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System.Web.Security.FormsAuthentication.Encrypt returns null

- by Mustafakidd

I'm trying to encrypt some userData to create my own custom IPrincipal and IIdentity objects using Forms authentication - I've serialized an object representing my logged in user to Json and created my FormsAuthentication ticket like so: string user_item = GetJsonOfLoggedinUser();/*get JSON representation of my logged in user*/ System.Web.Security.FormsAuthenticationTicket ticket = new System.Web.Security.FormsAuthenticationTicket(1, WAM.Utilities.SessionHelper.LoggedInEmployee.F_NAME + " " + WAM.Utilities.SessionHelper.LoggedInEmployee.L_NAME, DateTime.Now, DateTime.Now.AddMinutes(30), false, user_item); string encrypted_ticket = System.Web.Security.FormsAuthentication.Encrypt(ticket); HttpCookie auth_cookie = new HttpCookie( System.Web.Security.FormsAuthentication.FormsCookieName, encrypted_ticket); Response.Cookies.Add(auth_cookie); However, the string encrypted_ticket is always null. Is there a limit on the length of the user_item string? Thanks Mustafa

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WCF method not receiving the parameters

- by Thiago Sayão

I have a WCF method that is not receiving the request parameters. But if I use the WCFTest client (the one that comes with visual studio) the method receives the parameters. If I capture the requests, they look very similar: If the request is this, it works: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> <s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <consultaValeCompra xmlns="http://tempuri.org/"> <dataMovto>1</dataMovto> <numSeqOperacao>2</numSeqOperacao> <numDocumento>3</numDocumento> <valorDocumento>4</valorDocumento> <tipo>5</tipo> <codPreVenda>6</codPreVenda> </consultaValeCompra> </s:Body> </s:Envelope> If the request is this, I do not get the parameters: <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <soapenv:Body> <consultaValeCompra xmlns="http://valeCompra/jaws"> <dataMovto>121212</dataMovto> <numSeqOperacao>003719</numSeqOperacao> <numDocumento>000000000000005555466465454546</numDocumento> <valorDocumento>000046400</valorDocumento> <tipo>0</tipo> <codPreVenda>0000000000</codPreVenda> </consultaValeCompra> </soapenv:Body> </soapenv:Envelope> The method signature is: public Retorno consultaValeCompra(string dataMovto, string numSeqOperacao, string numDocumento, string valorDocumento, string tipo, string codPreVenda) I can spot the differences, but I cannot understand why the first works and the second does not. What can I do to make it work? Thanks.

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how to remove listview items in android

- by kavitha

Hi all,, Can somebody please give me an example code of removing all ListView items and replacing with new items. I tried replacing the adapter items.Still no results. my code is at first i am calling populateList(){ results -populated arraylist with strings ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, results); listview.setAdapter(adapter); adapter.notifyDataSetChanged(); listview.setOnItemClickListener(this); } // now populating list again repopulateList(){ results1-populated arraylist with strings ArrayAdapter<String> adapter1 = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, results1); listview.setAdapter(adapter1); adapter1.notifyDataSetChanged(); listview.setOnItemClickListener(this); } Here replpulateList() method will add to listview items. It doent remove/replace all listview items. Please Help.

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.NET Interface with AutoCAD -- SetXData errors.

- by Jerry

I am trying to use the SetXData method on the AutoCAD 2007 COM object, but it is throwing errors. Example Test: public AcadEntity getAcadEntity() { /// ... Basic code to return a single AutoCAD entity... } private void btnTagItem_Click(object sender, EventArgs e) { AcadEntity ent = getAcadEntity(); short[] xDataType; string[] xDataStrings; DrawingXData xData = new DrawingXData(); xData.field1 = "Some Text Goes here"; xData.field2 = 1; xData.field3 = 100; xData.field4 = 1509.2; xData.field5 = "More Text"; BuildXData("AutoCad_App_Name", xData, out xDataType, out xDataStrings); ent.SetXData(xDataType, xDataStrings); // This line crashes. } private void BuildXData(string applicationName, DrawingXData xData, out short[] xDataType, out string[] xDataStrings) { List<short> dataTypes = new List<short>(); List<string> dataStrings = new List<string>(); /// Code types... /// 1000 == String up to 255 bytes /// 1001 == Application Name // Set Applicaiton Name dataTypes.Add(1001); dataStrings.Add(applicationName); // Set Application Data dataTypes.Add(1000); dataStrings.Add(xData.field1.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field2.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field3.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field4.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field5.ToString()); // ... etc. xDataType = dataTypes.ToArray(); xDataStrings = dataStrings.ToArray(); } The error I get is "Invalid argument data in SetXData method". The error code (if this helps anyone) is -2145320939. The main reason I'm posting is because the same code in a very old VB6 application works just fine. I'm stumped.

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HTTPS Redirect Causing Error "Server cannot append header after HTTP headers have been sent"

- by Chad

I need to check that our visitors are using HTTPS. In BasePage I check if the request is coming via HTTPS. If it's not, I redirect back with HTTPS. However, when someone comes to the site and this function is used, I get the error: System.Web.HttpException: Server cannot append header after HTTP headers have been sent. at System.Web.HttpResponse.AppendHeader(String name, String value) at System.Web.HttpResponse.AddHeader(String name, String value) at Premier.Payment.Website.Generic.BasePage..ctor() Here is the code I started with: // If page not currently SSL if (HttpContext.Current.Request.ServerVariables["HTTPS"].Equals("off")) { // If SSL is required if (GetConfigSetting("SSLRequired").ToUpper().Equals("TRUE")) { string redi = "https://" + HttpContext.Current.Request.ServerVariables["SERVER_NAME"].ToString() + HttpContext.Current.Request.ServerVariables["SCRIPT_NAME"].ToString() + "?" + HttpContext.Current.Request.ServerVariables["QUERY_STRING"].ToString(); HttpContext.Current.Response.Redirect(redi.ToString()); } } I also tried adding this above it (a bit I used in another site for a similar problem): // Wait until page is copletely loaded before sending anything since we re-build HttpContext.Current.Response.BufferOutput = true; I am using c# in .NET 3.5 on IIS 6. enter code here

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Resgen al.exe generated resources do not work within .net library

- by Raj G

Hi, I am currently working on a library in .Net and I planned to make the strings that are used within the library into culture specific resource files. I made Resources.resx, Resources.en-US.resx and Resources.ja-JP.resx file. I also deleted the Resources.designer.cs file autogenerated by visual studio 2008. I am loading Resources through my custom ResourceManager object [using GetString method]. The problem that I am facing is that when I compile the library within visual studio and set the culture from the calling application, everything is working fine. But if I manually go to the directory and change a string for a culture and regenerate the satellite assembly with resgen and al.exe, the string displayed, falls back to the invariant culture. I have attached the ildasm view of both the dlls en-US generated from within visual studio //Metadata version: v2.0.50727 .assembly extern mscorlib { .publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4.. .hash = (71 05 4D 54 C4 8D C2 90 7D 8B CF 57 2E B5 98 22 // q.MT....}..W..." F5 5B 2E 06 ) // .[.. .ver 2:0:0:0 } .assembly EmailEngine.resources { .custom instance void [mscorlib]System.Reflection.AssemblyTitleAttribute::.ctor(string) = ( 01 00 0B 45 6D 61 69 6C 45 6E 67 69 6E 65 00 00 ) // ...EmailEngine.. .custom instance void [mscorlib]System.Reflection.AssemblyDescriptionAttribute::.ctor(string) = ( 01 00 FF 00 00 ) .custom instance void [mscorlib]System.Reflection.AssemblyCompanyAttribute::.ctor(string) = ( 01 00 FF 00 00 ) .custom instance void [mscorlib]System.Reflection.AssemblyProductAttribute::.ctor(string) = ( 01 00 0B 45 6D 61 69 6C 45 6E 67 69 6E 65 00 00 ) // ...EmailEngine.. .custom instance void [mscorlib]System.Reflection.AssemblyCopyrightAttribute::.ctor(string) = ( 01 00 12 43 6F 70 79 72 69 67 68 74 20 C2 A9 20 // ...Copyright .. 20 32 30 30 38 00 00 ) // 2008.. .custom instance void [mscorlib]System.Reflection.AssemblyTrademarkAttribute::.ctor(string) = ( 01 00 FF 00 00 ) .custom instance void [mscorlib]System.Reflection.AssemblyFileVersionAttribute::.ctor(string) = ( 01 00 07 31 2E 30 2E 30 2E 30 00 00 ) // ...1.0.0.0.. .hash algorithm 0x00008004 .ver 1:0:0:0 .locale = (65 00 6E 00 2D 00 55 00 53 00 00 00 ) // e.n.-.U.S... } .mresource public 'EmailEngine.Properties.Resources.en-US.resources' { // Offset: 0x00000000 Length: 0x00000111 } .module EmailEngine.resources.dll // MVID: {D030D620-4E59-46F4-94F4-5EA0F9554E67} .imagebase 0x00400000 .file alignment 0x00000200 .stackreserve 0x00100000 .subsystem 0x0003 // WINDOWS_CUI .corflags 0x00000001 // ILONLY // Image base: 0x008B0000 ja-JP generated by me using resgen and al.exe // Metadata version: v2.0.50727 .assembly EmailEngine.resources { .hash algorithm 0x00008004 .ver 0:0:0:0 .locale = (6A 00 61 00 00 00 ) // j.a... } .mresource public 'EmailEngine.Properties.Resources.ja-JP.resources' { // Offset: 0x00000000 Length: 0x0000012F } .module EmailEngine.resources.dll // MVID: {0F470BCD-C36D-4B9F-A8ED-205A0E5A9F6F} .imagebase 0x00400000 .file alignment 0x00000200 .stackreserve 0x00100000 .subsystem 0x0003 // WINDOWS_CUI .corflags 0x00000001 // ILONLY // Image base: 0x007F0000 Can anyone help me as to why these two files are different and what is going on here? Why would the same Japanese resource file work when generated from within visual studio and not when generated using tools. TIA Raj

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C#: Regex to extract portions of file name

- by jakesankey

I have text files formatted as such: R156484COMP_004A7001_20100104_065119.txt I need to consistently extract the R****COMP, the 004A7001 number, 20100104 (date), and don't care about the 065119 number. the problem is that not ALL of the files being parsed have the exact naming convention. some may be like this: R168166CRIT_156B2075_SU2_20091223_123456.txt or R285476COMP_SU1_125A6025_20100407_123456.txt So how could I use regex instead of split to ensure I am always getting that serial (ex. 004A7001), the date (ex. 20100104), and the R****COMP (or CRIT)??? Here is what I do now but it only gets the files formatted like my first example. if (file.Count(c => c == '_') != 3) continue; and further down in the code I have: string RNumber = Path.GetFileNameWithoutExtension(file); string RNumberE = RNumber.Split('_')[0]; string RNumberD = RNumber.Split('_')[1]; string RNumberDate = RNumber.Split('_')[2]; DateTime dateTime = DateTime.ParseExact(RNumberDate, "yyyyMMdd", Thread.CurrentThread.CurrentCulture); string cmmDate = dateTime.ToString("dd-MMM-yyyy");

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UIImagePickerController and extracting EXIF data from existing photos

- by tomtaylor

It's well known that UIImagePickerController doesn't return the metadata of the photo after selection. However, a couple of apps in the app store (Mobile Fotos, PixelPipe) seem to be able to read the original files and the EXIF data stored within them, enabling the app to extract the geodata from the selected photo. They seem to do this by reading the original file from the /private/var/mobile/Media/DCIM/100APPLE/ folder and running it through an EXIF library. However, I can't work out a way of matching a photo returned from the UIImagePickerController to a file on disk. I've explored file sizes, but the original file is a JPEG, whilst the returned image is a raw UIImage, making it impossible to know the file size of the image that was selected. I'm considering making a table of hashes and matching against the first x pixels of each image. This seems a bit over the top though, and probably quite slow. Any suggestions?

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How to call a .NET Webservice from Android using KSOAP2?

- by Rajapandian

Hai to All,I have a problem while calling the webservice,i have a .NET web service in the server and i am using KSOAP2(ksoap2-j2se-full-2.1.2) in android.While running the program i got an runtime Exception like "org.ksoap2.serialization.SoapPrimitive". I dont know what to do.Here is my code. package projects.ksoap2sample; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransportSE; import android.app.*; import android.os.*; import android.widget.TextView; public class ksoap2sample extends Activity { /** Called when the activity is first created. */ private static final String SOAP_ACTION = "http://tempuri.org/HelloWorld"; private static final String METHOD_NAME = "HelloWorld"; private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.1.19/TestWeb/WebService.asmx"; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tv=(TextView)findViewById(R.id.text1); try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); //request.addProperty("prop1", "myprop"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet=true; envelope.setOutputSoapObject(request); HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope); Object result = (Object)envelope.getResponse(); String[] results = (String[]) result; tv.setText( ""+results[0]); } catch (Exception e) { tv.setText(e.getMessage()); } } } May be my code is wrong.please help me. Regards Rajapandian

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How can I create a generaic ValidationAttribute in C#?

- by sabbour

I'm trying to create a UniqueAttribute using the System.ComponentModel.DataAnnotations.ValidationAttribute I want this to be generic as in I could pass the Linq DataContext, the table name, the field and validate if the incoming value is unique or not. Here is a non-compilable code fragment that I'm stuck at right now: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ComponentModel.DataAnnotations; using System.Data.Linq; using System.ComponentModel; namespace LinkDev.Innovation.Miscellaneous.Validation.Attributes { public class UniqueAttribute : ValidationAttribute { public string Field { get; set; } public override bool IsValid(object value) { string str = (string)value; if (String.IsNullOrEmpty(str)) return true; // this is where I'm stuck return (!Table.Where(entity => entity.Field.Equals(str)).Any()); } } } I should be using this in my model as follows: [Required] [StringLength(10)] [Unique(new DataContext(),"Groups","name")] public string name { get; set; }

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What couse this error?? Fatal error: Call to undefined function mcrypt_encrypt()

- by Jin Yong

Does Anyone know whcy this error message display (Call to undefined function mcrypt_encrypt() ) when I run the following code below? Am I missing some steps perhaps any setting in PHP I have to do before this code can work? $key = 'password to (en/de)crypt'; $string = 'string to be encrypted'; $test = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5($key), $string, MCRYPT_MODE_CBC, md5(md5($key)));

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How to Process Lambda Expressions Passed as Argument Into Method - C# .NET 3.5

- by Sunday Ironfoot

My knowledge of Lambda expressions is a bit shaky, while I can write code that uses Lambda expressions (aka LINQ), I'm trying to write my own method that takes a few arguments that are of type Lambda Expression. Background: I'm trying to write a method that returns a Tree Collection of objects of type TreeItem from literally ANY other object type. I have the following so far: public class TreeItem { public string Id { get; set; } public string Text { get; set; } public TreeItem Parent { get; protected set; } public IList<TreeItem> Children { get { // Implementation that returns custom TreeItemCollection type } } public static IList<TreeItem> GetTreeFromObject<T>(IList<T> items, Expression<Func<T, string>> id, Expression<Func<T, string>> text, Expression<Func<T, IList<T>>> childProperty) where T : class { foreach (T item in items) { // Errrm!?? What do I do now? } return null; } } ...which can be called via... IList<TreeItem> treeItems = TreeItem.GetTreeFromObject<Category>( categories, c => c.Id, c => c.Name, c => c.ChildCategories); I could replace the Expressions with string values, and just use reflection, but I'm trying to avoid this as I want to make it strongly typed. My reasons for doing this is that I have a control that accepts a List of type TreeItem, whereas I have dozens of different types that are all in a tree like structure, and don't want to write seperate conversion methods for each type (trying to adhere to the DRY principle). Am I going about this the right way? Is there a better way of doing this perhaps?

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Calling Grep inside Java gives incorrect results while calling grep in shell gives correct results.

- by futureelite7

I've got a problem where calling grep from inside java gives incorrect results, as compared to the results from calling grep on the same file in the shell. My grep command (called both in Java and in bash. I escaped the slash in Java accordingly): /bin/grep -vP --regexp='^[0-9]+\t.*' /usr/local/apache-tomcat-6.0.18/work/Catalina/localhost/saccitic/237482319867147879_1271411421 Java Code: String filepath = "/path/to/file"; String options = "P"; String grepparams = "^[0-9]+\\t.*"; String greppath = "/bin/"; String[] localeArray = new String[] { "LANG=", "LC_COLLATE=C", "LC_CTYPE=UTF-8", "LC_MESSAGES=C", "LC_MONETARY=C", "LC_NUMERIC=C", "LC_TIME=C", "LC_ALL=" }; options = "v"+options; //Assign optional params if (options.contains("P")) { grepparams = "\'"+grepparams+"\'"; //Quote the regex expression if -P flag is used } else { options = "E"+options; //equivalent to calling egrep } proc = sysRuntime.exec(greppath+"/grep -"+options+" --regexp="+grepparams+" "+filepath, localeArray); System.out.println(greppath+"/grep -"+options+" --regexp="+grepparams+" "+filepath); inStream = proc.getInputStream(); The command is supposed to match and discard strings like these: 85295371616 Hi Mr Lee, please be informed that... My input file is this: 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 8~!95371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 852&^*&1616 Hi Mr Lee, please be informed that... 8529537Ax16 Hi Mr Lee, please be informed that... 85====ppq16 Hi Mr Lee, please be informed that... 85291234783 a3283784428349247233834728482984723333 85219299222 The commands works when I call it from inside bash (Results below): 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 8~!95371616 Hi Mr Lee, please be informed that... 852&^*&1616 Hi Mr Lee, please be informed that... 8529537Ax16 Hi Mr Lee, please be informed that... 85====ppq16 Hi Mr Lee, please be informed that... 85219299222 However, when I call grep again inside java, I get the entire file (Results below): 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85aaa234567 Hi Ms Chan, please be informed that... 85292vx5678 Hi Mrs Ng, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 8~!95371616 Hi Mr Lee, please be informed that... 85295371616 Hi Mr Lee, please be informed that... 852&^*&1616 Hi Mr Lee, please be informed that... 8529537Ax16 Hi Mr Lee, please be informed that... 85====ppq16 Hi Mr Lee, please be informed that... 85291234783 a3283784428349247233834728482984723333 85219299222 What could be the problem that will cause the grep called by Java to return incorrect results? I tried passing local information via the environment string array in runtime.exec, but nothing seems to change. Am I passing in the locale information incorrectly, or is the problem something else entirely?

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Selenium RC > how to upload file using attachFile()

- by Saara

hello, I am using Selenium RC with Junit framework. I am trying to upload a file using attachFile() method. attachFile: (Information collected from selenium API http://release.seleniumhq.org/selenium-remote-control/1.0-beta-2/doc/java/com/thoughtworks/selenium/Selenium.html#attachFile(java.lang.String,%20java.lang.String)) void attachFile(java.lang.String fieldLocator, java.lang.String fileLocator) Sets a file input (upload) field to the file listed in fileLocator Parameters: fieldLocator - an element locator fileLocator - a URL pointing to the specified file. Before the file can be set in the input field (fieldLocator), Selenium RC may need to transfer the file to the local machine before attaching the file in a web page form. This is common in selenium grid configurations where the RC server driving the browser is not the same machine that started the test. Supported Browsers: Firefox ("*chrome") only. Can anyone please tell me how to define "fileLocator". I am not getting which URL to be specify over here. Please give me an example if possible.

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How can I internationalize strings representing C# enum values?

- by Duke

I've seen many questions and answers about mapping strings to enums and vice-versa, but how can I map a series of localized strings to enums? Should I just create an extension method like this that returns the proper string from a resource file? Is there a way to localize attributes (like "Description") that are used in solutions like this? Which is the preferred solution - extension method or attributes. It seems to me that this isn't the intended purpose of attributes. In fact, now that I think about it, if I were to use an extension method an attribute seems like something I'd use to specify a key in a resource file for the localized string I want to use in place of the enum value. EDIT - example: Given the following enum, public enum TransactionTypes { Cheque = 1, BankTransfer = 2, CreditCard = 3 } I would like a way to map each type to a localized string. I started off with an extension method for the enum that uses a switch statement and strongly typed references to the resource file. However, an extension method for every enum doesn't seem like a great solution. I've started following this to create a custom attribute for each enumerated value. The attribute has a base name and key for the resource file containing localized strings. In the above enum, for example, I have this: ... [EnumResourceAttribute("FinancialTransaction", "Cheque")] Cheque = 1, ... Where "FinanacialTransaction" is the resx file and "Cheque" is the string key. I'm trying to create a utility method to which I could pass any value from any enumeration and have it return the localized string representation of that value, assuming the custom attribute is specified. I just can't figure out how to dynamically access a resource file and a key within it.

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Javascript and backslashes replace

- by Frankie

here is my string: var str = "This is my \string"; This is my code: var replaced = str.replace("/\\/", "\\\\"); I can't get my output to be: "This is my \\string" I have tried every combination I can think of for the regular expression and the replacement value. Any help is appreciated!

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how to set listviewadapter in android custom dialog?

- by UMMA

hi, i am using following code to setlistview adapter but giving me error at last line public class MyCustomDialog extends Dialog { String[] items= {"lorem", "ipsum", "dolor", "sit", "amet", "consectetuer", "adipiscing", "elit", "morbi", "vel", "ligula", "vitae", "arcu", "aliquet", "mollis", "etiam", "vel", "erat", "placerat", "ante", "porttitor", "sodales", "pellentesque", "augue", "purus"}; TextView selection; public MyCustomDialog(Context context) { super(context); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.mylistviewdialog); ListView lst=(ListView)findViewById(R.id.mylist); lst.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, items)); // error here The constructor ArrayAdapter<String>(MyCustomDialog, int, String[]) is undefined } } please guide what mistake am i doing? any help would be appreciated.

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codingBat plusOut using regex

- by polygenelubricants

This is similar to my previous efforts (wordEnds and repeatEnd): as a mental exercise, I want to solve this toy problem using regex only. Description from codingbat.com: Given a string and a non-empty word string, return a version of the original string where all chars have been replaced by pluses ("+"), except for appearances of the word string which are preserved unchanged. plusOut("12xy34", "xy") ? "++xy++" plusOut("12xy34", "1") ? "1+++++" plusOut("12xy34xyabcxy", "xy") ? "++xy++xy+++xy" There is no mention whether or not to allow overlap (e.g. what is plusOut("+xAxAx+", "xAx")?), but my non-regex solution doesn't handle overlap and it passes, so I guess we can assume non-overlapping occurrences of word if it makes it simpler. In any case, I'd like to solve this using regex (of the same style that I did before with the other two problems), but I'm absolutely stumped. I don't even have anything to show, because I have nothing that works. So let's see what the stackoverflow community comes up with.

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codingbat wordEnds using regex

- by polygenelubricants

I'm trying to solve wordEnds from codingbat.com using regex. This is the simplest as I can make it with my current knowledge of regex: public String wordEnds(String str, String word) { return str.replaceAll( String.format( ".*?(?=%s)(?<=(.|^))%1$s(?=(.|$))|.+", java.util.regex.Pattern.quote(word) ), "$1$2" ); } String.format is used to inject word into the pattern for both readability and convenience (it's injected twice). Pattern.quote isn't necessary to pass their tests, but I think it's required for a proper regex-based solution. The regex has two major parts: If after matching as few characters as possible ".*?", word can still be found "(?=%s)", then lookbehind to capture any character immediately preceding it "(?<=(.|^))", match word "%1$s" and lookforward to capture any character following it "(?=(.|$))". The initial "if" test ensures that the atomic lookbehind captures only if there's a word Using lookahead to capture the following character doesn't consume it, so it can be used as part of further matching Otherwise match what's left "|.+" Groups 1 and 2 would capture empty strings I think this works in all cases, but it's obviously quite complex. I'm just wondering if others can suggest a simpler regex to do this. Note: I'm not looking for a solution using indexOf and a loop. I want a regex-based replaceAll solution. I also need a working solution that I can just copy-paste into codingbat and passes.

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Add a :filter param to the end of a url

- by bob

Hello, I am building an application that requires a search to go deeper than the initial level. I am using nested scopes to accomplish this and params in the URL For example, when a user searches for "handbag" it creates a query like the following. http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go! I want to add a :filter param to the end of this url and reload the page with the new url. http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go!&filter=lowest_price As shown above the &filter=lowest_price is added to the query. I have already written controller code to handle this and I know it works as long as the query is like the 2nd link above. my views code <div class = "filter_options"> <p> <strong>Filter by:</strong> <%= link_to_unless_current "Recent", :filter => 'recent' %> | <%= link_to_unless_current "Lowest Price", :filter => 'lowest_price' %> | <%= link_to_unless_current "Highest Price", :filter => 'highest_price' %> </p> </div> This is how I have it currently, which works if my URL does not have a search string attached to it. Unfortunately, this will go to a http://localhost:3000/junks?filter=lowest_price even if there is a search string. I would like to know how to create my links so that they add onto the search string shown in the 2nd code example. Additionally, if a search string with a filter is already present, it would only change that filter and resubmit the search string with the new filter. I hope I am being clear.

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Nhibernate mapping

- by john

Hi All I am trying to map Users to each other. The senario is that users can have buddies, so it links to itself I was thinking of this public class User { public virtual Guid Id { get; set; } public virtual string FirstName { get; set; } public virtual string LastName { get; set; } public virtual string EmailAddress { get; set; } public virtual string Password { get; set; } public virtual DateTime? DateCreated { get; set; } **public virtual IList<User> Friends { get; set; }** public virtual bool Deleted { get; set; } } But am strugling to do the xml mapping.

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powershell / runspace in a thread

- by Vincent

Hello ! I'm running the following code : RunspaceConfiguration config = RunspaceConfiguration.Create(); PSSnapInException warning; config.AddPSSnapIn("Microsoft.Exchange.Management.PowerShell.Admin", out warning); if (warning != null) throw warning; Runspace thisRunspace = RunspaceFactory.CreateRunspace(config); thisRunspace.Open(); string alias = usr.AD.CN.Replace(' ', '.'); string letter = usr.AD.CN.Substring(0, 1); string email = alias + "@" + (!usr.Mdph ? Constantes.AD_DOMAIN : Constantes.MDPH_DOMAIN) + "." + Constantes.AD_LANG; string db = "CN=IS-" + letter + ",CN=SG-" + letter + ",CN=InformationStore,CN=" + ((char)letter.ToCharArray()[0] < 'K' ? Constantes.EXC_SRVC : Constantes.EXC_SRVD) + Constantes.EXC_DBMEL; string cmd = "Enable-Mailbox -Identity \"" + usr.AD.CN + "\" -Alias " + alias + " -PrimarySmtpAddress " + email + " -DisplayName \"" + usr.AD.CN + "\" -Database \"" + db + "\""; Pipeline thisPipeline = thisRunspace.CreatePipeline(cmd); thisPipeline.Invoke(); The code is running in a thread created that way : t.WorkThread = new Thread(cu.CreerUser); t.WorkThread.Start(); If I run the code directly (not through a thread), it's working. When in a thread it throws the following exception : ObjectDisposedException "The safe handle has been closed." (Translated from french) I then replaced "Open" wirh "OpenAsync" which helped not getting the previous exception. But when on Invoke I get the following exception : InvalidRunspaceStateException "Unable to call the pipeline because its state of execution is not Opened. Its current state is Opening." (Also translated from french) I'm clueless... Any help welcome !!! Thanks !!!

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channel factory null on debug?

- by Garrith

When I try to invoke a GetData contract using wcf rest in wcf test client mode I get this message: The Address property on ChannelFactory.Endpoint was null. The ChannelFactory's Endpoint must have a valid Address specified. at System.ServiceModel.ChannelFactory.CreateEndpointAddress(ServiceEndpoint endpoint) at System.ServiceModel.ChannelFactory`1.CreateChannel() at System.ServiceModel.ClientBase`1.CreateChannel() at System.ServiceModel.ClientBase`1.CreateChannelInternal() at System.ServiceModel.ClientBase`1.get_Channel() at Service1Client.GetData(String value) This is the config file for the host: <system.serviceModel> <services> <service name="WcfService1.Service1" behaviorConfiguration="WcfService1.Service1Behavior">  <endpoint address="http://localhost:26535/Service1.svc" binding="webHttpBinding" contract="WcfService1.IService1" behaviorConfiguration="webHttp" >  <identity> <dns value="localhost"/> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WcfService1.Service1Behavior">  <serviceMetadata httpGetEnabled="true"/>  <serviceDebug includeExceptionDetailInFaults="false"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="webHttp"> <webHttp/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> </configuration> Code: [ServiceContract(Namespace = "")] public interface IService1 { //[WebInvoke(Method = "POST", UriTemplate = "Data?value={value}")] [OperationContract] [WebGet(UriTemplate = "/{value}")] string GetData(string value); [OperationContract] CompositeType GetDataUsingDataContract(CompositeType composite); // TODO: Add your service operations here } public class Service1 : IService1 { public string GetData(string value) { return string.Format("You entered: {0}", value); }

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Enable DOM Access for Silverlight Web Part in Sharepoint 2010

- by Bhaskar

I am hosting a silverlight 3.0 control on my Sharepoint 2010 page. I am using the built-in SilverlightWebPart web part, where I have provided the path for .xap file. Its displaying properly, but when I try to access the System.Windows.Browser, its throwing an error. My code is: public static string GetQueryString(string key) { try { var documentQueryString = (Dictionary<string, string>)System.Windows.Browser.HtmlPage.Document.QueryString; if (documentQueryString.ContainsKey(key)) { return documentQueryString[key].ToString(); } } catch (Exception ex) { return ex.Message; } return string.Empty; } The error I am getting is: The DOM/scripting bridge is disabled. How do I enable this? I know if I host this in a ASP.NET page, I can add the param - <param name="enablehtmlaccess" value="true"/>. I have tried putting this webpart in a "content editor web part", and I have embedded the object tag to call the .xap file and its working totally fine. I need to make it work using the built-in Silverlight web part.

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WCF Global(.asax) Behavior

- by Theofanis Pantelides

Hi, I want to create a global option that when a REST call contains &format=json to output the response as a JSON string. If I enter the following String in my method it works: WebOperationContext.Current.OutgoingResponse.Format = WebMessageFormat.Json; However, if I add this line, anywhere in my Global.asax file, I get a nullException for Current Context: String format = ""; if (HttpContext.Current.Request.QueryString["format"] != null) format = HttpContext.Current.Request.QueryString["format"]; if (String.Equals("json", format, StringComparison.OrdinalIgnoreCase)) System.ServiceModel.Web.WebOperationContext.Current.OutgoingResponse.Format = System.ServiceModel.Web.WebMessageFormat.Json; The exception is triggered here: System.ServiceModel.Web.WebOperationContext.Current Anyone know how I can add this functionality globally (WCF)?

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