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• Data Formatters temporarily unavailable

  - by iphone newbie

  I'm currently working on an iPhone app. This app has a login screen, also a signup screen. After the user has successfully signed up, I dismiss the signup view, then the app automatically logs in using the created account. After which, the login view is dismissed, showing the main view. I'm trying to modify this by immediately dismissing the login view, since I already have the account details of the user when the signup is successful. Basically, the ideal flow is: after the user successfully signs up, I save the username and password in a singleton class, then dismiss the signup view. When I get to the parent view (which is the login screen), I have a variable that checks if there was a successful signup. If that variable is true, I want to immediately dismiss the login view. However, I come across this error message: Data Formatters temporarily unavailable, will re-try after a 'continue'. (Unknown error loading shared library "/Developer/usr/lib/libXcodeDebuggerSupport.dylib") I'm not really sure why this happens. I have no problems dismissing the login view when I go through the actual login procedure - which of course also dismisses the login view if the user inputs a correct username and password. I'm not exactly sure, but I'm starting to think that the iPhone cannot handle dismissing 2 view controllers almost at the same time. Is it possible that I'm dismissing the login view too quickly? Is that a factor? Is there anyway for me to be able to dismiss 2 view controllers almost simultaneously without coming across this error message?

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• Cannot import the following keyfile: blah.pfx. The keyfile may be password protected.

  - by JasonD

  We just upgraded our Visual Studio 2008 projects to VS2010. All of our assemblies were strong signed using a Verisign code signing certificate. Since the upgrade we continuously get the following error: Cannot import the following key file: companyname.pfx. The key file may be password protected. To correct this, try to import the certificate again or manually install the certificate to the Strong Name CSP with the following key container name: VS_KEY_3E185446540E7F7A This happens on some developer machines and not others. Some methods used to fix this that worked some of the time include: re-installing the key file from Windows Explorer (right click on the PFX file and click Install) installing VS2010 on a fresh machine for the first time prompts you for the password the first time you open the project, and then it works. On machines upgraded from VS2008, you don't get this option. I've tried using the SN.EXE utility to register the key with the Strong Name CSP as the error message suggests, but whenever I run the tool with any options using the version that came with VS2010, SN.EXE just lists its command line arguments instead of doing anything. This happens regardless of what arguments I supply. Does anyone know WHY this is happening, and have clear steps to fix it? I'm about to give up on Click Once installs and Microsoft Code Signing. Thanks for any help!

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• The HTTP request was forbidden with client authentication scheme 'Anonymous'

  - by dudia

  I am trying to configure a WCF server\client to work with SSL I get the following exception: The HTTP request was forbidden with client authentication scheme 'Anonymous' I have a self hosted WCF server. I have run hhtpcfg both my client and server certificates are stored under Personal and Trusted People on the Local Machine Here is the server code: binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Certificate; binding.Security.Mode = WebHttpSecurityMode.Transport; _host.Credentials.ClientCertificate.Authentication.CertificateValidationMode = System.ServiceModel.Security.X509CertificateValidationMode.PeerOrChainTrust; _host.Credentials.ClientCertificate.Authentication.RevocationMode = X509RevocationMode.NoCheck; _host.Credentials.ClientCertificate.Authentication.TrustedStoreLocation = StoreLocation.LocalMachine; _host.Credentials.ServiceCertificate.SetCertificate("cn=ServerSide", StoreLocation.LocalMachine, StoreName.My); Client Code: binding.Security.Mode = WebHttpSecurityMode.Transport; binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Certificate; WebChannelFactory<ITestClientForServer> cf = new WebChannelFactory<ITestClientForServer>(binding, url2Bind); cf.Credentials.ClientCertificate.SetCertificate("cn=ClientSide", StoreLocation.LocalMachine, StoreName.My); ServicePointManager.ServerCertificateValidationCallback += RemoteCertificateValidate; Looking at web_tracelog.svclog and trace.log reveals that the server cannot autheticate the client certificate My certificate are not signed by an Authorized CA but this is why I added them to the Trusted People.... What Am I missing? What am I missing?

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• Code sign error with Xcode 3.2

  - by quux

  I had a fully working build environment before upgrading to iPhone OS 3.1 and Xcode 3.2. Now when I try to do a build, i get the following: Code Sign error: Provisioning profile 'FooApp test' specifies the Application Identifier 'no.fooapp.iphoneapp' which doesn't match the current setting 'TGECMYZ3VK.no.fooapp.iphoneapp' The problem is that Xcode somehow manages to think that the "FooApp Test" provisioning profile specifies the Application Identifier "no.fooapp.iphoneapp", but this is not the case. In the Organizer (and in the iPhone developer portal website) the app identifier is correctly seen as 'TGECMYZ3VK.no.fooapp.iphoneapp'. Also, when setting the provisioning profile in the build options at the project level, Xcode correctly identifies the app identifier, but when I go to the target, I'm unable to select any valid provisioning profile. What could be causing this problem? Update: I've tried to create a new provisioning profile, but still no luck. I also tried simply changing the app identified in Info.plist to just "no.fooapp.iphoneapp". The build succeeds, but now I get an error from the Organizer: The executable was signed with invalid entitlements. The entitlements specified in your application's Code Signing Entitlements file do not match those specified in your provisioning profile. (0xE8008016). This seems reasonable, as the provisioning profile still has the "TGECMYZ3VK.no.fooapp.iphoneapp" application identifier. I also double checked that all certiicates are valid in the Keychain. So my question is how I can get Xcode to see the correct application identifier? UPDATE: As noted below, what seems to fix the problem is deleting all provisioning profiles, certificates etc, making new certificates / profiles and installing them again. If anyone has any other solutions, they would be welcome. :)

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• How to bind a datatable to a wpf editable combobox: selectedItem showing System.Data.DataRowView

  - by black sensei

  Hello Good People!! I bound a datatable to a combobox and defined a dataTemplate in the itemTemplate.i can see desired values in the combobox dropdown list,what i see in the selectedItem is System.Data.DataRowView here are my codes: <ComboBox Margin="128,139,123,0" Name="cmbEmail" Height="23" VerticalAlignment="Top" TabIndex="1" ToolTip="enter the email you signed up with here" IsEditable="True" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding}"> <ComboBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock Text="{Binding Path=username}"/> </StackPanel> </DataTemplate> </ComboBox.ItemTemplate> The code behind is so : if (con != null) { con.Open(); //users table has columns id | username | pass SQLiteCommand cmd = new SQLiteCommand("select * from users", con); SQLiteDataAdapter da = new SQLiteDataAdapter(cmd); userdt = new DataTable("users"); da.Fill(userdt); cmbEmail.DataContext = userdt; } I've been looking for something like SelectedValueTemplate or SelectedItemTemplate to do the same kind of data templating but i found none. I'll like to ask if i'm doing something wrong or it's a known issue for combobox binding? if something is wrong in my code please point me to the right direction. thanks for reading this

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• $facebook->getSession() returns null in the example code. is that ok?

  - by Toto

  Running the example code for the Facebook API I get a null session object, and I should get a non-null object giving the comment in the code. What am I doing wrong? In other words, in my index.php this fragment from the example code shows "no session" when I go to http://apps.facebook.com/my_app in my browser: <?php require './facebook.php'; // Create our Application instance. $facebook = new Facebook(array( 'appId' => '...', // actual value replaced by '...' for this post 'secret' => '...', // actual value replaced by '...' for the post 'cookie' => true, )); // We may or may not have this data based on a $_GET or $_COOKIE based session. // // If we get a session here, it means we found a correctly signed session using // the Application Secret only Facebook and the Application know. We dont know // if it is still valid until we make an API call using the session. A session // can become invalid if it has already expired (should not be getting the // session back in this case) or if the user logged out of Facebook. $session = $facebook->getSession(); if ($session) { echo "session ok"; } else { echo "no session"; } ?> Note: in my server index.php and facebook.php are in the same folder.

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• Objective-C SSL Synchronous Connection

  - by Mike

  Hello, I'm a little new to objective-C but have run across a problem that I can't solve, mostly because I'm not sure I am implementing the solution correctly. I am trying to connect using a Synchronous Connection to a https site with a self-signed certificate. I am getting the Error Domain=NSURLErrorDomain Code=-1202 "untrusted server certificate" Error that I have seen some solutions to on this forum. The solution i found was to add: - (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace { return [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]; } (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge { [challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge]; } to the NSURLDelegate to accept all certificates. When I connect to the site using just a: NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:@"https://examplesite.com/"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0]; NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; It works fine and I see the challenge being accepted. However when I try to connect using the synchronous connection I still get the error and I don't see the challenge functions being called when I put in logging. How can I get the synchronous connection to use the challenge methods? Is it something to do with the delegate:self part of the URLConnection? I also have logging for sending/receiving data within the NSURLDelegate that is called by my connection function but not by the synchronous function. What I am using for the synchronous part: NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL: [NSURL URLWithString:@"https://examplesite.com/"]]; [request setHTTPMethod: @"POST"]; [request setHTTPBody: [[NSString stringWithString:@"username=mike"] dataUsingEncoding: NSUTF8StringEncoding]]; dataReply = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error]; NSLog(@"%@", error); stringReply = [[NSString alloc] initWithData:dataReply encoding:NSUTF8StringEncoding]; NSLog(@"%@", stringReply); [stringReply release]; NSLog(@"Done"); Like I mentioned I'm a little new to objective C so be kind :) Thanks for any help. Mike

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• Using M2Crypto to save and load X509 certs in pem files

  - by Brock Pytlik

  I would expect that if I have a X509 cert as an object in memory, saved it as a pem file, then loaded it back in, I would end up with the same cert I started with. This seems not to be the case however. Let's call the original cert A, and the cert loaded from the pem file B. A.as_text() is identical to B.as_text(), but A.as_pem() differs from B.as_pem(). To say the least, I'm confused by this. As a side note, if A has been signed by another entity C, then A will verify against C's cert, but B will not. I've put together a tiny sample program to demonstrate what I'm seeing. When I run this, the second RuntimeError is raised. Thanks, Brock #!/usr/bin/python2.6 import M2Crypto as m2 import time cur_time = m2.ASN1.ASN1_UTCTIME() cur_time.set_time(int(time.time()) - 60*60*24) expire_time = m2.ASN1.ASN1_UTCTIME() # Expire certs in 1 hour. expire_time.set_time(int(time.time()) + 60 * 60 * 24) cs_rsa = m2.RSA.gen_key(1024, 65537, lambda: None) cs_pk = m2.EVP.PKey() cs_pk.assign_rsa(cs_rsa) cs_cert = m2.X509.X509() # These two seem the minimum necessary to make the as_text function call work # at all cs_cert.set_not_before(cur_time) cs_cert.set_not_after(expire_time) # This seems necessary to fill out the complete cert without errors. cs_cert.set_pubkey(cs_pk) # I've tried with the following set lines commented out and not commented. cs_name = m2.X509.X509_Name() cs_name.C = "US" cs_name.ST = "CA" cs_name.OU = "Fake Org CA 1" cs_name.CN = "www.fakeorg.dex" cs_name.Email = "[email protected]" cs_cert.set_subject(cs_name) cs_cert.set_issuer_name(cs_name) cs_cert.sign(cs_pk, md="sha256") orig_text = cs_cert.as_text() orig_pem = cs_cert.as_pem() print "orig_text:\n%s" % orig_text cs_cert.save_pem("/tmp/foo") tcs = m2.X509.load_cert("/tmp/foo") tcs_text = tcs.as_text() tcs_pem = tcs.as_pem() if orig_text != tcs_text: raise RuntimeError( "Texts were different.\nOrig:\n%s\nAfter load:\n%s" % (orig_text, tcs_text)) if orig_pem != tcs_pem: raise RuntimeError( "Pems were different.\nOrig:\n%s\nAfter load:\n%s" % (orig_pem, tcs_pem))

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• Generate authenticated CMSEnvelopedData Messages with bouncycastle

  - by levinalex

  I am trying to encrypt data with a password and store it inside a ASN.1 encoded CMS message (using C# and BouncyCastle 1.4) The code I have seems to have two problems: the data does not seem to be signed with a HMAC, so when I tamper with the encodedData (by enabling the commented out line), the decryption still succeeds. when I decrypt the data I have tampered with, I get beck corrupted plain text. However only a two blocks of plaintext data are corrupted. This seems to suggest that the encryption does not actually use CBC mode. (edit: disregard the second point, this is exactly how CBC is supposed to work) This is what I am testing with: public void TestMethod1() { byte[] data = new byte[1024]; // plaintext: a list of zeroes CmsEnvelopedDataGenerator generator = new CmsEnvelopedDataGenerator(); CmsPbeKey encryptionKey = new Pkcs5Scheme2PbeKey("foo", new byte[] { 1, 2, 3 }, 2048); generator.AddPasswordRecipient(encryptionKey, CmsEnvelopedDataGenerator.Aes256Cbc); CmsProcessableByteArray cmsByteArray = new CmsProcessableByteArray(data); CmsEnvelopedData envelopeData = generator.Generate(cmsByteArray, CmsEnvelopedDataGenerator.Aes256Cbc); byte[] encodedData = envelopeData.GetEncoded(); // encodedData[500] = 10; // tamper with the data RecipientID recipientID = new RecipientID(); CmsEnvelopedData decodedEnvelopeData = new CmsEnvelopedData(encodedData); RecipientInformation recipient = decodedEnvelopeData.GetRecipientInfos().GetFirstRecipient(recipientID); byte[] data2 = recipient.GetContent(encryptionKey); CollectionAssert.AreEqual(data, data2); } What am I doing wrong? What would be the correct way to write this?

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• X509 Certificates, DigitalSignature vs NonRepudiation (C#)

  - by Eyvind

  We have been handed a set of test sertificates on smart cards for developing a solution that requires XML messages to be signed using PKI. Each (physical) smart card seems to have two certificates stored on it. I import them into the Windows certificate store using software supplied by the smart card provider, and then use code resembling the following to iterate over the installed certificates: foreach (X509Certificate2 x509 in CertStore.Certificates) { foreach (X509Extension extension in x509.Extensions) { if (extension.Oid.Value == "one we are interested in") { X509KeyUsageExtension ext = (X509KeyUsageExtension)extension; if ((ext.KeyUsages & X509KeyUsageFlags.DigitalSignature) != X509KeyUsageFlags.None) { // process certs here We have been told to use the certificates that have the NonRepudiation key usage flag set to sign the XMLs. However, the certificate that has the NonRepudiation flag has this flag only, and not for instance the DigitalSignature flag which I check for above. Does this strike anyone but me as slightly odd? I am in other words told to sign with a certificate that does not (appear to) have the DigitalSignature usage flag set. Is this normal procedure? Any comments? Thanks.

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• Personal projects competing with employers projects?

  - by jamesorwood123

  Recently at my place of employment it was discovered that I was developing an outside personal project (personal project being a project I have been working on, in my spare time, for my own purposes, using my personal equipment). My employer has an idea which is very similar to my outside project but has not been started, created, put out to market yet. When I originally started working for the company I signed a non-compete contract. My employer is now saying that because my outside/personal project is similar to theirs that I am now a competitor and breaching my original non-compete agreement. What I would like to know is where do I stand in this situation? Also my personal project has not been fully developed, nor is available to anyone other than myself. So if we both don’t have full/released products (full meaning put out to the public) are we actually competitors? There is going to be a meeting in the coming weeks to discuss this issue and would like to have a proper argument in place. I know some of this conversation is best held with a lawyer but I don’t have the money to do that yet. I’m not looking for full legal advice just anyone who has maybe experienced this or can give any advice. Thanks in advance!

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• Issue configuring Oracle database for SSL

  - by Santhosha

  Hello, I want to setup Oracle for SSL communication. I am not using SSL authentication for database user. As first requirement, generated self signed certificate using OpenSSL and added certificate to wallet. The wallet location is specified in server configuration. Created listener and it is starting however it does not provide any service. The default listener (non SSL) is working fine. When I execute LSNRCTL.EXE status SSLLISTENER it gives below output. STATUS of the LISTENER Alias SSLLISTENER Version TNSLSNR for 32-bit Windows: Version 11.1.0.6.0 - Production Start Date 14-NOV-2009 01:47:08 Uptime 16 days 22 hr. 14 min. 3 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File C:\app\Administrator\product\11.1.0\db_1\network\admin\listener.ora Listener Log File c:\app\administrator\diag\tnslsnr\\ssllistener\alert\log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=)(PORT =2484))) The listener supports no services The command completed successfully Here is exact content of various files after configuration. 1) File Name: tnsnames.ora ORCL = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = )(PORT 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) 2) File Name: sqlnet.ora SSL_VERSION = 0 NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT) sqlnet.authentication_services= (NONE) tcp.validnode_checking = no tcp.invited_nodes=(PS0803.oraebs.com,PS2948,PS5098) SSL_CLIENT_AUTHENTICATION = FALSE WALLET_LOCATION = (SOURCE = (METHOD = FILE) (METHOD_DATA = (DIRECTORY = C:\app\Administrator\admin\orcl\Server_Wallet) ) ) 3) File Name: listener.ora S SL_CLIENT_AUTHENTICATION = FALSE WALLET_LOCATION = (SOURCE = (METHOD = FILE) (METHOD_DATA = (DIRECTORY = C:\app\Administrator\admin\orcl\Server_Wallet) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = )(PORT 1521)) ) ) SSLLISTENER = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCPS)(HOST = )(PORT = 2484)) ) Thanks Santhosh

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• Mathematically Find Max Value without Conditional Comparison

  - by Cnich

  ----------Updated ------------ codymanix and moonshadow have been a big help thus far. I was able to solve my problem using the equations and instead of using right shift I divided by 29. Because with 32bits signed 2^31 = overflows to 29. Which works! Prototype in PHP $r = $x - (($x - $y) & (($x - $y) / (29))); Actual code for LEADS (you can only do one math function PER LINE!!! AHHHH!!!) DERIVDE1 = IMAGE1 - IMAGE2; DERIVED2 = DERIVED1 / 29; DERIVED3 = DERIVED1 AND DERIVED2; MAX = IMAGE1 - DERIVED3; ----------Original Question----------- I don't think this is quite possible with my application's limitations but I figured it's worth a shot to ask. I'll try to make this simple. I need to find the max values between two numbers without being able to use a IF or any conditional statement. In order to find the the MAX values I can only perform the following functions Divide, Multiply, Subtract, Add, NOT, AND ,OR Let's say I have two numbers A = 60; B = 50; Now if A is always greater than B it would be simple to find the max value MAX = (A - B) + B; ex. 10 = (60 - 50) 10 + 50 = 60 = MAX Problem is A is not always greater than B. I cannot perform ABS, MAX, MIN or conditional checks with the scripting applicaiton I am using. Is there any way possible using the limited operation above to find a value VERY close to the max?

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• Pointing non-www to a spcific sub-directory

  - by Ben Sinclair

  I might be going about this all wrong so let me know if I am. I am creating software that allows people to sign up and have their own sub-domain on my website. So say my website is ben.com, they could have their own sub-domain called juice.ben.com. When they type their sub-domain juice.ben.com in their address bar, it will load the contents in a root directory. I have also set-up a .htaccess redirect to redirect www.ben.com to ben.com. Not sure if this matters with my question but I thought I'd mention it. Ok, so basically what I think I need to do is put the software they they've signed up to in the root directory. So when someone goes to juice.ben.com, they will be pointed to the root directory (I beleive I cans et-up wild card sub-domains with my host) and the software will then analyse their sub-domain and then display their account. Now, if someone just types in ben.com into their browser, I want it to show the contents of the ben.com/_website/ folder but still show in the address bar that they are still in the root directory. Hopefully I am making sense :) Is this possible with htaccess? If so, what do I need to do?

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• Friend Assemblies in C#

  - by Tim Long

  I'm trying to create some 'friend assemblies' using the [InternalsVisibleTo()] attribute, but I can't seem to get it working. I've followed Microsoft's instructions for creating signed friend assemblies and I can't see where I'm going wrong. So I'll detail my steps here and hopefully someone can spot my deliberate mistake...? Create a strong name key and extract the public key, thus: sn -k StrongNameKey sn -p public.pk sn -tp public.pk Add the strong name key to each project and enable signing. Create a project called Internals and a class with an internal property: namespace Internals { internal class ClassWithInternals { internal string Message { get; set; } public ClassWithInternals(string m) { Message = m; } } } Create another project called TestInternalsVisibleTo: namespace TestInternalsVisibleTo { static class Program { /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { var c = new Internals.ClassWithInternals("Test"); Console.WriteLine(c.Message); } } } Edit the AssemblyInfo.cs file for the Internals project, and add teh necessary attribute: [assembly: AssemblyTitle("AssemblyWithInternals")] [assembly: AssemblyDescription("")] [assembly: AssemblyConfiguration("")] [assembly: AssemblyCompany("Microsoft")] [assembly: AssemblyProduct("Internals")] [assembly: AssemblyCopyright("Copyright © Microsoft 2010")] [assembly: AssemblyTrademark("")] [assembly: AssemblyCulture("")] [assembly: ComVisible(false)] [assembly: Guid("41c590dc-f555-48bc-8a94-10c0e7adfd9b")] [assembly: AssemblyVersion("1.0.0.0")] [assembly: AssemblyFileVersion("1.0.0.0")] [assembly: InternalsVisibleTo("TestInternalsVisibleTo PublicKey=002400000480000094000000060200000024000052534131000400000100010087953126637ab27cb375fa917c35b23502c2994bb860cc2582d39912b73740d6b56912c169e4a702bedb471a859a33acbc8b79e1f103667e5075ad17dffda58988ceaf764613bd56fc8f909f43a1b177172bc4143c96cf987274873626abb650550977dcad1bb9bfa255056bb8d0a2ec5d35d6f8cb0a6065ec0639550c2334b9")] And finally... build! I get the following errors: error CS0122: 'Internals.ClassWithInternals' is inaccessible due to its protection level error CS1729: 'Internals.ClassWithInternals' does not contain a constructor that takes 1 arguments error CS1061: 'Internals.ClassWithInternals' does not contain a definition for 'Message' and no extension method 'Message' accepting a first argument of type 'Internals.ClassWithInternals' could be found (are you missing a using directive or an assembly reference?) Basically, it's as if I had not used the InternalsVisibleTo attrbute. Now, I'm not going to fall into the trap of blaming the tools, so what's up here? Anyone?

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• PartCover 2.5.3 win 7 x64

  - by user329814

  Could you tell me how you got PartCover running with VS2008 and win 7 x64? Based on this post http://stackoverflow.com/questions/256287/how-do-i-run-partcover-in-x64-windows, I ran c:\Program Files (x86)\Gubka Bob\PartCover .NET 2.3>CorFlags.exe PartCover.exe / 32BIT+ /Force with result Microsoft (R) .NET Framework CorFlags Conversion Tool. Version 3.5.21022.8 Copyright (c) Microsoft Corporation. All rights reserved. corflags : warning CF011 : The specified file is strong name signed. Using /Force will invalidate the signature of this image and will require the assembly to be resigned. and c:\Program Files (x86)\NUnit 2.5.2\bin\net-2.0>CorFlags.exe nunit.exe /32BIT+ /Force with result Microsoft (R) .NET Framework CorFlags Conversion Tool. Version 3.5.21022.8 Copyright (c) Microsoft Corporation. All rights reserved. Also, based on my discussion http://stackoverflow.com/questions/2546340/using-partcover-2-3-with-net-4-0-runtime/2964333#2964333, I also tried to use the x86 version of NUnit What I'm trying to run coverage for is the c# money sample for NUnit 2.5.2 I get the same System.Threading.ThreadInterruptedException --- System.Runtime.InteropServices.COMException (0x80040153): Retrieving the COM class factory for component with CLSID {FB20430E-CDC9-45D7-8453-272268002E08} failed due to the following error: 80040153 Thank you Edit: same thing with PartCover 2.2 My settings: exe file: C:\Program Files (x86)\NUnit 2.5.2\bin\net-2.0\nunit-console-x86.exe working dir: c:\Program Files (x86)\NUnit 2.5.2\samples\csharp\money\ work arg: /config=c:\Program Files (x86)\NUnit 2.5.2\samples\csharp\money\cs-money.csproj rules: +[]

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• Is there a way to receive receive data as unsugned char over UDP on QT

  - by user269037

  I need to send floating point numbers using UDP connection to a QT application. Now in QT the only function available is qint64 readDatagram ( char * data, qint64 maxSize, QHostAddress * address = 0, quint16 * port = 0 ) which accepts data in the form of signed character buffer. I can convert my float into a string and send it but it will obviously not be very efficient converting a 4 byte float into a much longer sized character buffer. I got hold of these 2 functions to convert a 4 byte float into an unsinged 32 bit integer to transfer over network which works fine for a simple c++ udp program but for QT I need to receive the data as unsigned char. Is it possible to avoid converting the floatinf point data into a string and then sending it ?? uint32_t htonf(float f) { uint32_t p; uint32_t sign; if (f < 0) { sign = 1; f = -f; } else { sign = 0; } p = ((((uint32_t)f)&0x7fff)<<16) | (sign<<31); // whole part and sign p |= (uint32_t)(((f - (int)f) * 65536.0f))&0xffff; // fraction return p; } float ntohf(uint32_t p) { float f = ((p16)&0x7fff); // whole part f += (p&0xffff) / 65536.0f; // fraction if (((p>>31)&0x1) == 0x1) { f = -f; } // sign bit set return f; }

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• Post on a logged in users facebook wall

  - by Matt Nathanson

  Hey all, I've created a widget that will essentially unlock a music track, providing you post to either your twitter account, or facebook wall. I've signed up through facebook connect and I am able to successfully post onto my own wall... but the functionality I'm looking for is to be able to take ones username and password and automatically log in to facebook, and send my desired message. Like I said, it posts on my wall successfully, it's just not using the username and password from the field to log in to their respective facebooks and post. <?php $facename = $_POST['facename']; $facepass = $_POST['facepass']; define('FB_APIKEY', 'my_api_key'); define('FB_SECRET', 'my_secret_phrase_'); define('FB_SESSION', 'my_session_id'); require_once('facebook.php'); echo "post on wall"; try { $facebook = new Facebook(FB_APIKEY, FB_SECRET); $facebook->api_client->session_key = FB_SESSION; $fetch = array('friends' => array('pattern' => '.*', 'query' => "select uid2 from friend where uid1={$facename}")); echo $facebook->api_client->admin_setAppProperties(array('preload_fql' => json_encode($fetch))); $message = 'I downloaded Automatic Loveletter\'s new single \'To Die For\' here!'; if( $facebook->api_client->stream_publish($message)) echo "Added on FB Wall"; } catch(Exception $e) { echo $e . "<br />"; } ?> Any help in the right direction is greatly appreciated! Thanks, Matt

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• Android Scoreloop, OpenFeint etc al

  - by theblitz

  I am looking to use one of the social networks in my Android program. Most important for me is the ability to build a continuous leadership board in which players move up and down depending their wins/loses to others. The idea is for players to challenge others head-to-head. The winner gains points and the loser loses points. Equally important, I want this feature to include the possibility to "charge" the player game coins. Scoreloop includes the possibility of challenges but they are there in order to win coins off other players. In other words, they are the means to the end. In my case I need it to be the other way around. The "ends" is to be higher in the leadership board and the "means" are to play others with coins. Scoreloop do have a continuos leadership board but it is not accessible from the program. I tried looking at OpenFeint but their site is a real mess. It is impossible to understand from there exactly what is and isn't available. I signed up and tried to add my program. I ended up adding it four times and cannot delete it!

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• .NET Test Harness what should it have

  - by Conor

  Hi Folks, We have a software house developing code for us on a project, .NET Web Service (WCF) and we are also paying for a test harness to be built as a separate billable task on a daily rate. I have just joined the company and am reviewing what we are getting from the software house and wanted to know what you guys in industry thought about it? Basically what we got was a WinForm that called the w/s that had an input area (Web Service Request) to drop our XML a Submit button along with a response area for the result of the Web Response and that's it... Our internal BA has created all the xml request documents so there was no logic put into the harness around this. Looking on the Net for a definition of a Test Harness I got this: http://en.wikipedia.org/wiki/Test_harness It states it should have these 3 below things: Automate the testing process. Execute test suites of test cases. Generate associated test reports. Clearly we have got none of this apart from a partial "Automate the testing process" via a WinForm. OK, from my development background I would expect someone to Produce a WinForm as a test harness 5 years ago and really should be using some sort of Tooling around this, I explicitly told the Software House I expected some sort of tooling (NUnit,NBUnit, SOAPIU) so we could create a regression test pack for future use. [Didn’t get it but I asked for this after the requirements were signed off as I wasn’t employed then :)] Would someone be able to clarify with me if my requirement for this is over realistic, I know if I did this, I would use NUnit and TDD and then reuse the test harness as a regression test pack in future? I am interested to see what the community thought. Cheers

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• Public key of Android project and keystore created in Eclipse?

  - by user578056

  I created an Android project using Eclipse (under Windows FWIW) and let Eclipse create the keypair during the Export Android Application process. I successfully used Eclipse to make a signed release build that is now on the Market. Now I want to now use ProGuard, which I believe means using Ant instead of Eclipse to build. It was a pain, but Ant building works in both debug and release, until it tries to sign the APK. I get: [signjar] jarsigner: Certificate chain not found for: redacted. redacted must reference a valid KeyStore key entry containing a private key and corresponding public key certificate chain. keytool -list -keystore redacted gives me: Keystore type: JKS Keystore provider: SUN Your keystore contains 1 entry redacted, Jan 16, 2011, PrivateKeyEntry, Certificate fingerprint (MD5): BD:0F:70:C1:39:F5:FE:5B:BC:CD:89:0B:C8:66:95:E0 Which brings me to the actual question: where is my public key? I have some sort of public key on my Android Market profile, but is that the pair for my private key? If so, how do I store that in the keystore so that jarsigner will work?

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• Bitwise Interval Arithmetic

  - by KennyTM

  I've recently read an interesting thread on the D newsgroup, which basically asks, Given two signed integers a ∈ [amin, amax], b ∈ [bmin, bmax], what is the tightest interval of a | b? I'm think if interval arithmetics can be applied on general bitwise operators (assuming infinite bits). The bitwise-NOT and shifts are trivial since they just corresponds to -1 − x and 2n x. But bitwise-AND/OR are a lot trickier, due to the mix of bitwise and arithmetic properties. Is there a polynomial-time algorithm to compute the intervals of bitwise-AND/OR? Note: Assume all bitwise operations run in linear time (of number of bits), and test/set a bit is constant time. The brute-force algorithm runs in exponential time. Because ~(a | b) = ~a & ~b and a ^ b = (a | b) & ~(a & b), solving the bitwise-AND and -NOT problem implies bitwise-OR and -XOR are done. Although the content of that thread suggests min{a | b} = max(amin, bmin), it is not the tightest bound. Just consider [2, 3] | [8, 9] = [10, 11].)

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• Simulating Google Appengine's Task Queue with Gearman

  - by sotangochips

  One of the characteristics I love most about Google's Task Queue is its simplicity. More specifically, I love that it takes a URL and some parameters and then posts to that URL when the task queue is ready to execute the task. This structure means that the tasks are always executing the most current version of the code. Conversely, my gearman workers all run code within my django project -- so when I push a new version live, I have to kill off the old worker and run a new one so that it uses the current version of the code. My goal is to have the task queue be independent from the code base so that I can push a new live version without restarting any workers. So, I got to thinking: why not make tasks executable by url just like the google app engine task queue? The process would work like this: User request comes in and triggers a few tasks that shouldn't be blocking. Each task has a unique URL, so I enqueue a gearman task to POST to the specified URL. The gearman server finds a worker, passes the url and post data to a worker The worker simply posts to the url with the data, thus executing the task. Assume the following: Each request from a gearman worker is signed somehow so that we know it's coming from a gearman server and not a malicious request. Tasks are limited to run in less than 10 seconds (There would be no long tasks that could timeout) What are the potential pitfalls of such an approach? Here's one that worries me: The server can potentially get hammered with many requests all at once that are triggered by a previous request. So one user request might entail 10 concurrent http requests. I suppose I could have a single worker with a sleep before every request to rate-limit. Any thoughts?

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• 48-bit bitwise operations in Javascript?

  - by randomhelp

  I've been given the task of porting Java's Java.util.Random() to JavaScript, and I've run across a huge performance hit/inaccuracy using bitwise operators in Javascript on sufficiently large numbers. Some cursory research states that "bitwise operators in JavaScript are inherently slow," because internally it appears that JavaScript will cast all of its double values into signed 32-bit integers to do the bitwise operations (see https://developer.mozilla.org/En/Core_JavaScript_1.5_Reference/Operators/Bitwise_Operators for more on this.) Because of this, I can't do a direct port of the Java random number generator, and I need to get the same numeric results as Java.util.Random(). Writing something like this.next = function(bits) { if (!bits) { bits = 48; } this.seed = (this.seed * 25214903917 + 11) & ((1 << 48) - 1); return this.seed >>> (48 - bits); }; (which is an almost-direct port of the Java.util.Random()) code won't work properly, since Javascript can't do bitwise operations on an integer that size.) I've figured out that I can just make a seedable random number generator in 32-bit space using the Lehmer algorithm, but the trick is that I need to get the same values as I would with Java.util.Random(). What should I do to make a faster, functional port?

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• How do I work out IEEE 754 64-bit Floating Point Double Precision?

  - by yousef gassar

  enter code herehello i have done it in 32 but i could dont do it in 62bits please i need help I am stuck on this question and need help. I don't know how to work it out. This is the question. Below are two numbers represented in IEEE 754 64-bit Floating Point Double Precision, the bias of the signed exponent is -1023. Any particular real number ‘N’ represented in 64-bit form (i.e. with the following bit fields; 1-bit Sign, 11-bit Exponent, 52-bit Fraction) can be expressed in the form ±1.F2 × 2X by substituting the bit-field values using formula (IV.I): N = (-1) S × 1.F2 × 2(E – 1023) for 0 < E < 2047.........................….(IV.I) Where N= the number represented, S=Sign bit-value, E=Exponent=X +1023, F=Fraction or Mantissa are the values in the 1, 11 and 52-bit fields respectively in the IEEE 754 64-bit FP representation. Using formula (IV.I), express the 64-bit FP representation of each number as: (i) A binary number of the form:- ±1.F2 × 2X (ii) A decimal number of the form:- ±0.F10 × 10Y {limit F10 to 10 decimal places} Sign 0 1 Exponent 1000 0001 001 11 Fraction 1111 0111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 52 Sign 1 1 Exponent 1000 0000 000 11 Fraction 1001 0010 0001 1111 1011 0101 0100 0100 0100 0010 1101 0001 1000 52 I know I have to use the formula for each of the these but how do I work it out? Is it like this? N = (-1) S × 1.F2 × 2(E – 1023) = 1 x 1.1111 0111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 x 1000 0001 00111 (-1023)?

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