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  • Is the IP from the source or target in this System.Net.Sockets.SocketException?

    - by Jeremy Mullin
    I'm making an outbound connection using a DNS name to a server other than the localhost, and I get this exception: System.Net.WebException: Unable to connect to the remote server --- System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:5555 The text implies that the TARGET machine refused the connection, but the IP address and port are from the localhost, which is kind of confusing. So is that IP address really the outgoing IP and port, even though the exception was caused by the target refusing the connection? Or is the exception from the local firewall blocking the outgoing connection?

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  • Could you help me write a proper query in rails for accessing the following information?

    - by aditi-syal
    @workname = [] @recos = [] @bas = [] if current_user.recommendations.size != 0 current_user.recommendations.each do |r| if r.work_type == 'J' @job = Job.find_by_id(r.work_id) @workname.push "#{@job.title} at #{@job.company.name}" else @qualification = Qualification.find_by_id(r.work_id) @workname.push "Student at #{@qualification.school_name}" end @recommender = User.find_by_id(r.recommender_id) if r.recommender_work_type == 'J' @job = Job.find_by_id(r.recommender_work_id) @recos.push "#{@recommender.first_name} #{@recommender.last_name}" @bas.push "#{r.basis.gsub("You","#{@job.title} at #{@job.company.name}")}" else @qualification = Qualification.find_by_id(r.recommender_work_id) @recos.push "#{@recommender.first_name} #{@recommender.last_name} as " @bas.push "#{r.basis.gsub("You","Student at #{@qualification.school_name}")}" end end end

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  • Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more i

    - by pooyakhamooshi
    I have developed an application using Entity Framework, SQL Server 2000, VS 2008 and Enterprise Library. It works absolutely fine locally but when I deploy the project to our test environment, I am getting the following error: "Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information." Stack trace: at System.Reflection.Module._GetTypesInternal(StackCrawlMark& stackMark) at System.Reflection.Assembly.GetTypes() at System.Data.Metadata.Edm.ObjectItemCollection.AssemblyCacheEntry.LoadTypesFromAssembly(LoadingContext context) at System.Data.Metadata.Edm.ObjectItemCollection.AssemblyCacheEntry.InternalLoadAssemblyFromCache(LoadingContext context) at System.Data.Metadata.Edm.ObjectItemCollection.AssemblyCacheEntry.LoadAssemblyFromCache(Assembly assembly, Boolean loadReferencedAssemblies, Dictionary2 knownAssemblies, Dictionary2& typesInLoading, List`1& errors) at System.Data.Metadata.Edm.ObjectItemCollection.LoadAssemblyFromCache(ObjectItemCollection objectItemCollection, Assembly assembly, Boolean loadReferencedAssemblies) at System.Data.Metadata.Edm.ObjectItemCollection.LoadAssemblyForType(Type type) at System.Data.Metadata.Edm.MetadataWorkspace.LoadAssemblyForType(Type type, Assembly callingAssembly) at System.Data.Objects.ObjectContext.CreateQueryT Entity Framework seems to have issue, any clue how to fix it?

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  • PHP Form: After getting results adding a new table row when entering new information.

    - by Chris
    Hello, Although probarly quite simple, i cannot seem to find the following. The form takes certain data, and then represents the data in a table. Next step i click the hyperlink that takes me back to the form. Now my question is how exactly do i make it possible when filling in the same form again so both results are displayed in the same table? Then filling in a other form with data adds another row and so on. Regards. The code below (pardon me that it is not english). <?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>ExpoFormulier</title> <body> <?php if (!empty($_POST)) { $standnaam = $_POST["standnaam"]; $oppervlakte = $_POST["oppervlakte"]; //value in the form van checkboxes op 1 zetten! $verdieping = isset($_POST["verdieping"]) ? $_POST["verdieping"] : 0; //if checkbox checked value 1 anders 0 $telefoon = isset($_POST["telefoon"]) ? $_POST["telefoon"] : 0; $netwerk = isset($_POST["netwerk"]) ? $_POST["netwerk"] : 0; if (is_numeric($oppervlakte)) { $_SESSION["standnaam"]=$standnaam; $_SESSION["oppervlakte"]=$oppervlakte; $_SESSION["verdieping"]=$verdieping; $_SESSION["telefoon"]=$telefoon; $_SESSION["netwerk"]=$netwerk; header("Location:ExpoOverzicht.php"); //verzenden naar ExpoOverzicht.php dmv header } else { echo "<h1>Foute gegevens, Opnieuw invullen a.u.b</h1>"; } } ?> <form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="post" id="form1"> <h1>Vul de gegevens in</h1> <table> <tr> <td>Standnaam:</td> <td><input type="text" name="standnaam" size="18"/></td> </tr> <tr> <td>Oppervlakte (in m^2):</td> <td><input type="text" name="oppervlakte" size="6"/></td> </tr> <tr> <td>Verdieping:</td> <td><input type="checkbox" name="verdieping" value="1"/></td> <!--value op 1 zetten voor checkbox! indien checked is value 1 --> </tr> <tr> <td>Telefoon:</td> <td><input type="checkbox" name="telefoon" value="1"/></td> </tr> <tr> <td>Netwerk:</td> <td><input type="checkbox" name="netwerk" value="1"/></td> </tr> <tr> <td><input type="submit" name="verzenden" value="Verzenden"/></td> </tr> </table> </form> Second File: <?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>ExpoOverzicht</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link href="StyleSheetExpo.css" rel="stylesheet" type="text/css" /> </head> <body> <h1>Overzicht van de ingegeven standen in deze sessie</h1> <?php $standnaam = $_SESSION["standnaam"]; $oppervlakte = $_SESSION["oppervlakte"]; $verdieping = $_SESSION["verdieping"]; $telefoon = $_SESSION["telefoon"]; $netwerk = $_SESSION["netwerk"]; $result1 = 0; //telkens declaren anders fout "undefined variable" $result2 = 0; $result3 = 0; $prijsCom = 0; $prijsVerdieping = 0; for ($i=1; $i <= $oppervlakte; $i++) { if($i <= 10) { $tarief1 = 1 * 100; $result1 += $tarief1; } if($i > 10 && $i <= 30) { $tarief2 = 1 * 90; $result2 += $tarief2; } if($i > 30) { $tarief3 = 1 * 80; $result3 += $tarief3; } } $prijsOpp = $result1 + $result2 + $result3; if($verdieping == 1) { $prijsVerdieping = $oppervlakte * 120; } if(($telefoon == 1) || ($netwerk == 1)) // eerst deze OR conditie of anders gebruikt de code alleen nog maar 20 { $prijsCom = 20; } if(($telefoon == 1) && ($netwerk == 1)) { $prijsCom = 30; } $totalePrijs = $prijsOpp + $prijsVerdieping + $prijsCom; echo "<table class=\"tableExpo\">"; echo "<th>Standnaam</th>"; echo "<th>Oppervlakte</th>"; echo "<th>Verdieping</th>"; echo "<th>Telefoon</th>"; echo "<th>Netwerk</th>"; echo "<th>Totale prijs</th>"; echo "<tr>"; echo "<td>".$standnaam."</td>"; echo "<td>".$oppervlakte."</td>"; echo "<td>".$verdieping."</td>"; echo "<td>".$telefoon."</td>"; echo "<td>".$netwerk."</td>"; echo "<td>".$totalePrijs."</td>"; echo "</tr>"; echo "</table>"; ?> <a href="ExpoFormulier.php">Terug naar het formulier</a> </body> </html> </body> </html>

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  • SOLRNET/SOLR Logging: Need to log specific information on whether a document is added or updated.

    - by user356125
    Hi guys, I am having a big problem trying to find a logging option for our SOLR integration. Recently I have started using SOLRNET to add documents from the database in batches as previously we were just renewing the entire index every morning. So far this solution is working very well and is exactly what we wanted. However, I am in need of a solution that will log every document being added and can also differentiate between an "add" or an "update". It seems posting to solr handles it in a way where "if the document exists, overwrite it; If not then add" but in the catalina logfile this operations looks identical no matter what the scenario. My question is; Are there any logging solutions out there that can accomplish this, the current default logging options in solr that log to catalina are insufficient. Many thanks for any help.

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  • Is it more efficient to always run a delete query, or to check if that information exists first

    - by Scarface
    Ok this is going to seem like a dumb question to experienced developers, but questions like this bother me until I ask them. So... is it more efficient to always run a delete query by default whether an entry exists or not, for example to delete a user name after a certain period of time (DELETE * from table where username=user), or should you check if that entry exists first using a select query and mysql_num_rows. What uses more processor on the server side? Obviously one approach contains more code, but I was wondering if certain mysql operations used a lot more cpu than others.

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  • Using only alphanumeric characters(a-z) inside toCharArray

    - by Aaron
    Below you will find me using toCharArray in order to send a string to array. I then MOVE the value of the letter using a for statement... for(i = 0; i < letter.length; i++){ letter[i] += (shiftCode); System.out.print(letter[i]); } However, when I use shiftCode to move the value such as... a shifted by -1; I get a symbol @. Is there a way to send the string to shiftCode or tell shiftCode to ONLY use letters? I need it to see my text, like "aaron", and when I use the for statement iterate through a-z only and ignore all symbols and numbers. I THINK it is as simple as... letter=codeWord.toCharArray(a,z); But trying different forms of that and googling it didn't give me any results. Perhaps it has to do with regex or something? Below you will find a complete copy of my program; it works exactly how I want it to do; but it iterates through letters and symbols. I also tried finding instructions online for toCharArray but if there exists any arguments I can't locate them. My program... import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /* * Aaron L. Jones * CS219 * AaronJonesProg3 * * This program is designed to - * Work as a Ceasar Cipher */ /** * * Aaron Jones */ public class AaronJonesProg3 { static String codeWord; static int shiftCode; static int i; static char[] letter; /** * @param args the command line arguments */ public static void main(String[] args) throws IOException { // Instantiating that Buffer Class // We are going to use this to read data from the user; in buffer // For performance related reasons BufferedReader reader; // Building the reader variable here // Just a basic input buffer (Holds things for us) reader = new BufferedReader(new InputStreamReader(System.in)); // Java speaks to us here / We get it to query our user System.out.print("Please enter text to encrypt: "); // Try to get their input here try { // Get their codeword using the reader codeWord = reader.readLine(); // Make that input upper case codeWord = codeWord.toUpperCase(); // Cut the white space out codeWord = codeWord.replaceAll("\\s",""); // Make it all a character array letter = codeWord.toCharArray(); } // If they messed up the input we let them know here and end the prog. catch(Throwable t) { System.out.println(t.toString()); System.out.println("You broke it. But you impressed me because" + "I don't know how you did it!"); } // Java Speaks / Lets get their desired shift value System.out.print("Please enter the shift value: "); // Try for their input try { // We get their number here shiftCode = Integer.parseInt(reader.readLine()); } // Again; if the user broke it. We let them know. catch(java.lang.NumberFormatException ioe) { System.out.println(ioe.toString()); System.out.println("How did you break this? Use a number next time!"); } for(i = 0; i < letter.length; i++){ letter[i] += (shiftCode); System.out.print(letter[i]); } System.out.println(); /**************************************************************** **************************************************************** ***************************************************************/ // Java speaks to us here / We get it to query our user System.out.print("Please enter text to decrypt: "); // Try to get their input here try { // Get their codeword using the reader codeWord = reader.readLine(); // Make that input upper case codeWord = codeWord.toUpperCase(); // Cut the white space out codeWord = codeWord.replaceAll("\\s",""); // Make it all a character array letter = codeWord.toCharArray(); } // If they messed up the input we let them know here and end the prog. catch(Throwable t) { System.out.println(t.toString()); System.out.println("You broke it. But you impressed me because" + "I don't know how you did it!"); } // Java Speaks / Lets get their desired shift value System.out.print("Please enter the shift value: "); // Try for their input try { // We get their number here shiftCode = Integer.parseInt(reader.readLine()); } // Again; if the user broke it. We let them know. catch(java.lang.NumberFormatException ioe) { System.out.println(ioe.toString()); System.out.println("How did you break this? Use a number next time!"); } for(i = 0; i < letter.length; i++){ letter[i] += (shiftCode); System.out.print(letter[i]); } System.out.println(); } }

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  • Microsoft CRM could not log you on to the system. Make sure your user record...

    - by Willy
    "Microsoft CRM could not log you on to the system. Make sure your user record is enabled and that you have been assigned at least one security role. For more information, contact your system administrator." When I RDP into the server and try Microsoft CRM Workflow Manager/Monitor with http or https connectivity, it doesn't work. "The specified Microsoft CRM server is not responding. This might happen if it is currently unavaliable, it is not a Microsoft CRM server, or you are not a valid user. Contact your sys-admin." This is a Microsoft CRM v3.0 / Microsoft SQL server 2005 box, Active directory is on a seperate box.. When I right click Microsoft CRM Worlkflow Service, properties, log on: it shows "crmtestuser" and a password. I did not RDP or try logging in as that crmtestuser, but I am Admin... Could this be a clue? What can I try?

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  • Maven 2 assembly with dependencies: jar under scope "system" not included.

    - by YuppieNetworking
    Hello, I am using maven-assembly plugin to create a jar of my application, including its dependencies as follows: <assembly> <id>macosx</id> <formats> <format>tar.gz</format> <format>dir</format> </formats> <dependencySets> <dependencySet> <includes> <include>*:jar</include> </includes> <outputDirectory>lib</outputDirectory> </dependencySet> </dependencySets> </assembly> (I omitted some other stuff that is not related to the question) So far this has worked fine because it creates a lib directory with all dependencies. However, I recently added a new dependency whose scope is system, and it does not copy it to the lib output directory. i must be missing something basic here, so I call for help. The dependency that I just added is: <dependency> <groupId>sourceforge.jchart2d</groupId> <artifactId>jchart2d</artifactId> <version>3.1.0</version> <scope>system</scope> <systemPath>${project.basedir}/external/jchart2d-3.1.0.jar</systemPath> </dependency> The only way I was able to include this dependency was by adding the following to the assembly element: <files> <file> <source>external/jchart2d-3.1.0.jar</source> <outputDirectory>lib</outputDirectory> </file> </files> However, this forces me to change the pom and the assembly file whenever this jar is renamed, if ever. Also, it seems just wrong. I have tried with <scope>runtime</scope> in the dependencySets and <include>sourceforge.jchart2d:jchart2d</include> with no luck. So how do you include a system scoped jar to your assembly file in maven 2? Thanks a lot

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  • Why can't my main class see the array in my calender class

    - by Rocky Celltick Eadie
    This is a homework problem. I'm already 5 days late and can't figure out what I'm doing wrong.. this is my 1st semester in Java and my first post on this site Here is the assignment.. Create a class called Calendar. The class should contain a variable called events that is a String array. The array should be created to hold 5 elements. Use a constant value to specify the array size. Do not hard code the array size. Initialize the array in the class constructor so that each element contains the string “ – No event planned – “. The class should contain a method called CreateEvent. This method should accept a String argument that contains a one-word user event and an integer argument that represents the day of the week. Monday should be represented by the number 1 and Friday should be represented by the number 5. Populate the events array with the event info passed into the method. Although the user will input one-word events, each event string should prepend the following string to each event: event_dayAppoinment: (where event_day is the day of the week) For example, if the user enters 1 and “doctor” , the first array element should read: Monday Appointment: doctor If the user enters 2 and “PTA” , the second array element should read: Tuesday Appointment: PTA Write a driver program (in a separate class) that creates and calls your Calendar class. Then use a loop to gather user input. Ask for the day (as an integer) and then ask for the event (as a one word string). Pass the integer and string to the Calendar object’s CreateEvent method. The user should be able enter 0 – 5 events. If the user enters -1, the loop should exit and your application should print out all the events in a tabular format. Your program should not allow the user to enter invalid values for the day of the week. Any input other than 1 – 5 or -1 for the day of the week would be considered invalid. Notes: When obtaining an integer from the user, you will need to use the nextInt() method on your Scanner object. When obtaining a string from a user, you will need to use the next() method on your Scanner object. Here is my code so far.. //DRIVER CLASS /** * * @author Rocky */ //imports scanner import java.util.Scanner; //begin class driver public class driver { /** * @paramargs the command line arguments */ //begin main method public static void main(String[] args) { //initiates scanner Scanner userInput = new Scanner (System.in); //declare variables int dayOfWeek; String userEvent; //creates object for calender class calendercalenderObject = new calender(); //user prompt System.out.println("Enter day of week for your event in the following format:"); System.out.println("Enter 1 for Monday"); System.out.println("Enter 2 for Tuesday"); System.out.println("Enter 3 for Wednsday"); System.out.println("Enter 4 for Thursday"); System.out.println("Enter 5 for Friday"); System.out.println("Enter -1 to quit"); //collect user input dayOfWeek = userInput.nextInt(); //user prompt System.out.println("Please type in the name of your event"); //collect user input userEvent = userInput.next(); //begin while loop while (dayOfWeek != -1) { //test for valid day of week if ((dayOfWeek>=1) && (dayOfWeek<=5)){ //calls createEvent method in calender class and passes 2 variables calenderObject.createEvent(userEvent,dayOfWeek); } else { //error message System.out.println("You have entered an invalid number"); //user prompts System.out.println("Press -1 to quit or enter another day"); System.out.println("Enter 1 for Monday"); System.out.println("Enter 2 for Tuesday"); System.out.println("Enter 3 for Wednsday"); System.out.println("Enter 4 for Thursday"); System.out.println("Enter 5 for Friday"); System.out.println("Enter -1 to quit"); //collect user input dayOfWeek = userInput.nextInt(); //end data validity test } //end while loop } //prints array to screen int i=0; for (i=0;i<events.length;i++){ System.out.println(events[i]); } //end main method } } /** * * @author Rocky */ //imports scanner import java.util.Scanner; //begin calender class public class calender { //creates events array String[] events = new String[5]; //begin calender class constructor public calender() { //Initializes array String[] events = {"-No event planned-","-No event planned-","-No event planned-","-No event planned-","-No event planned-"}; //end calender class constructor } //begin createEvent method public String[] createEvent (String userEvent, int dayOfWeek){ //Start switch test switch (dayOfWeek){ case 1: events[0] = ("Monday Appoinment:") + userEvent; break; case 2: events[1] = ("Tuesday Appoinment:") + userEvent; break; case 3: events[2] = ("WednsdayAppoinment:") + userEvent; break; case 4: events[3] = ("Thursday Appoinment:") + userEvent; break; case 5: events[4] = ("Friday Appoinment:") + userEvent; break; default: break; //End switch test } //returns events array return events; //end create event method } //end calender class }

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  • How to convert *.aspx (HTML) page to Image format

    - by Swapnil Fegade
    I want to convert *.aspx (HTML) page's (User Interface) to Image such as JPEG. I am using below code for that Protected Sub btnGet_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnGet.Click saveURLToImage("http://google.co.in") End Sub Private Sub saveURLToImage(ByVal url As String) If Not String.IsNullOrEmpty(url) Then Dim content As String = "" Dim webRequest__1 As System.Net.WebRequest = WebRequest.Create(url) Dim webResponse As System.Net.WebResponse = webRequest__1.GetResponse() Dim sr As System.IO.StreamReader = New StreamReader(webResponse.GetResponseStream(), System.Text.Encoding.GetEncoding("UTF-8")) content = sr.ReadToEnd() 'save to file Dim b As Byte() = Convert.FromBase64String(content) Dim ms As New System.IO.MemoryStream(b, 0, b.Length) Dim img As System.Drawing.Image = System.Drawing.Image.FromStream(ms) img.Save("c:\pic.jpg", System.Drawing.Imaging.ImageFormat.Jpeg) img.Dispose() ms.Close() End If End Sub But I am getting Error as "Invalid character in a Base-64 string" at line Dim b As Byte() = Convert.FromBase64String(content)

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  • Where should I exclude and select information BL or DL?

    - by MRFerocius
    Hi guys; I have another conceptual question. Suppose I have a Data Layer and a Bussines Layer. I have on my data base for example Customers and those customers has an assigned Vendor: Customers(customerID, customerName, customerAddress, vendorID) Vendors(vendorID, vendorName, vendorAddress) Now suppose my Vendor logs into my web application and wants to see all his customers: a) Should I use my Datalayer method and there find his customers on the query? b) Should the data layer return all the customers and on the Buissnes Layer filter that vendor ones? Is B even a good approach because is the one I want to use.... Is it correct? Thanks in advance!!!

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  • Error: The Side-by-Side configuration information in "BLAH.EXE" contains errors.

    - by Jim Buck
    This is the error Dependency Walker gives me on an executable that I am building with VC++ 2005 Express Edition. When trying to run the .exe, I get: This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem. (I am new to the manifest/SxS/etc. way of doing things post VC++ 2003.) EDIT: I am running on the same machine I am building the .exe with. In Event Viewer, I have the unhelpful: Faulting application blah.exe, version 0.0.0.0, faulting module blah.exe, version 0.0.0.0, fault address 0x004239b0.

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  • Weird stack trace in exception "The incoming request does not match any route"

    - by Tassadaque
    i have published asp.net mvc application on iis 6 on the server(windows server 2003) from local machine. On server i have set the default page to default.aspx. but when i try to browse the site on server, it gives me exception "The incoming request does not match any route" One thing i noticed is that. Stack trace on line 5 is shown below. it has one weird thing that exception is still pointing to my local machine path [HttpException (0x80004005): The incoming request does not match any route.] System.Web.Routing.UrlRoutingHandler.ProcessRequest(HttpContextBase httpContext) +15589 System.Web.Routing.UrlRoutingHandler.ProcessRequest(HttpContext httpContext) +40 System.Web.Routing.UrlRoutingHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext context) +7 **UserManagement._Default.Page_Load(Object sender, EventArgs e) in D:\Evoletpublishnew\UserManagement\UserManagement\Default.aspx.cs:18** 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

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  • This code changes the textbox instantly to red. I want it like, click button then red, again then green

    - by user1803685
    This code changes the textbox instantly to red. I want it like, click button then red, again then green. private void button1_Click(object sender, EventArgs e) { textBox1.BackColor = System.Drawing.Color.Black; if (textBox1.BackColor.Equals(System.Drawing.Color.Black)) { textBox1.BackColor = System.Drawing.Color.Red; } if (textBox1.BackColor.Equals(System.Drawing.Color.Red)) { textBox1.BackColor = System.Drawing.Color.Green; } if (textBox1.BackColor.Equals(System.Drawing.Color.Green)) { textBox1.BackColor = System.Drawing.Color.Blue; } if (textBox1.BackColor.Equals(System.Drawing.Color.Blue)) { textBox1.BackColor = System.Drawing.Color.Red; } }

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  • Can I automatically throw descriptive exceptions with parameter values and class feild information?

    - by Robert H.
    I honestly don't throw exceptions often. I catch them even less, ironically. I currently work in shop where we let them bubble up to avicode. For whatever reason, however, avicode isn't configured to capture some of the critical bits I need when these exceptions come bouncing back to my attention. Specifically, I'd like to see the parameter values and the class’s field data at the time of the exception. I’d guess with the large suite of .Net services that I could create a static method to crawl up the stack, gather these bits and store them in a string that I could stick in my exception message. I really don't are how long such a method would take to execute as performance is no longer a concern when I hit one of these scenarios. If it's possible, I'm sure someone has done it. If that's the case, I'm having a hard time finding it. I think any search containing "exception" brings back too many resutls. Anyway, can this be done? If so, some examples or links would be great. Thanks in advance for your time, Robert

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  • Using DateDiff in Entity Framwork on a SQL CE database

    - by deverop
    I have a method which should return a list of anonymous objects with a calculated column like this: var tomorrow = DateTime.Today.AddDays(1); return from t in this.Events where (t.StartTime >= DateTime.Today && t.StartTime < tomorrow && t.EndTime.HasValue) select new { Client = t.Activity.Project.Customer.Name, Project = t.Activity.Project.Name, Task = t.Activity.Task.Name, Rate = t.Activity.Rate.Name, StartTime = t.StartTime, EndTime = t.EndTime.Value, Hours = (System.Data.Objects.SqlClient.SqlFunctions.DateDiff("m", t.StartTime, t.EndTime.Value) / 60), Description = t.Activity.Description }; Unfortunately I get the following error from the DateDiff function: The specified method 'System.Nullable1[System.Int32] DateDiff(System.String, System.Nullable1[System.DateTime], System.Nullable`1[System.DateTime])' on the type 'System.Data.Objects.SqlClient.SqlFunctions' cannot be translated into a LINQ to Entities store expression. Any ideas what I could have done wrong here? EDIT: I also tried the EntityFunctions class mentioned here, but that did not work as well. Minutes = EntityFunctions.DiffMinutes(t.EndTime, t.StartTime),

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  • Is it wrong to get feedback from Stack Overflow on a live system architecture?

    - by hal10001
    I am the technical director at a startup, and I will eventually be tasked with implementing a "real" system architecture when we hire more programmers. Right now our clients are small enough, and it is just me, so documented deployments, source control, unit tests and quality assurance servers are non-existent. Eventually I will need to devise a work-flow and architecture patterns for the majority of the work we will do (e-commerce). If I posted an architecture diagram, and asked for feedback, would that be a misuse of the Stack Overflow system? I don't want to get into that battle of "hey, don't ask us to do your job for you", but the reality is that any programmer who eventually moves into this realm will have to figure it out with feedback from other developers. HighScalability.com is what comes to mind when I think about this sorta thing in terms of the knowledge I need. So if this is not the right kind of forum for that, then any book recommendations or white papers you can recommend would be appreciated.

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  • How much information does pdb files contain? (C# / .NET)

    - by Silver Dragon
    Is is wise to redistribute the pdb files along with a commercial application? Occasionally, I'm using the stack trace to get a more detailed error reporting logs from the deployed applications; can this functionality be achieved without relying to those files? Also, how much hints of the original source code does these files contain? Would it be easier to reverse-engineer my application using it?

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  • Using Inch or cm/mm from metric system for americans and canadians?

    - by gamma
    We're developing an international product that displays a ruler to the user. Now in Germany and many other countries its of course common to use the metric system: cm or mm. I'm aware that americans and canadians (and maybe others too) do still use inches, feet and yards. So the question is: will todays americans (and other inch-country-citizens) understand the metric system and take it for granted - or do they still love their inches so much that they'd rather die than use a product with incorrect measurements? ( sorry for being blunt ;) )

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  • compile cs files with mono?

    - by acidzombie24
    I am trying to compile my project with mono on linux. My cmd looks something like... gmcs Pages/UserProfile.cs Properties/AssemblyInfo.cs queues.cs watch_editor.cs Class1.cs -define:USE_SQLITE -r:System -r:System.Collections -r:System.Collections.Generic -r:System.Collections.ObjectModel -r:System.Collections.Specialized -r:System.Configuration but much long. and i get the output error CS0006: cannot find metadata file `System.Collections' error CS0006: cannot find metadata file `System.Collections.Generic' error CS0006: cannot find metadata file `System.Collections.ObjectModel' ... How do i solve this? I also tried it the other way around (below) and had the same error msg with .dll at the end of them gmcs -define:USE_SQLITE -r:System.dll -r:System.Collections.dll -r:System.Web.UI.WebControls CommentCenter.cs cookies.cs db.cs Default.aspx.cs

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  • How do I design a Wizard-based system with SoC in mind?

    - by Erik Forbes
    I'm building a Windows Forms system (in C# if it matters to anyone) that provides an application automation service. As this application is targeted at users who are not computer savvy, I've decided to break up the functions of the application into various tasks, and provide these tasks via a wizard UI. I'd like to avoid coupling the views and view engine (from which the Wizard will be built) to the automation engine. The problem I'm having is that the automation engine, which runs on a separate thread while it does its thing, needs to report status information back to the user, as well as listen for cancel or pause events from the user. Since I don't want the view engine or the automation engine to rely on each other, I'm having a hard time figuring out how to provide for this information conduit. Any insights into this issue I'm having would be greatly appreciated. I've been wracking my brain for a couple weeks now on this point, and I really don't want to give up and just couple everything together. If anyone needs additional details to help come up with some sort of idea please let me know and I'll be happy to provide them.

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