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• josso newbie setup problems - can't use tomcat's manager page

  - by opensas

  I'm trying to setup josso on an apache tomcat server running on windows. I've installed Apache Tomcat/6.0.26 fro zip file to c:\tomcat then installed josso following the documentation at http://www.josso.org/confluence/display/JOSSO1/Quick+Start started tomcat with c:\tomcat\bin\startup.bat, and noticed the following warnings ADVERTENCIA: [SetPropertiesRule]{Server/Service/Engine/Realm} Setting property ' debug' to '1' did not find a matching property. 21/03/2010 15:55:03 org.apache.tomcat.util.digester.SetPropertiesRule begin ADVERTENCIA: [SetPropertiesRule]{Server/Service/Engine/Host/Valve} Setting prope rty 'appName' to 'josso' did not find a matching property. ... ADVERTENCIA: Unable to find required classes (javax.activation.DataHandler and j avax.mail.internet.MimeMultipart). Attachment support is disabled. ... ADVERTENCIA: Bean with key 'josso:type=SSOAuditManager' has been registered as a n MBean but has no exposed attributes or operations ... but then everything seems to work fine, the problem is I can no longer access http://localhost:8080/manager/html using user tomcat /tomcat, as configured in \conf\tomcat-users.xml (before installing josso it worked) I tried with tomcat/tomcatpwd as defined in \lib\josso-credentials.xml and even added tomcat and the manager role to \lib\josso-users.xml, with no luck... Is anybody having the same problem? how can I access tomcat's manager page? Thanks a lot saludos sas This is my config: C:\tomcat\bincatalina version Using CATALINA_BASE: "C:\tomcat" Using CATALINA_HOME: "C:\tomcat" Using CATALINA_TMPDIR: "C:\tomcat\temp" Using JRE_HOME: "c:\java" Using CLASSPATH: "C:\tomcat\bin\bootstrap.jar" Server version: Apache Tomcat/6.0.26 Server built: March 9 2010 1805 Server number: 6.0.26.0 OS Name: Windows XP OS Version: 5.1 Architecture: x86 JVM Version: 1.5.0_22-b03 JVM Vendor: Sun Microsystems Inc ps: moreover, when shutting down, I get a couple of error like this GRAVE: A web application appears to have started a thread named [JOSSOAssertionM onitor] but has failed to stop it. This is very likely to create a memory leak. 21/03/2010 15:57:06 org.apache.catalina.loader.WebappClassLoader clearReferences Threads and then tomcat's shutdown freezes at 21/03/2010 15:57:07 org.apache.coyote.ajp.AjpAprProtocol destroy INFO: Parando Coyote AJP/1.3 en ajp-8009 ps: sorry for this lengthy question...

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• Trouble with Rails has_many relationships

  - by Tchock

  I'm writing an app where a user can both create their own pages for people to post on, and follow posts on pages that users have created. Here is what my model relationships look like at the moment... class User < ActiveRecord::Base has_many :pages has_many :posts has_many :followings has_many :pages, :through => :followings, :source => :user class Page < ActiveRecord::Base has_many :posts belongs_to :user has_many :followings has_many :users, :through => :followings class Following < ActiveRecord::Base belongs_to :user belongs_to :page class Post < ActiveRecord::Base belongs_to :page belongs_to :user The trouble happens when I try to work my way down through the relationships in order to create a homepage of pages (and corresponding posts) a given user is following (similar to the way Twitter's user homepage works when you login - a page that provides you a consolidated view of all the latest posts from the pages you are following)... I get a "method not found" error when I try to call followings.pages. Ideally, I'd like to be able to call User.pages in a way that gets me the pages a user is following, rather than the pages they have created. I'm a programming and Rails newb, so any help would be much appreciated! I tried to search through as much of this site as possible before posting this question (along with numerous Google searches), but nothing seemed as specific as my problem...

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• In Python epoll can I avoid the errno.EWOULDBLOCK, errno.EAGAIN ?

  - by davyzhang

  I wrote a epoll wrapper in python, It works fine but recently I found the performance is not not ideal for large package sending. I look down into the code and found there's actually a LOT of error Traceback (most recent call last): File "/Users/dawn/Documents/workspace/work/dev/server/sandbox/single_point/tcp_epoll.py", line 231, in send_now num_bytes = self.sock.send(self.response) error: [Errno 35] Resource temporarily unavailable and previously silent it as the document said, so my sending function was done this way: def send_now(self): '''send message at once''' st = time.time() times = 0 while self.response != '': try: num_bytes = self.sock.send(self.response) l.info('msg wrote %s %d : %r size %r',self.ip,self.port,self.response[:num_bytes],num_bytes) self.response = self.response[num_bytes:] except socket.error,e: if e[0] in (errno.EWOULDBLOCK,errno.EAGAIN): #here I printed it, but I silent it in normal days #print 'would block, again %r',tb.format_exc() break else: l.warning('%r %r socket error %r',self.ip,self.port,tb.format_exc()) #must break or cause dead loop break except: #other exceptions l.warning('%r %r msg write error %r',self.ip,self.port,tb.format_exc()) break times += 1 et = time.time() I googled it, and says it caused by temporarily network buffer run out So how can I manually and efficiently detect this error instead it goes to exception phase? Because it cause to much time to rasie/handle the exception.

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• Java / Groovy Socket - Detecting the socket being closed in a non-blocking way

  - by John Arrowwood

  I'm trying to create a small HTTP proxy that can re-write the request/headers as needed to suit my requirements. If one already exists, please, point me to it. Otherwise... I've written something that ALMOST works. It can do the proxy function, but not the re-write (yet). Problem is, I can't detect when the remote socket has been closed down without doing a blocking read. It is CRITICAL for the functionality of this thing that it be able to detect the socket being closed without blocking. I have SCOURED the Java API documentation, and I can't find ANY indication that it is even possible. Here's what I have: while ( this.inbound.isConnected() && this.outbound.isConnected() ) { try { while ( ( available = readFromClient.available() ) != 0 ) { if ( available > 1024 ) available = 1024 bytesRead = readFromClient.read( buffer, 0, available ) writeToServer.write( buffer, 0, bytesRead ) } while ( ( available = readFromServer.available() ) != 0 ) { if ( available > 1024 ) available = 1024 bytesRead = readFromServer.read( buffer, 0, available ) writeToClient.write( buffer, 0, bytesRead ) } } catch (e) { print e } println "Connected: " + this.inbound.isConnected() println "Bound: " + this.inbound.isBound() println "InputShutdown: " + this.inbound.isInputShutdown() println "OutputShutdown: " + this.inbound.isOutputShutdown() print "\n"; Thread.sleep( 10 ) } The tests for the socket being closed never indicate that the socket was closed. And, as I mentioned, I can't find ANY examples of how to detect the 'END OF FILE' condition on the stream without doing a blocking read. There HAS to be a way. Does anyone here know what it is?

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• Autocomplete or Select box? (design problem)

  - by Craig Whitley

  I'm working on a comparison website, so needless to say the search function is the primary feature of the site. I have two input text boxes and a search button. At the moment, the input text boxes use Ajax to query the database and show a drop-down box, but I'm wondering if it would be more intuitive to use a select box instead? The second box is dependant on the first, as when the first is selected theres another ajax query so only the available options for the first selection appear in the autocomplete box. Autocomplete Pros: - "Feels" right? - Looks more appealing than a select box (css design)? Cons: - the user has to be instructed on how to use the search (made to think?) - Only really works off the bat with javascript enabled. - The user may get confused if they type in what they want and no box appears (i.e., no results) Select Box Pros: - Can bring up the list of options / know whats there from the outset. - We use select boxes every day (locations etc.) so we're used to how they work. (more intuitive?) Cons: - Can look a little unaesthetic when theres too many options to choose from. I'm thinking maybe at most around 100 options for my site over time. Any thoughts on how I could go about this would be appreciated!

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• CGContext - PDF margin

  - by Manoj Khaylia

  Hi All I am showing PDF content on a view using this code using Quartz Sample // PDF page drawing expects a Lower-Left coordinate system, so we flip the coordinate system // before we start drawing. CGContextTranslateCTM(context, 0.0, self.bounds.size.height); CGContextScaleCTM(context, 1.0, -1.0); // Grab the first PDF page CGPDFPageRef page = CGPDFDocumentGetPage(pdf, pageNo); // We're about to modify the context CTM to draw the PDF page where we want it, so save the graphics state in case we want to do more drawing CGContextSaveGState(context); // CGPDFPageGetDrawingTransform provides an easy way to get the transform for a PDF page. It will scale down to fit, including any // base rotations necessary to display the PDF page correctly. CGAffineTransform pdfTransform = CGPDFPageGetDrawingTransform(page, kCGPDFCropBox, self.bounds, 0, true); // And apply the transform. CGContextConcatCTM(context, pdfTransform); // Finally, we draw the page and restore the graphics state for further manipulations! CGContextDrawPDFPage(context, page); CGContextRestoreGState(context); Using this all works fine I want to set the margin for the PDF context, bydefault it showing 50 px margin in every side.. I have tried CGContext methods but not got the appropriate one. Can any body help me regarding this Thanks Monaj

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• How to check whether a user belongs to an AD group and nested groups?

  - by elsharpo

  hi guys, I have an ASP.NET 3.5 application using Windows Authentication and implementing our own RoleProvider. Problem is we want to restrict access to a set of pages to a few thousand users and rathern than inputing all of those one by one we found out they belong to an AD group. The answer is simple if the common group we are checking membership against the particular user is a direct member of it but the problem I'm having is that if the group is a member of another group and then subsequently member of another group then my code always returns false. For example: Say we want to check whether User is a member of group E, but User is not a direct member of *E", she is a member of "A" which a member of "B" which indeed is a member of E, therefore User is a member of *E" One of the solutions we have is very slow, although it gives the correct answer using (var context = new PrincipalContext(ContextType.Domain)) { using (var group = GroupPrincipal.FindByIdentity(context, IdentityType.Name, "DL-COOL-USERS")) { var users = group.GetMembers(true); // recursively enumerate return users.Any(a => a.Name == "userName"); } } The original solution and what I was trying to get to work, using .NET 3.5 System.DirectoryServices.AccountManagement and it does work when users are direct members of the group in question is as follows: public bool IsUserInGroup(string userName, string groupName) { var cxt = new PrincipalContext(ContextType.Domain, "DOMAIN"); var user = UserPrincipal.FindByIdentity(cxt, IdentityType.SamAccountName, userName); if (user == null) { return false; } var group = GroupPrincipal.FindByIdentity(cxt, groupName); if (group == null) { return false; } return user.IsMemberOf(group); } The bottom line is, we need to check for membership even though the groups are nested in many levels down. Thanks a lot!

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• Using Entity Framework with an SQL Compact Private Installation

  - by David Veeneman

  I am using Entity Framework 4 in a desktop application with SQL Compact. I want to use a private installation of SQL Compact with my application, so that my installer can install SQL Compact without giving the user a second installation to do. It also avoids versioning hassles down the road. My development machine has SQL Compact 3.5 SP1 installed as a public installation, so my app runs fine there, as one would expect. But it's not running on my test machine, which does not have SQL Compact installed. I get this error: The specified store provider cannot be found in the configuration, or is not valid. I know some people have had difficulty with SQL Compact private installations, but I have used them for a while, and I really like them. Unfortunately, my regular private installation approach isn't working. I have checked the version numbers on my SQL CE files, and they are all 3.8.8078.0, which is the SP2 RC version. Here are the files I have included in my private installation: sqlcecompact35.dll sqlceer35EN.dll sqlceme35.dll sqlceqp35.dll sqlcese35.dll System.Data.SqlServerCe.dll System.Data.SqlServerCe.Entity.dll I have added a reference to System.Data.SqlServerCe to my project, and I have verified that all of the files listed above are being copied to the application folder on the installation machine. Here is the code I use to configure an EntityConnectionStringBuilder when I open a SQL Compact file: var sqlCompactConnectionString = string.Format("Data Source={0}", filePath); // Set Builder properties builder.Metadata = string.Format("res://*/{0}.csdl|res://*/{0}.ssdl|res://*/{0}.msl", edmName); builder.Provider = "System.Data.SqlServerCe.3.5"; builder.ProviderConnectionString = sqlCompactConnectionString; var edmConnectionString = builder.ToString(); Am I missing a file? Am I missing a configuration stepp needed to tell Entity Framework where to find my SQL Compact DLLs? Any other suggestions why EF isn't finding my SQL Compact DLLs on the installation machine? Thanks for your help.

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• How to control Dojo FilteringSelect default rendering!?

  - by Nick

  Hi, I have a dojo dijit.filering.select that populates with values from a dojo.data.ItemFileReadStore. Everything is working fine except I would like the filtering select to automatically get populated with the first value in the itemFileReadStore. Currently it is loading them as a list of options that are revealed when you click the down arrow, as per spec. I would instead like filteringSelect to be loaded with the first value. How do I do this? For some reason I cant figure it out. Any help would be hugely appreciated! Kind Regards Nick Frandsen <script type="text/javascript"> function updateOptions(){ var itemId = dijit.byId("item_select").attr("value"); var jsonStore = new dojo.data.ItemFileReadStore({ url: "/options/get-options-json/itemId/" + itemId }); optionSelect.attr("store", jsonStore); } </script> <select dojoType="dijit.form.FilteringSelect" name="option_select" id="option_select" labelAttr="name" required="true" jsId="optionSelect"> </select>

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• ASP.Net RadioButton loses ViewState

  - by Carl

  I'm having trouble with a simple radio set of two radio buttons (I don't want to use a RadioButtonList [RBL] because RBL doesn't allow child controls, and in my case, if you select one option, I want to enable a textbox next to the button; yes you could hack this with jQuery to move the textbox, but that's dirty!). I would check one, submit the form (either explicitly or through AutoPostBack), and the CheckedChanged event would never fire. When the page was reloaded, both buttons would be unchecked, regardless of their initial state on non-postback load or the state before form submission. I took out the checkbox and stripped this down to the simplest example I could come up with. I tossed EnableViewState=true all over the place just in case it was being disabled somewhere I couldn't find. <form id="form1" runat="server" enableviewstate="true"> <div> <asp:RadioButton ID="foo" Text="foo" runat="server" AutoPostBack="true" OnCheckedChanged="rbChanged" Checked="true" GroupName="foobar" EnableViewState="true" /> <asp:RadioButton ID="bar" Text="bar" runat="server" AutoPostBack="true" GroupName="foobar" OnCheckedChanged="rbChanged" Checked="false" EnableViewState="true" /> <asp:Label runat="server" ID="resultLbl" /> </div> </form> protected void rbChanged(object sender, EventArgs e) { if (foo.Checked) resultLbl.Text = "foo is checked"; else if (bar.Checked) resultLbl.Text = "bar is checked"; else resultLbl.Text = "neither is checked"; }

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• QTcpServer not emiting signals

  - by Timothy Baldridge

  Okay, I'm sure this is simple, but I'm not seeing it: HTTPServer::HTTPServer(QObject *parent) : QTcpServer(parent) { connect(this, SIGNAL(newConnection()), this, SLOT(acceptConnection())); } void HTTPServer::acceptConnection() { qDebug() << "Got Connection"; QTcpSocket *clientconnection = this->nextPendingConnection(); connect(clientconnection, SIGNAL(disconnected()), clientconnection, SLOT(deleteLater())); HttpRequest *req = new HttpRequest(clientconnection, this); req->processHeaders(); delete req; } int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); HTTPServer http(0); http.listen(QHostAddress::Any, 8011); qDebug() << "Started: " << http.isListening() << http.serverAddress() << ":" << http.serverPort(); return a.exec(); } According to the docs my acceptConnection() slot should be called whenever there is a new connection. I can connect into this tcp port with a browser or telnet, and I don't get any errors, so I know it's listening, execution never goes to my acceptConnection() function? And yes my objects inherit from QObject, I've just stripped the code down to the essential parts above. There's no build errors....

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• Web scraping etiquette

  - by Ash

  I'm considering writing a simple web scraping application to extract information from a website that does not seem to specifically prohibit this. I've checked for other alternatives (eg RSS, web service) to get this information, but there are none available at this stage. Despite this I've also developed/maintained a few websites myself and so I realize that if web scraping is done naively/greedily it can slow things down for other users and generally become a nuisance. So, what etiquette is involved in terms of: Number of requests per second/minute/hour. HTTP User Agent content. HTTP Referer content. HTTP Cache settings. Buffer size for larger files/resources. Legalities and licensing issues. Good tools or design approaches to use. Robots.txt, is this relevant for web scraping or just crawlers/spiders? Compression such as GZip in requests. Update Found this relevant question on Meta: Etiquette of Screen Scaping StackOverflow. Jeff Atwood's answer has some helpful recommendations. Other related StackOverflow questions: Options for html scraping Legalities of screen scraping

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• How to implement a .net 3-tier architecture using Winforms

  - by Anders Jakobsen

  I have for some time build n-tier Applications using a database server as the data tier, Winforms as the presentation tier and an ASP.NET asmx webservice in the middle to send back and forth untyped Datasets. While this approach has worked for me so far, it certainly does feel outdated today. What technologies should I use if I were to create a similar architectured application today? .net 4.0 technology is welcome. I still want a database server as the datatier and the asmx webservices should probably be replaced by WCF. I would still like to have the presentation tier running as a desktop application (Winforms or WPF) so ignore ASP.net for this question. My main question really comes down to what to use as business objects. I want something that is easier to bind to the interface than untyped Datasets and strongly-typed datasets feels very heavy. I also need something that can track changes to make sure users do not override each other's changes in the database. Will the Entity Framework 4 be usable for a scenario like this? Are there any thorough guides available?

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• Nested Routes and Parameters for Rails URLs (Best Practice)

  - by viatropos

  Hey there, I have a decent understanding of RESTful urls and all the theory behind not nesting urls, but I'm still not quite sure how this looks in an enterprise application, like something like Amazon, StackOverflow, or Google... Google has urls like this: http://code.google.com/apis/ajax/ http://code.google.com/apis/maps/documentation/staticmaps/ https://www.google.com/calendar/render?tab=mc Amazon like this: http://www.amazon.com/books-used-books-textbooks/b/ref=sa_menu_bo0?ie=UTF8&node=283155&pf_rd_p=328655101&pf_rd_s=left-nav-1&pf_rd_t=101&pf_rd_i=507846&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=1PK4ZKN4YWJJ9B86ANC9 http://www.amazon.com/Ruby-Programming-Language-David-Flanagan/dp/0596516177/ref=sr_1_1?ie=UTF8&s=books&qid=1258755625&sr=1-1 And StackOverflow like this: http://stackoverflow.com/users/169992/viatropos http://stackoverflow.com/questions/tagged/html http://stackoverflow.com/questions/tagged?tagnames=html&sort=newest&pagesize=15 So my question is, what is best practice in terms of creating urls for systems like these? When do you start storing parameters in the url, when don't you? These big companies don't seem to be following the rules so hotly debated in the ruby community (that you should almost never nest URLs for example), so I'm wondering how you go about implementing your own urls in larger scale projects because it seems like the idea of not nesting urls breaks down at anything larger than a blog. Any tips?

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• Explicit behavior with checks vs. implicit behavior

  - by Silviu

  I'm not sure how to construct the question but I'm interested to know what do you guys think of the following situations and which one would you prefer. We're working at a client-server application with winforms. And we have a control that has some fields automatically calculated upon filling another field. So we're having a field currency which when filled by the user would determine an automatic filling of another field, maybe more fields. When the user fills the currency field, a Currency object would be retrieved from a cache based on the string introduced by the user. If entered currency is not found in the cache a null reference is returned by the cache object. Further down when asking the application layer to compute the other fields based on the currency, given a null currency a null specific field would be returned. This way the default, implicit behavior is to clear all fields. Which is the expected behavior. What i would call the explicit implementation would be to verify that the Currency object is null in which case the depending fields are cleared explicitly. I think that the latter version is more clear, less error prone and more testable. But it implies a form of redundancy. The former version is not as clear and it implies a certain behavior from the application layer which is not expressed in the tests. Maybe in the lower layer tests but when the need arises to modify the lower layers, so that given a null currency something else should be returned, i don't think a test that says just that without a motivation is going to be an impediment for introducing a bug in upper layers. What do you guys think?

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• dumping the source code for an anonymous function

  - by intuited

  I'm working with a lot of anonymous functions, ie functions declared as part of a dictionary, aka "methods". It's getting pretty painful to debug, because I can't tell what function the errors are happening in. Vim's backtraces look like this: Error detected while processing function NamedFunction..2111..2105: line 1: E730: using List as a String This trace shows that the error occurred in the third level down the stack, on the first line of anonymous function #2105. IE NamedFunction called anonymous function #2111, which called anonymous function #2105. NamedFunction is one declared through the normal function NamedFunction() ... endfunction syntax; the others were declared using code like function dict.func() ... endfunction. So obviously I'd like to find out which function has number 2105. Assuming that it's still in scope, it's possible to find out what Dictionary entry references it by dumping all of the dictionary variables that might contain that reference. This is sort of awkward and it's difficult to be systematic about it, though I guess I could code up a function to search through all of the loaded dictionaries for a reference to that function, watching out for circular references. Although to be really thorough, it would have to search not only script-local and global dictionaries, but buffer-local dictionaries as well; is there a way to access another buffer's local variables? Anyway I'm wondering if it's possible to dump the source code for the anonymous function instead. This would be a lot easier and probably more reliable.

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• Partial specialization with reference template parameter fails to compile in VS2005

  - by Blair Holloway

  I have code that boils down to the following: template struct Foo {}; template & I struct FooBar {}; //////// template struct Baz {}; template & I struct Baz< FooBar { static void func(FooBar& value); }; //////// struct MyStruct { static const Foo s_floatFoo; }; // Elsewhere: const Foo MyStruct::s_floatFoo; void callBaz() { typedef FooBar FloatFooBar; FloatFooBar myFloatFooBar; Baz::func(myFloatFooBar); } This compiles successfully under GCC, however, under VS2005, I get: error C2039: 'func' : is not a member of 'Baz' with [ T=FloatFooBar ] error C3861: 'func': identifier not found However, if I change const Foo<T>& I to const Foo<T>* I (passing I by pointer rather than by reference), and defining FloatFooBar as: typedef FooBar FloatFooBar; Both GCC and VS2005 are happy. What's going on? Is this some kind of subtle template substitution failure that VS2005 is handling differently to GCC, or a compiler bug? (The strangest thing: I thought I had the above code working in VS2005 earlier this morning. But that was before my morning coffee. I'm now not entirely certain I wasn't under some sort of caffeine-craving-induced delirium...)

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• SugarCRM SOAP set_relationship between Contacts and Prospect lists bug

  - by AntonioCS

  Hey! I am trying to create a relationship between a Prospect List (target list) and a Contact. I create a new contact and get the id of a prospect list all using classes I created which are just wrappers for the soap api calls sugar provides. But the code boils down to this soap call: $this->_sugarsoap->client->__soapCall('set_relationship', array($this->getSessionid(),$relationship)); $this-getSessionid() Is the session Id and $relationship is an array which holds this: array 0 => string 'ProspectLists' (length=13) 1 => string '180ab1f5-cf7e-d386-50f8-4c18a790e016' (length=36) 2 => string 'Contacts' (length=8) 3 => string '76323942-8cbb-3224-f18a-4c19efa80a1b' (length=36) After I try this I always get this error: (I do a var_dump of the returned values of the soap call) object(stdClass)[5] public 'number' => string '20' (length=2) public 'name' => string 'Module Does Not Exist' (length=21) public 'description' => string 'This module is not available on this server' (length=43) This seems like a sugarcrm bug because I do have the contacts module and also the prospect lists module. I know this for a fact because I add a contact via the soap call and also retrieve the id of a prospect list via the soap call. I found this thread in the sugar forums and I did try the code given there but I still got the same error. Anyone have a solution for this? I really need to associate a contact to a prospect list (target list) via a soap call. I am using SugarCRM 5.5.0 (I also tried with sugarcrm 5.5.2 and got the same error) on ubuntu server using mysql. Thanks!

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• kendo ui filtering the grid table, need some idea

  - by cool_spirit

  I want to filter the table by last name, but cant work, here is my code in controller public JsonResult Filtering() { HealthContext rc = new HealthContext(); var last = rc.Profiles.Select(lastt => new SelectListItem { Text = lastt.LastName, Value = lastt.Id.ToString() }).ToList(); return Json(last.ToList(), JsonRequestBehavior.AllowGet); } in view <script type="text/x-kendo-template" id="template"> <div class="toolbar"> <label class="category-label" for="Last name"> by last name:</label> <input type="search" id="LastName" style="width: 230px"></input> </div> </script> and also <script> $(document).ready(function() { $("#grid").kendoGrid({ dataSource: { transport: { read: { url: "/Profiles/GetJsonData", dataType: "json" } }, pageSize: 10, }, toolbar: kendo.template($("#template").html()), height: 250, filterable: true, sortable: true, pageable: true, defaultSorting: 'LastName ASC', columns: [{ field: "Id", filterable: false }, { field: "FirstName", title: "First Name", width: 100, }, { field: "LastName", title: "Last Name", width: 200 }, { field: "Gender", title: "Gender" } ] }); var dropDown = grid.find("#LastName").kendoDropDownList({ dataTextField: "LastName", dataValueField: "Id", autoBind: false, optionLabel: "All", dataSource: { severFiltering: true, transport: { read: { url: "/Profiles/Filtering", dataType: "json" } }, }, change: function() { var value = this.value(); if (value) { grid.data("kendoGrid").dataSource.filter({ field: "Id", operator: "eq", value: parseInt(value) }); } else { grid.data("kendoGrid").dataSource.filter({}); } } }); }); </script> so the problem is the drop down list is not show up as well as the value/ data, any idea guys?

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• Open Source Web Frameworks : Security

  - by trappedIntoCode

  How secure are popular open source web frameworks? I am particularly interested in popular frameworks like Rails and DJango. If I am building a site which is going to do heavy e-commerce, is it Ok to use frameworks like DJango and Satchmo? Is security compromised because their open architecture ? I know being OS does not mean being down right open to hackers, Linux uses superb authentication mechanism, but web is a different game. What can be done in this regard? UPDATE: Thanks for answers guys. I understand that I will have to find a suitable hosting service for a secure e-commerce application and that additional layers of security will be needed. I understand that Django and Rails have been designed keeping security aspects in mind, the most common form attacks like XSS, Injections etc. (Django book has a ch on Security) I was expecting comments from security Gurus. If you are a security Guru, would you recommend an important site, which is likely going to be popular, to be built on DJango or Rails?

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• Playing online video on iphone web, the iphone seems to cache the reference movie

  - by Mad Oxyn

  We are working on an online mobile video app, and are trying to play a reference movie on an iphone from the iphone browser. The problem is, the movie plays the first time, but when we try to play a different movie the second time, it doesnt. Quicktime gives a general error message sayin "Cannot Play Movie". More precisely this is what we are trying to do: Connect with an iPhone to a webserver that serves a reference movie (generated with quicktime pro). The ref movie automatically gets downloaded to the iphone by quicktime. Quicktime then chooses one of the 3 references in the reference movie, based on the connection speed, and tries to download the designated movie via a relative path. A servlet gets called and forwards the relative path to the right movie. This all works the first time. However the second time when we want download different movies, we get the quicktime error. Test case: Open reference movie 1 Movie plays in Quicktime Open reference movie 2 ERROR: Quicktime gives an error - Cannot Play Movie Shut down Iphone Turn Iphone on again Open reference movie 2 Iphone plays movie Open movie ERROR: Quicktime gives an error - Cannot Play Movie Did anyone encounter similar issues with quicktime and the use of reference movies and is there something we can do to work around that?

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• Hibernate "JOIN ... ON"?

  - by CaptainAwesomePants

  I have an application that uses Hibernate for its domain objects. One part of the app is common between a few apps, and it has no knowledge of the other systems. In order to handle relations, our class looks like this: @Entity public class SystemEvent { @Id @GeneratedValue public int entity_id; @Column(name="event_type") public String eventType; @Column(name="related_id") public int relatedObjectId; } relatedObjectId holds a foreign key to one of several different objects, depending on the type of event. When a system wants to know about events that are relevant to its interests, it grabs all the system events with eventType "NewAccounts" or some such thing, and it knows that all of those relatedObjectIds are IDs to a "User" object or similar. Unfortunately, this has caused a problem down the line. I can't figure out a way to tell Hibernate about this mapping, which means that HQL queries can't do joins. I'd really like to create an HQL query that looks like this: SELECT users FROM SystemEvent event join Users newUsers where event.eventType = 'SignUp' However, Hibernate has no knowledge of the relationship between SystemEvent and Users, and as far as I can tell, there's no way to tell it. So here's my question: Is there any way to tell Hibernate about a relationship when your domain objects reference each other via ID numbers and not class references?

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• CKEditor createFakeParserElement: writeHtml is not a function

  - by Phil Sturgeon

  I am trying to write a plugin for CKEditor that is basically just a iframe with PHP content. The user browses around, selects the video they want and then they click insert. The problem is that I need to create a "fake element" for this video, as inserting a video directly seems to show up as a Flash object, and we need to make it look a little different. I have copied together some code from the Flash plugin.js (remember this is all undocumented and uncommented) and so far come up with this: function insertFakeElement( html ) { editor = window.parent.instance; var realElement = CKEDITOR.dom.element.createFromHtml( html ); var fakeElement = editor.createFakeParserElement( realElement, 'cke_video', 'object', true ), fakeStyle = fakeElement.attributes.style || ''; var width = realElement.attributes.width, height = realElement.attributes.height; if ( typeof width != 'undefined' ) fakeStyle = fakeElement.attributes.style = fakeStyle + 'width:' + cssifyLength( width ) + ';'; if ( typeof height != 'undefined' ) fakeStyle = fakeElement.attributes.style = fakeStyle + 'height:' + cssifyLength( height ) + ';'; editor.insertHTML(fakeElement.getHtml()); } The line "giving me jip" is: var fakeElement = editor.createFakeParserElement( realElement, 'cke_video', 'object', true ), It errors here saying: l.writeHtml is not a function [Break on this error] if(o)o.addRules(l);}});})();a.editor.p..."',o,'_text" The .js file is minified and I have no idea how the source files all fit together so I can't track down the cause of this error. Does anybody know what I am doing wrong?

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• Get value of multiselect box using jquery or javascript

  - by Hulk

  In the code below, how to get the values of multiselect box in function val() using jquery or javascript. <script> function val() { //Get values of mutliselect drop down box } $(document).ready(function() { var flag=0; $('#emp').change(function() { var sub=$("OPTION:selected", this).val() if(flag == 1) $('#new_row').remove(); $('#topics').val(''); var html='<tr id="new_row" class="new_row"><td>Topics:</td><td> <select id="topic_l" name="topic_l" class="topic_l" multiple="multiple">'; var idarr =new Array(); var valarr =new Array(); {% for top in dict.tops %} idarr.push('{{top.is}}'); valarr.push('{{topic.ele}}'); {% endfor %} for (var i=0;i < idarr.length; i++) { if (sub == idarr[i]) { html += '<option value="'+idarr[i]+'" >'+valarr[i]+'</option>'; } } html +='</select></p></td></tr>'; $('#tops').append(html); flag=1; }); }); </script> Emp:&nbsp;&nbsp;&nbsp;&nbsp;<select id="emp" name="emp"> <option value=""></option> </select> <div name="tops" id="tops"></div> <input type="submit" value="Create Template" id="create" onclick="javascript:var ret=val();return ret;"> Thanks..

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• Qt: Force QWebView to click on a web element, even one not visible on the window

  - by Pirate for Profit

  So let's say I'm trying to click a link in the QWebView, here is what I have: // extending QWebView void MyWebView::click(const QString &selectorQuery) { QWebElement el = this->page()->mainFrame()->findFirstElement(selectorQuery); if (!el) return; el.setFocus(); QMouseEvent pressEvent(QMouseEvent::MouseButtonPress, el.geometry().center(), Qt::MouseButton::LeftButton, Qt::LeftButton, Qt::NoModifier); QCoreApplication::sendEvent(this, &pressEvent); QMouseEvent releaseEvent(QMouseEvent::MouseButtonRelease, el.geometry().center(), Qt::MouseButton::LeftButton, Qt::LeftButton, Qt::NoModifier); QCoreApplication::sendEvent(this, &releaseEvent); } And you call it as so: myWebView->click("a[href]"); // will click first link on page myWebView->click("input[type=submit]"); // submits a form THE ONLY PROBLEM IS: if the element is not visible in the window, it is impossible to click. What I mean is if you have to scroll down to see it, you can't click it. I imagine this has to do with the geometry, since the element doesn't show up on the screen it can't do the math to click it right. Any ideas to get around this? Maybe some way to make the window behave like a billion x billion pixels but still look 200x200?

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