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  • jquery Ajax sortable list stops being sortable when Ajax call updates the list html

    - by Trevor
    Hi, I am using jquery 1.4.2 and trying to achieve the following: 1 - function call that sends a value to a php page to add/remove an item 2 - returns html list of the items 3 - list should still be sortable 4 - save (serialise list) onclick My full WIP is located here [http://www.chittak.co.uk/test4/index_nw3.php][1] I tried to delegate from the level above the UL but I could get this to work $("#construnctionstage").delegate('ul li', 'click', function(){ The initial list is sortable, when you click add/remove the ajax function returns a new list with the a number of items, BUT I am doing something wrong as the alert message continues to work while the list is no longer sortable. $(document).ready(function(){ $('ul').delegate('li', 'click', function(){ alert('You clicked on an li element!'); /*$("#test-list").sortable({ handle : '.handle', update : function () { var order = $('#test-list').sortable('serialize'); $("#info").load("process-sortable.php?"+order); } });*/ }).sortable({ handle : '.handle', update : function () { var order = $('#test-list').sortable('serialize'); $("#info").load("process-sortable.php?"+order); } }); }); <div id="construnctionstage"> <ul id="test-list"> <li id="listItem_1">

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  • AS3 Working With Arbitrarily Large Files

    - by Kekoa
    I am trying to read a very large file in AS3 and am having problems with the runtime just crashing on me. I'm currently using a FileStream to open the file asynchronously. This does not work(crashes without an Exception) for files bigger than about 300MB. _fileStream = new FileStream(); _fileStream.addEventListener(IOErrorEvent.IO_ERROR, loadError); _fileStream.addEventListener(Event.COMPLETE, loadComplete); _fileStream.openAsync(myFile, FileMode.READ); In looking at the documentation, it sounds like the FileStream class still tries to read in the entire file to memory(which is bad for large files). Is there a more suitable class to use for reading large files? I really would like something like a buffered FileStream class that only loads the bytes from the files that are going to be read next. I'm expecting that I may need to write a class that does this for me, but then I would need to read only a piece of a file at a time. I'm assuming that I can do this by setting the position and readAhead properties of the FileStream to read a chunk out of a file at a time. I would love to save some time if there is a class like this that already exists. Is there a good way to process large files in AS3, without loading entire contents into memory?

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  • mvvm - prismv2 - INotifyPropertyChanged

    - by depictureboy
    Since this is so long and prolapsed and really doesnt ask a coherent question: 1: what is the proper way to implement subproperties of a primary object in a viewmodel? 2: Has anyone found a way to fix the delegatecommand.RaiseCanExecuteChanged issue? or do I need to fix it myself until MS does? For the rest of the story...continue on. In my viewmodel i have a doctor object property that is tied to my Model.Doctor, which is an EF POCO object. I have onPropertyChanged("Doctor") in the setter as such: Private Property Doctor() As Model.Doctor Get Return _objDoctor End Get Set(ByVal Value As Model.Doctor) _objDoctor = Value OnPropertyChanged("Doctor") End Set End Property The only time OnPropertyChanged fires if the WHOLE object changes. This wouldnt be a problem except that I need to know when the properties of doctor changes, so that I can enable other controls on my form(save button for example). I have tried to implement it in this way: Public Property FirstName() As String Get Return _objDoctor.FirstName End Get Set(ByVal Value As String) _objDoctor.FirstName = Value OnPropertyChanged("Doctor") End Set End Property this is taken from the XAMLPowerToys controls from Karl Shifflet, so i have to assume that its correct. But for the life of me I cant get it to work. I have included PRISM in here because I am using a unity container to instantiate my view and it IS a singleton. I am getting change notification to the viewmodel via eventaggregator that then populates Doctor with the new value. The reason I am doing all this is because of PRISM's DelegateCommand. So maybe that is my real issue. It appears that there is a bug in DelegateCommand that does not fire the RaiseCanExecuteChanged method on the commands that implement it and therefore needs to be fired manually. I have the code for that in my onPropertyChangedEventHandler. Of course this isnt implemented through the ICommand interface either so I have to break and make my properties DelegateCommand(of X) so that I have access to RaiseCanExecuteChanged of each command.

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  • Android/Java -- Post simple text to Facebook wall?

    - by borg17of20
    Hello all, I'm trying to integrate posting to one's wall from within my app. I already have an area where the user can save his/her username and password (encrypted). I would like my program to recall the saved username and password, pass that to Facebook for authentication, and then allow the app to post simple text (maybe a link too) to the user's wall. That said, I've read everything on the developer pages at Facebook (the api looks completely foreign to me... I've never don't any type of web app development before... just desktop apps), and experimented with the Java libraries here: http://wiki.developers.facebook.com/index.php/User:Java but to be honest, I don't understand any of the various implementations. Some claim to be simple to use, but apparently they are all way above my head. I've even tried messing with the official Facebook Android SDK, but that uses a webview interface, and I can't pass in the username and password for easy authentication. Plus, I'm still clueless as to how to post to the wall even after correct authentication. Please help. Thanks. Oh, btw I already have a Facebook API key and Application ID.

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  • Which itch does a gravatar scratch?

    - by WizardOfOdds
    This is a very serious question: I've seen lots of threads here about gravatars but I couldn't find and answer to this question: what computer identification/authentication (?) problem, if any, are gravatars supposed to solve? Neither the Wikipedia entry nor the official website are very useful. The official website mentions a "globally unique" picture. Unique in what sense? As far as I can see it's only the hash that is unique: two persons can have two pictures looking very similar if not identical. Note that this question is not about which problems do gravatars unarguably cause (like leaking 10% of the stackoverflow.com accounts email addresses like discussed here : "gravatars can leak email adresses" ) but about which authentication (?) problems, if any, are gravatars supposed to solve? Is the goal just to have a cool/funny/cute icon and save bandwith by having it stored on a remote website or is there more to it, like serving a real authentication purpose which I'd be completely missing? Note that I've got nothing against them and find them rather cool, but I'm just having a hard time figuring out what their purpose is and if I should care or not about them in the webapps I'm developping.

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  • Manditory read-only fields in django

    - by jamida
    I'm writing a test "grade book" application. The models.py file is shown below. class Student(models.Model): name = models.CharField(max_length=50) parent = models.CharField(max_length=50) def __unicode__(self): return self.name class Grade(models.Model): studentId = models.ForeignKey(Student) finalGrade = models.CharField(max_length=3) I'd like to be able to change the final grade for several students in a modelformset but for now I'm just trying one student at a time. I'm also trying to create a form for it that shows the student name as a field that can not be changed, the only thing that can be changed here is the finalGrade. So I used this trick to make the studentId read-only. class GradeROForm(ModelForm): studentId = forms.ModelChoiceField(queryset=Student.objects.all()) def __init__(self, *args, **kwargs): super(GradeROForm,self).__init__(*args, **kwargs) instance = getattr(self, 'instance', None) if instance and instance.id: self.fields['studentId'].widget.attrs['disabled']='disabled' def clean_studentId(self): instance = getattr(self,'instance',None) if instance: return instance.studentId else: return self.cleaned_data.get('studentId',None) class Meta: model=Grade And here is my view: def modifyGrade(request,student): student = Student.objects.get(name=student) mygrade = Grade.objects.get(studentId=student) if request.method == "POST": myform = GradeROForm(data=request.POST, instance=mygrade) if myform.is_valid(): grade = myform.save() info = "successfully updated %s" % grade.studentId else: myform=GradeROForm(instance=mygrade) return render_to_response('grades/modifyGrade.html',locals()) This displays the form like I expect, but when I hit "submit" I get a form validation error for the student field telling me this field is required. I'm guessing that, since the field is "disabled", the value is not being reported in the POST and for reasons unknown to me the instance isn't being used in its place. I'm a new Django/Python programmer, but quite experienced in other languages. I can't believe I've stumbled upon such a difficult to solve problem in my first significant django app. I figure I must be missing something. Any ideas?

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  • File permissions with FileSystemObject - CScript.exe says one thing, Classic ASP says another...

    - by Dylan Beattie
    I have a classic ASP page - written in JScript - that's using Scripting.FileSystemObject to save files to a network share - and it's not working. ("Permission denied") The ASP page is running under IIS using Windows authentication, with impersonation enabled. If I run the following block of code locally via CScript.exe: var objNet = new ActiveXObject("WScript.Network"); WScript.Echo(objNet.ComputerName); WScript.Echo(objNet.UserName); WScript.Echo(objNet.UserDomain); var fso = new ActiveXObject("Scripting.FileSystemObject"); var path = "\\\\myserver\\my_share\\some_path"; if (fso.FolderExists(path)) { WScript.Echo("Yes"); } else { WScript.Echo("No"); } I get the (expected) output: MY_COMPUTER dylan.beattie MYDOMAIN Yes If I run the same code as part of a .ASP page, substituting Response.Write for WScript.Echo I get this output: MY_COMPUTER dylan.beattie MYDOMAIN No Now - my understanding is that the WScript.Network object will retrieve the current security credentials of the thread that's actually running the code. If this is correct - then why is the same user, on the same domain, getting different results from CScript.exe vs ASP? If my ASP code is running as dylan.beattie, then why can't I see the network share? And if it's not running as dylan.beattie, why does WScript.Network think it is?

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  • Error reached after genereated entity framework classes by edmgen tool

    - by loviji
    Hello, First I read this question, but this knowledge did not help to solve my problems. In initial I've created edmx file by Visual Studio. Generated files with names: uqsModel.Designer.cs uqsModel.edmx This files are located on App_Code folder. And my web app work normally. In Web Config generated connectionstring automatically. <add name="uqsEntities" connectionString="metadata=res://*/App_Code.uqsModel.csdl|res://*/App_Code.uqsModel.ssdl|res://*/App_Code.uqsModel.msl;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=aemloviji\sqlexpress;Initial Catalog=uqs;Integrated Security=True;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient" /></connectionStrings> Then I had to generate classes by the instrument edmgen tool(full generation mode). Generated new files with names: uqsModel.cs uqsModel.csdl uqsModel.msl uqsModel.ssdl uqsViews.cs it save new classed to the folder where edmx files located before, and remove existing edmx files. And when page redirrects to any web page server side code fails. And problem: Unable to load the specified metadata resource. Some idea, please.

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  • Webservice complex types and class inheritance

    - by pygorex1
    Using the following Webservice definition using aClientArgs as a complex type: [System.Web.Script.Services.ScriptService] public class Controller : System.Web.Services.WebService { [WebMethod] public void save_client(aClientArgs client) { // Save client data } } Then defining aClientArgs as a sub-class: public class aArgs { public string id = null; public string name = null; } public class aClientArgs : aArgs { public string address = null; public string website = null; } Returns the following WSDL fragment for the save_client args: <save_client xmlns="http://tempuri.org/"> <client> <address>string</address> <website>string</website> </client> </save_client> When I'm expecting the following: <save_client xmlns="http://tempuri.org/"> <client> <id>string</id> <name>string</name> <address>string</address> <website>string</website> </client> </save_client> So it appears that the .NET WebService is not treating inherited properties as arguments/variables for purposes of a web service. How do I get .NET to also use the properties of the base class?

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  • Removing and adding persistent stores to a core data application

    - by mkko
    I'm using core data on an iPhone application. I have multiple persisntent stores that I'm switching from one to another so that only one of the stores can be active at the time. I have one managed object context and the different persistent stores are similar in data format (sqlite) and share the same managed object model. I'm importing the data to each persistent store from a respective XML file. For the first import everything works fine, but after I remove the imported data (the persistent store and the physical file) and then re-import, core data gives me an error: *** Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'The NSManagedObject with ID:0x3c14e00 <x-coredata://6D14F11E-2EA7-4141-9BE8-53747DE6FCC6/Book/p2> has been invalidated.' This error comes from the save: of NSManagedObjectContext. Before re-importing, i'm removing the persistent store from the persistent store coordinator and removing the physical file, so everything should be as if re-importing was done for the first time. Alos, the objects in managed object context are removed and the context is sent the reset: message (I don't know if this is actually needed). Could some one help me out here? How should the persistent store be switched? I'm basically using the same logic as tutored here: http://blog.sallarp.com/iphone-core-data-uitableview-drill-down/ Thanks in advance.

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  • AccessControlException when trying to redeploy webapp to Tomcat using Netbeans

    - by Venc
    I'm getting the following error trying redeploy an webapp on Tomcat from within Netbeans 6.8. It has probably something to do with the new deploy on save and hot swap functionality. Any ideas how to resolve this issue? INFO: Error registering wrapper with jmx StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CubeAdSaSim2] Catalina:j2eeType=WebModule,name=//localhost/CubeAdSaSim2,J2EEApplication=none,J2EEServer=none java.security.AccessControlException: access denied (javax.management.MBeanTrustPermission register) java.security.AccessControlException: access denied (javax.management.MBeanTrustPermission register) at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323) at java.lang.SecurityManager.checkPermission(SecurityManager.java:568) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanTrustPermission(DefaultMBeanServerInterceptor.java:1824) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:310) at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482) at org.apache.tomcat.util.modeler.Registry.registerComponent(Registry.java:805) at org.apache.catalina.core.StandardContext.registerJMX(StandardContext.java:5281) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4482) at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1249) at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:377) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:196) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Thread.java:619)

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  • How to delete columns?

    - by Joey jie
    Hi all, I have generated the following text file below: fe120b99164f151b28bf86afa6389b22 -rw-r--r-- 1 joey joey 186 2010-03-14 19:26 Descript.txt 41705ea936cfc653f273b5454c1cdde6 -rw-r--r-- 1 joey joey 30 2010-03-14 20:29 listof.txt 0e25cca3222d32fff43563465af03340 -rw-r--r-- 1 joey joey 28 2010-03-14 23:35 sedexample.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test1.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test2.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test3.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test4.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test5.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-02-16 15:11 test6.txt f5c7f1856249d0526be10df5bd5b895a -rw-r--r-- 1 joey joey 26 2010-03-13 14:13 testingfile.txt d41d8cd98f00b204e9800998ecf8427e -rw-r--r-- 1 joey joey 0 2010-03-15 00:28 uniquelist.txt Basically I would like to get rid of the access, amount column, user and group columns. In other words, I want rid of columns 3,4,5. I have tried using cut to keep the columns that I do want and having " " as my delimiter however because of the file size figures, it messes up using "space" as a delimiter. Any advice would be much appreciated! Oh just to add, I would like to save the output as another text file. Many thanks!

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  • C# - WinForms - Exception Handling for Events

    - by JustLooking
    Hi all, I apologize if this is a simple question (my Google-Fu may be bad today). Imagine this WinForms application, that has this type of design: Main application - shows one dialog - that 1st dialog can show another dialog. Both of the dialogs have OK/Cancel buttons (data entry). I'm trying to figure out some type of global exception handling, along the lines of Application.ThreadException. What I mean is: Each of the dialogs will have a few event handlers. The 2nd dialog may have: private void ComboBox_SelectedIndexChanged(object sender, EventArgs e) { try { AllSelectedIndexChangedCodeInThisFunction(); } catch(Exception ex) { btnOK.enabled = false; // Bad things, let's not let them save // log stuff, and other good things } } Really, all the event handlers in this dialog should be handled in this way. It's an exceptional-case, so I just want to log all the pertinent information, show a message, and disable the okay button for that dialog. But, I want to avoid a try/catch in each event handler (if I could). A draw-back of all these try/catch's is this: private void someFunction() { // If an exception occurs in SelectedIndexChanged, // it doesn't propagate to this function combobox.selectedIndex = 3; } I don't believe that Application.ThreadException is a solution, because I don't want the exception to fall all the way-back to the 1st dialog and then the main app. I don't want to close the app down, I just want to log it, display a message, and let them cancel out of the dialog. They can decide what to do from there (maybe go somewhere else in the app). Basically, a "global handler" in between the 1st dialog and the 2nd (and then, I suppose, another "global handler" in between the main app and the 1st dialog). Thanks.

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  • Configuring authlogic-oauth with google

    - by Zak
    Howdy everybody, I am trying to learn rails, and I'm working on an app that uses Google for logins and also for calendar data. I'm currently working on configuring authlogic-oauth and having some issues. I've been following the guide for the authlogic-oauth (see link above) plugin, and I'm on steps 4 and 5. First off, I am still learning the language and I'm not sure where the code from step 4 goes in the controllers: @user_session.save do |result| if result flash[:notice] = "Login successful!" redirect_back_or_default account_url else render :action = :new end end Secondly, I'm trying to set up step 5, the actual Google oauth data step: class UserSession < Authlogic::Session::Base def self.oauth_consumer OAuth::Consumer.new("TOKEN", "SECRET", { :site="http://google.com", :authorize_url = "http://google.com/xxx" }) end end I'm not entirely sure where I find the info I need to fill this in. I've been reading hxxp://code.google.com/apis/accounts/docs/OAuth_ref.html (sorry I can only post one hyperlink), but I'm just not sure where I get everything and what the plugin handles for itself. Finally, I'm not quite sure how I retrieve the calendar info, I've just been told I could by someone on IRC. Do I do it through this plugin or do I have to use another one as well? Thanks so much!

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  • What should be the responsibility of a presenter here?

    - by Achu
    I have a 3 layer design. (UI / BLL / DAL) UI = ASP.NET MVC In my view I have collection of products for a category. Example: Product 1, Product 2 etc.. A user able to select or remove (by selecting check box) product’s from the view, finally save as a collection when user submit these changes. With this 3 layer design how this product collection will be saved? How the filtering of products (removal and addition) to the category object? Here are my options. (A) It is the responsibility of the controller then the pseudo Code would be Find products that the user selected or removed and compare with existing records. Add or delete that collection to category object. Call SaveCategory(category); // BLL CALL Here the first 2 process steps occurs in the controller. (B) It is the responsibility of BLL then pseudo Code would be Collect products what ever user selected SaveCategory(category, products); // BLL CALL Here it's up to the SaveCategory (BLL) to decide what products should be removed and added to the database. Thanks

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  • How do i use signtool.exe correctly in hudson running as a service?

    - by Tim
    I just purchased a code signing cert (MS authenticode) from THAWTE and have installed it apparently on my build machine. I am logged in as a user and when I open a cmd prompt I can sign EXEs using the cert with signtool.exe. Unfortunately this same command line does not work in the hudson process that is running on the machine. the error message I get is: SignTool Error: No certificates were found that met all the given criteria. I presume this is because the hudson service is running under a different account than the account that I ran signtool.exe from and from the account I used to get the cert from thawte. So, my question is: How do I fix this problem? I thought i was going to download a file from thawte, but instead it just used IE somehow to install the cert in the user's cache magically. I probably want to export (or whatever the correct term is) to a file that I can store/save or use on any other machine. How do i do that and how do I call signtool correctly with either the file or the cert from another user in the system/services account?

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  • How can I stop rails validating xml?

    - by Andrei T. Ursan
    I'm submitting to a rails webservice the following message: xmlPostData = "<message> <message-text>" + MESSAGE_WITH_XML + "</message-text> <name>" + subject + "</name> <f1>" + toPhone + "</f1> <f2>" + fromPhone + "</f2> </message>"; The problem is the the field with contain a text with XML data, is a workaround but I need to be able to submit that xml to the db and get it from there. Can I stop rails validating and replacing my xml in json format? this is how it looks: --- !map:HashWithIndifferentAccess smil: !map:HashWithIndifferentAccess head: !map:HashWithIndifferentAccess layout: !map:HashWithIndifferentAccess root_layout: !map:HashWithIndifferentAccess height: &quot;600&quot; background_color: white width: &quot;800&quot; type: text/smil-basic-layout body: !map:HashWithIndifferentAccess par: !map:HashWithIndifferentAccess text: !map:HashWithIndifferentAccess left: &quot;33&quot; begin: &quot;33&quot; dur: &quot;33&quot; val: 34343434343434343aaaaaaa height: &quot;33&quot; width: &quot;33&quot; top: &quot;33&quot; And this is the ruby method from the rails webservice: # POST /messages # POST /messages.xml def create @message = Message.new(params[:message]) respond_to do |format| if @message.save flash[:notice] = 'Message was successfully created.' format.html { redirect_to(@message) } format.xml { render :xml => @message, :status => :created, :location => @message } else format.html { render :action => "new" } format.xml { render :xml => @message.errors, :status => :unprocessable_entity } end end end Is a workaround but for the moment this has to work ...

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  • How to keep character encoding with database queries.

    - by JasonS
    Hi, I am doing the following. 1) I am exporting a database and saving it to a file called dump.sql. 2) The file is then transferred to a different server via PHP ftp. 3) When the file has been successfully transferred the administrator has an option to run a 'dbtransfer' script on the new host. 4) This script blows up the script and runs the queries line by line. This works great - however there is a problem with foreign language encoding. We are using UTF-8. Step 1 : This works fine, file is in UTF-8 Format. Step 3 : When I test the contents of the dump.sql file using mb_check_encoding(). The string comes back as UTF-8. Step 4 : This creates tables with utf8_general_ci encoding. The information is dumped in. When I check the table after the transfer I get records like this: 'ç,Ç,ö,Ö,ü,Ü,ı,İ,ş,Ş,ğ,Ğ'. I don't understand how a UTF-8 string can lose its encoding when it goes into the database. Am I missing a step? Do I need to run some sort of function to ensure the string is parsed as UTF-8? Once the system is installed I can save foreign language queries. It is just the transfer that is messing up. Any ideas?

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  • WCF Service Client Lifetime

    - by Burt
    I have a WPF appliction that uses WCF services to make calls to the server. I use this property in my code to access the service private static IProjectWcfService ProjectService { get { _projectServiceFactory = new ProjectWcfServiceFactory(); return _projectServiceFactory.Create(); } } The Create on the factory looks like this public IProjectWcfService Create() { _serviceClient = new ProjectWcfServiceClient(); //ToDo: Need some way of saving username and password _serviceClient.ClientCredentials.UserName.UserName = "Brendan"; _serviceClient.ClientCredentials.UserName.Password = "password"; return _serviceClient; } To access the service methods I use somethingn like the following. ProjectService.Save(dto); Is this a good approach for what I am trying to do? I am getting an errorthat I can't track down that I think may be realted to having too many service client connections open (is this possible?) notice I never close the service client or reuse it. What would the best practice for WCF service client's be for WPF calling? Thanks in advance...

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  • Django Upload form to S3 img and form validation

    - by citadelgrad
    I'm fairly new to both Django and Python. This is my first time using forms and upload files with django. I can get the uploads and saves to the database to work fine but it fails to valid email or check if the users selected a file to upload. I've spent a lot of time reading documentation trying to figure this out. Thanks! views.py def submit_photo(request): if request.method == 'POST': def store_in_s3(filename, content): conn = S3Connection(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) bucket = conn.create_bucket(AWS_STORAGE_BUCKET_NAME) mime = mimetypes.guess_type(filename)[0] k = Key(bucket) k.key = filename k.set_metadata("Content-Type", mime) k.set_contents_from_file(content) k.set_acl('public-read') if imghdr.what(request.FILES['image_url']): qw = request.FILES['image_url'] filename = qw.name image = filename content = qw.file url = "http://bpd-public.s3.amazonaws.com/" + image data = {image_url : url, user_email : request.POST['user_email'], user_twittername : request.POST['user_twittername'], user_website : request.POST['user_website'], user_desc : request.POST['user_desc']} s = BeerPhotos(data) if s.is_valid(): #import pdb; pdb.set_trace() s.save() store_in_s3(filename, content) return HttpResponseRedirect(reverse('photos.views.thanks')) return s.errors else: return errors else: form = BeerPhotoForm() return render_to_response('photos/submit_photos.html', locals(),context_instance=RequestContext(request) forms.py class BeerPhotoForm(forms.Form): image_url = forms.ImageField(widget=forms.FileInput, required=True,label='Beer',help_text='Select a image of no more than 2MB.') user_email = forms.EmailField(required=True,help_text='Please type a valid e-mail address.') user_twittername = forms.CharField() user_website = forms.URLField(max_length=128,) user_desc = forms.CharField(required=True,widget=forms.Textarea,label='Description',) template.html <div id="stylized" class="myform"> <form action="." method="post" enctype="multipart/form-data" width="450px"> <h1>Photo Submission</h1> {% for field in form %} {{ field.errors }} {{ field.label_tag }} {{ field }} {% endfor %} <label><span>Click here</span></label> <input type="submit" class="greenbutton" value="Submit your Photo" /> </form> </div>

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  • Problem with extended ASCII characters in web page/master page

    - by Oyvind Brathen
    I have some localization problems in my webpage. There are basically two problems (that I suspect have a different sulution, but they are conseptually linked) First problem is this: I have a website that is using a master page. All text from the page is fine, but all text that comes from the master page file, get scrambled norwegian characters. For example Ø shows up as Ø. It seems that all characthers in the extended ASCII table gets scrambled this way. Afterwards, if I open the master page in Notepad the Ø looks normal, but if I remove the Ø and write a new Ø manually, then save the file from Notepad, and then open the website in the browser, it looks fine and the Ø is shown properly. So it seems that Visual Studio saves the characters wrongly in the master file, but correct for the aspx file. Any clue here? The second issue is norwegian characters coming from jQuery. All of these characters get's replaced by a questionmark with a black box around it. Here, modifying the js file in Notepad does not help, and it still display scrambled in the browser. Any input here would be appreciated.

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  • Fluent Nhibernate causes System.IndexOutOfRangeException on Commit()

    - by Moss
    Hey there. I have been trying to figure out how to configure the mapping with both NH and FluentNH for days, and I think I'm almost there, but not quite. I have the following problem. What I need to do is basically map these two entities, which are simplified versions of the actual ones. Airlines varchar2(3) airlineCode //PK varchar2(50) Aircraft varchar2(3) aircraftCode //composite PK varchar2(3) airlineCode //composite PK, FK referencing PK in Airlines varchar2(50) aircraftName My classes look like class Airline { string AirlineCode; string AirlineName; IList<Aircraft> Fleet; } class Aircraft { Airline Airline; string AircraftCode; string AircraftName; } Using FluentNH, I mapped it like so AirlineMap Table("Airlines"); Id(x => x.AirlineCode); Map(x => x.AirlineName); HasMany<Aircraft>(x => x.Fleet) .KeyColumn("Airline"); AircraftMap Table("Aircraft"); CompositeId() .KeyProperty(x => x.AircraftCode) .KeyReference(x => x.Airline); Map(x => x.AircraftName); References(x => x.Airline) .Column("Airline"); Using Nunit, I'm testing the addition of another aircraft, but upon calling transaction.Commit after session.Save(aircraft), I get an exception: "System.IndexOutOfRangeException : Invalid index 22 for this OracleParameterCollection with Count=22." The Aircraft class (and the table) has 22 properties. Anyone have any ideas?

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  • Separation of multipage tiff with compression "CCITT T.6" very slow

    - by Alex
    I need to separate multiframe tiff files, and use the following method: public static Image[] GetFrames(Image sourceImage) { Guid objGuid = sourceImage.FrameDimensionsList[0]; FrameDimension objDimension = new FrameDimension(objGuid); int frameCount = sourceImage.GetFrameCount(objDimension); Image[] images = new Image[frameCount]; for (int i = 0; i < frameCount; i++) { MemoryStream ms = new MemoryStream(); sourceImage.SelectActiveFrame(objDimension, i); sourceImage.Save(ms, ImageFormat.Tiff); images[i] = Image.FromStream(ms); } return images; } It works fine, but if the source image was encoded using the CCITT T.6 compression, separating a 20-frame-file takes up to 15 seconds on my 2,5ghz CPU.(edit: One core is at 100% during the process) When saving the images afterward to a single file using standard compression (LZW), the separation time of the LZW-file is under 1 second. Saving with CCITT compression also takes very long. Is there a way to speed up the process?

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  • Using multiple QStyledItemDelegate with stylesheets

    - by Shane Holloway
    I'm creating a styled QTreeView using double-dispatch to resolve specific delegate for data items, which is working great. I subclassed the delegates from QStyledItemDelegate to take advantage of stylesheets, enabling the designers to style the UI outside of the code. Unfortunately, I have been unable to address different styles from the CSS. How do I select and use the item sub-control style specified in the stylesheet? The CSS I'm testing with: QTreeView::item:selected { background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #dddddd, stop: 1 #888888); } QTreeView::item:selected[role="title"] { background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #fde7ef, stop: 1 #f1cbda); } QTreeView::item:selected[role="entry"] { background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #e7effd, stop: 1 #cbdaf1); } My delegate rendering classes: class VisitingDelegate(QtGui.QAbstractItemDelegate): def __init__(self, parent=None): super(VisitingDelegate,self).__init__(parent) roles = {} self.renderRoles = roles d = TitleDelegate(parent) d.setProperty("role", "title") roles['title'] = d d = EntryDelegate(parent) d.setProperty("role", "entry") roles['entry'] = d def delegateForIndex(self, mi): role = mi.model().data(mi, "renderRole") return self.renderRoles[role] def paint(self, painter, option, mi): dg = self.delegateForIndex(mi) return dg.paint(painter, option, mi) def sizeHint(self, option, mi): dg = self.delegateForIndex(mi) return dg.sizeHint(option, mi) class TextDocumentDelegate(QtGui.QStyledItemDelegate): fmt = "<font color='%(color)s'>%(text)s</font)>" def paint(self, painter, option, mi): painter.save() opt = QtGui.QStyleOptionViewItemV4(option) self.initStyleOption(opt, mi) opt.text = '' style = opt.widget.style() style.drawControl(style.CE_ItemViewItem, opt, painter, opt.widget) textRect = style.subElementRect(style.SE_ItemViewItemText, opt, opt.widget); doc = self.asTextDoc(option, mi) painter.translate(textRect.topLeft()) doc.drawContents(painter) painter.restore() def sizeHint(self, option, mi): doc = self.asTextDoc(option, mi) sz = doc.size() sz = QtCore.QSize(sz.width(), sz.height()) return sz def asTextDoc(self, option, mi): info = {} info['text'] = mi.model().data(mi, Qt.DisplayRole) doc = QtGui.QTextDocument() doc.setDefaultFont(option.font) pal = option.palette if option.state & QtGui.QStyle.State_Selected: color = pal.color(pal.HighlightedText) else: color = pal.color(pal.Text) info['color'] = color.name() doc.setHtml(self.fmt % info) return doc class EntryDelegate(TextDocumentDelegate): pass class TitleDelegate(TextDocumentDelegate): fmt = "<h3><font color='%(color)s'>%(text)s</font)></h3>"

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  • What is the best "forgot my password" method?

    - by Edward Tanguay
    I'm programming a community website. I want to build a "forgot my password" feature. Looking around at different sites, I've found they employ one of three options: send the user an email with a link to a unique, hidden URL that allows him to change his password (Gmail and Amazon) send the user an email with a new, randomly generated password (Wordpress) send the user his current password (www.teach12.com) Option #3 seems the most convenient to the user but since I save passwords as an MD5 hash, I don't see how option #3 would be available to me since MD5 is irreversible. This also seems to be insecure option since it means that the website must be saving the password in clear text somewhere, and at the least the clear-text password is being sent over insecure e-mail to the user. Or am I missing something here? So if I can't do option #1, option #2 seems to be the simplest to program since I just have to change the user's password and send it to him. Although this is somewhat insecure since you have to have a live password being communicated via insecure e-mail. However, this could also be misused by trouble-makers to pester users by typing in random e-mails and constantly changing passwords of various users. Option #1 seems to be the most secure but requires a little extra programming to deal with a hidden URL that expires etc., but it seems to be what the big sites use. What experience have you had using/programming these various options? Are there any options I've missed?

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