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• Getting Started with CacheMoney

  - by Matt Grande

  I recently installed cache-money. After some difficulties getting memcached and cache-money set up, I thought I had it working. It cached the one query on my login page fine. I login, and go to my message index page and get this error: indices delegated to @cache_config.indices, but @cache_config is nil: Slug(id: integer, name: string, sluggable_id: integer, sequence: integer, sluggable_type: string, scope: string, created_at: datetime) Searching for the first part of that error message returns 0 hits on Google, so I'm at a loss on where to even begin. Any suggestions?

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• iBatis multiple parameter mapper method

  - by jjczopek

  Hi, Let's say I have a query getUser with two parameters - userName and password. I'd like to have a mapper method looking like this: public UserBean getUser(String userName, String password); Is there any way I can achieve something like that? Or maybe I should pass in my mapper method map of parameters (and some parameterMap in my xml mapper)? public UserBean getUser(Map<String, Object> paramMap); I'm looking forward for some hints and explanations.

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• What is the fastest way to create a checksum for large files in C#

  - by crono

  Hi, I have to sync large files across some machines. The files can be up to 6GB in size. The sync will be done manually every few weeks. I cant take the filename into consideration because they can change anytime. My plan is to create checksums on the destination PC and on the source PC and than copy all files with a checksum, which are not already in the destination, to the destination. My first attempt was something like this: using System.IO; using System.Security.Cryptography; private static string GetChecksum(string file) { using (FileStream stream = File.OpenRead(file)) { SHA256Managed sha = new SHA256Managed(); byte[] checksum = sha.ComputeHash(stream); return BitConverter.ToString(checksum).Replace("-", String.Empty); } } The Problem was the runtime: - with SHA256 with a 1,6 GB File - 20 minutes - with MD5 with a 1,6 GB File - 6.15 minutes Is there a better - faster - way to get the checksum (maybe with a better hash function)?

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• Get the selected drop down list value from a FormCollection in MVC

  - by James Santiago

  I have a form posting to an action with MVC. I want to pull the selected drop down list item from the FormCollection in the action. How do I do it? My Html form: <% using (Html.BeginForm()) {%> <select name="Content List"> <% foreach (String name in (ViewData["names"] as IQueryable<String>)) { %> <option value="<%= name %>"><%= name%></option> <% } %> </select> <p><input type="submit" value="Save" /></p> <% } %> My Action: [HttpPost] public ActionResult Index(FormCollection collection) { //how do I get the selected drop down list value? String name = collection.AllKeys.Single(); return RedirectToAction("Details", name); }

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• PHP SOAP Transfering Files

  - by blackmage

  Hey, I am new to SOAP and I am trying to learn how to transfer files (.zip files) between a client and server using PHP and SOAP. Currently I have a set up that looks something like this: enter code here require('libraries/nusoap/nusoap.php'); $server = new nusoap_server; $server-configureWSDL('server', 'urn:server'); $server-wsdl-schemaTargetNamespace = 'urn:server'; $server-register('sendFile', array('value' = 'xsd:string'), array('return' = 'xsd:string'), 'urn:server', 'urn:server#sendFile'); But I am unsure on what the return type should be if not a string? I am thinking of using a base64_encode but I am not sure how to. Any advice would be greatly appreciated.

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• Out of memory with multi images in one picturebox

  - by Nikom

  Hi, ive problem with out of memory when im trying load few images into one picturebox. Pls Help :) public void button2_Click(object sender, EventArgs e) { FolderBrowserDialog dialog = new FolderBrowserDialog(); dialog.ShowDialog(); string selected = dialog.SelectedPath; string[] imageFileList = Directory.GetFiles(selected); int iCtr = 0,zCtr = 0; foreach(string imageFile in imageFileList) { if (Image.FromFile(imageFile) != null) { Image.FromFile(imageFile).Dispose(); } PictureBox eachPictureBox = new PictureBox(); eachPictureBox.Size = new Size(100,100); // if (iCtr % 8 == 0) //{ // zCtr++; // iCtr = 0; //} eachPictureBox.Location = new Point(iCtr * 100 + 1, 1); eachPictureBox.Image = Image.FromFile(imageFile); iCtr++; panel1.Controls.Add(eachPictureBox); } }`enter code here`

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• Add WhereParameters to LinqDataSource in Selecting event

  - by Steven

  I have a repeater using a LinqDataSource as a data source. When a query string is entered, I'd like to filter the results, but ONLY when a query string is entered. If there is no query string, the results should not be filtered, all results should be returned. I'm trying to add a WhereParameter to my LinqDataSource in the Selecting event of the LinqDataSource, but it's not working. Here's my code: protected void ldsImages_Selecting(object sender, LinqDataSourceSelectEventArgs e) { if (Request.QueryString["id"] != null) { e.WhereParameters.Add("ImageTypeID", Request.QueryString["id"]); } }

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• Best Cross Platform Networking Framework For iPhone Dev

  - by Carmen

  I am looking to write a client/server application that will run on both iPhone, OS X and Windows. What are the best solutions for networking that will work on all 3 platforms? I have looked into Qt and it doesn't look like it has support for iPhone. I have also looked at boost, and that looks like it can be compiled for the iPhone. However I was hoping for a somewhat higher level framework like what Qt has to offer.

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• client ip address in ASP.NET (.asmx) webservices

  - by Zain Shaikh

  I am using ASP.Net (.asmx) web services with Silverlight. since there is no way to find client ip address in Silverlight, therefore I had to log this on service end. these are some methods I have tried: Request.ServerVariables(”REMOTE_HOST”) HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"] HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]; Request.UserHostAddress() Request.UserHostName() string strHostName = System.Net.Dns.GetHostName(); string clientIPAddress = System.Net.Dns.GetHostAddresses(strHostName).GetValue(0).ToString(); All the above methods work fine on my local system, but when I publish my service on production server. it starts giving errors. Error: Object reference not set to an instance of an object. StackTrace: at System.Web.Hosting.ISAPIWorkerRequestInProc.GetAdditionalServerVar(Int32 index) at System.Web.Hosting.ISAPIWorkerRequestInProc.GetServerVariable(String name) at System.Web.Hosting.ISAPIWorkerRequest.GetRemoteAddress() at System.Web.HttpRequest.get_UserHostAddress()

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• Add Email addressCollection to, cc, bcc and replytoList

  - by san

  i want to add MailAddressCollection with to,cc,bcc and replytolist of my MailMessage(Net.Mail) my code Like MessageEntity.To.Add(GetMailAddress(TOEmailAddress)); MessageEntity.CC.Add(GetMailAddress(CCEmailAddress)); MessageEntity.Bcc.Add(GetMailAddress(BCCEmailAddress)); MessageEntity.RepltToList.Add(GetMailAddress(ReplyEmailAddress)); private static MailAddressCollection GetMailAddress(List<string> LstMailAddress) { MailAddressCollection MAddressCollection = new MailAddressCollection(); if (MailAddress != null) { foreach (string EmailAddress in MailAddress) { if (IsValidEmailId(EmailAddress)) { MAddressCollection.Add((new MailAddress(EmailAddress))); } } } return MAddressCollection; } It is showing the error cannot convert from 'System.Net.Mail.MailAddressCollection' to 'string' Is it possible to add the EmailAddressCollection to email's to/cc/bcc/ReplyToList? Thanks San

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• How to set permissions on MSMQ Cluster queues?

  - by JorgeSandoval

  I've got a cluster with functioning private MSMQ 3.0 queues. I'm trying to programmatically set the permissions, but can't seem to connect via System.Messaging on the queues. The code below works just fine when working with local queues (and using .\ nomenclature for the local queue). How to programmatically set the permissions on the clustered queues? Powershell code executed from the active node function set-msmqpermission ([string] $queuepath,[string] $account, [string] $accessright) { if (!([System.Messaging.MessageQueue]::Exists($queuepath))){ throw "$queuepath could not be found." } $q=New-Object System.Messaging.MessageQueue($queuepath) $q.SetPermissions($account,[System.Messaging.MessageQueueAccessRights]::$accessright, [System.Messaging.AccessControlEntryType]::Set) } set-msmqpermission "clusternetworkname\private$\qa1ack" "UserAccount" "FullControl" Exception calling "SetPermissions" with "3" argument(s): "Invalid queue path name." At line:30 char:19 + $q.SetPermissions <<<< ($account,[System.Messaging.MessageQueueAccessRights]::$accessright, + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : DotNetMethodException

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• Sharepoint listsService.updateList method clarification

  - by cyrix86

  I've seen an example here: msdn but it's a little confusing. So if I have a list definition with a field called "CustomField" and I want to update the "ShowField" attribute of this field to be true then I would do this: XmlNode listNode = listService.GetList("MyList"); string version = listNode.Attributes["Version"].Value; string guid = listNode.Attributes["Name"].Value; XmlDocument xmlDoc = new XmlDocument(); XmlElement updateFields = xmlDoc.CreateElement("Fields"); string fieldXml = @"<Method ID="1"><Field Name="CustomField" ShowField="true" /></Method>"; updateFields.InnerXml = fieldXml; XmlNode result = listService.UpdateList(guid, null, null, updateFields, null, version); I'm confused because it would seem that you would need to provide a field element to indicate what field to update and then a value element to specify the new value. Could someone clarify this please?

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• Best and simple data structure

  - by anshu

  I am trying to create the below matrix in my vb.net so during processing I can get the match scores for the alphabets, for example: What is the match for A and N?, I will look into my inbuilt matrix and return -2 Similarly, What is the match for P and L?, I will look into my inbuilt matrix and return -3 Please suggest me how to go about it, I was trying to use nested dictionary like this: Dim myNestedDictionary As New Dictionary(Of String, Dictionary(Of String, Integer))() Dim lTempDict As New Dictionary(Of String, Integer) lTempDict.Add("A", 4) myNestedDictionary.Add("A", lTempDict) The other way could be is to read the Matrix from a text based file and then fill the two dimensional array. Thanks.

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• C#, Linq, Dynamic Query: Code to filter a Dynamic query outside of the Repository

  - by Dr. Zim

  If you do something like this in your Repository: IQueryable<CarClass> GetCars(string condition, params object[] values) { return db.Cars.Where(condition, values); } And you set the condition and values outside of the repository: string condition = "CarMake == @Make"; object[] values = new string[] { Make = "Ford" }; var result = myRepo.GetCars( condition, values); How would you be able to sort the result outside of the repository with Dynamic Query? return View( "myView", result.OrderBy("Price")); Somehow I am losing the DynamicQuery nature when the data exits from the repository. And yes, I haven't worked out how to return the CarClass type where you would normally do a Select new Carclass { fieldName = m.fieldName, ... }

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• ASN1 out of memory. during a signedCMS.decode

  - by JL

  I am having a problem using the signedCMS.decode routine. See the code below. The error seems to occur when the file size is too big in this case 11MB. private static void RemoveZfoSignature(string zfoFileName) { byte[] fileContents = File.ReadAllBytes(zfoFileName); var contentInfo = new ContentInfo(fileContents); var signedCms = new SignedCms(contentInfo); // This line throws the error 100% of the time signedCms.Decode(fileContents); signedCms.RemoveSignature(0); byte[] outfile = signedCms.ContentInfo.Content; string outFileName = zfoFileName.Replace(".zfo", "_tmp.zfo"); File.WriteAllBytes(outFileName, outfile); } Here is the exact error: "System.Security.Cryptography.CryptographicException: ASN1 out of memory. at System.Security.Cryptography.Pkcs.SignedCms.OpenToDecode(Byte[] encodedMessage, ContentInfo contentInfo, Boolean detached) at System.Security.Cryptography.Pkcs.SignedCms.Decode(Byte[] encodedMessage) at ConsoleApplication2.Program.RemoveZfoSignature(String zfoFileName) in C:\\Users\\\\Documents\\Visual Studio 2008\\Projects\\ConsoleApplication2\\ConsoleApplication2\\Program.cs:line 30" Any idea on how to fix this?

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• JAX-RS JSON java.util.Date Unmarshall

  - by user229498

  Hi, I'm using Jersey (jax-rs), to build a REST rich application. Everything is great, but I really don't understand how to set in JSON Marshalling and Unmarshalling converting option for dates and numbers. I have a User class: @XmlRootElement public class User { private String username; private String password; private java.util.Date createdOn; // ... getters and setters } When createdOn property is serialized, a string like this: '2010-05-12T00:00:00+02:00', but I need to choose date Pattern both, to marshall and unmarshall. Someone knows hot to do that? Thank's a lot, Davide.

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• Hex representation of Euro Symbol €

  - by Rahul

  Hi I was using XVI32 (Hex Editor) to get the hex representation of the Euro symbol and it gives me the value as 80. Another site: http://www.string-functions.com/string-hex.aspx does the same. I am not able to understand why the hex representation is 80 instead of 0x20AC. This 0X80 gives 128 in decimal and if I use Alt+0128 it actually produces the Euro symbol. Could somebody throw some light on what could be the logic behind this conversion from string to hex conversion ? Thanks

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• java immutable object question

  - by cometta

  String abc[]={"abc"}; String def[]={}; def=abc; def[0]=def[0]+"changed"; System.out.println(abc[0]); by changing "def" object, my abc object is changed as well. Beside String[] array has this characteristic what other java object has similar characteristic? can explain more? in order to prevent abc from changed when i changed def, i will have to do def = abc.clone();

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• JNA and ZBar(library for bar code reader)

  - by user219120

  I'm creating Java Interface with JNA for ZBar(library for bar code reader). In JNA, structures in C are needed to declare. For example:: // In C typedef struct { char* id; char* name; int age; char* sectionId } EMPLOYEE; to // In Java with JNA public static class Employee extends Structure { // com.sun.jna.Structure String id; String name; int age; String sectionId; } But in ZBar, structures have no members. For example:: // zbar-0.10/include/zbar.h // line:1009-1011 struct zbar_image_scanner_s; /** opaque image scanner object. */ typedef struct zbar_image_scanner_s zbar_image_scanner_t; That doesn't declare size or members of the structures. How can I write interfaces for these structures in JNA?

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• Creating a function in ruby

  - by Micke

  Hello, i have some problem with creating a function to my Rails app. I want it to work like this: str = "string here" if str.within_range?(3..30) puts "It's withing the range!" end To do that i added this into my application helper: def within_range?(range) if self.is_a?(String) (range).include?(self.size) elsif self.is_a?(Integer) (range).include?(self) end end But i get this error: undefined method `within_range?' for &quot;&quot;:String Do you know what the problem is? and could you please help me. If there is a easier way please say so then. Thanks in advance, Micke.

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• java palindrome help

  - by jdbeverly87

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

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• How do I set the intent of menu items defined in an Android menu xml file?

  - by Benju

  How do I set the intent of menu items defined in an Android menu xml file? For example I currently have... <menu xmlns:android="http://schemas.android.com/apk/res/android" android:name="Main Menu"> <item android:title="@string/resume_game" android:icon="@drawable/resume"></item> <item android:title="@string/play_golf" android:icon="@drawable/play_golf"></item> <item android:title="@string/my_rounds" android:icon="@drawable/my_rounds"></item> </menu> And in my Activity I have the following method overriden... @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.main_menu, menu); final MenuItem menuItem = (MenuItem) menu.findItem(R.id.about_item); return true; }

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• Enabling a trace spec on Glassfish v2

  - by Kiran

  Hi Guys, I guess this might be answered previously but I dont seem to find one answered . Can anyone please lemme know hot to add a trace spec in Glassfish v2. Am very much new to this so not much aware of this. I need to enable a security trace string and orb trace string on Glassfish v2 .On Glassfish v3 I see a file called logging.properties where all the trace string been given , is there any such file on v2 to work with or we need to add a property to domain.xml. Thanks in advance.

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• Task queue java

  - by user268515

  Hi i'm new to Task queue concepts when i referred the guide I got struck on this line queue.add( DatastoreServiceFactory.getDatastoreService().getCurrentTransaction(), TaskOptions().url("/path/to/my/worker")); what is TaskOptions() method. Is it default method are method created manually what will TaskOptions() method will return. I created a method called TaskOption() when i to return a string value its saying error as "The method url(String) is undefined for the type String" In url what i want to specify servlet are any other. My doubt may be stupid but plz clarify it. Thank you, sharun.

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• Multithreading or task parallel library

  - by Bruce Adams

  I have an application which performs 30 independent tasks simultaneously using multithreading, each task retrieves data over http, performs a calculation and returns a result to the ui thread. Can I use tpl to perform the same tasks? Does tpl create 30 new threads and spread them over all the available cores, or does it just split the tasks over the available cores and use one thread per core? Will there be a performance boost using tpl over multithreading in this case?

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