able to solve the problem by extending AuthorizeAttribute to get all our requirements fulfilled. We also write extension method for IIdentity that returns as user profile based on username and caches the profile in HTTP request scope.

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• Register for a free webcast presented by ISC2: Identity Auditing Techniques for Reducing Operational Risk and Internal Delays

  - by Darin Pendergraft

  Join us tomorrow, June 26 @ 10:00 am PST for Part 1 of a 3 part security series co-presented by ISC2 Part 1 will deal focus on Identity Auditing techniques and will be delivered by Neil Gandhi, Principal Product Manager at Oracle and Brandon Dunlap, Managing Director at Brightfly Register for Part 1: Identity Auditing Techniques for Reducing Operational Risk and Internal Delays ... Part 2 will focus on how mobile device access is changing the performance and workloads of IDM directory systems and will be delivered by Etienne Remillon, Senior Principal Product Manager at Oracle, and Brandon Dunlap, Managing Director at Brightfly Register for Part 2: Optimizing Directory Architecture for Mobile Devices and Applications ... Finally, Part 3 will focus on what you need to do to support native mobile communications and security protocols and will be presented by Sid Mishra, Senior Principal Product Manager at Oracle, and Brandon Dunlap, Managing Director at Brightfly. Register for Part 3: Using New Design Patterns to Improve Mobile Access Control Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• [Oracle Identity Manager] 11g R2 Bundle Patch 09 is Available!

  - by mustafakaya

  Oracle Identity Manager Bundle Patch 09 is available now. You can download BP09 from here. Also,there is a important recommendation for BP08!  List of bugs fixed with BP09; Bug:12699224 : Trusted source reconciliation fails to create users with many reconciliation field mappings. Bug:14407437 : Provisioning through bulk request inserts null records into child tables. Bug:14493217 : Target resource reconciliation throws ORA-06512 error when the Descriptive field is mapped to a field that does not have a reconciliation field mapping. Bug:16044671 : User form customization fails if a UDF contains invalid character. Bug:16545968 : Modifying any attribute on a service account changes the account type as a primary account. Bug:16562633 : Oracle Identity Manager throws javax.el.elexceptions while viewing profile under direct report. Bug:16662834 : User not reprovisoned after user is deleted and created in the target with the same orclguid. Bug:16662905 : If an LOV field is required on an Application Instance form, no validation is enforced on the LOV field although it is required. Bug:16701873 : The Members tab of a role displays only enabled users and does not display disabled users. Bug:16862846 : When a notification is being sent, the mail ID in the Reply To field is set as the recipient's mail ID instead of the sender's mail ID. Bug:16824062 : When you use API to fetch or delete child data from an account, the child data row value is null. Therefore, child data is not returned. Bug:16912736 : There is a performance issue when the provisioned application instance details is opened for a user.

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