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• Login system and sessions (php)

  - by Jonathan

  I've created a login page and registration page and now I want to use that to password protect pages and have pages which show information specific to that user. Would storing the user ID of the user logged in in a Session variable be a safe and correct way of doing this? How easy would it be for a user to change the session variable to a different ID and access another user's information, and not having to type the users login details in?

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• Does http and https will share the same sessions

  - by harigm

  I am building a web application and I need to know whether I can share the Same session or not between http or https?

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• Django - Weird behaviour of sessions variables with Apache

  - by Étienne Loks

  In a Menu class with Section children, each Section has an available attribute. This attribute is initialized during the instance creation. The process of getting the availability is not trivial, so I stock a Menu instance for each user in a session variable. With the Django embedded webserver this works well. But when I deploy the application on an Apache webserver I can observe a very weird behavior. Once authentified, a click on a link or a refreshment of the page and the availability of each Section seems to be forgotten (empty menu but in the log file I can see that all Sections are here) then a new refresh on the page the availability is back, a new refresh the menu disappears once again, etc. There is no cache activated on the web server. The menu is initialized in a context processor. def get_base_context(request): if 'MENU' not in request.session or \ not request.session['MENU'].childs or\ request.session['MENU'].user != request.user: _menu = Menu(request.user) _menu.init() request.session['MENU'] = _menu (...) I have no idea what could cause such a behavior. Any clue?

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• Persistent UDP sessions on Android

  - by Wedgeski

  I have a client-server app which requires me to maintain a persistent session over UDP. The goal is to maintain a path from the server to the mobile Android device no matter what route it has to the internet (WiFi or mobile network). This is achieved using a proprietary, well-tested session-management protocol over UDP. I need the phone to be able to maintain, say, a five-minute keep-alive with the server at all times. Ideally I would like to do this without maintaining any wake-locks on the device. I don't want the screen to light up every time I send a UDP to the server, for example, and I don't want to have a damaging effect on battery usage. Has anyone addressed this problem?

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• Form POST or sessions?

  - by eddienotizzard

  If you have an item where you allow users to add comments, how can you pass which item the user is replying too? I've though of using a hidden field in a form, however this can be easily changed using plugins such as firebug: <form method="post" action="blah"> <input type="hidden" name="item_id" value="<?php echo $item_id; ?>"> <!-- other form data here --> <input type="submit" name="submit"> </form> Or just simply using a session: $_SESSION['item_id'] = $item_id Is there a safe way to send the item data in a form?

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• Saving variables (not sessions)

  - by james.bcn

  This may be a silly question, but how do I save variables that are not specific to a particular session. An simple example of why you might want to do this would be a visitor counter - a number that increases by one each time someone visits a web page (note - I'm not actually doing that, my application is different, but that is the functionality I need). The only ways I can think of doing this are either writing the variables to a file, or putting the variables into a database. Both seem a bit inelegant. Is there a better way to to this kind of thing?

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• Multiple sessions or one?

  - by user1314285

  I am using a security token for a form, the form is dynamically built depending on selection through jquery. So the form is called quite a lot and different tokens created every-time. So.. if the same user calls the form 3 times the session would be rewritten? Would it help at all to check if the token exists and not create one unless its empty? or perhaps someone knows of a good way to work with form tokens? If 3 users are on then the token is created 3 times with different values, right? If I check for the token and 3 users are on then the session is created 3 times with the same values?

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• Seeking enlightenment - global variables in AppEngine (aeoid.get_current_user())

  - by jerd

  Hello This may be a 'Python Web Programming 101' question, but I'm confused about some code in the aeoid project (http://github.com/Arachnid/aeoid). here's the code: _current_user = None def get_current_user(): """Returns the currently logged in user, or None if no user is logged in.""" global _current_user if not _current_user and 'aeoid.user' in os.environ: _current_user = User(None, _from_model_key=os.environ['aeoid.user']) return _current_user But my understanding was that global variables were, ehm, global! And so different requests from different users could (potentially) access and update the same value, hence the need for sessions, in order to store per-user, non-global variables. So, in the code above, what prevents one request from believing the current user is the user set by another request? Sorry if this is basic, it's just not how i thought things worked. Thanks

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• WCF: How to detect new connections to WCF PerSession services ?

  - by Christian Toma

  I have a self-hosted WCF service with the InstanceContextMode set to PerSession. How can I detect new client connections (sessions) to my service from the host application and use that new session context to observe my service trough its events? Something like: [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)] public class MyService : IMyService { public event EventHandler ClientRegistered; public event EventHandler FileUploaded; } and from my host application to be able to do: ServiceHost svc = new ServiceHost(typeof(MyService)); svc.Open(); // something like: svc.NewSession += new EventHandler(...) //... public void SessionHandler(InstanceContext SessionContext) { MySessionHandler NewSessionHandler = new MySessionHandler(SessionContext); // From MySessionHandler I handle the service's events (FileUploaded, ClientRegistered) // for this session and notify the UI of any changes. NewSessionHandler.Handle(); }

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• How to communicate/share a session between pages over HTTP and HTTPS

  - by spirytus

  What is common practice for coding web applications where part of the site has to be secured (e.g. checkout section) and part not necessarily, let's say homepage? As far as I know sharing sessions in between HTTP and HTTPS parts of the site is not easily possible (or is it?). What would be common approach if I wanted to display on HTTP page like homepage, shopping cart data (items) that users ordered on HTTPS pages? How those two parts of the site would communicate if necessary? Also isn't it security flaw in popular shopping carts as it seems that many of these have only checkout pages secured (SSL) and the rest not? I'm using PHP if it makes any difference.

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• Pass errors in Django using HttpResponseRedirect

  - by JPC

  I know that HttpResponseRedirect only takes one parameter, a URL. But there are cases when I want to redirect with an error message to display. I was reading this post: How to pass information using an http redirect (in Django) and there were a lot of good suggestions. I don't really want to use a library that I don't know how works. I don't want to rely on messages which, according to the Django docs, is going to be removed. I thought about using sessions. I also like the idea of passing it in a URL, something like: return HttpResponseRedirect('/someurl/?error=1') and then having some map from error code to message. Is it good practice to have a global map-like structure which hard codes in these error messages or is there a better way? Or should I just use a session EDIT: I got it working using a session. Is that a good practice to put things like this in the session?

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• Using memcached/APC for session storage?

  - by Industrial

  Hi everybody, I had some thoughts back ago about using memcached for session storage, but came to the conclusion that it wouldn't be sufficient in the event of one or more of the servers in the memcached pool were about to go down. A hybrid version is to save the main database (mySQL) from load caused by reads would be to work out a function that tries to fetch the data from the cache pool, and if that fails gets it from the database. After putting some more thought into it, I started to think about using APC cache for session related data. If our web server would go down, sessions would be lost either way, so storing them in a local APC or a localhost memcached server maybe isn't that bad? What's your experiences?

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• WCF Reliable Session Timeout

  - by RemotecUk

  Hi, when do reliable sessions time out? My session class is defined as follows: [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession, ConcurrencyMode = ConcurrencyMode.Multiple)] and in my app.config... <bindings> <netTcpBinding> <binding name="FTS_netTcpBinding"> <reliableSession enabled="true" inactivityTimeout="00:00:30"/> </binding> </netTcpBinding> </bindings> I have put a timer in the constructor of my session class that simply outputs a count (1..2..3...) to the console for every second the session is active. I have tested it so far by faulting my channel. I would have imagined that the session class would have died after ~30 seconds (as specified in my inactivityTimeout parameter) and hence the timer would have died. However it was still going after a minute. Each session on my app will have significant resources so I need to make sure that they are cleaned up when something goes wrong. Thanks.

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• PHP cookies in a session handler

  - by steve

  I have run into a very interesting problem trying to debug my custom php session handler. For some reason unknown to me I can set cookies all the way through the session handler right up until the very start of the write function. As far as I know session handler calls go in this order. open - read - write - close The open function sets a cookie just fine. function open($save_path,$session_name) { require_once('database.php'); require_once('websiteinfo.php'); mysql_connect($sqllocation,$sql_session_user,$sql_session_pass); @mysql_select_db($sql_default_db); date_default_timezone_set('America/Los_Angeles'); setcookie("test","test"); return TRUE; } The read function can set a cookie right up until the very moment it returns a value. function read($session_id) { $time = time(); $query = "SELECT * FROM 'sessions' WHERE 'expires' > '$time'"; $query_result = mysql_query($query); $data = ''; /* fetch the array and start sifting through it */ while($session_array = mysql_fetch_array($query_result)) { /* strip the slashes from the session array */ $session_array = $this->strip($session_array); /* authenticate the user and if so return the session data */ if($this->auth_check($session_array,$session_id)) { $data = $session_array['data']; } } setcookie("testcookie1","value1",time()+1000,'/'); return $data; } The very first line of the write function is setting another cookie and it cannot because the headers are already sent. Any ideas anyone? Thanks in advance

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• Sessions enabled - do we have to clean them up ourselves?

  - by user246114

  Hi, When we turn sessions on in google app engine like: // appengine-web.xml <sessions-enabled>true</sessions-enabled> does app engine automatically clean up expired sessions, or do we have to do it ourselves? After turning them on, I see in the datastore that some entries are being generated like _ah_session, I'm wondering if those are them? Thanks

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• How to run 2 X sessions with different display managers?

  - by ved2254

  I read about the virtual terminals a little and that gave me an idea. I searched for a way to have two X sessions simultaneously. I had a look at these sites : 1. How to run multiple user X sessions on the same computer, at the same time? 2. How to drag windows between 2 X servers? I tried startx -- :1 but my earlier terminal (on Ctrl+Alt+F7) hung up. How do I ensure this does not happen? My main need is to get Unity on :0 and Gnome-shell on :1 and switch between them like workspaces. As per 2., switching is not recommended as it is not easy. But if I get at least 1., then I'd be happy. I have Ubuntu 12.04 64bit.

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• Ajax progress with PHP session

  - by FFish

  I have an app that processes images and use jQuery to display progress to the user. I done this with writing to a textfile each time and image is processed and than read this status with a setInterval. Because no images are actually written in the processing (I do it in PHP's memory) I thought a log.txt would be a solution, but I am not sure about all the fopen and fread's. Is this prone to issues? I tried also with PHP sessions, but can't seem to get it to work, I don't get why.. HTML: <a class="download" href="#">request download</a> <p class="message"></p> JS: $('a.download').click(function() { var queryData = {images : ["001.jpg", "002.jpg", "003.jpg"]}; $("p.message").html("initializing..."); var progressCheck = function() { $.get("dynamic-session-progress.php", function(data) { $("p.message").html(data); } ); }; $.post('dynamic-session-process.php', queryData, function(intvalId) { return function(data) { $("p.message").html(data); clearInterval(intvalId); } } (setInterval(progressCheck, 1000)) ); return false; }); process.php: // session_start(); $arr = $_POST['images']; $arr_cnt = count($arr); $filename = "log.txt"; for ($i = 1; $i <= $arr_cnt; $i++) { $content = "processing $val ($i/$arr_cnt)"; $handle = fopen($filename, 'w'); fwrite($handle, $content); fclose($handle); // $_SESSION['counter'] = $content; sleep(3); // to mimic image processing } echo "<a href='#'>download zip</a>"; progress.php: // session_start(); $filename = "log.txt"; $handle = fopen($filename, "r"); $contents = fread($handle, filesize($filename)); fclose($handle); echo $contents; // echo $_SESSION['counter'];

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• Oracle ADF 11g - Einladung zu den News Online Sessions - n&auml;chster Termin: 18. M&auml;rz 2011

  - by heidrun.walther

  Was ist ADF? ADF steht für Oracle Application Develoment Framework. ADF setzt die JEE Standards um und erweitert deren Funktionalität insbesondere im Hinblick auf die Vielzahl der zur Verfügung gestellten Komponenten (insbesondere im Hinblick auf die Visualisierung) und im Bereich der Ablaufsteuerung (Taskflows ersetzen Pageflows). ADF ist einer der Bausteine, auf denen die Entwicklung aller neuen Oracle Anwendungssysteme beruht (inkl. Vertical Solutions und der Administrationswerkzeuge). Das verwendete Entwicklungswerkzeug ist der Oracle JDeveloper. Rapid Application Development (RAD) wird durch eine deklarative, Metadaten getriebene Entwicklung ermöglicht, die auf allen Ebenen in starkem Maße mit Templating (also der Möglichkeit, mit vorgegebenen Mustern zu arbeiten) und mit Wiederverwendbarkeit arbeitet. Entwicklung und Dokumentation erfolgen in einem Schritt. ADF arbeitet nahtlos mit den anderen Oracle SOA Werkzeugen zusammen und bringt ein Rollen-/ Policy getriebenes Zugriffssystem mit. Es ist in das Oracle Identity Management integrierbar. ADF News Online Sessions? Die ADF News Online Sessions geben Tipps von Anwendern/Entscheidern für Anwender/Entscheider und bieten einen Ideenaustausch für den Einsatz von ADF bzw. für die Umsetzung von ADF Projekten. Die jeweiligen  Referenten sind Mitarbeiter von Oracle Partnerunternehmen und Oracle ADF-Spezialisten. Hier die Inhalte derVierte News-Staffel: 18.02.11 - Managing Migrationsprojekte: Forms - ADF / Erfahrungsbericht 04.03.11 - Using Groovy in Oracle ADF Business Components (english) 18.03.11 - Taskflow orientierte Entwicklung mit UI Shell 01.04.11 - erste Konzept, Überblick, Integration Desktop ADF 15.04.11 - ADF Best Practice: ADF BC Strukturierung 29.04.11 - Anpassung von ADF Anwendungen zur Laufzeit (Endanwender) mit Oracle WebCenter Sie erhalten die Einwahldaten für die jeweilige Session, wenn Sie sich entweder in den Mailverteiler aufnehmen lassen (Mail an [email protected]) oder über die ADF Community Seiten auf XING, indem Sie sich für die betreffende Session anmelden. Oracle ADF Community? Die Oracle ADF Community setzt sich das Ziel, Informationen und Erfahrungen zu Oracle ADF auszutauschen und damit die Entwicklungs-Plattform Oracle Application Development Framework (ADF) unter Entwicklern, Anwendern und IT-Dienstleistern bekannter zu machen. Sie sind herzlich eingeladen, sich aktiv daran zu beteiligen. Mehr unter ADF Community Gruppe auf Xing

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• How to make game sessions like "with friends" games?

  - by Miguel lugo

  I want to make a game like "words with friends" or "chess with friends" or "Draw Something" or any of the other online multiplayer type games that are based around friends having game sessions with each other. I have made one app before that had no online features so I know the basics of objective-C and xCode. I looked up facebook connect so I know how to make friends find other friends to play with through Facebook. Just not how to make the gaming session. I only need my game to send a small array (or XML if it's better) of strings and integers from one iPhone to the other as each iPhone takes a turn. I'm NOT sending some complex video or anything like in "Draw Something." I was hoping someone could point me in the right direction (whether link to website or book or just a general idea) for how to do gaming sessions between two iPhones. I read this tutorial http://www.raywenderlich.com/3932/how-to-create-a-socket-based-iphone-app-and-server but it seems to be more about having two iPhones communicate over a server on a laptop or through the same wifi, not how to have iPhones game together over any Internet connection like in "with friends" games. I've tried to research this in other places but I'm never quite sure if what the articles I find are talking about is related to what I want or not. Someone please just point me in the right direction or give me a general outline of what to do. I will look up the specifics on my own once I know what to look for. Thank you.

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• PHP alternative to session_is_registered

  - by Mauro74

  Hi all, does anyone knows the alternative to the deprecated function session_is_registered in PHP5? here's my code: ob_start(); session_start(); if(!session_is_registered(myusername)) { header("location:main_login.php"); } ob_flush(); Thanks, Mauro

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• How to configure a session timeout for Grails application?

  - by curd0

  In one of controllers in my Grails application I'm preserving a parameter value in a session variable like this: session.myVariable = params.myValue After that, I can access the saved value from different controllers/GSP-pages as long as I actively use the app. However, if I don't use my app for a while, even though my browser window is still open, the session variable looses it's value. Does this happens because the session expires? I was under impression that a session lives until the browser window is still open, but apparently I was wrong. What should I do to ensure all session variables I define in my Grails app don't expire until the browser is closed? Is there any way to set session timeout manually? Thank you in advance for your answers!

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• RAILS : authlogic authenication / session error , "session contains objects whose class definition i

  - by Surya

  Session contains objects whose class definition isn\'t available. Remember to require the classes for all objects kept in the session I am trying to integrate http://github.com/binarylogic/authlogic for authentication into my rails application . I follwed all the steps into mentioned in the documentation . Now i seem to be getting this error when i hit a controller . Looks like i am missing something obvious . stacktrace /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:77:in `stale_session_check!' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:61:in `load!' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:28:in `[]' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/session.rb:48:in `session_credentials' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/session.rb:33:in `persist_by_session' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `evaluate_method' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:166:in `call' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:93:in `run' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `each' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `run' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:276:in `run_callbacks' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/callbacks.rb:79:in `persist' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/persistence.rb:55:in `persisting?' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/persistence.rb:39:in `find' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:12:in `current_user_session' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:17:in `current_user' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:30:in `require_no_user' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `evaluate_method' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:166:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:225:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:629:in `run_before_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:615:in `call_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `ms' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:10:in `realtime' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `ms' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/rescue.rb:160:in `perform_action_without_flash' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/flash.rb:146:in `perform_action' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `send' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `process_without_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:606:in `process' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:391:in `process' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:386:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/routing/route_set.rb:437:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:87:in `dispatch' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:121:in `_call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:29:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:29:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:9:in `cache' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:28:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/string_coercion.rb:25:in `call' /Users/suryagaddipati/.gem/ruby/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in `call'

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• RAILS :"session contains objects whose class definition isn\'t available."

  - by Surya

  Session contains objects whose class definition isn\'t available. Remember to require the classes for all objects kept in the session I am trying to integrate http://github.com/binarylogic/authlogic for authentication into my rails application . I follwed all the steps into mentioned in the documentation . Now i seem to be getting this error when i hit a controller . Looks like i am missing something obvious . stacktrace /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:77:in `stale_session_check!' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:61:in `load!' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:28:in `[]' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/session.rb:48:in `session_credentials' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/session.rb:33:in `persist_by_session' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `evaluate_method' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:166:in `call' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:93:in `run' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `each' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:92:in `run' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:276:in `run_callbacks' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/callbacks.rb:79:in `persist' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/persistence.rb:55:in `persisting?' /Library/Ruby/Gems/1.8/gems/authlogic-2.1.3/lib/authlogic/session/persistence.rb:39:in `find' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:12:in `current_user_session' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:17:in `current_user' /Users/suryagaddipati/myprojects/groceryplanner/app/controllers/application_controller.rb:30:in `require_no_user' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `send' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:178:in `evaluate_method' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/callbacks.rb:166:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:225:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:629:in `run_before_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:615:in `call_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `ms' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:10:in `realtime' /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `ms' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/rescue.rb:160:in `perform_action_without_flash' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/flash.rb:146:in `perform_action' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `send' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `process_without_filters' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:606:in `process' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:391:in `process' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:386:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/routing/route_set.rb:437:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:87:in `dispatch' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:121:in `_call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:29:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:29:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:9:in `cache' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:28:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.5/lib/action_controller/string_coercion.rb:25:in `call' /Users/suryagaddipati/.gem/ruby/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in `call'

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• Best way for allowing subdomain session cookies using Tomcat

  - by Andrew Ingram

  By default tomcat will create a session cookie for the current domain. If you are on www.example.com, your cookie will be created for www.example.com (will only work on www.example.com). Whereas for example.com it will be created for .example.com (desired behaviour, will work on any subdomain of example.com as well as example.com itself). I've seen a few Tomcat valves which seem to intercept the creation of session cookies and create a replacement cookie with the correct .example.com domain, however none of them seem to work flawlessly and they all appear to leave the existing cookie and just create a new one. This means that two JSESSIONID cookies are being sent with each request. I was wondering if anybody has a definitive solution to this problem.

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• PHP: why is this null different from the other null

  - by matthy

  hi i tried 2 things what should be the same however it my testing says different does anyone know why the only thing i do is put it in a variable... if ($_SESSION[$something] === null) echo("this is null"); $_SESSION[$something] does not exists so it indeed says: "this is null". now look at this $theSession = $_SESSION[$something]; if (theSession === null) echo("this is null"); now it does not say "this is null" while it should be exactly the same right?

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