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  • QProcess, QEventLoop - of any use for parallel-processing

    - by dlib
    I wonder whether I could use QEventLoop (QProcess?) to parallelize multiple calls to same function with Qt. What is precisely the difference with QtConcurrent or QThread? What is a process and an event loop more precisely? I read that QCoreApplication must exec() as early as possible in main() method, so that I wonder why it is different from main Thread. could you point as some efficient reference to processes and thread with Qt? I came through the official doc and those things remain unclear. Thanks and regards.

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  • Liquid templates - accessing members by name

    - by egarcia
    I'm using Jekyll to create a new blog. It uses Liquid underneath. Jekyll defines certain "variables": site, content, page, post and paginator. These "variables" have several "members". For instance, post.date will return the date of a post, while post.url will return its url. My question is: can I access a variable's member using another variable as the member name? See the following example: {% if my_condition %} {% assign name = 'date' %} {% else %} {% assign name = 'url' %} {% endif %} I have a variable called name which is either 'date' or 'url'. How can I make the liquid equivalent of post[name] in ruby? The only way I've found is using a for loop to iterate over all the pairs (key-value) of post. Beware! It is quite horrible: {% for property in post %} {% if property[0] == name %} {{ property[1] }} {% endif %} {% endfor %} Argh! I hope there is a better way. Thanks.

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  • Taking User Input in Java

    - by jdbeverly87
    I'm creating a program that checks if a word or phrase is a palindrome. I have the actual "palindrome tester" figured out. What I'm stuck with is where and what to place in my code to have the console read out "Enter palindrome..." and then text. I've tried with IO but it doesnt work out right. Also, how do I create a loop to keep going? This code only allows one at a time `public class Palindrome { public static void main(String args[]) { String s=""; int i; int n=s.length(); String str=""; for(i=n-1;i>=0;i--) str=str+s.charAt(i); if(str.equals(s)) System.out.println(s+ " is a palindrome"); else System.out.println(s+ " is not a palindrome"); } }

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  • Jquery Fast image switching

    - by echedey lorenzo
    Hi, I have a php class that generates a map image depending on my db data. It is periodically updated thru a serInterval loop. I am trying to update it with no flickering but I just can't. I've tried different methods (preloader, imageswitcher) with no success. //first load function map() { $("#map").html("<img src=map.php?randval="+Math.random()+">"); } //update it from setInterval calls function updatemap() { $("#map").fadeOut(function() { $(this).load(function() { $(this).fadeIn(); }); $(this).attr("src", "map.php?randval="+Math.random()); }) } Is there any way to update the image with no flickering at all? I would prefer an inmediate swap insteado of a fade. The problem I'm having is that after calling updatemap() the image just dissapears. ¿Maybe it is a problem with the attribute src I am parsing? THanks for your help.

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  • Faster projected-norm (quadratic-form, metric-matrix...) style computations

    - by thekindamzkyoulike
    I need to perform lots of evaluations of the form X(:,i)' * A * X(:,i) i = 1...n where X(:,i) is a vector and A is a symmetric matrix. Ostensibly, I can either do this in a loop for i=1:n z(i) = X(:,i)' * A * X(:,i) end which is slow, or vectorise it as z = diag(X' * A * X) which wastes RAM unacceptably when X has a lot of columns. Currently I am compromising on Y = A * X for i=1:n z(i) = Y(:,i)' * X(:,i) end which is a little faster/lighter but still seems unsatisfactory. I was hoping there might be some matlab/scilab idiom or trick to achieve this result more efficiently?

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  • Number of lines in csv.DictReader

    - by Alan Harris-Reid
    Hi there, I have a csv DictReader object (using Python 3.1), but I would like to know the number of lines/rows contained in the reader before I iterate through it. Something like as follows... myreader = csv.DictReader(open('myFile.csv', newline='')) totalrows = ? rowcount = 0 for row in myreader: rowcount +=1 print("Row %d/%d" % (rowcount,totalrows)) I know I could get the total by iterating through the reader, but then I couldn't run the 'for' loop. I could iterate through a copy of the reader, but I cannot find how to copy an iterator. I could also use totalrows = len(open('myFile.csv').readlines()) but that seems an unnecessary re-opening of the file. I would rather get the count from the DictReader if possible. Any help would be appreciated. Alan

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  • Help with split

    - by Andeeh
    I have something that splits each line of a file. here is a sample of a line it might split "James","Project5","15/05/2010","3" I have this code Private Sub Command1_Click() Open jobs For Input As #1 Do While Not EOF(1) Line Input #1, tmpstring splititems = Split(tmpstring, ",") Form1.Print splititems(0) Form1.Print splititems(1); Form1.Print splititems(2); Form1.Print splititems(3) Loop Close #1 End Sub I would like it to instead of outputting a name each time there is a name, just put the project under the name that is already there. e.g. if there was another line in the file with the name james and he had been working on project 2 in that line I would like it to just put project 2 under the "James" that had already been put on the form. Any help would be fantastic

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  • Workflow foundation 4.0 message correlation and error reporting

    - by Lygpt
    I have a workflow service that runs and performs a number of different operations (such as web service calls). If one of these operations fails I call an error reporting web service to notify a seperate system that one of my workflow operations has failed. As the error could be something like the web service being down, I loop and retry this operation until it works. There can be times though when the data I'm passing to this web service is faulty and it needs changing. So I need to be able to hook into this running (but delayed) workflow and change local workflow variables and then re-run the operation. I've looked at message correlation in workflow 4.0 to achieve this but because the delay activity is active in my running workflow instance, any second service call doesn't do anything (it's like the delay activity is blocking any other requests). I've tried setting 'CanCreateInstance' to both true and false but it doesn't help. Thanks!

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  • Programming an Event listener for files in a directory on Linux

    - by Epitaph
    On Ubuntu linux, when you watch a flash video, it gets saved temporarily in the /tmp as flv files while the video buffers. I use vlc to directly play these files. Currently, I have scripted a shortcut that directly scans and opens the latest file in /tmp with vlc, when clicked. But, I want to program a Java application that will continually monitor this /tmp directory for any new flv files, and open it in vlc automatically. I know I can use Runtime.exec() to open the VLC application with the flv files. But, I DO NOT want to run a while(true) loop (with sleep) to scan for files. How can I make use of Event Handling (Java or any other language) on Linux to complete this task?

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  • YouTube API Get all videos uploaded feed

    - by Paul
    Hi Guys, I can't seem to retrieve ALL videos from a particular channel on YouTube, despite the API giving example code that should perform just that. I'm using Java. http://gdata.youtube.com/feeds/api/users/GoogleDevelopers/uploads The above rss feed is the URL they suggest using along with the following sample code.. /*init the list*/ String feedUrl = "http://gdata.youtube.com/feeds/api/users/GoogleDevelopers/uploads"; VideoFeed videoFeeder = null; videoFeeder = serviceobject.getFeed(new URL(feedUrl), VideoFeed.class); Looping this with a for loop suggests 25 entries (as per the RSS). However - the actual number of videos uploaded is significantly larger. (662 at time of writing). My query is how on earth you retrieve everything with the API, not just a subset of the data. Any ideas on where I'm going wrong? Should I be using a different URL? http://www.youtube.com/GoogleDevelopers#g/a

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  • Access DotNetPanel/WebsitePanel Enterprise Server from outside the loopback address

    - by Ryan French
    Hi Peoples, I am currently investigating integration of DotNetPanel/WebsitePanel with a website that is running ColdFusion. The issue I have come across is that it seems WebsitePanel only allows access to the Enterprise Server (where the web services are that I need access to) when the request is coming from the same physical machine (i.e. on the loop-back address 127.0.0.1). This unfortunately doesnt really work out too well with our current setup as we have our ColdFusion server running on one machine and WebsitePanel running on another. Does anyone have any suggestions as to how we can change this? Currently we are investigating writing a transparent proxy server that will sit on the portal machine and pass requests between the two sites, but that is less than ideal.

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  • Out of Memory When Loading Java Entities

    - by Hugh Buchanan
    I have a terrible problem that hopefully has a very simple answer. I am running out of memory when I perform a basic If I have code like this: MyEntity myEntity; for (Object id: someIdList) { myEntity = find(id); // do something basic with myEntity } And the find() method is a standard EntityManager related method: public MyEntity find(Object id) { return em.find(mycorp.ejb.entity.MyEntity.class, id); } This code worked a couple of weeks ago, and works fine if there are fewer items in the database. The resulting error I am facing is: java.lang.OutOfMemoryError: GC overhead limit exceeded The exception is coming from oracle toplink calling some oracle jdbc methods. The loop exists because an EJBQL such as "select object(o) from MyEntity as o" will overload the application server when there are lots of records.

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  • Porting from GAE to TomCat or another servlet server

    - by bach
    Hi guys, I'm unhappy from GAE because - One can't have a global variable and the 'synchronize' keyword. Instead one have to catch a basically DB transcational exception and retry in a while loop - which will eat all my free CPU time and will start costing me money as I reach the google's qouata. Is it safe to use synchronize inside a doPost() in tomcat? (i guess that it's ok as long as all the servlets are running on on 1 VM?). If not in all tomcat configurations, how do I configure tomcat to make it safe? How can I convert a GAE app to my own tomcat server? - How to install DataNucleus Access Platform on tomcat? Best regards

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  • Reshape data frame to convert factors into columns in R

    - by Alexander L. Belikoff
    I have a data frame where one particular column has a set of specific values (let's say, 1, 2, ..., 23). What I would like to do is to convert from this layout to the one, where the frame would have extra 23 (in this case) columns, each one representing one of the factor values. The data in these columns would be booleans indicating whether a particular row had a given factor value... To show a specific example: Source frame: ID DATE SECTOR 123 2008-01-01 1 456 2008-01-01 3 789 2008-01-02 5 ... <more records with SECTOR values from 1 to 5> Desired format: ID DATE SECTOR.1 SECTOR.2 SECTOR.3 SECTOR.4 SECTOR.5 123 2008-01-01 T F F F F 456 2008-01-01 F F T F F 789 2008-01-02 F F F F T I have no problem doing it in a loop but I hoped there would be a better way. So far reshape() didn't yield the desired result. Help would be much appreciated.

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  • HTML 5 Canvas - Dynamically include multiple images in canvas

    - by Ron
    I need to include multiple images in a canvas. I want to load them dynamically via a for-loop. I tried a lot but in the best case only the last image is displayed. I check this tread but I still get only the last image. For explanation, here's my latest code(basically the one from the other post): for (var i = 0; i <= max; i++) { thisWidth = 250; thisHeight = 0; imgSrc = "photo_"+i+".jpg"; letterImg = new Image(); letterImg.onload = function() { context.drawImage(letterImg,thisWidth*i,thisHeight); } letterImg.src = imgSrc; } Any ideas?

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  • no matching function for call to 'getline'

    - by WTP
    I have a class called parser: class parser { const std::istream& stream; public: parser(const std::istream& stream_) : stream(stream_) {} ~parser() {} void parse(); }; In parser::parse I want to loop over each line, so I use std::getline: std::getline(stream, line) The compiler gives me this error, however: src/parser.cc:10:7: error: no matching function for call to 'getline' std::getline(stream, line); ^~~~~~~~~~~~ But the first argument to std::getline is of type std::istream&, right? What could I be doing wrong?

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  • Add title to jQuery Cycle slideshow from Alt attribute?

    - by thatryan
    I am building a slideshow and need to have a title appear for each picture that get cycled. I created alt attributes for them and am trying to have cycle display them for each image, but It only shows the first one. I am unsure how to get the code I have into the cycle "loop" for the gallery? Does this make sense? here is what I have, (well, part of it I mean) :) thanks! $('#slideshow').before('<div class="navigation">').cycle({ fx: 'fade', timeout: 6000, pager: '.navigation' }); $('.image_title').html($(this).find('img').attr('alt'));

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  • Formula needed: Sort array to array-"snaked"

    - by aw
    After the you guys helped me out so gracefully last time, here is another tricky array sorter for you. I have the following array: a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16] I use it for some visual stuff and render it like this: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Now I want to sort the array to have a "snake" later: // rearrange the array according to this schema 1 2 3 4 12 13 14 5 11 16 15 6 10 9 8 7 // the original array should look like this a = [1,2,3,4,12,13,14,5,11,16,15,6,10,9,8,7] Now I'm looking for a smart formula / smart loop to do that ticker = 0; rows = 4; // can be n cols = 4; // can be n originalArray = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]; newArray = []; while(ticker < originalArray.length) { //do the magic here ticker++; } Thanks again for the help.

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  • OpenCV in Python can't scan through pixels

    - by Marco L.
    Hi everyone, I'm stuck with a problem of the python wrapper for OpenCv. I have this function that returns 1 if the number of black pixels is greater than treshold def checkBlackPixels( img, threshold ): width = img.width height = img.height nchannels = img.nChannels step = img.widthStep dimtot = width * height data = img.imageData black = 0 for i in range( 0, height ): for j in range( 0, width ): r = data[i*step + j*nchannels + 0] g = data[i*step + j*nchannels + 1] b = data[i*step + j*nchannels + 2] if r == 0 and g == 0 and b == 0: black = black + 1 if black >= threshold * dimtot: return 1 else: return 0 The loop (scan each pixel of a given image) works good when the input is an RGB image...but if the input is a single channel image I get this error: for j in range( width ): TypeError: Nested sequences should have 2 or 3 dimensions The input single channel image (called 'rg' in the next example) is taken from an RGB image called 'src' processed with cvSplit and then cvAbsDiff cvSplit( src, r, g, b, 'NULL' ) rg = cvCreateImage( cvGetSize(src), src.depth, 1 ) # R - G cvAbsDiff( r, g, rg ) I've also already noticed that the problem comes from the difference image got from cvSplit... Anyone can help me? Thank you

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  • Why do I have a dependency to gwt?

    - by stacker
    In a seam-gen generated application the following exception is thrown during deployment: ERROR [LoadMgr3] Not resheduling failed loading task, loadTask=org.jboss.mx.loading.ClassLoadingTask@8c5c9c{classname: org.jboss.seam.remoting.gwt.GWT14Service, requestingThread: Thread[ScannerThread,5,jboss], requestingClassLoader: org.jboss.mx.loading.UnifiedClassLoader3@3e4532{ url=f ile:/C:/dev/jboss-4.3.0.GA/server/default/deploy/myapp.ear/ ,addedOrder=50}, loadedClass: nullnull, loadOrder: 2147483647, loadException: java.lang.NoClassDefFoundError: com/google/gwt/user/server/rpc/SerializationPolicyProvider, threadTaskCount: 0, state: 1, #CCE: 1} java.lang.NoClassDefFoundError: com/google/gwt/user/server/rpc/SerializationPolicyProvider at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) ... at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225) The problem (and workaround) is described here. Since I don't use gwt, my question is why do I have this dependency when I'm not using gwt at all? Seam version 2.1.2

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  • Getting a specific number of JSON items with jQuery from tumblr feed

    - by Kevin Whitaker
    Hello all. I'm trying to populate a page with X entries from my tumblr feed, and I'm wondering how I can only pull that X number from the JSON object it returns. Here's my code, pulled from another Stack Overflow post and modified: //Tumblr retrieval $.getJSON("http://tumblr-address/api/read/json?callback=?", function(data) { $.each(data.posts, function(i,posts){ var title = this["regular-title"]; var type = this.type; var date = this.date; var url = this["url-with-slug"]; $('#sideRail ol').prepend('<li><p><a href=' +url +'>' + title + '</a></p><p>' + date + '</p></li>'); }); }); I've tried using a while loop with a counter, but it just repeats everything X times before moving on to the next item in the list. Thanks for any help.

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  • How to scroll to the new added item in a ListView

    - by Thomas
    Hi all My application show a ListView with a button which allow user to add an element. When the user clicks on this button, another Activity is started to allow user to populate the new element. When the add is finished, we return to the previous Activity with the ListView and I would like to scroll to the new element. Note that this element is not necessarily at the end of the ListView because there is an "order by" when I retrieve the datas from the database. I know I need the cursor position of the new element to make the ListView scrool to it, but the only info I have about this element is its id, so how to convert this id to cursor position ? Do I have to loop on the cursor to find the position ? Thanks in advance

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  • LB_SETTABSTOPS does not appear to affect a CheckedListBox

    - by BP
    I am trying to set tab stops in a CheckedListBox in my WinForms application, but no matter what I do, it does not seem to have any effect. I have the following in the code for my form: <DllImport("user32.dll")> _ Public Sub SendMessage(ByVal hWnd As IntPtr, ByVal uMsg As Int32, ByVal wParam As Int32, ByRef lParam As Int32) End Sub Public Const LB_SETTABSTOPS As Int32 = &H192 And in the form's load method, I am doing the following, where theList is my CheckedListBox: Dim tabStops() As Integer = {40, 140, 240} Call SendMessage(theList.Handle, LB_SETTABSTOPS, tabStops.Length, tabStops(0)) theList.Refresh() And then later on, I use this in a loop, where col1 through col4 are all string values for the columns: theList.Items.Add(col1 & vbTab & col2 & vbTab & col3 & vbTab & col4) But no matter what I use for the values of tabStops, the list is formatted with standard width tab stops.

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  • How to set the skin of a DotNetNuke page through code?

    - by ks78
    I'm working on a DNN module that creates DNN pages (tabs) and places DNN modules on them through code. So, far that's working very well. However, I'd like it to also be able to programmatically set the page's skin and place the modules in the appropriate pane. Does anyone know how to do this using code? Solution: I set SkinSrc and ContainerSrc as mika suggested. Here's my source, if you're interested. This is where I set SkinSrc. ''' <summary>Create new DNN tab/page.</summary> Private Function CreatePage(ByVal ParentID As Integer, ByVal PageName As String, ByVal PageTitle As String, ByVal Description As String, ByVal Keywords As String, ByVal Permissions As TabPermissionCollection, Optional ByVal SkinSrc As String = "", Optional ByVal isVisible As Boolean = True, Optional ByVal LoadDefaultModules As Boolean = True) As Tabs.TabInfo Try Dim tabCtrlr As New TabController Dim newTab As New Tabs.TabInfo Dim newPermissions As TabPermissionCollection = newTab.TabPermissions Dim permissionProvider As PermissionProvider = permissionProvider.Instance Dim infPermission As TabPermissionInfo ' set new page properties newTab.PortalID = PortalId newTab.TabName = PageName newTab.Title = PageTitle newTab.Description = Description newTab.KeyWords = Keywords newTab.IsDeleted = False newTab.IsSuperTab = False newTab.IsVisible = isVisible newTab.DisableLink = False newTab.IconFile = "" newTab.Url = "" newTab.ParentId = ParentID 'add skinsrc if specified If (SkinSrc.Length > 0) Then newTab.SkinSrc = SkinSrc ' create new page tabCtrlr.AddTab(newTab, LoadDefaultModules) ' copy permissions selected in Permissions collection For index As Integer = 0 To (Permissions.Count - 1) infPermission = New TabPermissionInfo infPermission.AllowAccess = Permissions(index).AllowAccess infPermission.RoleID = Permissions(index).RoleID infPermission.RoleName = Permissions(index).RoleName infPermission.TabID = Permissions(index).TabID infPermission.PermissionID = Permissions(index).PermissionID 'save permission info newPermissions.Add(infPermission, True) permissionProvider.SaveTabPermissions(newTab) Next index 'return TabInfo of new page Return newTab Catch ex As Exception 'failure Return New Tabs.TabInfo End Try End Function These next two functions were taken from the DNN source and tweaked slightly, so I can't take credit for much of them. Also, if you use these in your own modules there could be issues when upgrading DNN. Although the upgrade from 5.05 to 5.06 went smoothly for me. In the AddNewModule function, I used ContainerSrc to specify the custom container to use. PaneName is the property used to specify which panel the module should be placed in. #Region "From DNN Source --mostly" #Region "Enums" Private Enum ViewPermissionType View = 0 Edit = 1 End Enum #End Region ''' ----------------------------------------------------------------------------- ''' <summary>Adds a New Module to a Pane</summary> ''' <param name="align">The alignment for the Module</param> ''' <param name="desktopModuleId">The Id of the DesktopModule</param> ''' <param name="permissionType">The View Permission Type for the Module</param> ''' <param name="title">The Title for the resulting module</param> ''' <param name="paneName">The pane to add the module to</param> ''' <param name="position">The relative position within the pane for the module</param> ''' ----------------------------------------------------------------------------- Private Function AddNewModule(ByVal TabID As Integer, ByVal title As String, ByVal desktopModuleId As Integer, ByVal paneName As String, ByVal position As Integer, ByVal permissionType As ViewPermissionType, ByVal align As String) As Integer Dim objTabController As New TabController Dim objTabPermissions As TabPermissionCollection = objTabController.GetTab(TabID, PortalId, True).TabPermissions Dim objPermissionController As New PermissionController Dim objModules As New ModuleController Dim objModuleDefinition As ModuleDefinitionInfo Dim objEventLog As New Services.Log.EventLog.EventLogController Dim newModuleID As Integer Dim j As Integer Try Dim desktopModule As DesktopModuleInfo = Nothing If Not DesktopModuleController.GetDesktopModules(PortalSettings.PortalId).TryGetValue(desktopModuleId, desktopModule) Then Throw New ArgumentException("desktopModuleId") End If Catch ex As Exception LogException(ex) End Try Dim UserId As Integer = -1 If Request.IsAuthenticated Then Dim objUserInfo As Users.UserInfo = UserController.GetCurrentUserInfo UserId = objUserInfo.UserID End If For Each objModuleDefinition In ModuleDefinitionController.GetModuleDefinitionsByDesktopModuleID(desktopModuleId).Values Dim objModule As New ModuleInfo objModule.Initialize(PortalSettings.PortalId) objModule.PortalID = PortalSettings.PortalId objModule.TabID = TabID objModule.ModuleOrder = position If title = "" Then objModule.ModuleTitle = objModuleDefinition.FriendlyName Else objModule.ModuleTitle = title End If objModule.PaneName = paneName objModule.ModuleDefID = objModuleDefinition.ModuleDefID If objModuleDefinition.DefaultCacheTime > 0 Then objModule.CacheTime = objModuleDefinition.DefaultCacheTime If Portals.PortalSettings.Current.DefaultModuleId > Null.NullInteger AndAlso Portals.PortalSettings.Current.DefaultTabId > Null.NullInteger Then Dim defaultModule As ModuleInfo = objModules.GetModule(Portals.PortalSettings.Current.DefaultModuleId, Portals.PortalSettings.Current.DefaultTabId, True) If Not defaultModule Is Nothing Then objModule.CacheTime = defaultModule.CacheTime End If End If End If Select Case permissionType Case ViewPermissionType.View objModule.InheritViewPermissions = True Case ViewPermissionType.Edit objModule.InheritViewPermissions = False End Select ' get the default module view permissions Dim arrSystemModuleViewPermissions As ArrayList = objPermissionController.GetPermissionByCodeAndKey("SYSTEM_MODULE_DEFINITION", "VIEW") ' get the permissions from the page For Each objTabPermission As TabPermissionInfo In objTabPermissions If objTabPermission.PermissionKey = "VIEW" AndAlso permissionType = ViewPermissionType.View Then 'Don't need to explicitly add View permisisons if "Same As Page" Continue For End If ' get the system module permissions for the permissionkey Dim arrSystemModulePermissions As ArrayList = objPermissionController.GetPermissionByCodeAndKey("SYSTEM_MODULE_DEFINITION", objTabPermission.PermissionKey) ' loop through the system module permissions For j = 0 To arrSystemModulePermissions.Count - 1 ' create the module permission Dim objSystemModulePermission As PermissionInfo objSystemModulePermission = CType(arrSystemModulePermissions(j), PermissionInfo) If objSystemModulePermission.PermissionKey = "VIEW" AndAlso permissionType = ViewPermissionType.Edit AndAlso _ objTabPermission.PermissionKey <> "EDIT" Then 'Only Page Editors get View permissions if "Page Editors Only" Continue For End If Dim objModulePermission As ModulePermissionInfo = AddModulePermission(objModule, _ objSystemModulePermission, _ objTabPermission.RoleID, objTabPermission.UserID, _ objTabPermission.AllowAccess) ' ensure that every EDIT permission which allows access also provides VIEW permission If objModulePermission.PermissionKey = "EDIT" And objModulePermission.AllowAccess Then Dim objModuleViewperm As ModulePermissionInfo = AddModulePermission(objModule, _ CType(arrSystemModuleViewPermissions(0), PermissionInfo), _ objModulePermission.RoleID, objModulePermission.UserID, _ True) End If Next 'Get the custom Module Permissions, Assume that roles with Edit Tab Permissions 'are automatically assigned to the Custom Module Permissions If objTabPermission.PermissionKey = "EDIT" Then Dim arrCustomModulePermissions As ArrayList = objPermissionController.GetPermissionsByModuleDefID(objModule.ModuleDefID) ' loop through the custom module permissions For j = 0 To arrCustomModulePermissions.Count - 1 ' create the module permission Dim objCustomModulePermission As PermissionInfo objCustomModulePermission = CType(arrCustomModulePermissions(j), PermissionInfo) AddModulePermission(objModule, objCustomModulePermission, _ objTabPermission.RoleID, objTabPermission.UserID, _ objTabPermission.AllowAccess) Next End If Next objModule.AllTabs = False objModule.Alignment = align 'apply Custom Container to module objModule.ContainerSrc = CONTAINER_TRANSPARENT_PLAIN newModuleID = objModules.AddModule(objModule) Next Return newModuleID End Function ''' ----------------------------------------------------------------------------- ''' <summary>Adds a Module Permission</summary> ''' <param name="permission">The permission to add</param> ''' <param name="roleId">The Id of the role to add the permission for.</param> ''' ----------------------------------------------------------------------------- Private Function AddModulePermission(ByVal objModule As ModuleInfo, ByVal permission As PermissionInfo, ByVal roleId As Integer, ByVal userId As Integer, ByVal allowAccess As Boolean) As ModulePermissionInfo Dim objModulePermission As New ModulePermissionInfo objModulePermission.ModuleID = objModule.ModuleID objModulePermission.PermissionID = permission.PermissionID objModulePermission.RoleID = roleId objModulePermission.UserID = userId objModulePermission.PermissionKey = permission.PermissionKey objModulePermission.AllowAccess = allowAccess ' add the permission to the collection If Not objModule.ModulePermissions.Contains(objModulePermission) Then objModule.ModulePermissions.Add(objModulePermission) End If Return objModulePermission End Function #End Region

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  • Parsing atom/rss feed containing multiple <link> tags with Haml on RoR

    - by fenderplayer
    So, firstly, heres an atom feed snippet which i am trying to parse: // http://somelink.com/atom <feed xmlns="http://www.w3.org/2005/Atom"> <entry> <title>Title Here</title> <link href="http://somelink.com/link1&amp;amp;ref=rss" rel="alternate" /> <link href="http://somelink.com/link2&amp;amp;ref=rss" rel="tag:somelink.com/apply_url"/> ... </entry> i pull the atom feed like so, // In controller index method @rss = SimpleRSS.parse open('http://somelink.com/atom') Then i output the response in the view, which i am writing using haml, as follows: - @rss.entries.each do |item| .title-div = item.title .title-link = item.link //outputs the first link I could run a second loop for the links but is there a way to get the second link without it? Like reading the "rel" attribute and outputting the correct link? How do i do this in haml/rails?

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