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  • UIImage created from CGImageRef fails with UIImagePNGRepresentation

    - by Ari J.R.
    I'm using the following code to crop and create a new UIImage out of a bigger one. I've isolated the issue to be with the function CGImageCreateWithImageInRect() which seem to not set some CGImage property the way I want. :-) The problem is that a call to function UIImagePNGRepresentation() fails returning a nil. CGImageRef origRef = [stillView.image CGImage]; CGImageRef cgCrop = CGImageCreateWithImageInRect( origRef, theRect); UIImage *imgCrop = [UIImage imageWithCGImage:cgCrop]; ... NSData *data = UIImagePNGRepresentation ( imgCrop); -- libpng error: No IDATs written into file Any idea what might wrong or alternative for cropping a rect out of UIImage? Many thanks!

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  • SharePoint SPListItem.ContentType.Name - "Message" vs "Discussion" ?

    - by Christopher
    I am writing a C# code to find all of our SharePoint Sites that have emails contained in the Email List page. It appears that some of our email messages are SPListItem.ContentType.Name = "Message" and some of our email messages are SPListItem.ContentType.Name = "Discussion" Aside from the confusion, this is forcing my to cycle through mylist.Folders and mylist.Items in two separate loops, so that I don't miss any of the emails. Is this normal? Any idea why this could be happening? There are threads that contains messages of both types.

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  • WPF listbox : problem with selection

    - by KiTe
    Hello. In my XAML file, I have a ListBox declared like this : <ListBox x:Name="lstDeck" Height="280" ItemsSource="{Binding Path=Deck}" > <ListBox.ItemTemplate> <DataTemplate> <ListBoxItem Content="{Binding}" /> </DataTemplate> </ListBox.ItemTemplate> </ListBox> In my view model, Deck is an ObservableCollection, so that binding directly displays the content of my collection. But when I have several value that hold the same value (for example "10" six times), the selection in the ListBox has a weird behaviour : it select 2-3 elements instead of the only the one on which I clicked. Moreover, when I click to another listBoxItem, it doesn't unfocus the previous selected one. Then it is impossible to see which item is actually selected, and impossible to get the SelectedIndex value. Has someone an idea?

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  • C# NotifyIcon ShowBalloonTip timeout

    - by Dubila
    Hi, In my c# (2.0 framework) application I'm using notify Icon control. I want to show from this control a balloon tip. but the "showBalloonTip" event i slimite to a timeout and I want to show this balloon forever. I've tried to use a timer that will show the balloon again and again but in vista there is a fading effect for balloons and if it is not disabled every 25-30 seconds the balloon will fade in. Any idea? Thanks.

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  • Django app that can provide user friendly, multiple / mass file upload functionality to other apps

    - by hopla
    Hi, I'm going to be honest: this is a question I asked on the Django-Users mailinglist last week. Since I didn't get any replies there yet, I'm reposting it on Stack Overflow in the hope that it gets more attention here. I want to create an app that makes it easy to do user friendly, multiple / mass file upload in your own apps. With user friendly I mean upload like Gmail, Flickr, ... where the user can select multiple files at once in the browse file dialog. The files are then uploaded sequentially or in parallel and a nice overview of the selected files is shown on the page with a progress bar next to them. A 'Cancel' upload button is also a possible option. All that niceness is usually solved by using a Flash object. Complete solutions are out there for the client side, like: SWFUpload http://swfupload.org/ , FancyUpload http://digitarald.de/project/fancyupload/ , YUI 2 Uploader http://developer.yahoo.com/yui/uploader/ and probably many more. Ofcourse the trick is getting those solutions integrated in your project. Especially in a framework like Django, double so if you want it to be reusable. So, I have a few ideas, but I'm neither an expert on Django nor on Flash based upload solutions. I'll share my ideas here in the hope of getting some feedback from more knowledgeable and experienced people. (Or even just some 'I want this too!' replies :) ) You will notice that I make a few assumptions: this is to keep the (initial) scope of the application under control. These assumptions are of course debatable: All right, my idea's so far: If you want to mass upload multiple files, you are going to have a model to contain each file in. I.e. the model will contain one FileField or one ImageField. Models with multiple (but ofcourse finite) amount of FileFields/ ImageFields are not in need of easy mass uploading imho: if you have a model with 100 FileFields you are doing something wrong :) Examples where you would want my envisioned kind of mass upload: An app that has just one model 'Brochure' with a file field, a title field (dynamically created from the filename) and a date_added field. A photo gallery app with models 'Gallery' and 'Photo'. You pick a Gallery to add pictures to, upload the pictures and new Photo objects are created and foreign keys set to the chosen Gallery. It would be nice to be able to configure or extend the app for your favorite Flash upload solution. We can pick one of the three above as a default, but implement the app so that people can easily add additional implementations (kinda like Django can use multiple databases). Let it be agnostic to any particular client side solution. If we need to pick one to start with, maybe pick the one with the smallest footprint? (smallest download of client side stuff) The Flash based solutions asynchronously (and either sequentially or in parallel) POST the files to a url. I suggest that url to be local to our generic app (so it's the same for every app where you use our app in). That url will go to a view provided by our generic app. The view will do the following: create a new model instance, add the file, OPTIONALLY DO EXTRA STUFF and save the instance. DO EXTRA STUFF is code that the app that uses our app wants to run. It doesn't have to provide any extra code, if the model has just a FileField/ImageField the standard view code will do the job. But most app will want to do extra stuff I think, like filling in the other fields: title, date_added, foreignkeys, manytomany, ... I have not yet thought about a mechanism for DO EXTRA STUFF. Just wrapping the generic app view came to mind, but that is not developer friendly, since you would have to write your own url pattern and your own view. Then you have to tell the Flash solutions to use a new url etc... I think something like signals could be used here? Forms/Admin: I'm still very sketchy on how all this could best be integrated in the Admin or generic Django forms/widgets/... (and this is were my lack of Django experience shows): In the case of the Gallery/Photo app: You could provide a mass Photo upload widget on the Gallery detail form. But what if the Gallery instance is not saved yet? The file upload view won't be able to set the foreignkeys on the Photo instances. I see that the auth app, when you create a user, first asks for username and password and only then provides you with a bigger form to fill in emailadres, pick roles etc. We could do something like that. In the case of an app with just one model: How do you provide a form in the Django admin to do your mass upload? You can't do it with the detail form of your model, that's just for one model instance. There's probably dozens more questions that need to be answered before I can even start on this app. So please tell me what you think! Give me input! What do you like? What not? What would you do different? Is this idea solid? Where is it not? Thank you!

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  • How do I stub a view in rspec-2

    - by Trey Bean
    I'm in the process of upgrading an app to Rails 3/Rspec 2. I see that stubbing a view helper method has changed in Rspec 2. It looks like instead of doing template.stub!, we're now supposed to do view.stub!, but I can't seem to get this to work on beta 10. I get an "undefined local variable or method `view' for # < RSpec::Core::ExampleGroup::Nested_1::Nested_1::Nested_1:0x106785fd0" error. I see that in this commit David removed the view method, but I can't figure out what it was replaced with. Something in ActionView::TestCase::Behavior? I'm on rails 3.0.0.beta3. Any idea what I'm missing?

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  • BlackBerry - Custom centered cyclic HorizontalFieldManager

    - by Hezi
    Trying to create a custom cyclical horizontal manager which will work as follows. It will control several field buttons where the buttons will always be positioned so that the focused button will be in the middle of the screen. As it is a cyclical manager once the focus moves to the right or left button, it will move to the center of the screen and all the buttons will move accordingly (and the last button will become the first to give it an cyclic and endless list feeling) Any idea how to address this? I tried doing this by implementing a custom manager which aligns the buttons according to the required layout. Each time moveFocus() is called I remove all fields (deleteAll() ) and add them again in the right order. Unfortunately this does not work.

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  • Microsoft.Web.Administration.ServerManager can't read config sections containing encrypted passwords in applicationHost.config

    - by Dylan Beattie
    I have some sites in IIS7 that are configured to run as domain users (MYDOMAIN\someuser). I'm using the Microsoft.Web.Administration namespace to scan my server configuration, but it's throwing an exception when I hit one of these "impersonator" sites: using (ServerManager sm = new ServerManager()) { foreach (Site site in sm.Sites) { foreach (Application app in site.Applications.Reverse()) { foreach (VirtualDirectory vdir in app.VirtualDirectories.Reverse()) { var config = app.GetWebConfiguration(); foreach (var locationPath in config.GetLocationPaths()) { // error occurs in GetLocationPaths() } } } } } The actual error message is: COMException was unhandled Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config Line number: 279 Error: Failed to decrypt attribute 'password' because the keyset does not exist It appears that IIS is storing the MYDOMAIN\someuser password encrypted in applicationHost.config, which is great in terms of security - but I have no idea how to get the ServerManager to decrypt this. Any tips on how I can either allow ServerManager to decrypt this, or just tell IIS to store the passwords in plain text? This is on IIS7 under Windows 7 RC, by the way.

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  • Close PrintPreviewDialog when ESC is pressed

    - by Emerick Rogul
    I'm working on a WinForms application that uses System.Windows.Forms.PrintPreviewDialog to display a Print Preview dialog. When the user presses ESC in that dialog, I'd like to close the dialog. Unfortunately, I can't figure out how to do this. I've tried to install a KeyDown/PreviewKeyDown event handler, but it never gets called. I also tried setting focus to the dialog (and to its PrintPreviewControl), thinking that was the issue, but that didn't help either. Does anyone have any idea how to make this work?

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  • How to change number of tabs in tabbar controller application ?

    - by hib
    Hi I am developing an iPhone tabbar application with 5 tabs . I want to show only two tabs at the launch time such as one is "locate me". When the user taps on the locate me tab another 3 tabs will be shown and can use the current location. I want to do some thing like "urban spoon" . I am using the interface builder for all the stuff. If any one have any idea , suggestion , links then provide me. Thanks .

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  • LicenseException for Xceed DataGrid for WPF

    - by ewall
    I have developed a simple DB-editing app using Xceed's excellent DataGrid for WPF (UX Edition version 3.7), which is now ready for deployment... except that when I run it on a machine other than the development one where it was built, I am getting the runtime exception for invalid licensing. I have included my license key in the App.xaml.cs exactly as specified in the Xceed docs, like so: public partial class App : System.Windows.Application { protected override void OnStartup(StartupEventArgs e) { Xceed.Wpf.DataGrid.Licenser.LicenseKey = "DGF37-xxxxx-xxxxx-xxxx"; base.OnStartup(e); } } The correct version of the DataGrid DLLs are being included in the setup and the application's program directory, and there are no other versions on the target machine. Debugging doesn't show me anything useful other than the LicenseException that is thrown when the code tries to use the DataGrid, with the message that reads "Xceed.Wpf.DataGrid.Licenser.LicenseKey property must be set to a valid license key in the code of your application before using this product..." Any idea what's going wrong here?

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  • django-rest-framework: api versioning

    - by w--
    so googling around it appears that the general consensus is that embedding version numbers in REST URIs is a bad practice and a bad idea. even on SO there are strong proponents supporting this. e.g. Best practices for API versioning? My question is about how to accomplish the proposed solution of using the accept header / content negotiation in the django-rest-framework to accomplish this. It looks like content negotiation in the framework, http://django-rest-framework.org/api-guide/content-negotiation.html is already configured to automatically return intended values based on accepted MIME types. If I start using the Accept header for custom types, I'll lose this benefit of the framework. Is there a better way to accomplish this in the framework?

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  • JQuery live event binding prevents additional callbacks

    - by Alex Ciminian
    Hey! I was building an AJAX listing of elements in my site, with the ability to delete them (also via AJAX). The following piece of code handles the deletion: $('ul.action-menu a.delete').live('click', function () { $.post($(this).attr('href'), function (data) { var recvData = eval( '(' + data + ')' ); if ((recvData.status == 1) && (recvData.delId)) { $('#alert-' + recvData.delId).fadeOut(); } else { alert(recvData.message); } }); return false; }); This works just fine. The problem is that, for elements that were not there when the page was loaded (i.e. that were added dynamically), the post callback does not get executed and it doesn't fade out after being deleted (the AJAX call is being made, it just doesn't execute the callback). Do you have any idea why this is happening? Thanks, Alex

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  • Unable to connect to Samba printer

    - by user127236
    I have a headless Ubuntu 12.04 server for files and printers. It shares files via Samba just fine. However, the HP PSC-750xi connected to the server via USB is not accessible from my Ubuntu 12.04 laptop. I can browse for it in the Printing control panel, but any attempt to authenticate my ID to the printer with my user credentials results in the error "This print share is not accessible". I have included the Samba smb.conf file below. Any help appreciated. Thanks... JGB # # Sample configuration file for the Samba suite for Debian GNU/Linux. # # # This is the main Samba configuration file. You should read the # smb.conf(5) manual page in order to understand the options listed # here. Samba has a huge number of configurable options most of which # are not shown in this example # # Some options that are often worth tuning have been included as # commented-out examples in this file. # - When such options are commented with ";", the proposed setting # differs from the default Samba behaviour # - When commented with "#", the proposed setting is the default # behaviour of Samba but the option is considered important # enough to be mentioned here # # NOTE: Whenever you modify this file you should run the command # "testparm" to check that you have not made any basic syntactic # errors. # A well-established practice is to name the original file # "smb.conf.master" and create the "real" config file with # testparm -s smb.conf.master >smb.conf # This minimizes the size of the really used smb.conf file # which, according to the Samba Team, impacts performance # However, use this with caution if your smb.conf file contains nested # "include" statements. See Debian bug #483187 for a case # where using a master file is not a good idea. # #======================= Global Settings ======================= [global] log file = /var/log/samba/log.%m passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . obey pam restrictions = yes map to guest = bad user encrypt passwords = true passwd program = /usr/bin/passwd %u passdb backend = tdbsam dns proxy = no writeable = yes server string = %h server (Samba, Ubuntu) unix password sync = yes workgroup = WORKGROUP syslog = 0 panic action = /usr/share/samba/panic-action %d usershare allow guests = yes max log size = 1000 pam password change = yes ## Browsing/Identification ### # Change this to the workgroup/NT-domain name your Samba server will part of # server string is the equivalent of the NT Description field # Windows Internet Name Serving Support Section: # WINS Support - Tells the NMBD component of Samba to enable its WINS Server # wins support = no # WINS Server - Tells the NMBD components of Samba to be a WINS Client # Note: Samba can be either a WINS Server, or a WINS Client, but NOT both ; wins server = w.x.y.z # This will prevent nmbd to search for NetBIOS names through DNS. # What naming service and in what order should we use to resolve host names # to IP addresses ; name resolve order = lmhosts host wins bcast #### Networking #### # The specific set of interfaces / networks to bind to # This can be either the interface name or an IP address/netmask; # interface names are normally preferred ; interfaces = 127.0.0.0/8 eth0 # Only bind to the named interfaces and/or networks; you must use the # 'interfaces' option above to use this. # It is recommended that you enable this feature if your Samba machine is # not protected by a firewall or is a firewall itself. However, this # option cannot handle dynamic or non-broadcast interfaces correctly. ; bind interfaces only = yes #### Debugging/Accounting #### # This tells Samba to use a separate log file for each machine # that connects # Cap the size of the individual log files (in KiB). # If you want Samba to only log through syslog then set the following # parameter to 'yes'. # syslog only = no # We want Samba to log a minimum amount of information to syslog. Everything # should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log # through syslog you should set the following parameter to something higher. # Do something sensible when Samba crashes: mail the admin a backtrace ####### Authentication ####### # "security = user" is always a good idea. This will require a Unix account # in this server for every user accessing the server. See # /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/ServerType.html # in the samba-doc package for details. # security = user # You may wish to use password encryption. See the section on # 'encrypt passwords' in the smb.conf(5) manpage before enabling. # If you are using encrypted passwords, Samba will need to know what # password database type you are using. # This boolean parameter controls whether Samba attempts to sync the Unix # password with the SMB password when the encrypted SMB password in the # passdb is changed. # For Unix password sync to work on a Debian GNU/Linux system, the following # parameters must be set (thanks to Ian Kahan <<[email protected]> for # sending the correct chat script for the passwd program in Debian Sarge). # This boolean controls whether PAM will be used for password changes # when requested by an SMB client instead of the program listed in # 'passwd program'. The default is 'no'. # This option controls how unsuccessful authentication attempts are mapped # to anonymous connections ########## Domains ########### # Is this machine able to authenticate users. Both PDC and BDC # must have this setting enabled. If you are the BDC you must # change the 'domain master' setting to no # ; domain logons = yes # # The following setting only takes effect if 'domain logons' is set # It specifies the location of the user's profile directory # from the client point of view) # The following required a [profiles] share to be setup on the # samba server (see below) ; logon path = \\%N\profiles\%U # Another common choice is storing the profile in the user's home directory # (this is Samba's default) # logon path = \\%N\%U\profile # The following setting only takes effect if 'domain logons' is set # It specifies the location of a user's home directory (from the client # point of view) ; logon drive = H: # logon home = \\%N\%U # The following setting only takes effect if 'domain logons' is set # It specifies the script to run during logon. The script must be stored # in the [netlogon] share # NOTE: Must be store in 'DOS' file format convention ; logon script = logon.cmd # This allows Unix users to be created on the domain controller via the SAMR # RPC pipe. The example command creates a user account with a disabled Unix # password; please adapt to your needs ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u # This allows machine accounts to be created on the domain controller via the # SAMR RPC pipe. # The following assumes a "machines" group exists on the system ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u # This allows Unix groups to be created on the domain controller via the SAMR # RPC pipe. ; add group script = /usr/sbin/addgroup --force-badname %g ########## Printing ########## # If you want to automatically load your printer list rather # than setting them up individually then you'll need this # load printers = yes # lpr(ng) printing. You may wish to override the location of the # printcap file ; printing = bsd ; printcap name = /etc/printcap # CUPS printing. See also the cupsaddsmb(8) manpage in the # cupsys-client package. ; printing = cups ; printcap name = cups ############ Misc ############ # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting ; include = /home/samba/etc/smb.conf.%m # Most people will find that this option gives better performance. # See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/speed.html # for details # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 # socket options = TCP_NODELAY # The following parameter is useful only if you have the linpopup package # installed. The samba maintainer and the linpopup maintainer are # working to ease installation and configuration of linpopup and samba. ; message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' & # Domain Master specifies Samba to be the Domain Master Browser. If this # machine will be configured as a BDC (a secondary logon server), you # must set this to 'no'; otherwise, the default behavior is recommended. # domain master = auto # Some defaults for winbind (make sure you're not using the ranges # for something else.) ; idmap uid = 10000-20000 ; idmap gid = 10000-20000 ; template shell = /bin/bash # The following was the default behaviour in sarge, # but samba upstream reverted the default because it might induce # performance issues in large organizations. # See Debian bug #368251 for some of the consequences of *not* # having this setting and smb.conf(5) for details. ; winbind enum groups = yes ; winbind enum users = yes # Setup usershare options to enable non-root users to share folders # with the net usershare command. # Maximum number of usershare. 0 (default) means that usershare is disabled. ; usershare max shares = 100 # Allow users who've been granted usershare privileges to create # public shares, not just authenticated ones #======================= Share Definitions ======================= # Un-comment the following (and tweak the other settings below to suit) # to enable the default home directory shares. This will share each # user's home director as \\server\username ;[homes] ; comment = Home Directories ; browseable = no # By default, the home directories are exported read-only. Change the # next parameter to 'no' if you want to be able to write to them. ; read only = yes # File creation mask is set to 0700 for security reasons. If you want to # create files with group=rw permissions, set next parameter to 0775. ; create mask = 0700 # Directory creation mask is set to 0700 for security reasons. If you want to # create dirs. with group=rw permissions, set next parameter to 0775. ; directory mask = 0700 # By default, \\server\username shares can be connected to by anyone # with access to the samba server. Un-comment the following parameter # to make sure that only "username" can connect to \\server\username # The following parameter makes sure that only "username" can connect # # This might need tweaking when using external authentication schemes ; valid users = %S # Un-comment the following and create the netlogon directory for Domain Logons # (you need to configure Samba to act as a domain controller too.) ;[netlogon] ; comment = Network Logon Service ; path = /home/samba/netlogon ; guest ok = yes ; read only = yes # Un-comment the following and create the profiles directory to store # users profiles (see the "logon path" option above) # (you need to configure Samba to act as a domain controller too.) # The path below should be writable by all users so that their # profile directory may be created the first time they log on ;[profiles] ; comment = Users profiles ; path = /home/samba/profiles ; guest ok = no ; browseable = no ; create mask = 0600 ; directory mask = 0700 [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = yes create mask = 0700 # Windows clients look for this share name as a source of downloadable # printer drivers [print$] comment = Printer Drivers browseable = yes writeable = no path = /var/lib/samba/printers # Uncomment to allow remote administration of Windows print drivers. # You may need to replace 'lpadmin' with the name of the group your # admin users are members of. # Please note that you also need to set appropriate Unix permissions # to the drivers directory for these users to have write rights in it ; write list = root, @lpadmin # A sample share for sharing your CD-ROM with others. ;[cdrom] ; comment = Samba server's CD-ROM ; read only = yes ; locking = no ; path = /cdrom ; guest ok = yes # The next two parameters show how to auto-mount a CD-ROM when the # cdrom share is accesed. For this to work /etc/fstab must contain # an entry like this: # # /dev/scd0 /cdrom iso9660 defaults,noauto,ro,user 0 0 # # The CD-ROM gets unmounted automatically after the connection to the # # If you don't want to use auto-mounting/unmounting make sure the CD # is mounted on /cdrom # ; preexec = /bin/mount /cdrom ; postexec = /bin/umount /cdrom [mediafiles] path = /media/multimedia/

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  • BAD_UID error while exporting key in CryptoAPI

    - by mindthief
    Hi all, I am writing a test application for Microsoft CryptoAPI. I want to export the secret key of one party using the public key of the second party, and then import that secret key as the second party's secret key (this sets up a shared secret key for communication). Here is my code: if(!CryptExportKey(encryptT->hSymKey, decryptT->hPubKey, SIMPLEBLOB, 0, keyExBuf, &bufLen)) { FormattedDebugPrint(NULL, GetLastError(), "could not export secret key", TRUE); return -1; } if(!CryptImportKey(decryptT->hCryptProv, keyExBuf, bufLen, decryptT->hPubKey, 0, &(decryptT->hSymKey))) { FormattedDebugPrint(NULL, GetLastError(), "could not import secret key", TRUE); return -1; } And this gives the error: 80090001: Bad UID. The public keypair is being generated for both encryptT and decryptT (sender, receiver) by calling: CryptGenKey(encryptT->hCryptProv, CALG_RSA_KEYX, CRYPT_EXPORTABLE, &(encryptT->hPubKey)) Any idea what could be causing the error? Thanks,

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  • Why do users have to enter a 7-digit twitter PIN to grant my application access?

    - by Tony
    I am implementing some ruby on rails code tweet stuff for my users. I am creating the proper oauth link...something like http://twitter.com/oauth/authorize?oauth_token=y2RkuftYAEkbEuIF7zKMuzWN30O2XxM8U9j0egtzKv But after my test account grants access to twitter, it pulls up a page saying "You've successfully granted access to . Simply return to and enter the following PIN to complete the process. 1234567" I have no idea where the user should enter this PIN and why they have to do that. I don't think this should be a necessary step. Twitter should be redirecting the user to the callback URL I provided in the application settings. Does anyone know why this is happening? UPDATE I found this article that states I need to send my users to this URL (note "authenticate" instead of "authorize"): http://twitter.com/oauth/authenticate?oauth_token=y2RkuftYAEkbEuIF7zKMuzWN30O2XxM8U9j0egtzKv I made the change but Twitter redirects the user to the authorize path after he clicks "Allow" which then gives him the 7 digit PIN again!

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  • calling WinForms contextmenustrip programmatically

    - by jello
    I programmatically create a Picture Box in c# windows program. I assign it with a value for the Tag property. I would like to print out that tag number programmatically, just for test purposes. so I try this: private void Form1_Load(object sender, EventArgs e) { pic.ContextMenuStrip = contextMenuStrip1; pic.ContextMenuStrip.Click += new EventHandler(this.MyPicHandler); } void MyPicHandler(object sender, EventArgs e) { PictureBox pic = sender as PictureBox; MessageBox.Show(pic.Tag.ToString()); } But when I right-click on the picture, and click on the menu item, it gives me an exception. "A NullReferenceException was unhandled" "Object reference not set to an instance of an object.". anyone's got an idea what's going on?

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  • New preg-repleace for youtube

    - by marc
    Welcome, I notice that Youtube make some changes into their website code. Anyone have idea how make it working today ? That's my script (don't work anymore) preg_match('/"video_id": "(.*?)"/', $page, $match); $var_id = $match[1]; preg_match('/"t": "(.*?)"/', $page, $match); $var_t = $match[1]; Look at source of example Youtube video page: http://www.youtube.com/watch?v=w_J27GxPNM0 (yes i like that song very much) Now the t variable can be found under <script> (function() { var isIE = /*@cc_on!@*/false; I dont paste full because it's very long. Regards

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  • Reference custom list form fields from code behind and automatically fill them with values.

    - by Janis Veinbergs
    Hello. I`v made my custom NewForm.aspx for my list and I want to add some custom code to it. So I inherit that form from my own class: public class MyCustomNewForm : Microsoft.SharePoint.WebPartPages.WebPartPage Now I want to reference some of available fields to automatically fill them for user. (Javascript won't help here as I have to get some data from other lists). But I have no idea how do I reference these fields from codebehind files. The code for control field is written (well, it was generated by Sharepoint Designer when using command Insert SharePoint Controls Custom List Form...) in .aspx page like this: <SharePoint:FormField runat="server" id="ff1{$Pos}" ControlMode="New" FieldName="Title" __designer:bind="{ddwrt:DataBind('i',concat('ff1',$Pos),'Value','ValueChanged','ID',ddwrt:EscapeDelims(string(@ID)),'@Title')}"/> When looking at id at runtime, it is insanely long So how do i reference fields, so I could set Text property on them in my codebehind file?

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  • Ant trouble with environment variables on Ubuntu

    - by Inaimathi
    Having some trouble with with ant reading environment variables in Ubuntu 9.10. Specifically, the build tasks my company uses has a token like ${env.CATALINA_HOME] in the main build.xml. I set CATALINA_HOME to the correct value in /etc/environment, ~/.pam_environment and (just to be safe) my .bashrc. I can see the correct value when I run printenv from bash, or when I eval (getenv "CATALINA_HOME") in emacs. Ant refuses to build to the correct directory though; instead I get a folder named ${env.CATALINA_HOME} in the same directory as my build.xml. Any idea what's happening there, and/or how to fix it?

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  • Passenger Bundler::PathError

    - by firecall
    So I'm going around in circles with this - I'm using a fork of the Paperclip Rails gem to get it to work with Rails3. Works fine on my OSX box with Passenger. But on my server (CentOS 5) I get this this error: git://github.com/lmumar/paperclip.git (at rails3) is not checked out. Please runbundle install(Bundler::PathError)Blockquote I tried Bundle Pack, but that doesnt pack gems from github. I read a post about setting the parh to the BUNDLE_HOME in my application.rb file which I tried: ENV['BUNDLER_HOME']="~/.bundle/ruby/1.8/bundler/gems/" But that doesnt work. Any ideas anyone? I dont know what else to do and have no idea how to debug or trace the problem further :( Passenger version 2.2.11. thanks.

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  • How to solve/hack fading semi-transparent PNG bug in IE8?

    - by Soul_Master
    As you know, IE6 has bug that can't display semi-transparent PNG file without using non-standard style like filter. In IE7, this problem is fixed. But It still has some bug about PNG file. It can't correctly display fading semi-transparent PNG file. You can clearly see it when you use show/hide function in jQuery with semi-transparent PNG file. The background of image is displayed with non-transparent black color. Do you have any idea for solve this question by using jQuery. Update Let's see my testing As you see, IE8 always incorrectly displays PNG-24 image. Moreover, IE8 still correctly display PNG-8 image when I fade(jQuery.fadeOut function) it only. But It incorrectly display PNG-8 image when I fade & resize(jQuery.hide function) at the same time. PS. You can download my testing source code from here. Thanks,

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  • rpm installation error

    - by JiminyCricket
    im trying to install an RPM compat-db-4.1.25-9 on oracle linux enterprise, since its required to install WebCenter...however the rpm installation is throwing a warning and then not working [root@devsebl downloads]# rpm -i compat-db-4.1.25-9.rpm warning: compat-db-4.1.25-9.rpm: Header V3 DSA signature: NOKEY, key ID 9b3c94f4 [root@devsebl downloads]# rpm -q compat-db-4.1.25-9.rpm package compat-db-4.1.25-9.rpm is not installed any idea what that warning means and why its crashing there? i tried to use Yum, but its not available i guess: [root@devsebl downloads]# yum search compat-db Loaded plugins: security Warning: No matches found for: compat-db No Matches found

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  • Very simple Error handling with NServiceBus

    - by andy
    hey guys, here's a simple scenario NServiceBus Client/Server setup. The "Message" is a custom Class I wrote. The Client sends a request message. The Server receives the message, and the server does this: Bus.Reply(new UserDataResponseMessage { ID = Guid.NewGuid(), Response = users }); Then nothing. The Client never receives a response. Exception: By trawling through the log4net NServiceBus logs I find an exception, and it turns out that my customs class "users" is not marked as Serializable. Ok, how does one got about "throwing" or "handling" that kind of error? NServiceBus seems to promote the idea of not handling errors, but in this scenario its obvious to see some kind of "throw" would have saved a lot of time. How do I handle such exceptions, where do they occur, where do they go?

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  • IPC using SendMessage but receiver have random window caption

    - by iira
    I found "Delphi Inter Process Communication (IPC) using SendMessage" with Google. Here's a piece of the code from Sender to send a message for Receiver : procedure TfrmClient.FormCreate(Sender: TObject); begin MyMsg := RegisterWindowMessage('MyMessage'); ServerApplicationHandle := FindWindow('TApplication', 'Project1'); end; The problem is my receiver have random caption name. So how can I send a message to receiver? Any idea? My Sender is a DLL and my receiver is Exe.

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