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• ActiveDirectoryMembershipProvider and ADAM (or AD LDS) and SetPassword

  - by Iulian

  By the subject line it seems to be a rather broad subject and I need some help here. Basically what I want is to use ActiveDirectoryMembershipProvider with an ADAM instance to authenticate users in an ASP.NET web application. My development environment is a windows 7 machine with an AD LDS instance on it whilst the QA server is a Windows 2003 server with an ADAM instance on it. I have all the required users on both instances plus one with adminsitrator role (CN=Admin,CN=xxx,DC=xxx,C=xx) which I want to use as the connection user. Using connectonProtecton="None" connectionUsername="CN=Admin,CN=xxx,DC=xxx,C=xx" connectionPassword="xxx" I am able to authenticate on both environments (dev & qa). If I change to the connectionProtection to "Secure" I am not able to authenticate anymore; the error I get is "Parser Error Message: Unable to establish secure connection with the server" To me it sounds wrong to use connectionProtection="None" although I found on the net a lot of samples using this setting. Can I use connectionProtection="Secure" to connect to an ADAM instance using an account defined on that instance having Administrator role? What other choices do I have (like using an domain account)? What if my machine where I am to deploy the application is not a part of the domain, will this affect in any way the behavior? I am novice in the respect so I would really appreciate some clear answers or some directions as where to look? Now beside the "signing in" feature of the ActiveDirectoryMembershipProvider I also want to add an extra one, which is setting the password without knowing the old one (something that will be used by a "reset password" feature). So I added a couple of extension methods to the provider, and used System.DirectoryServices classes like DirectoryEntry and the like. When creating a directory entry I use the same credentials provided in web.config for the provider minus the AuthenticationType as I don't know what is right combination of the flags that corresponds to None/Secure. I am able to use Invoke "SetPassword" with ADS_OPTION_PASSWORD_METHOD option as ADS_PASSWORD_ENCODE_CLEAR on my dev machine (w/ AD LDS instance); nevertheless on qa environment (w/ ADAM instance) I am getting an error like "Exception Details: System.DirectoryServices.DirectoryServicesCOMException: An operations error occurred. (Exception from HRESULT: 0x80072020)" I am quite sure it is not about AD LDS vs ADAM but probably another configuration / permission issue. So can anyone help me with some hints on how to use this SetPassword feature? And as a general question what are the best practices when it comes to using ADAM regarding security, programming etc? Thanks in advance Iulian

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• FaultException<T>() exception thrown by the service is not caught by the client catch(FaultException

  - by Ashish Gupta

  Ok, I know I am missing something here. I have the following operation contract: public double DivideByZero(int x, int y) { if (y == 0) { throw new FaultException<ArgumentException> (new ArgumentException("Just some dummy exception") ,new FaultReason("some very bogus reason"), new FaultCode("007")); } return x / y; } And following is taken from the client:- Console.WriteLine("Enter the x value"); string x = Console.ReadLine(); Console.WriteLine("Enter the Y value"); string y = Console.ReadLine(); try { double val = client.DivideByZero(Convert.ToInt32(x), Convert.ToInt32(y)); Console.WriteLine("The result is " + val.ToString()); } catch(FaultException<ArgumentException> exp) { Console.WriteLine("An ArgumentException was thrown by the service "+ exp.ToString()); } catch (Exception exp) { Console.WriteLine(exp.ToString()); } In the above case catch(FaultException exp) (the first catch block with ArgumentException in the client code) block does not get executed. However, when I remove ArgumentException to have catch(FaultException exp), the same catch block gets executed. I am not sure about this as I am throwing FaultException from my operation contract. Am I missing anything here. Appreciate your help, Ashish

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• WiX unresolved reference error

  - by David

  I'm using Wix version 3.0.5419.0. I have two .wxs files, one which is a fragment, and another which uses the fragment to create the .msi file. Here is the file which uses the fragment (DaisyFarmer.wxs): <?xml version='1.0' encoding='windows-1252'?> <Wix xmlns='http://schemas.microsoft.com/wix/2006/wi' xmlns:iis='http://schemas.microsoft.com/wix/IIsExtension'> <Product Name='Daisy Web Site 1.0' Id='BB7FBBE4-0A25-4cc7-A39C-AC916B665220' UpgradeCode='8A5311DE-A125-418f-B0E1-5A30B9C667BD' Language='1033' Codepage='1252' Version='1.0.0' Manufacturer='the man'> <Package Id='5F341544-4F95-4e01-A2F8-EF74448C0D6D' Keywords='Installer' Description="desc" Manufacturer='the man' InstallerVersion='100' Languages='1033' Compressed='yes' SummaryCodepage='1252' /> <Media Id='1' Cabinet='Sample.cab' EmbedCab='yes' DiskPrompt="CD-ROM #1" /> <Property Id='DiskPrompt' Value="the man" /> <PropertyRef Id="NETFRAMEWORK35"/> <Condition Message='This setup requires the .NET Framework 3.5.'> <![CDATA[Installed OR (NETFRAMEWORK35)]]> </Condition> <Feature Id='DaisyFarmer' Title='DaisyFarmer' Level='1'> <ComponentRef Id='SchedulerComponent' /> </Feature> </Product> </Wix> The fragment I'm referencing is (Scheduler.wxs): <?xml version="1.0" encoding="utf-8"?> <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"> <Fragment> <DirectoryRef Id="TARGETDIR"> <Directory Id="dir2787390E4B7313EB8005DE08108EFEA4" Name="scheduler"> <Component Id="SchedulerComponent" Guid="{9254F7E1-DE41-4EE5-BC0F-BA668AF051CB}"> <File Id="fil9A013D0BFB837BAC71FED09C59C5501B" KeyPath="yes" Source="SourceDir\DTBookMonitor.exe" /> <File Id="fil4F0D8D05F53E6AFBDB498E7C75C2D98F" KeyPath="no" Source="SourceDir\DTBookMonitor.exe.config" /> <File Id="filF02F4686267D027CB416E044E8C8C2FA" KeyPath="no" Source="SourceDir\monitor.bat" /> <File Id="fil05B8FF38A3C85FE6C4A58CD6FDFCD2FB" KeyPath="no" Source="SourceDir\output.txt" /> <File Id="fil397F04E2527DCFDF7E8AC1DD92E48264" KeyPath="no" Source="SourceDir\pipelineOutput.txt" /> <File Id="fil83DFACFE7F661A9FF89AA17428474929" KeyPath="no" Source="SourceDir\process.bat" /> <File Id="fil2809039236E0072642C52C6A52AD6F2F" KeyPath="no" Source="SourceDir\README.txt" /> </Component> </Directory> </DirectoryRef> </Fragment> </Wix> I then run the following commands: candle -ext WixUtilExtension -ext WiXNetFxExtension DaisyFarmer.wxs Scheduler.wxs light -sice:ICE20 -ext WixUtilExtension -ext WiXNetFxExtension Scheduler.wixobj DaisyFarmer.wixobj -out DaisyFarmer.msi I'm getting an error when I run light.exe which says "DaisyFarmer.wxs(20) : error LGHT0094 : Unresolved reference to symbol 'Component:SchedulerComponent' in section 'Product:{BB7FBBE4-0A25-4CC7-A39C-AC916B665220}'." What am I missing?

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• migrating simple rails database to mysql

  - by joseph-misiti

  i am interested in creating a rails app with a mysql database. i am new to rails and am just trying to start creating something simple: rails -d mysql MyMoviesSQL cd MyMoviesSQL script/generate scaffold Movies title:string rating:integer rake db:migrate i am seeing the following error: rake aborted! NoMethodError: undefined method `ord' for 0:Fixnum: SET NAMES 'utf8' if i do a trace: ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:migrate rake aborted! NoMethodError: undefined method ord' for 0:Fixnum: SET NAMES 'utf8' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract_adapter.rb:219:inlog' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:323:in execute' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:599:inconfigure_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:594:in connect' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:203:ininitialize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:75:in new' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:75:inmysql_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in send' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:innew_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in checkout_new_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:incheckout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in loop' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:incheckout' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in synchronize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:incheckout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:inretrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in retrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:inconnection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:435:in initialize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:400:innew' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:400:in up' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.5/lib/active_record/migration.rb:383:inmigrate' /Library/Ruby/Gems/1.8/gems/rails-2.3.5/lib/tasks/databases.rake:116 /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in call' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:inexecute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:inexecute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in invoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:insynchronize' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in invoke_with_call_chain' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:ininvoke' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in invoke_task' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:intop_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:instandard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:inload' /usr/bin/rake:19 here are my versions: rails - 2.3.5 ruby - 1.8.6 gem list * LOCAL GEMS * actionmailer (2.3.5, 1.3.6) actionpack (2.3.5, 1.13.6) actionwebservice (1.2.6) activerecord (2.3.5, 1.15.6) activeresource (2.3.5) activesupport (2.3.5, 1.4.4) acts_as_ferret (0.4.1) capistrano (2.0.0) cgi_multipart_eof_fix (2.5.0) daemons (1.0.9) dbi (0.4.3) deprecated (2.0.1) dnssd (0.6.0) fastthread (1.0.1) fcgi (0.8.7) ferret (0.11.4) gem_plugin (0.2.3) highline (1.2.9) hpricot (0.6) libxml-ruby (0.9.5, 0.3.8.4) mongrel (1.1.4) needle (1.3.0) net-sftp (1.1.0) net-ssh (1.1.2) rack (1.0.1) rails (2.3.5) rake (0.8.7, 0.7.3) RedCloth (3.0.4) ruby-openid (1.1.4) ruby-yadis (0.3.4) rubygems-update (1.3.6) rubynode (0.1.3) sqlite3-ruby (1.2.1) termios (0.9.4) also, if i need to add a patch to FixNum, can someone please tell which file to add the patch to. thanks for your help

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• Class Issue (The type XXX is already defined )

  - by Android Stack

  I have listview app exploring cities each row point to diffrent city , in each city activity include button when clicked open new activity which is infinite gallery contains pics of that city , i add infinite gallery to first city and work fine , when i want to add it to the second city , it gave me red mark error in the class as follow : 1- The type InfiniteGalleryAdapter is already defined. 2-The type InfiniteGallery is already defined. i tried to change class name with the same result ,i delete R.jave and eclipse rebuild it with same result also i uncheck the java builder from project properties ,get same red mark error. please any help and advice will be appreciated thanks My Code : public class SecondCity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); // Set the layout to use setContentView(R.layout.main); if (customTitleSupported) { getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,R.layout.custom_title); TextView tv = (TextView) findViewById(R.id.tv); Typeface face=Typeface.createFromAsset(getAssets(),"BFantezy.ttf"); tv.setTypeface(face); tv.setText("MY PICTURES"); } InfiniteGallery galleryOne = (InfiniteGallery) findViewById(R.id.galleryOne); galleryOne.setAdapter(new InfiniteGalleryAdapter(this)); } } class InfiniteGalleryAdapter extends BaseAdapter { **//red mark here (InfiniteGalleryAdapter)** private Context mContext; public InfiniteGalleryAdapter(Context c, int[] imageIds) { this.mContext = c; } public int getCount() { return Integer.MAX_VALUE; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } private LayoutInflater inflater=null; public InfiniteGalleryAdapter(Context a) { this.mContext = a; inflater = (LayoutInflater)mContext.getSystemService ( Context.LAYOUT_INFLATER_SERVICE); } public class ViewHolder{ public TextView text; public ImageView image; } private int[] images = { R.drawable.pic_1, R.drawable.pic_2, R.drawable.pic_3, R.drawable.pic_4, R.drawable.pic_5 }; private String[] name = { "This is first picture (1) " , "This is second picture (2)", "This is third picture (3)", "This is fourth picture (4)", " This is fifth picture (5)", }; public View getView(int position, View convertView, ViewGroup parent) { ImageView i = getImageView(); int itemPos = (position % images.length); try { i.setImageResource(images[itemPos]); ((BitmapDrawable) i.getDrawable()). setAntiAlias (true); } catch (OutOfMemoryError e) { Log.e("InfiniteGalleryAdapter", "Out of memory creating imageview. Using empty view.", e); } View vi=convertView; ViewHolder holder; if(convertView==null){ vi = inflater.inflate(R.layout.gallery_items, null); holder=new ViewHolder(); holder.text=(TextView)vi.findViewById(R.id.textView1); holder.image=(ImageView)vi.findViewById(R.id.image); vi.setTag(holder); } else holder=(ViewHolder)vi.getTag(); holder.text.setText(name[itemPos]); final int stub_id=images[itemPos]; holder.image.setImageResource(stub_id); return vi; } private ImageView getImageView() { ImageView i = new ImageView(mContext); return i; } } class InfiniteGallery extends Gallery { **//red mark here (InfiniteGallery)** public InfiniteGallery(Context context) { super(context); init(); } public InfiniteGallery(Context context, AttributeSet attrs) { super(context, attrs); init(); } public InfiniteGallery(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); init(); } private void init(){ // These are just to make it look pretty setSpacing(25); setHorizontalFadingEdgeEnabled(false); } public void setResourceImages(int[] name){ setAdapter(new InfiniteGalleryAdapter(getContext(), name)); setSelection((getCount() / 2)); } }

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• Sharepoint Lists.GetListItems Method rowLimit problem

  - by Linda

  In SharePoint I am using the default view of a list. When I use GetListItems method I can pass into it the following: public XmlNode GetListItems ( string listName, string viewName, XmlNode query, XmlNode viewFields, string rowLimit, XmlNode queryOptions, string webID ) I am passing in "" for the viewName and am passing a rowLimit of 1000. By Default view only returns 100 items. 100 Items are still being returned not 1000. Can you use the rowLimit when not specifying a view? Is it possible to bring back 1000 items using the query instead? I do not really want to use a GUID for the viewName as I would have to look it up for each list and perform a big refactor. Update I am now using the guid of the view and my list still returns the incorrect number of items. I know the guid is being used as I sued an incorrect one and it errord out. Any ideas what could be wrong? The code that is being sent to the service is as follows: <GetListItems xmlns='http://schemas.microsoft.com/sharepoint/soap/'> <listName>Media Outlet</listName> <viewName>{2822F0D9-A905-44B5-8913-34E6497F1AAF}</viewName> <query><Query><Where><Eq><FieldRef Name='Outlet_x0020_Type' /><Value Type='Lookup'></Value></Eq></Where><OrderBy><FieldRef Name='Title' /></OrderBy></Query></query> <ViewFields></ViewFields> <RowLimit>10000</RowLimit> <QueryOptions></QueryOptions> <webID></webID> </GetListItems>

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• HTTP Live Streaming, FFMPEG & FFSERVER, and iPhone OS 3

  - by jcnnghm

  In iPhone OS 3, Apple has introduced HTTP Live Streaming which should allow live streaming of video from the internet. I am currently operating a webcam, which feeds into my server, and is then converted into a flv stream by ffmpeg, and streamed back out using ffserver. Does anyone know how to setup a video stream the iPhone can use using ffmpeg and ffserver? I should be able to re-encode into just about any format on the fly.

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• AndroMDA maven code generation and JPA Annotations

  - by ArsenioM

  I am using the AndroMDA plugin for maven to generate code from an uml diagram made in MagicDraw. When the code is generated, AndroMDA desings the JPA annotation for the persitence layer. I think that at the compilation process AndroMDA uses Naming Strategies to determine the Table and Column names for the DataBase. I want to determine how AndroMDA desings this JPA annotations, because I need to display this DataBase names based on the UML entity and atributtes names. I was regarding if there is an API of AndroMDA that I could use to do this by giving it the uml diagram. Or at least, to know the Naming Strategies used by AndroMDA to achive that. AndroMDA at the compilation process design the JPA annotations for the Entities, Attributes, etc that are written in my java classes under a series of rules that exist within the EJB3 cartridge of AndroMDA. (The further Database is created using those JPA annotations). I want to create a program that returns me the same Table and Attributes names wrote on the JPA annotations, by giving it the .xml file of the uml diagram of a project. I was hoping that I could take advantage of the EJB3 cartridge to generate those Tables and Attribute names with my program. One way could be using an API of AndroMDA that do this(if it exits), or at least, by implementing the same rules used by the EJB3 cartridge for that matter. To be more illustrative, For example: If in my uml model I have an Entity called “CompanyGroup”, AndroMDA would generate the following code for the class definition: @javax.persistence.Entity @javax.persistence.Table(name = "COMPANY_GR") Public class CompanyGroup implements java.io.Serializable, Comparable< CompanyGroup This is just an example (not a real case), but nevertheless, the way how AndroMDA do the translation from “CompanyGroup” to “COMPANY_GR” has to be specified somewhere. Hope this explanation is useful enough. Thanks.

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• Using SSIS Web Service Task with WCF

  - by Omri

  Hello, I am using SQL Server 2008 SSIS for importing data to the DB and .Net 3.5 SP1 for Creating the WCF service. In the import task I am trying to use the Web Service Task to report to a WCF service. At first I encountered a problem with the WCF WSDL, the Web Service task couldn't get their code generated from the metadata exposed by the WCF service. So I found a blog post at Christian Weyer's Blog talking just about that. Now after I can successfully load a WCF service to the Web Service Task and get the functions generated just fine from the WSDL I encountered another problem. I get an error from the SSIS package at runtime saying that "Method 'ProxyNamespace.MyService.GetData' not found." The full Error is: Error: 0xC002F304 at Web Service Task False, Web Service Task: An error occurred with the following error message: "Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebserviceTaskException: Could not execute the Web method. The error is: Method 'ProxyNamespace.MyService.GetData' not found.. at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebMethodInvokerProxy.InvokeMethod(DTSWebMethodInfo methodInfo, String serviceName, Object connection) at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebServiceTaskUtil.Invoke(DTSWebMethodInfo methodInfo, String serviceName, Object connection, VariableDispenser taskVariableDispenser) at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebServiceTask.executeThread()". I know that the simple solution is going back to regular Web Service, but I really don't want to go there. Thanks, Omri.

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• Three20 TTLauncherView Tutorial?

  - by Graeme

  Hi, I'm attempting to use TTLauncherView from the Facebook Three20 project in my app, but I'm not having much luck (I'm a bit of a newbie at this). Does anyone have any good tutorials at using it that I could read? FYI basically I need to pull images that a user chooses from the iPhone camera album, and display them as icons that when pressed lead to another view. Thanks.

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• Drawing custom graphics on the iPhone: CALayer vs. CGContext

  - by Henry Cooke

  Hi all, I have an application in which I'm doing some custom drawing, a bunch of lines on a gradient background, like so (ignore the text, they're just UILabels): At the moment, that's all done by starting a new CGContext, drawing stuff into it with CGContextDrawLinearGradient and CGContextStrokePath, then finally saving the resulting image with UIGraphicsGetImageFromCurrentImageContext. The positioning info is calculated while I'm laying out those labels, so it'd be a PITA (and duplication of effort) to calculate it all over again when the containing UIView is drawn with drawRect, so I'm drawing it ahead of time into a UIImage. All works fine, so far so good. However, I have a sneaking suspicion that it may be more efficient to use CALayers to do this drawing. My (cursory) understanding of the difference between the two approaches is that a CALayer is more like a bunch of instructions to draw stuff, and so takes up less memory until it's actually drawn onscreen, whereas drawing everything into a UIImage ahead of time means that you've got a sodding great bitmap kicking around in memory all the time, whether it's drawn or not. Is that a correct understanding? What is generally considered to be the best way of drawing custom images on the iPhone?

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• Using VTD-XML to modify element text only

  - by Algorist

  Hi, I want to achieve below thing in vtd-xml xml modifier class. Original xml <xml> <element attr1='1' attr2='2' attr3='3'>text</element> </xml> int p = vn.getText() xm.updateToken(p, "new text"); But the code here is not modifying the text to new text. Any idea how to achieve this? Other option is to call xm.remove() and then add tag. But, I am not able to retain the attributes. Thank you Bala

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• ASP.NET MVC DropDownList SelectedValue works on Edit action, but not Create action

  - by davekaro

  I have the following code in my controller (for Edit and Create): model.Templates = new SelectList(PageManagementService.PageTemplateFetchList(), "PageId", "Title", 213); the "213" is an Id for one of the pages - just using it for testing. And this is in my view (for Edit and Create): <%= this.Html.DropDownListFor(model => model.Page.TemplateId, this.Model.Templates)%> <%= this.Model.Templates.SelectedValue %> When I go to the Create form, I see the dropdown list, but the tag with value="213" is not selected. I even output the SelectedValue to make sure it's 213 - and I see 213. When I go to the Edit form, I see the dropdown list, and the tag with value="213" is selected. On the Create form, none of the tags have a "selected" attribute. On the Edit form, the tag with value="213" has the "selected" attribute. Am I missing something? What could be causing this? Anyone see this behavior before?

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• solid delta and inverted delta symbol in html

  - by imdad

  I need to display the following two symbols in an email solid upward delta : something like ? solid downward delta : ? But i cannot use extended-ascii set, because it causes problems in the unix system where my email templates are generated. Is there any html code, or any other code to accomplish this?

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• How far did DevExpress get with Javascript refactoring?

  - by MattX

  Over a year ago, I remember watching one of DevExpress evangelists previewing or at least promoting rich Javascript refactoring (beyond just limited intellisense) within the Visual Studio shell, I recall part of CodeRush/DevExpress product line. I was excited. On checking today (lmgtfy) I can find only very very limited reference to it, just one small italtic line about beta in product description, no videos, no blog posts, no community buzz. Was it dropped? Vapourware? Poor implementation that they dont even promote it? With Javascript arguably the most popular programming language ever and with a VM for it on practically every machine in last 10 years, why is editor support so poor? (Compared with those for Java and C#)? You see the likes of ScottGu bragging we now have jQuery intellisense but compare this to richness of C# support in the IDE it is a joke. Someone once said since there are many style of writing Javascript a rich IDE (beyond intellisense) with refactoring support is difficult, but if several engines can interpret/compile JS with same result surely it should be hard to analysis it to support stuff like rename variable, extract method, move to another namespace (or JS minic of it), etc.. Am I wrong?

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• Autorotate works for iOS 6 but gives weird behavior in iOS 5

  - by Jeanne

  I seem to be having the opposite problem from this post: Autorotate in iOS 6 has strange behaviour When I submitted my paid app to Apple, XCode made me update to iOS 6 on my test devices. I used the GUI in XCode to set my app to display only in portrait mode on the iPhone and only in landscape mode on the iPad. This works great on my iOS 6 iPhone and iPad. In iOS 5, however, the iPad is allowing the app to rotate to portrait, displaying my buttons in a letterbox-like black area that shouldn't be there, and crashing repeatedly. I am using a Navigation Controller and storyboards. I know shouldAutorotateToInterfaceOrientation is deprecated in iOS 6, but figuring it should still be called in iOS 5, I tried this: - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { if ((UIDeviceOrientationIsLandscape(UIDeviceOrientationLandscapeLeft))||(UIDeviceOrientationIsLandscape(UIDeviceOrientationLandscapeRight))) { return YES; } else return NO; } else { if ((UIDeviceOrientationIsLandscape(UIDeviceOrientationPortrait))||(UIDeviceOrientationIsLandscape(UIDeviceOrientationPortraitUpsideDown))) { return YES; } else return NO; } // Return YES for supported orientations } The above code seems to have done nothing. I am putting it in each of my view controllers; it seems I should really be putting it in my navigation controller, but because I set that up graphically, I'm not sure how to do that. Do I have to subclass my navigation controller and do everything in code? There must be a way to use the storyboard settings for this! (Note: I am not using AutoLayout and apparently can't because of some older components I am including my software that just plain don't like it.) What might be causing this? I'd like to fix it before too many people buy the app and complain! Thanks in advance...

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• jQuery to add vertical scroll bar for a fixed height div container

  - by Michael Mao

  Hi all: This is uni homework so sorry about :my password protected url Please enter usersame as "uts" and password as "10479475", without the wrapper quotes. It it almost completed, please follow simple steps to see where my problem dwells: step1: click on any continent highlighted on world map; step2: click on any city marked on continent map; step3: enter quantity ranging from 1 to 6 into the upper-right table; step4 : there you go, in the table below, once row is equal or greater than 3, then the size of table starts to "overlap" on top of the footer section and continues to grow, which is not what I want. I want to achieve the effect that the table size has a limited max-height, so once actual height exceeds the threshold, then I can have a vertical scroll bar so to "stack up" my table and not to break the overall structure. It turns out that my lazy initial design now gets myself stuck in a problem... Any suggestion and hint on how to get this?

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• How to generate simple Packing List with MySQL ?

  - by Stephen

  Hi, I need help on how to create a packing list of a shipment with MySQL. Let's say i have 32 boxes of keyboard ready to ship, the master carton can contain 12 boxes. I only have value 32 boxes and volume of 12. The other value in result below is generated by sql command. Not coming from record. So this easily calculate that the number of master carton would be 3 master cartons, with one as a non-standard quantity. How to perform query on this ? As i would like to be this result: +----------+---------------+-------------------+--------+------------+---------+ | Quantity | Standard_Qty | Non_Standard_Qty | Box_N | Box_Total | RowType | +----------+---------------+-------------------+--------+------------+---------+ | 12 | 1 | 0 | 1 | 3 | Detail | | 12 | 1 | 0 | 2 | 3 | Detail | | 8 | 0 | 1 | 3 | 3 | Detail | | 32 | 2 | 1 | | | Summary | +----------+---------------+-------------------+--------+------------+---------+ It looks like two query i know and probably the use of FLOOR command, in which i was teach in here. How to make this result? Thanks in advance. Stephen

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• C# StreamReader.ReadLine() - Need to pick up line terminators

  - by Tony Trozzo

  I wrote a C# program to read an Excel .xls/.xlsx file and output to CSV and Unicode text. I wrote a separate program to remove blank records. This is accomplished by reading each line with StreamReader.ReadLine(), and then going character by character through the string and not writing the line to output if it contains all commas (for the CSV) or all tabs (for the Unicode text). The problem occurs when the Excel file contains embedded newlines (\x0A) inside the cells. I changed my XLS to CSV converter to find these new lines (since it goes cell by cell) and write them as \x0A, and normal lines just use StreamWriter.WriteLine(). The problem occurs in the separate program to remove blank records. When I read in with StreamReader.ReadLine(), by definition it only returns the string with the line, not the terminator. Since the embedded newlines show up as two separate lines, I can't tell which is a full record and which is an embedded newline for when I write them to the final file. I'm not even sure I can read in the \x0A because everything on the input registers as '\n'. I could go character by character, but this destroys my logic to remove blank lines. Any ideas would be greatly appreciated.

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• In my WCF service with IXmlSerializable class, I get ArrayOfXElement[] instead of ObservableCollecti

  - by Scott

  I have an existing class (I didn't write) that implements IXmlSerializable. I decided to create a WCF service so my Silverlight application could access this class. I return the class as List. In the generated proxy, instead of an ObservableCollection like I'm expecting, I get ArrayOfXElement[]. If I remove the IXmlSerializable attribute, I get an the ObservableCollection. I don't quite understand what is happening, but I just want my SL app to receive an ObservableCollection. Is my only choice to create a DTO class and send back a list of those? Any advice?

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• How can I beta test web Perl modules under Apache/mod_perl on production web server?

  - by DVK

  We have a setup where most code, before being promoted to full production, is deployed in BETA mode - meaning, it runs in full production environment (using production database - usually production data; and production web server). We call that stage BETA testing. One of the main requirements is that BETA code promotion to production must be a simple "cp" command from beta to production directory - no code/filename changes. For non-web Perl code, achieving seamless BETA test is quite doable (see details here): Perl programs live in a standard location under production root (/usr/code/scripts) with production perl modules living under the same root (/usr/code/lib/perl) The BETA code has 100% same code paths except under beta root (/usr/code/beta/) A special module manipulates @INC of any script based on whether the script was called from /usr/code/scripts or /usr/code/test/scripts, to include beta libraries for beta scripts. This setup works fine up till we need to beta test our web Perl code (the setup is EmbPerl and Apache/mod_perl). The hang-up is as follows: if both a production Perl module and BETA Perl module have the same name (e.g. /usr/code/lib/perl/MyLib1.pm and /usr/code/beta/lib/perl/MyLib1.pm), then mod_perl will only be able to load ONE of these modules into memory - and there's no way we are aware of for a particular web page to affect which version of the module is currently loaded due to concurrency issues. Leaving aside the obvious non-programming solution (get a bloody BETA web server) which for political/organizational reasons is not feasible, is there any way we can somehow hack around this problem in either Perl or mod_perl? I played around with various approaches to unloading Perl modules that %INC has listed, but the problem remains that another user might load a beta page at just the right (or rather wrong) moment and have the beta module loaded which will be used for my production page.

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• property inject in Autofac

  - by Benny

  I am compiling: PropertyInject wiki page why this line: builder.RegisterType().InjectProperties(); doesn't compile? how to do property inject in autofac? I am using vs2010, autofac 2.1.13.813. thanks. EDIT: PropertyInjection should be like this in new version of AutoFac: builder.RegisterType().PropertiesAutowired(false);

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• Connection Timeout and Connection Lifetime

  - by Mark

  What is the advantage and disadvantage of connection timeout=0? And what is the use of Connection Lifetime=0? e.g (Database=TestDB;port=3306;Uid=usernameID;Pwd=myPassword;Server=192.168.10.1;Pooling=false;Connection Lifetime=0;Connection Timeout=0) and what is the use of Connection Pooling?

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• WPF Databinding CheckBox.IsChecked

  - by Adam Tegen

  How would I bind the IsChecked member of a CheckBox to a member variable in my form? (I realize I can access it directly, but I am trying to learn about databinding and WPF) Below is my failed attempt to get this working. XAML: <Window x:Class="MyProject.Form1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Title" Height="386" Width="563" WindowStyle="SingleBorderWindow"> <Grid> <CheckBox Name="checkBoxShowPending" TabIndex="2" Margin="0,12,30,0" Checked="checkBoxShowPending_CheckedChanged" Height="17" VerticalAlignment="Top" HorizontalAlignment="Right" Width="92" Content="Show Pending" IsChecked="{Binding ShowPending}"> </CheckBox> </Grid> </Window> Code: namespace MyProject { public partial class Form1 : Window { private ListViewColumnSorter lvwColumnSorter; public bool? ShowPending { get { return this.showPending; } set { this.showPending = value; } } private bool showPending = false; private void checkBoxShowPending_CheckedChanged(object sender, EventArgs e) { //checking showPending.Value here. It's always false } } }

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• How to display ppt file in Android views using Docx4j

  - by Ganesh

  I am working on Android and using docx4j to view the docx,pptx and xlsx files into my application. I am unable to view the ppt files . I am getting compile time error at SvgExporter class. which is not there in docx4j library. Can any one help me out to get the SvgExporter class library and build my application and get the Svghtml to load on webview for ppt files. my code is as follows. String inputfilepath = System.getProperty("user.dir") + "/sample-docs/pptx/pptx-basic.xml"; // Where to save images SvgExporter.setImageDirPath(System.getProperty("user.dir") + "/sample-docs/pptx/"); PresentationMLPackage presentationMLPackage = (PresentationMLPackage)PresentationMLPackage.load(new java.io.File(inputfilepath)); // TODO - render slides in document order! Iterator partIterator = presentationMLPackage.getParts().getParts().entrySet().iterator(); while (partIterator.hasNext()) { Map.Entry pairs = (Map.Entry)partIterator.next(); Part p = (Part)pairs.getValue(); if (p instanceof SlidePart) { System.out.println( SvgExporter.svg(presentationMLPackage, (SlidePart)p) ); } } // NB: file suffix must end with .xhtml in order to see the SVG in a browser }

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