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  • Why do different versions of Silverlight assemblies have the same version number?

    - by Simon
    Why do different versions of Silverlight assemblies have the same version number? Location: ...\Silverlight\v3.0\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e Location: ...\Silverlight\v4.0\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e Location: ...\Silverlight\v4.0\Profile\WindowsPhone\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e While standard .net has different version numbers Location: ...\Framework\v4.0.30319\System.dll Name: System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 Location: ...\Framework\v2.0.50727\System.dll Name: System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089

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  • RotateFlipType wrong values when used in settings

    - by Vnuk
    I'm trying to use System.Drawing.RotateFlipType in my settings file. This screenshot summarizes my problem: Each of RotateFlipType values is doubled, and some are missing. If I try to use some of missing values (like Rotate180FlipX, through app.config) - it is simply ignored. Using VS2008 with SP1, vb.net with framework 3.5 on windows 7.

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  • Unable to find assembly, C#

    - by PlasmaCube
    So, here's the deal. I've got two ASP.NET applications, both of which use SQLServer Session State management. They also both use the same server. I've got a custom session class in an external DLL, which fully implements serialization, and which both applications have referenced. Each application, in turn, has a class which inherits from the DLL class, and both applications use their own respective classes for their session state. Now, what I was trying to accomplish was that if you wanted to go to the other application, it could look in the session (they all use the same session key) and treat the existing object there as the base (the one from the DLL), extract whatever login info you need, then overwrite the session object with your own. Unfortunately, when the second application attempts to read the session, it seems that it looks for the DLL of the first application, and when it can't find it, it throws an exception. Is there a flaw in my logic? Here's an example: // Global.asax of the 1st app protected void Session_Start(object sender, EventArgs e) { Session.Add( "UserSessionKey", new FirstUserSession()); // FirstUserSession inherits from BaseUserSession } Now the second application: // Global.asax of 2nd app protected void Session_Start(object sender, EventArgs e) { if (Session["UserSessionKey"] != null) { BaseUserSession existing = (BaseUserSession)Session["UserSessionKey"]; SecondUserSession session = new SecondUserSession(); // This also inherits from BaseUserSession session.Authenticated = existing.Authenticated; session.Id = existing.Id; session.Role = existing.Role; Session.Add("UserSessionKey", session); } else { Session.Add("UserSessionKey", new SecondUserSession()); } } Here's the exception stack trace. In this case, "MyCBC" is the real name of the first app, and "ASPTesting" is the second app. [SerializationException: Unable to find assembly 'MyCBC, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.] System.Runtime.Serialization.Formatters.Binary.BinaryAssemblyInfo.GetAssembly() +1871092 System.Runtime.Serialization.Formatters.Binary.ObjectReader.GetType(BinaryAssemblyInfo assemblyInfo, String name) +7545734 System.Runtime.Serialization.Formatters.Binary.ObjectMap..ctor(String objectName, String[] memberNames, BinaryTypeEnum[] binaryTypeEnumA, Object[] typeInformationA, Int32[] memberAssemIds, ObjectReader objectReader, Int32 objectId, BinaryAssemblyInfo assemblyInfo, SizedArray assemIdToAssemblyTable) +120 System.Runtime.Serialization.Formatters.Binary.ObjectMap.Create(String name, String[] memberNames, BinaryTypeEnum[] binaryTypeEnumA, Object[] typeInformationA, Int32[] memberAssemIds, ObjectReader objectReader, Int32 objectId, BinaryAssemblyInfo assemblyInfo, SizedArray assemIdToAssemblyTable) +52 System.Runtime.Serialization.Formatters.Binary.__BinaryParser.ReadObjectWithMapTyped(BinaryObjectWithMapTyped record) +190 System.Runtime.Serialization.Formatters.Binary.__BinaryParser.ReadObjectWithMapTyped(BinaryHeaderEnum binaryHeaderEnum) +61 System.Runtime.Serialization.Formatters.Binary.__BinaryParser.Run() +253 System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage) +168 System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage) +203 System.Web.Util.AltSerialization.ReadValueFromStream(BinaryReader reader) +788 System.Web.SessionState.SessionStateItemCollection.ReadValueFromStreamWithAssert() +55 System.Web.SessionState.SessionStateItemCollection.DeserializeItem(String name, Boolean check) +281 System.Web.SessionState.SessionStateItemCollection.get_Item(String name) +19 System.Web.SessionState.HttpSessionStateContainer.get_Item(String name) +13 System.Web.SessionState.HttpSessionState.get_Item(String name) +13 ASPTesting._Default.Page_Load(Object sender, EventArgs e) in C:\Documents and Settings\sarsstu\My Documents\Projects\Testing\ASPTesting\ASPTesting\Default.aspx.cs:20 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627 Thanks to everyone in advance.

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  • Digital clocking systems/software? (employee clocking)

    - by Bill
    How does a digital clocking system deal with user error such as someone forgetting to clock out or someone erroneously entering their code causing them to clock someone else in/out (who might not even be on the schedule that day). Its obvious there could be issues of dishonesty, but what about human error?

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  • Attempt to open browser in C++

    - by Machiel
    Hey there, I am attempting to open Firefox using C++ on Linux (Ubuntu). However, I get an segmentation fault. What am I doing wrong, and what should I do? std::cout << system("/usr/bin/firefox") << std::endl; I hope to hear from you. Kind regards, Machiel

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  • C#, how to delete all files and folders in a directory?

    - by JL
    Using C#, how can I delete all files and folders from a directory, but still keep the root directory? I have this System.IO.DirectoryInfo downloadedMessageInfo = new DirectoryInfo(GetMessageDownloadFolderPath()); foreach (FileInfo file in downloadedMessageInfo.GetFiles()) { file.Delete(); } foreach (DirectoryInfo dir in downloadedMessageInfo.GetDirectories()) { dir.Delete(true); } Is this the cleanest way to do it?

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  • Java: Is there a way to efficiently insert or remove many elements from the middle of a LinkedList?

    - by allyourcode
    I was expecting to find this in Java's LinkedList, since the point of linked lists is to be able to efficiently insert (and remove) anywhere (assuming you have some kind of pointer to the location where you want to insert or remove). I'm not finding anything in the API though. Am I overlooking something? The closest thing I can find to this are the add and remove method in ListIterator. This has some limitations though. In particular, other iterators become invalid as soon as the underlying LinkedList is modified via remove, according to the API. This is born out in my tests as well; the following program results in a IllegalStateException: import java.util.*; public class RemoveFromLinkedList { public static void main(String[] args) { LinkedList<Integer> myList= new LinkedList<Integer>(); for (int i = 0; i < 10; ++i) { myList.add(i); } ListIterator<Integer> i1 = myList.listIterator(); ListIterator<Integer> i2 = myList.listIterator(); for (int i = 0; i < 3; ++i) { i1.next(); i2.next(); } System.out.println("i1.next() should be 3: " + i1.next()); i1.remove(); i1.remove(); // Exception! System.out.println("i2.next() should be 5: " + i2.next()); } } Ideally, what I'm expecting is something like this: // In my imagination only. This is the way Java actually works, afaict. // Construct two insertion/deletion points in LinkedList myLinkedList. myIterator = myLinkedList.iterator(); for (...) { myIterator.next(); } start = myIterator.clone(); for (...) { myIterator.next(); } // Later... after = myLinkedList.spliceAfter(myIterator, someOtherLinkedList); // start, myIterator, and after are still all valid; thus, I can do this: // Removes everything I just spliced in, as well as some other stuff before that. myLinkedList.remove(start, after); // Now, myIterator is invalid, but not start, nor after. C++ has something like this for its list class (template). Only iterators pointing to moved elements become invalidated, not ALL iterators.

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  • Ruby: execute a binary file in memory?

    - by John
    Is it possible to read binary in ruby file and execute it directly in memory? for example something like this: x = IO.read('/bin/ls') execute(x) I tried system(x) but it doesn't work ArgumentError: string contains null byte

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  • Tips on how to refactor this unwieldy upvote/downvote code

    - by bob_cobb
    Basically this code is for an upvote/downvote system and I'm basically Incrementing the count by 1 when voting up Decrementing the count by 1 when voting down If the number of downvotes upvotes, we'll assume it's a negative score, so the count stays 0 Reverting the count back to what it originally was when clicking upvote twice or downvote twice Never go below 0 (by showing negative numbers); Basically it's the same scoring scheme reddit uses, and I tried to get some ideas from the source which was minified and kind of hard to grok: a.fn.vote = function(b, c, e, j) { if (reddit.logged && a(this).hasClass("arrow")) { var k = a(this).hasClass("up") ? 1 : a(this).hasClass("down") ? -1 : 0, v = a(this).all_things_by_id(), p = v.children().not(".child").find(".arrow"), q = k == 1 ? "up" : "upmod"; p.filter("." + q).removeClass(q).addClass(k == 1 ? "upmod" : "up"); q = k == -1 ? "down" : "downmod"; p.filter("." + q).removeClass(q).addClass(k == -1 ? "downmod" : "down"); reddit.logged && (v.each(function() { var b = a(this).find(".entry:first, .midcol:first"); k > 0 ? b.addClass("likes").removeClass("dislikes unvoted") : k < 0 ? b.addClass("dislikes").removeClass("likes unvoted") : b.addClass("unvoted").removeClass("likes dislikes") }), a.defined(j) || (j = v.filter(":first").thing_id(), b += e ? "" : "-" + j, a.request("vote", {id: j,dir: k,vh: b}))); c && c(v, k) } }; I'm trying to look for a pattern, but there are a bunch of edge cases that I've been adding in, and it's still a little off. My code (and fiddle): $(function() { var down = $('.vote-down'); var up = $('.vote-up'); var direction = up.add(down); var largeCount = $('#js-large-count'); var totalUp = $('#js-total-up'); var totalDown = $('#js-total-down'); var totalUpCount = parseInt(totalUp.text(), 10); var totalDownCount = parseInt(totalDown.text(), 10); var castVote = function(submissionId, voteType) { /* var postURL = '/vote'; $.post(postURL, { submissionId : submissionId, voteType : voteType } , function (data){ if (data.response === 'success') { totalDown.text(data.downvotes); totalUp.text(data.upvotes); } }, 'json'); */ alert('voted!'); }; $(direction).on('click', direction, function () { // The submission ID var $that = $(this), submissionId = $that.attr('id'), voteType = $that.attr('dir'), // what direction was voted? [up or down] isDown = $that.hasClass('down'), isUp = $that.hasClass('up'), curVotes = parseInt($that.parent().find('div.count').text(), 10); // current vote castVote(submissionId, voteType); // Voted up on submission if (voteType === 'up') { var alreadyVotedUp = $that.hasClass('likes'), upCount = $that.next('div.count'), dislikes = $that.nextAll('a').first(); // next anchor attr if (alreadyVotedUp) { // Clicked the up arrow and previously voted up $that.toggleClass('likes up'); if (totalUpCount > totalDownCount) { upCount.text(curVotes - 1); largeCount.text(curVotes - 1); } else { upCount.text(0); largeCount.text(0); } upCount.css('color', '#555').hide().fadeIn(); largeCount.hide().fadeIn(); } else if (dislikes.hasClass('dislikes')) { // Voted down now are voting up if (totalDownCount > totalUpCount) { upCount.text(0); largeCount.text(0); } else if (totalUpCount > totalDownCount) { console.log(totalDownCount); console.log(totalUpCount); if (totalDownCount === 0) { upCount.text(curVotes + 1); largeCount.text(curVotes + 1); } else { upCount.text(curVotes + 2); largeCount.text(curVotes + 2); } } else { upCount.text(curVotes + 1); largeCount.text(curVotes + 1); } dislikes.toggleClass('down dislikes'); upCount.css('color', '#296394').hide().fadeIn(200); largeCount.hide().fadeIn(); } else { if (totalDownCount > totalUpCount) { upCount.text(0); largeCount.text(0); } else { // They clicked the up arrow and haven't voted up yet upCount.text(curVotes + 1); largeCount.text(curVotes + 1).hide().fadeIn(200); upCount.css('color', '#296394').hide().fadeIn(200); } } // Change arrow to dark blue if (isUp) { $that.toggleClass('up likes'); } } // Voted down on submission if (voteType === 'down') { var alreadyVotedDown = $that.hasClass('dislikes'), downCount = $that.prev('div.count'); // Get previous anchor attribute var likes = $that.prevAll('a').first(); if (alreadyVotedDown) { if (curVotes === 0) { if (totalDownCount > totalUp) { downCount.text(curVotes); largeCount.text(curVotes); } else { if (totalUpCount < totalDownCount || totalUpCount == totalDownCount) { downCount.text(0); largeCount.text(0); } else { downCount.text((totalUpCount - totalUpCount) + 1); largeCount.text((totalUpCount - totalUpCount) + 1); } } } else { downCount.text(curVotes + 1); largeCount.text(curVotes + 1); } $that.toggleClass('down dislikes'); downCount.css('color', '#555').hide().fadeIn(200); largeCount.hide().fadeIn(); } else if (likes.hasClass('likes')) { // They voted up from 0, and now are voting down if (curVotes <= 1) { downCount.text(0); largeCount.text(0); } else { // They voted up, now they are voting down (from a number > 0) downCount.text(curVotes - 2); largeCount.text(curVotes - 2); } likes.toggleClass('up likes'); downCount.css('color', '#ba2a2a').hide().fadeIn(200); largeCount.hide().fadeIn(200); } else { if (curVotes > 0) { downCount.text(curVotes - 1); largeCount.text(curVotes - 1); } else { downCount.text(curVotes); largeCount.text(curVotes); } downCount.css('color', '#ba2a2a').hide().fadeIn(200); largeCount.hide().fadeIn(200); } // Change the arrow to red if (isDown) { $that.toggleClass('down dislikes'); } } return false; }); });? Pretty convoluted, right? Is there a way to do something similar but in about 1/3 of the code I've written? After attempting to re-write it, I find myself doing the same thing so I just gave up halfway through and decided to ask for some help (fiddle of most recent).

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  • Grid View Button Passing Data Via On Click

    - by flyersun
    Hi, I'm pretty new to C# and asp.net so aplogies if this is a really stupid question. I'm using a grid view to display a number of records from a database. Each row has an Edit Button. When the button is clicked I want an ID to be passed back to a funtion in my .cs file. How do I bind the rowID to the Button field? I've tired using a hyper link instead but this doens't seem to work because I'm posting back to the same page which already has a Permanter on the URL. asp.net <asp:GridView ID="gvAddresses" runat="server" onrowcommand="Edit_Row"> <Columns> <asp:ButtonField runat="server" ButtonType="Button" Text="Edit"> </Columns> </asp:GridView> c# int ImplantID = Convert.ToInt32(Request.QueryString["ImplantID"]); Session.Add("ImplantID", ImplantID); List<GetImplantDetails> DataObject = ImplantDetails(ImplantID); System.Data.DataSet DSImplant = new DataSet(); System.Data.DataTable DTImplant = new DataTable("Implant"); DSImplant.Tables.Add(DTImplant); DataColumn ColPostCode = new DataColumn(); ColPostCode.ColumnName = "PostCode"; ColPostCode.DataType = typeof(string); DTImplant.Columns.Add(ColPostCode); DataColumn ColConsigneeName = new DataColumn(); ColConsigneeName.ColumnName = "Consignee Name"; ColConsigneeName.DataType = typeof(string); DTImplant.Columns.Add(ColConsigneeName); DataColumn ColIsPrimaryAddress = new DataColumn(); ColIsPrimaryAddress.ColumnName = "Primary"; ColIsPrimaryAddress.DataType = typeof(int); DTImplant.Columns.Add(ColIsPrimaryAddress); DataColumn ColImplantCustomerDetailsID = new DataColumn(); ColImplantCustomerDetailsID.ColumnName = "Implant ID"; ColImplantCustomerDetailsID.DataType = typeof(int); DTImplant.Columns.Add(ColImplantCustomerDetailsID); foreach (GetImplantDetails Object in DataObject) { DataRow DRImplant = DTImplant.NewRow(); DRImplant["PostCode"] = Object.GetPostCode(); DRImplant["Consignee Name"] = Object.GetConsigneeName(); DRImplant["Primary"] = Object.GetIsPrimaryAddress(); DRImplant["Implant ID"] = Object.GeTImplantCustomerDetailsID(); DTImplant.Rows.Add(DRImplant); <--- this is what I need to be added to the button } gvAddresses.DataSource = DTImplant; gvAddresses.DataBind();

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  • What's the name of the storage paradigm that uses cubes subdivided into 8 smaller cubes ad infinitum?

    - by Eric
    If I have a cube divided into 8 smaller cubes, each of which may be subdivided into a further 8 cubes, ad infinitum, what is the name of my system? I know that it's a special case of a tree, where each brance contains exactly 8 other leaves/branches. I remember the name starting with "Oct", and there was a wikipedia article on it, but I honestly can't find it! Does anyone know what such a data structure is actually known as?

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  • recursion resulting in extra unwanted data

    - by spacerace
    I'm writing a module to handle dice rolling. Given x die of y sides, I'm trying to come up with a list of all potential roll combinations. This code assumes 3 die, each with 3 sides labeled 1, 2, and 3. (I realize I'm using "magic numbers" but this is just an attempt to simplify and get the base code working.) int[] set = { 1, 1, 1 }; list = diceroll.recurse(0,0, list, set); ... public ArrayList<Integer> recurse(int index, int i, ArrayList<Integer> list, int[] set){ if(index < 3){ // System.out.print("\n(looping on "+index+")\n"); for(int k=1;k<=3;k++){ // System.out.print("setting i"+index+" to "+k+" "); set[index] = k; dump(set); recurse(index+1, i, list, set); } } return list; } (dump() is a simple method to just display the contents of list[]. The variable i is not used at the moment.) What I'm attempting to do is increment a list[index] by one, stepping through the entire length of the list and incrementing as I go. This is my "best attempt" code. Here is the output: Bold output is what I'm looking for. I can't figure out how to get rid of the rest. (This is assuming three dice, each with 3 sides. Using recursion so I can scale it up to any x dice with y sides.) [1][1][1] [1][1][1] [1][1][1] [1][1][2] [1][1][3] [1][2][3] [1][2][1] [1][2][2] [1][2][3] [1][3][3] [1][3][1] [1][3][2] [1][3][3] [2][3][3] [2][1][3] [2][1][1] [2][1][2] [2][1][3] [2][2][3] [2][2][1] [2][2][2] [2][2][3] [2][3][3] [2][3][1] [2][3][2] [2][3][3] [3][3][3] [3][1][3] [3][1][1] [3][1][2] [3][1][3] [3][2][3] [3][2][1] [3][2][2] [3][2][3] [3][3][3] [3][3][1] [3][3][2] [3][3][3] I apologize for the formatting, best I could come up with. Any help would be greatly appreciated. (This method was actually stemmed to use the data for something quite trivial, but has turned into a personal challenge. :) edit: If there is another approach to solving this problem I'd be all ears, but I'd also like to solve my current problem and successfully use recursion for something useful.

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  • Transferring data from one list box to another c#

    - by Jenny
    Hi, Ok so I have 2 list boxes one is connected to a database the other isnt. I want to be able to send the selected item from the listbox connected to the database to the one that isnt. Ive written this code listBox2.Items.Add(listBox1.SelectedItem); But instead of copyin the item i get " System.Data.DataRowView Anyone havin any advice?

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  • timestamp in C#

    - by praveen
    Hi all, I need to convert the system datetime to timestamp in script task SSIS. input date format: 29/05/2010 2:36 AM output format: 29-15-2010 14:36:00 thanks prav

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  • removing data from session

    - by sarah
    Hi All, i am using the following code to remove a attribute from session List l=(List) sess.getAttribute("allUserslist"); for(int ii=0;ii l1=(List) sess.getAttribute("allUserslist"); System.out.println("final size"+l1.size()); } te final size after removing is still one as before,where i am doing wrong ? }

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  • Data extract from website URL

    - by user2522395
    From this below script I am able to extract all links of particular website, But i need to know how I can generate data from extracted links especially like eMail, Phone number if its there Please help how i will modify the existing script and get the result or if you have full sample script please provide me. Private Sub btnGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGo.Click 'url must be in this format: http://www.example.com/ Dim aList As ArrayList = Spider("http://www.qatarliving.com", 1) For Each url As String In aList lstUrls.Items.Add(url) Next End Sub Private Function Spider(ByVal url As String, ByVal depth As Integer) As ArrayList 'aReturn is used to hold the list of urls Dim aReturn As New ArrayList 'aStart is used to hold the new urls to be checked Dim aStart As ArrayList = GrabUrls(url) 'temp array to hold data being passed to new arrays Dim aTemp As ArrayList 'aNew is used to hold new urls before being passed to aStart Dim aNew As New ArrayList 'add the first batch of urls aReturn.AddRange(aStart) 'if depth is 0 then only return 1 page If depth < 1 Then Return aReturn 'loops through the levels of urls For i = 1 To depth 'grabs the urls from each url in aStart For Each tUrl As String In aStart 'grabs the urls and returns non-duplicates aTemp = GrabUrls(tUrl, aReturn, aNew) 'add the urls to be check to aNew aNew.AddRange(aTemp) Next 'swap urls to aStart to be checked aStart = aNew 'add the urls to the main list aReturn.AddRange(aNew) 'clear the temp array aNew = New ArrayList Next Return aReturn End Function Private Overloads Function GrabUrls(ByVal url As String) As ArrayList 'will hold the urls to be returned Dim aReturn As New ArrayList Try 'regex string used: thanks google Dim strRegex As String = "<a.*?href=""(.*?)"".*?>(.*?)</a>" 'i used a webclient to get the source 'web requests might be faster Dim wc As New WebClient 'put the source into a string Dim strSource As String = wc.DownloadString(url) Dim HrefRegex As New Regex(strRegex, RegexOptions.IgnoreCase Or RegexOptions.Compiled) 'parse the urls from the source Dim HrefMatch As Match = HrefRegex.Match(strSource) 'used later to get the base domain without subdirectories or pages Dim BaseUrl As New Uri(url) 'while there are urls While HrefMatch.Success = True 'loop through the matches Dim sUrl As String = HrefMatch.Groups(1).Value 'if it's a page or sub directory with no base url (domain) If Not sUrl.Contains("http://") AndAlso Not sUrl.Contains("www") Then 'add the domain plus the page Dim tURi As New Uri(BaseUrl, sUrl) sUrl = tURi.ToString End If 'if it's not already in the list then add it If Not aReturn.Contains(sUrl) Then aReturn.Add(sUrl) 'go to the next url HrefMatch = HrefMatch.NextMatch End While Catch ex As Exception 'catch ex here. I left it blank while debugging End Try Return aReturn End Function Private Overloads Function GrabUrls(ByVal url As String, ByRef aReturn As ArrayList, ByRef aNew As ArrayList) As ArrayList 'overloads function to check duplicates in aNew and aReturn 'temp url arraylist Dim tUrls As ArrayList = GrabUrls(url) 'used to return the list Dim tReturn As New ArrayList 'check each item to see if it exists, so not to grab the urls again For Each item As String In tUrls If Not aReturn.Contains(item) AndAlso Not aNew.Contains(item) Then tReturn.Add(item) End If Next Return tReturn End Function

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  • manage user permissions in php

    - by user420528
    i am creating a marks management system using php & mysqlwhere the concerned faculty will be able to login and enter the marks of the students. i can go with a simple table but the problem is there are 288 different subjects for which marks must be entered. So creating a mysql table with so many subjects does not look good for me. please suggest me the best way to manage user permissions so that only the corresponding faculty will be able to enter marks

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  • How Would you Mimic an Arbitrary Directory Structure with Rails Routes?

    - by viatropos
    I want to be able to map Google Docs' folder system to urls in my application and am just wondering how I can say "route, I want you to match an arbitrary set of nodes, and the last one is the file (or possibly a directory, I can check in the controller)". So I could do things like: www.mysite.com/documents/folder1/childfolderA/document www.mysite.com/documents/root-level-doc Can the routes.rb file do something like this?

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