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  • RIA Service - without database?

    - by Heko
    Helo! I need to write a RIA service to call Java webservices from Silverlight 3.0 app. I'm testing how stuff works and in my Web app I have a MyData class which has 2 properties (int ID, string Text): namespace SilverlightApplication1.Web { public class MyData { [Key] public int ID { get; set; } public string Text { get; set; } } } Then I wrote simple DomainService: [EnableClientAccess()] public class MyService : DomainService { public IQueryable<MyData> GetMyData(string Url) { // here I will call my WebService List<MyData> result = new List<MyData>(); result.Add(new MyData { ID = 1, Text = Url }); return result.AsQueryable(); } } } How can I get data into my SL app? Now I have this: namespace SilverlightApplication1 { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); MyContext context = new MyContext(); } } } I called and load but nothink worsk (exceptions, or nulls)... I had Invoke annotation but MyData is not TEntity and I can't use Strings or other simple types as well... :/ I'm reading and reading posts and nothing works like it should.. Any help would be really appreciated. Thank you!

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  • .Net Hash Codes no longer persistent?

    - by RobV
    I have an API where various types have custom hash codes. These hash codes are based on getting the hash of a string representation of the object in question. Various salting techniques are used so that as far as possible Hash Codes do not collide and that Objects of different types with equivalent string representations have different Hash Codes. Obviously since the Hash Codes are based on strings there are some collisions (infinite strings vs the limited range of 32 bit integers). I use hashes based on string representations since I need the hashes to persist over sessions and particularly for use in database storage of objects. Suddenly today my code has started generating different hash codes for Objects which is breaking all kinds of things. It was working earlier today and I haven't touched any of the code involved in Hash Code generation. I'm aware that the .Net documentation allows for implementation of hash codes between .Net framework versions to change (and between 32 and 64 bit versions) but I haven't changed the framework version and there has been no framework updates recently as far as I can remember Any ideas because this seems really weird? Edit Hash Codes are generated like follows: //Compute Hash Code this._hashcode = (this._nodetype + this.ToString() + PlainLiteralHashCodeSalt).GetHashCode();

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  • What are the hibernate annotations used to persist a Map with an enumerated type as a key?

    - by Jason Novak
    I am having trouble getting the right hibernate annotations to use on a Map with an enumerated class as a key. Here is a simplified (and extremely contrived) example. public class Thing { public String id; public Letter startLetter; public Map<Letter,Double> letterCounts = new HashMap<Letter, Double>(); } public enum Letter { A, B, C, D } Here are my current annotations on Thing @Entity public class Thing { @Id public String id; @Enumerated(EnumType.STRING) public Letter startLetter; @CollectionOfElements @JoinTable(name = "Thing_letterFrequencies", joinColumns = @JoinColumn(name = "thingId")) @MapKey(columns = @Column(name = "letter", nullable = false)) @Column(name = "count") public Map<Letter,Double> letterCounts = new HashMap<Letter, Double>(); } Hibernate generates the following DDL to create the tables for my MySql database create table Thing (id varchar(255) not null, startLetter varchar(255), primary key (id)) type=InnoDB; create table Thing_letterFrequencies (thingId varchar(255) not null, count double precision, letter tinyblob not null, primary key (thingId, letter)) type=InnoDB; Notice that hibernate tries to define letter (my map key) as a tinyblob, however it defines startLetter as a varchar(255) even though both are of the enumerated type Letter. When I try to create the tables I see the following error BLOB/TEXT column 'letter' used in key specification without a key length I googled this error and it appears that MySql has issues when you try to make a tinyblob column part of a primary key, which is what hibernate needs to do with the Thing_letterFrequencies table. So I would rather have letter mapped to a varchar(255) the way startLetter is. Unfortunately, I've been fussing with the MapKey annotation for a while now and haven't been able to make this work. I've also tried @MapKeyManyToMany(targetEntity=Product.class) without success. Can anyone tell me what are the correct annotations for my letterCounts map so that hibernate will treat the letterCounts map key the same way it does startLetter?

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  • jQuery innerHTML does not work properly (!)

    - by Kayes
    I was trying to build an <a> tag and set it in a <td> of a table. The string is built perfectly but when I set this as the innerHTML using jQuery, the string gets broken. I can't figure out why this is happening? Any clues? Here's the string I want to set in the <td>: <a onclick='return EditIssueItemBatch('1c1e27a2-beac-4772-a26f-6a7e05529a65', '498ba483-ca06-4b23-b3a9-0085e4760ff1')'>Edit</a> But here is how it looks after setting as innerHTML: <A onclick="return EditIssueItemBatch(" ?498ba483-ca06-4b23-b3a9-0085e4760ff1?)? 1c1e27a2-beac-4772-a26f-6a7e05529a65?,>Edit</A> And the following is my code-snippet.. var tr = $("#itemIssueBatchListTable > tbody:last").children()[data.Index + 1]; ... ... var strBuff = []; strBuff.push("<a onclick='return EditIssueItemBatch('"); strBuff.push(data.ItemIssueBatch.ItemCode_FK); strBuff.push("', '"); strBuff.push(data.ItemIssueBatch.StockDetCode_FK); strBuff.push("')'>Edit</a>"); tr.cells[9].innerHTML = strBuff.join(""); ... ...

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  • C++ template member specialization - is this a compiler limitation?

    - by LoudNPossiblyRight
    Is it possible to do this kind of specialization? If so, how? The specialization in question is marked //THIS SPECIALIZATION WILL NOT COMPILE I have used VS2008, VS2010, gcc 4.4.3 and neither can compile this. #include<iostream> #include<string> using namespace std; template <typename ALPHA> class klass{ public: template <typename BETA> void func(BETA B); }; template <typename ALPHA> template <typename BETA> void klass<ALPHA>::func(BETA B){ cout << "I AM A BETA FUNC: " << B <<endl; } //THIS SPECIALIZATION WILL NOT COMPILE template <typename ALPHA> template <> void klass<ALPHA>::func(string B){ cout << "I AM A SPECIAL BETA FUNC: " << B <<endl; } int main(){ klass<string> k; k.func(1); k.func("hello"); return 0; }

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  • Trouble with go tour crawler exercise

    - by David Mason
    I'm going through the go tour and I feel like I have a pretty good understanding of the language except for concurrency. On slide 71 there is an exercise that asks the reader to parallelize a web crawler (and to make it not cover repeats but I haven't gotten there yet.) Here is what I have so far: func Crawl(url string, depth int, fetcher Fetcher, ch chan string) { if depth <= 0 { return } body, urls, err := fetcher.Fetch(url) if err != nil { ch <- fmt.Sprintln(err) return } ch <- fmt.Sprintf("found: %s %q\n", url, body) for _, u := range urls { go Crawl(u, depth-1, fetcher, ch) } } func main() { ch := make(chan string, 100) go Crawl("http://golang.org/", 4, fetcher, ch) for i := range ch { fmt.Println(i) } } The issue I have is where to put the close(ch) call. If I put a defer close(ch) somewhere in the Crawl method, then I end up writing to a closed channel in one of the spawned goroutines, since the method will finish execution before the spawned goroutines do. If I omit the call to close(ch), as is shown in my example code, the program deadlocks after all the goroutines finish executing but the main thread is still waiting on the channel in the for loop since the channel was never closed.

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  • java hashmap array to double array

    - by Tweety
    Hi, I declared LinkedHashMap<String, float[]> and now I want to convert float[] values into double[][]. I am using following code. LinkedHashMap<String, float[]> fData; double data[][] = null; Iterator<String> iter = fData.keySet().iterator(); int i = 0; while (iter.hasNext()) { faName = iter.next(); tValue = fData.get(faName); //data = new double[fData.size()][tValue.length]; for (int j = 0; j < tValue.length; j++) { data[i][j] = tValue[j]; } i++; } When I try to print data System.out.println(Arrays.deepToString(data)); it doesn't show the data :( I tried to debug my code and i figured out that I have to initialize data outside the while loop but then I don't know the array dimensions :( How to solve it? Thanks

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  • Database schema to store AND, OR relation, association

    - by user455387
    Many thanks for your help on this. In order for an entreprise to get a call for tender it must meet certain requirements. For the first example the enterprise must have a minimal class 4, and have qualification 2 in sector 5. Minimal class is always one number. Qualification can be anything (single, or multiple using AND, OR logical operators) I have created tables in order to map each number to it's given name. Now I need to store requirements in the database. minimal class 4 Sector Qualification 5.2 minimal class 2 Sector Qualifications 3.9 and 3.10 minimal class 3 Sector Qualifications 6.1 or 6.3 minimal class 1 Sector Qualifications (3.1 and 3.2) or 5.6 class Domain < ActiveRecord::Base has_many :domain_classes has_many :domain_sectors has_many :sector_qualifications, :through => :domain_sectors end class DomainClass < ActiveRecord::Base belongs_to :domain end class DomainSector < ActiveRecord::Base belongs_to :domain has_many :sector_qualifications end class SectorQualification < ActiveRecord::Base belongs_to :domain_sector end create_table "domains", :force => true do |t| t.string "name" end create_table "domain_classes", :force => true do |t| t.integer "number" t.integer "domain_id" end create_table "domain_sectors", :force => true do |t| t.string "name" t.integer "number" t.integer "domain_id" end create_table "sector_qualifications", :force => true do |t| t.string "name" t.integer "number" t.integer "domain_sector_id" end

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  • When should we use private variables and when should we use properties. Do Backing Fields should be

    - by Shantanu Gupta
    In most of the cases we usually creates a private variable and its corresponding public properties and uses them for performing our functionalities. Everyone has different approach like some people uses properties every where and some uses private variables within a same class as they are private and opens it to be used by external environment by using properties. Suppose I takes a scenario say insertion in a database. I creates some parameters that need to be initialized. I creates 10 private variables and their corresp public properties which are given as private string name; public string Name { get{return name;} set{name=value;} } and so on. In these cases mentioned above, what should be used internal variables or properties. And in those cases like public string Name { get{return name;} set{name=value>5?5:0;} //or any action can be done. this is just an eg. } In such cases what should be done.

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  • Memory optimization while downloading

    - by lboregard
    hello all i have the following piece of code, that im looking forward to optimize, since i'm consuming gobs of memory this routine is heavily used first optimization would be to move the stringbuilder construction out of the download routine and make it a field of the class, then i would clear it inside the routine can you please suggest any other optimization or point me in the direction of some resources that could help me with this (web articles, books, etc). i'm thinking about replacing the stringbuilder by a fixed (much larger) size buffer ... or perhaps create a larger sized stringbuilder thanks in advance. StreamWriter _writer; StreamReader _reader; public string Download(string msgId) { _writer.WriteLine("BODY <" + msgId + ">"); string response = _reader.ReadLine(); if (!response.StartsWith("222")) return null; bool done = false; StringBuilder body = new StringBuilder(256* 1024); do { response = _reader.ReadLine(); if (OnProgress != null) OnProgress(response.Length); if (response == ".") { done = true; } else { if (response.StartsWith("..")) response = response.Remove(0, 1); body.Append(response); body.Append("\r\n"); } } while (!done); return body.ToString(); }

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  • multiple screen support

    - by pedr0
    Hi at all, I have some problem with multiple screen support, I work with dp(dpi) for specify the layout_heigth and layout_width and I hope that is the better way to support multiple screen, but when I tried with two smartphone I meet two different result. I give an example, this is a layout I use: <?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/cities_main_layout" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ListView android:id="@+id/citieslist" android:layout_width="wrap_content" android:layout_height="320dip" android:layout_gravity="center_vertical" android:layout_below="@id/cities_main_layout" /> <LinearLayout android:id="@+id/cities_button_layout" android:orientation="horizontal" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/citieslist" android:layout_gravity="center_vertical"> <Button android:id="@+id/bycountry" android:layout_height="50dip" android:layout_width="105dip" android:background="@drawable/buttonmarket" android:text="@string/button_bycountry" /> <Button android:id="@+id/top10" android:layout_height="50dip" android:layout_width="105dip" android:background="@drawable/buttonmarket" android:text="@string/button_top10" /> <Button android:id="@+id/recommended" android:layout_height="50dip" android:layout_width="105dip" android:background="@drawable/buttonmarket" android:text="@string/button_recommended" /> </LinearLayout> </RelativeLayout> The button are at the bottom of the layout, and I see two different result: In the last smartphone I can see the buttons, instead in the first I cannot...what's wrong? I have to write a layout for any set of screen??!!!

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  • how to get email id from google api response

    - by user1726508
    i am able to get user information from Google API response using oath2 . But i do't know how to get those responses individually . Response i am getting from Google Api: * Access token: ya29.AHES6ZQ3QxKxnfAzpZasdfd23423NuxJs29gMa39MXV551yMmyM5IgA { "id": "112361893525676437860", "name": "Ansuman Singh", "given_name": "Ansuman", "family_name": "Singh", "link": "https://plus.google.com/112361893525676437860", "gender": "male", "birthday": "0000-03-18", "locale": "en" } Original Token: ya29.AHES6ZQ3QxKxnfAzpZu0lYHYu8sdfsdafdgMa39MXV551yMmyM5IgA New Token: ya29.AHES6ZQ3QxKxnfdsfsdaYHYu8TNuxJs29gMa39MXV551yMmyM5IgA But i want only "id" & "name" indiviually to save in my Database table. How can i do this? I got those above response/output By using the below code. public static void main(String[] args) throws IOException { ------------------------- ------------------------- ------------------------- String accessToken = authResponse.accessToken; GoogleAccessProtectedResource access = new GoogleAccessProtectedResource(accessToken, TRANSPORT, JSON_FACTORY, CLIENT_ID, CLIENT_SECRET, authResponse.refreshToken); HttpRequestFactory rf = TRANSPORT.createRequestFactory(access); System.out.println("Access token: " + authResponse.accessToken); String url = "https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=" + authResponse.accessToken; final StringBuffer r = new StringBuffer(); final URL u = new URL(url); final URLConnection uc = u.openConnection(); final int end = 1000; InputStreamReader isr = null; BufferedReader br = null; isr = new InputStreamReader(uc.getInputStream()); br = new BufferedReader(isr); final int chk = 0; while ((url = br.readLine()) != null) { if ((chk >= 0) && ((chk < end))) { r.append(url).append('\n'); } } System.out.print(""); System.out.println(); System.out.print(" "+ r ); //this is printing at once but i want them individually access.refreshToken(); System.out.println("Original Token: " + accessToken + " New Token: " + access.getAccessToken()); }

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  • How to merge arraylist element ?

    - by tiendv
    I have a string example = " Can somebody provide an algorithm sample code in your reply ", after token and do some i want on string example i have arraylist like : ArrayList <token > arl = " "Can somebody provide ", "code in your ", "somebody provide an algorith", " in your reply" ) "Can somebody provide ", i know position start and end in string test : star = 1 end = 3 " code in your ", i know position stat = 7 end = 10, "somebody provide an algorith", i know position stat = 7 end = 10, "in your reply" i know position stat = 11 end = 14, we can see,some element in arl overlaping :"Can somebody provide "," code in your ","somebody provide an algorith". The problem here is how can i merge overlaping element to recived arraylist like ArrayList result ="" Can somebody provide an algorithm sample code","" in your reply""; Here my code : but it only merge fist elecment if check is overloaping public ArrayList<TextChunks> finalTextChunks(ArrayList<TextChunks> textchunkswithkeyword) { ArrayList<TextChunks > result = (ArrayList<TextChunks>) textchunkswithkeyword.clone(); //System.out.print(result.size()); int j; for(int i=0;i< result.size() ;i++) { int index = i; if(i+1>=result.size()){ break; } j=i+1; if(result.get(i).checkOverlapingTwoTextchunks(result.get(j))== true) { TextChunks temp = new TextChunks(); temp = handleOverlaping(textchunkswithkeyword.get(i),textchunkswithkeyword.get(j),resultSearchEngine); result.set(i, temp); result.remove(j); i = index; continue; } } return result; } Thanks in avadce

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  • Arrays not counting correctly

    - by Nick Gibson
    I know I was just asking a question earlier facepalm This is in Java coding by the way. Well after everyones VERY VERY helpful advice (thank you guys alot) I managed to get over half of the program running how I wanted. Everything is pointing in the arrays where I want them to go. Now I just need to access the arrays so that It prints the correct information randomly. This is the current code that im using: http://pastebin.org/301483 The specific code giving me problems is this: long aa; int abc; for (int i = 0; i < x; i++) { aa = Math.round(Math.random()*10); String str = Long.toString(aa); abc = Integer.parseInt(str); String[] userAnswer = new String[x]; if(abc > x) { JOptionPane.showMessageDialog(null,"Number is too high. \nNumber Generator will reset."); break; } userAnswer[i] = JOptionPane.showInputDialog(null,"Question "+quesNum+"\n"+questions[abc]+"\n\nA: "+a[abc]+"\nB: "+b[abc]+"\nC: "+c[abc]+"\nD: "+d[abc]); answer = userAnswer[i].compareTo(answers[i]); if(answer == 0) { JOptionPane.showMessageDialog(null,"Correct. \nThe Correct Answer is "+answers[abc]+""+i); } else { JOptionPane.showMessageDialog(null,"Wrong. \n The Correct Answer is "+answers[abc]+""+i); }//else

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  • Sending a password securely using gwt and app engine?

    - by user246114
    Hi, I set up session handling on a google app project. This is supposed to allow my users to login and maintain state across pages. I just dumped it into the default greeting service to try it out: public class GreetingServiceImpl extends RemoteServiceServlet implements GreetingService { public void sessionTest(String username) { HttpSession session = getThreadLocalRequest().getSession(false); session.setAttribute("username", username); } } then attempting to pull it out in my landing project.jsp page: <% String username = null; HttpSession mysession = request.getSession(false); if (mysession.getAttribute("username") != null) { username = (String)mysession.getAttribute("username"); } else { username = "(not logged in yet)"; } <p>You are: <%= username %> </p> %> It works, but I don't know how to send the data in sessionTest() securely. If I were sending the user's password in there too, it would be in the clear. This would be ok (I think) if I was using https, but google app engine does not allow you to use https under custom domains (like www.mysite.com), they have to be under the (mysite.appspot.com) domain. I'm kind of stuck here - how do we send passwords securely? If I was using php, I think I could use digest authentication (I'm not too experienced here) - can we do something like that with gwt + gae? Thanks

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  • Class with property referenced with dll not serializing

    - by djerry
    Hey guys, I got this class TapiCall. It has 4 properties : 2 datetimes, 1 string and an object. The object is a class that's referenced by Atapi3.dll, so i cannot alter it. My class TapiCall looks like this : [DataContract] public class TapiCall { private DateTime start, end; private TCall call; private string status; [DataMember] public string Status { get { return status; } set { status = value; } } [DataMember] public TCall Call { get { return call; } set { call = value; } } [DataMember] public DateTime End { get { return end; } set { end = value; } } [DataMember] public DateTime Start { get { return start; } set { start = value; } } public TapiCall() { } public TapiCall(DateTime start, DateTime end, TCall call) { this.Start = start; this.End = end; this.Call = call; } } Now when i use my visual studio command line, to generate my proxy class, it generates an error. When i remove TapiCall from the method in my app, i can rebuild my proxy again, so i know [OperationContract] void StuurUpdatedCall(TapiCall tpCall); is causing the problem. My question now is can i Serialize a class that's referenced by a dll? Thanks in advance.

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  • Stored procedure or function expects parameter which is not supplied

    - by user2920046
    I am trying to insert data into a SQL Server database by calling a stored procedure, but I am getting the error Procedure or function 'SHOWuser' expects parameter '@userID', which was not supplied. My stored procedure is called "SHOWuser". I have checked it thoroughly and no parameters is missing. My code is: public void SHOWuser(string userName, string password, string emailAddress, List preferences) { SqlConnection dbcon = new SqlConnection(conn); try { SqlCommand cmd = new SqlCommand(); cmd.Connection = dbcon; cmd.CommandType = System.Data.CommandType.StoredProcedure; cmd.CommandText = "SHOWuser"; cmd.Parameters.AddWithValue("@userName", userName); cmd.Parameters.AddWithValue("@password", password); cmd.Parameters.AddWithValue("@emailAddress", emailAddress); dbcon.Open(); int i = Convert.ToInt32(cmd.ExecuteScalar()); cmd.Parameters.Clear(); cmd.CommandText = "tbl_pref"; foreach (int preference in preferences) { cmd.Parameters.Clear(); cmd.Parameters.AddWithValue("@userID", Convert.ToInt32(i)); cmd.Parameters.AddWithValue("@preferenceID", Convert.ToInt32(preference)); cmd.ExecuteNonQuery(); } } catch (Exception) { throw; } finally { dbcon.Close(); } and the stored procedure is: ALTER PROCEDURE [dbo].[SHOWuser] -- Add the parameters for the stored procedure here ( @userName varchar(50), @password nvarchar(50), @emailAddress nvarchar(50) ) AS BEGIN INSERT INTO tbl_user(userName,password,emailAddress) values(@userName,@password,@emailAddress) select tbl_user.userID,tbl_user.userName,tbl_user.password,tbl_user.emailAddress, stuff((select ',' + preferenceName from tbl_pref_master inner join tbl_preferences on tbl_pref_master.preferenceID = tbl_preferences.preferenceID where tbl_preferences.userID=tbl_user.userID FOR XML PATH ('')),1,1,' ' ) AS Preferences from tbl_user SELECT SCOPE_IDENTITY(); END Pls help, Thankx in advance...

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  • No database connection when trying to use IIS locally with asp.net MVC 1.0

    - by mark4asp
    Login failed for user ''. The user is not associated with a trusted SQL Server connection. When I try to use IIS locally instead of Cassini I get this error. The ASP.NET MVC 1.0 site is running on WinXP. The database is local and has SQL Server and Windows Authentification mode enabled. The website runs OK using Cassini, with the same connection string. It fails when I try to use IIS instead of Cassini. These permissions are set on the Virtual directory which IIS points to. ASP.NET Machine Account [Full Control] Internet Guest Account [Full Control] System [Full Control] This virtual directory is the same are the directory holding my project files. I am using Linq and the database connection string is stored in the App.config file of my data project. I get the same error whether I set the connection string to use Windows or Sql server authentification. My sql server has both [MyMachineName\ASPNET] and SqlServerUser Logins and a User on the database. CREATE LOGIN [MyMachineName\ASPNET] FROM WINDOWS WITH DEFAULT_DATABASE=[master], DEFAULT_LANGUAGE=[us_english] Use My_database CREATE USER [MyMachineName\ASPNET] FOR LOGIN [MyMachineName\ASPNET] WITH DEFAULT_SCHEMA=[dbo] CREATE LOGIN [MwMvcLg] WITH PASSWORD=N'blahblah', DEFAULT_DATABASE=[master], DEFAULT_LANGUAGE=[British], CHECK_EXPIRATION=OFF, CHECK_POLICY=ON Use My_database CREATE USER [MwMvcLg] FOR LOGIN [MwMvcLg] WITH DEFAULT_SCHEMA=[dbo] How come I have no problem running this website on IIS6 remotely. Why does IIS5.1, running locally, need these extra logins? PS: My overwhelming preference is to use Sql Server authentification - as this is how it runs when deployed.

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  • Should try...catch go inside or outside a loop?

    - by mmyers
    I have a loop that looks something like this: for(int i = 0; i < max; i++) { String myString = ...; float myNum = Float.parseFloat(myString); myFloats[i] = myNum; } This is the main content of a method whose sole purpose is to return the array of floats. I want this method to return null if there is an error, so I put the loop inside a try...catch block, like this: try { for(int i = 0; i < max; i++) { String myString = ...; float myNum = Float.parseFloat(myString); myFloats[i] = myNum; } } catch (NumberFormatException ex) { return null; } But then I also thought of putting the try...catch block inside the loop, like this: for(int i = 0; i < max; i++) { String myString = ...; try { float myNum = Float.parseFloat(myString); } catch (NumberFormatException ex) { return null; } myFloats[i] = myNum; } So my question is: is there any reason, performance or otherwise, to prefer one over the other? EDIT: The consensus seems to be that it is cleaner to put the loop inside the try/catch, possibly inside its own method. However, there is still debate on which is faster. Can someone test this and come back with a unified answer? (EDIT: did it myself, but voted up Jeffrey and Ray's answers)

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  • How To Block The UserName After 3 Invalid Password Attempts IN ASP.NET

    - by shihab
    I used the following code for checking user name and password. and I want ti block the user name after 3 invalid password attempt. what should I add in my codeing MD5CryptoServiceProvider md5hasher = new MD5CryptoServiceProvider(); Byte[] hashedDataBytes; UTF8Encoding encoder = new UTF8Encoding(); hashedDataBytes = md5hasher.ComputeHash(encoder.GetBytes(TextBox3.Text)); StringBuilder hex = new StringBuilder(hashedDataBytes.Length * 2); foreach (Byte b in hashedDataBytes) { hex.AppendFormat("{0:x2}", b); } string hash = hex.ToString(); SqlConnection con = new SqlConnection("Data Source=Shihab-PC;Initial Catalog=test;User ID=SOMETHING;Password=SOMETHINGELSE"); SqlDataAdapter ad = new SqlDataAdapter("select password from Users where UserId='" + TextBox4.Text + "'", con); DataSet ds = new DataSet(); ad.Fill(ds, "Users"); SqlDataAdapter ad2 = new SqlDataAdapter("select UserId from Users ", con); DataSet ds2 = new DataSet(); ad2.Fill(ds2, "Users"); Session["id"] = TextBox4.Text.ToString(); if ((string.Compare((ds.Tables["Users"].Rows[0][0].ToString()), hash)) == 0) { if (string.Compare(TextBox4.Text, (ds2.Tables["Users"].Rows[0][0].ToString())) == 0) { Response.Redirect("actioncust.aspx"); } else { Response.Redirect("actioncust.aspx"); } } else { Label2.Text = "Invalid Login"; } con.Close(); }

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  • Elements of a Java Object Array are created but without correct names

    - by Greenhouse Gases
    Hi all Im having rather an annoying problem. I have a class called Person and a class called Event which serve to create objects to be used for competitors that compete in a certain event. When I add a competitor thats fine and the GUI list updates accordingly, however when I add an event the element in the array does not take on the value of the instance variable name in the class Event and so the GUI does not show the event name, though it is being added in the array correctly. How can I make it so that the event object in each element of the listOfEvents array (which is an array of event objects) has the name of the event. I should add this is for university though this isnt the part for which we will be assessed, it is somethign i have come across and due to not being able to see the code for the GUI, I've hit the proverbial brick wall. I wont include the whole load of code Ive been writing but hopefully my description and snippets below will suffice. Any advice I would appreciate greatly. No doubt I have overlooked something simple! Many thanks. listOfEvents is declared as: Event[] listOfEvents = new Event[20]; A snippet from the Event class: public class Event { String name; Person[] participants = new Person[10]; // array of competitors for the event public Event(String name) { this.name = name; } } and its use in the addEvent method (p is a global variable): public void addEvent(String eventName) { listOfEvents[p] = new Event(eventName); p++; }

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  • NHibernate Criteria Find by Id

    - by user315648
    Hello, I have 2 entities: public class Authority : Entity { [NotNull, NotEmpty] public virtual string Name { get; set; } [NotNull] public virtual AuthorityType Type { get; set; } } public class AuthorityType : Entity { [NotNull, NotEmpty] public virtual string Name { get; set; } public virtual string Description { get; set; } } Now I wish to find all authorities from repository by type. I tried doing it like this: public IList<Authority> GetAuthoritiesByType(int id) { ICriteria criteria = Session.CreateCriteria(typeof (Authority)); criteria.Add(Restrictions.Eq("Type.Id", id)); IList<Authority> authorities = criteria.List<Authority>(); return authorities; } However, I'm getting an error that something is wrong with the SQL ("could not execute query". The innerexception is following: {"Invalid column name 'TypeFk'.\r\nInvalid column name 'TypeFk'."} Any advice ? Any other approach ? Best wishes, Andrew

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  • C# : How to round-off hours based on Minutes(hours+0 if min<30, hours+1 otherwise) ?

    - by infant programmer
    I need to round-off the hours based on the minutes in a dateTime variable. The condition is : if minutes are less than 30, then minutes must be set to zero and no changes to hours, Else if minutes =30, then hours must be set to hours+1 and minutes are again set to zero. Seconds are ignored. example: 11/08/2008 04:30:49 should become 11/08/2008 05:00:00 and 11/08/2008 04:29:49 should become 11/08/2008 04:00:00 I have written a Code which works perfectly fine, but just wanted to know a better method if could be written and also would appreciate alternative method(s). string date1 = "11/08/2008 04:30:49"; DateTime startTime; DateTime.TryParseExact(date1, "MM/dd/yyyy HH:mm:ss", null, System.Globalization.DateTimeStyles.None, out startTime); if (Convert.ToInt32((startTime.Minute.ToString())) > 29) { startTime = DateTime.Parse(string.Format("{0}/{1}/{2} {3}:{4}:{5}", startTime.Month.ToString(), startTime.Day.ToString(), startTime.Year.ToString(), startTime.Hour.ToString(), "00", "00")); startTime = startTime.Add(TimeSpan.Parse("01:00:00")); Console.WriteLine("startTime is :: {0}", startTime.ToString("MM/dd/yyyy HH:mm:ss")); } else { startTime = DateTime.Parse(string.Format("{0}/{1}/{2} {3}:{4}:{5}", startTime.Month.ToString(), startTime.Day.ToString(), startTime.Year.ToString(), startTime.Hour.ToString(), "00", "00")); Console.WriteLine("startTime is :: {0}", startTime.ToString("MM/dd/yyyy HH:mm:ss")); }

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  • How to deal with unknown entity references?

    - by Chris
    I'm parsing (a lot of) XML files that contain entity references which i dont know in advance (can't change that fact). For example: xml = "<tag>I'm content with &funny; &entity; &references;.</tag>" when i try to parse this using the following code: final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); final DocumentBuilder db = dbf.newDocumentBuilder(); final InputSource is = new InputSource(new StringReader(xml)); final Document d = db.parse(is); i get the following exception: org.xml.sax.SAXParseException: The entity "funny" was referenced, but not declared. but, what i do want to achieve is, that the parser replaces every entity that is not declared (unknown to the parser) with an empty String ''. Or even better, is there a way to pass a map to the parser like: Map<String,String> entityMapping = ... entityMapping.put("funny","very"); entityMapping.put("entity","important"); entityMapping.put("references","stuff"); so that i could do the following: final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); final DocumentBuilder db = dbf.newDocumentBuilder(); final InputSource is = new InputSource(new StringReader(xml)); db.setEntityResolver(entityMapping); final Document d = db.parse(is); if i would obtain the text from the document using this example code i should receive: I'm content with very important stuff. Any suggestions? Of course, i already would be happy to just replace the unknown entity's with empty strings. Thanks,

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  • Problem FlashVars parameter asp.net

    - by sofie-vo
    Code for asp.net page <%@ Page Language="VB" AutoEventWireup="false" CodeFile="trainingupload.aspx.vb" Inherits="trainingupload" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div height> <object width="1000" height="800"> <param name="movie" value="player.swf" /> <param name="FlashVars" value='userid=<%=String.Format(getuser())%>" '/> <embed src="bin-release/trainingscentrum.swf" FlashVars='userid=<%=String.Format(getuser())%>" ' width="1500" height="800" /> </embed> </object> </div> </form> </body> </html> Code behind Public Function getuser() As Guid Dim user As MembershipUser = Membership.GetUser() Dim userid As Guid = (CType(user.ProviderUserKey, Guid)) Return userid End Function In the code above I use an function to return the userid. When I replace <%=String.Format(getuser())% with an actual userid, I get the value in my flex application. But this code returns nothing. What am I doing wrong?

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