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• Using .net 3.5 assemblies in asp.net 2.0 web application

  - by masterik

  I have an .net assembly build against 3.5 framework. This assembly has a class Foo with two method overrides: public class Foo { public T Set<T>(T value); public T Set<T>(Func<T> getValueFunc); } I'm referencing this assembly in my asp.net 2.0 web application to use first override of the Set method (without Func). But on build I get an error saying that I should reference System.Core to use System.Func delegate... but I'm not using this type... Is there a workaround to solve this? PS: There is no option to convert my web application targeting 3.5 framework.

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• VS2010 add-in custom menu item in files of Solution Explorer

  - by NewProgrammer

  Hey guys, I need to create a custom menu item for Visual Studio 2010 Add-in in C#, but I have had no luck in coming with a solution anytime soon. I am aware that there was a similar post: http://stackoverflow.com/questions/2486818/visual-studio-add-in-adding-a-context-menu-item-to-solution-explorer But it did not help, as the blog follows the process through the integration package, and the video is done through VB. I had attempted to convert the VB syntax to the C# syntax, but about half way through the video, the Add-in methods has significantly changed from 2005 to 2010, as some of the methods have removed or changed. Is there any good tutorials on making a custom menu item on the Solution Explorer in the lastest Visual Studio in C#, and is there a good website that could be used as a reference for looking over the VS add-in API? I've used Microsoft's main website, however it is confusing and wordy, which is difficult to understand and find the methods, properties, or commands that I am looking for. Any help would be appreicated, Thanks in advance.

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• Axapta 2009 WCF service

  - by Rogue101

  I am trying to add a service reference to axapta 2009. All is working well, its a simple web method(external webservice) that gets executed on the server tier(necessary, otherwise clr interop error) But I've ran into the following problems : is it possible to close the proxy one way or another? Because this option is not available in the generated service object in AX (only the webmethods and a tostring). at a certain moment, i ran into a service with faulted state. Normally, you create the service object again, but this didnt solve anything, until i restarted the AOS. Is this normal behaviour? Is the service object cached or something like that on server side? Thx in advance.

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• Hide Address bar for Xpages Mobile Web Application on Ipad (iOS5) and Mobile safari (v5.1)

  - by prasad katankot

  With reference to the question I asked couple of days back, it seems to me that address bar cannot be hidden from a xpages mobile web application when it is launched from a href link. Choice is limited to href as "location.assign" or any javascript will not work on mails accessed by lotus traveller. I tried almost 20 different variations published by other experts to hide address bar and none seems to work. Am I wrong in stating that "it is not possible to hide address bar in Xpages mobile web application on ipad when not launched from home screen"?

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• ASP.NET 3.5 Routing?

  - by Maushu

  I was looking for a way to route http://www.example.com/WebService.asmx to http://www.example.com/service/ using only the ASP.NET 3.5 Routing framework without needing to configure the IIS server. Until now I have done what most tutorials told me, added a reference to the routing assembly, configured stuff in the web.config, added this to the Global.asax: protected void Application_Start(object sender, EventArgs e) { RouteCollection routes = RouteTable.Routes; routes.Add( "WebService", new Route("service/{*Action}", new WebServiceRouteHandler()) ); } ...created this class: public class WebServiceRouteHandler : IRouteHandler { public IHttpHandler GetHttpHandler(RequestContext requestContext) { // What now? } } ...and the problem is right there, I don't know what to do. The tutorials and guides I've read use routing for pages, not webservices. Is this even possible? Ps: The route handler is working, I can visit /service/ and it throws the NotImplementedException I left in the GetHttpHandler method.

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• Bean is not instantiating while using hibernate interceptor

  - by amit sharma

  I am using hibernate interceptor with spring framework,but when i pass a bean reference of DAO class its not instantiating the bean. My interceptor class has: private IMyService myService; // and getters and setters while application-context.xml having entries: <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="entityInterceptor" ref="logInterceptor"></property> </bean> <bean name="logInterceptor" class="com.amit.project.Utility.TableLogInterceptor" > <property name="myService" ref="myService"/> </bean> <bean name="myService" class="com.amit.project.service.impl.MyService"> But my bean is not instantiating in class, showing null. entityInterceptor is not allowing to do that or anything else? plz suggest a way if anybody knows.

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• Masked Edit extender inside a Repeater

  - by Viswa

  How can i dynamically create a textBox and a Masked Edit extender inside a Panel. My code is something like this: In the ASPX page: In the Aspx.cs page Private DataView Function1() { Dataview dv =new dataview(); return dv; } Private void ShowProducts_OntemDataBound(object sender, RepeaterEventItem e) { //Consider For the First Iteration of the Repeater I am Creating a Simple Text Box Dynamically Textbox txt = new textbox(); txt.Text = "8888888888"; txt.Id = "TextBox1"; //Consider For the Second Iteration of the Repeater I am Creating another TextBox and a Textbox txt1 = new textBox(); txt1.text="2223334444"; txt1.Id = "TextBox2"; MaskedEditExtender mskEdit = (MaskedEditExtender)e.Item.FindControl("MskEdit"); mskEdit.TargetControlId = txt1.Id; Panel panel1 = (Panel)e.item.Findcontrol("Panel1"); panel1.Controls.Add(txt1); } When running the above code it is giving me "Null Reference Exception for MaskedEditExtender".Please suggest me some way for this.

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• Rosetta Stone: Great example projects

  - by Adam Bellaire

  In your opinion, what is a great example application which demonstrates the best techniques for its language and problem domain, and could be used as a reference for other programmers? Please provide answers where the source is readily available for viewing (i.e. open-source projects), and provide a link. The first line of each answer should indicate the language and the problem domain in bold, e.g.: Java - Web Application ... or ... C# - DX Game As with other Rosetta Stone questions, the answers here should demonstrate the language/technology in the example in such a way that programmers who aren't familiar with them can get an impression of what they're like.

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• Use python decorators on class methods and subclass methods

  - by AlexH

  Goal: Make it possible to decorate class methods. When a class method gets decorated, it gets stored in a dictionary so that other class methods can reference it by a string name. Motivation: I want to implement the equivalent of ASP.Net's WebMethods. I am building this on top of google app engine, but that does not affect the point of difficulty that I am having. How it Would look if it worked: class UsefulClass(WebmethodBaseClass): def someMethod(self, blah): print(blah) @webmethod def webby(self, blah): print(blah) # the implementation of this class could be completely different, it does not matter # the only important thing is having access to the web methods defined in sub classes class WebmethodBaseClass(): def post(self, methodName): webmethods[methodName]("kapow") ... a = UsefulClass() a.post("someMethod") # should error a.post("webby") # prints "kapow" There could be other ways to go about this. I am very open to suggestions

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• Building a list of favorites from Core Data

  - by Jim

  I'm building an app with two tabs. The first tab has a main tableview that connects to a detail view of the row. The second tab will display a tableView based on the user adding content to it by tapping a button on the detail view. My question is this. What is the correct design pattern to do this? Do I create a second ManagedObjectContext/ManagedObjectContextID then save that context to a new persistent store or can the MOC be saved to the existing store without affecting the original tableview? I've looked at CoreData Recipes and CoreData Books and neither deal with multiple stores although books does deal with multiple MOC's. Any reference would be great.

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• Modify an object without using it as parameter

  - by Claire Huang

  I have a global object "X" and a class "A". I need a function F in A which have the ability to modify the content of X. For some reason, X cannot be a data member of A (but A can contain some member Y as reference of X), and also, F cannot have any parameter, so I cannot pass X as an parameter into F. (Here A is an dialog and F is a slot without any parameter, such as accept() ) How can I modify X within F if I cannot pass X into it? Is there any way to let A know that "X" is the object it need to modify?? I try to add something such as SetItem to specify X in A, but failed.

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• How do you include additional files using VS2010 web deployment packages?

  - by Jason

  I am testing out using the new web packaging functionality in visual studio 2010 and came across a situation where I use a pre-build event to copy required .dll's into my bin folder that my app relies on for API calls. They cannot be included as a reference since they are not COM dlls that can be used with interop. When I build my deployment package those files are excluded when I choose the option to only include the files required to run the app. Is there a way to configure the deployment settings to include these files? I have had no luck finding any good documentation on this.

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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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• Flex HDividedBox Divider backgroundColor

  - by Jeremy Mitchell

  Is there an easy way to set the backgroundColor of a HDividedBox's (or VDividedBox's) BoxDivider object(s)? A BoxDivider is the "divider" that has the drag handle on it. By default, the BoxDivider is transparent with the little handle image on it. There is a dividerSkin style that defaults to mx.skin.BoxDividerSkin which is a reference to a symbol in the Assets.swf file. Any ideas? Do I have to make an alternate skin? Is that my only option? Googling this led me to many solutions that were weird and hacky and frankly didn't seem to work. Thanks.

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• missing Axhost after using axImp.exe

  - by user311130

  Hey all, I want to use to connect with RDP from c# code. I have fpund a code_Guru code that does that but need AxMSTSCLib.dll as a reference. One of this dll member is Axhost. I'm using the command axImp.exe to create a AxMSTSCLib.dll: %%\aximp.exe %windir%\system32\mstscax.dll But there is no Axhost (check the object browser through visual studio). (here is my dll compared with the one which was donloaded from code-guru http://drop.io/hidden/eopb4tphk8qekl/asset/bm8tZ2V0LW9jeC1qcGc%253D http://drop.io/hidden/eopb4tphk8qekl/asset/Z2V0b2N4LTEtanBn ) Anyone knows why? and how can I fix that? or where should i ask this ver specific question? Regards,

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• Using wix3 SqlScript to run generated temporary sql-script files.

  - by leiflundgren

  I am starting to write an installer which will use the SqlScript-element. That takes a reference to the Binary-table what script to run. I would like to dynamically generate the script during the installation. I can see three possibilities: Somehow to get SqlScript to read it data from a file rather then a Binary entry. Inject my generated script into the Binary table Using SqlString Which will cause the need to place some rather long strings into Properties, but I guess that shouldn't really be a prolem. Any advice? Regards Leif (My reason, should anyone be interested is that the database should have a job set up, that calls on an installed exe-file. I prefer to create the job using sqlscript. And the path of that file is not known until InstallDir has been choosen.)

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• Is post-sudden-power-loss filesystem corruption on an SSD drive's ext3 partition "expected behavior"?

  - by Jeremy Friesner

  My company makes an embedded Debian Linux device that boots from an ext3 partition on an internal SSD drive. Because the device is an embedded "black box", it is usually shut down the rude way, by simply cutting power to the device via an external switch. This is normally okay, as ext3's journalling keeps things in order, so other than the occasional loss of part of a log file, things keep chugging along fine. However, we've recently seen a number of units where after a number of hard-power-cycles the ext3 partition starts to develop structural issues -- in particular, we run e2fsck on the ext3 partition and it finds a number of issues like those shown in the output listing at the bottom of this Question. Running e2fsck until it stops reporting errors (or reformatting the partition) clears the issues. My question is... what are the implications of seeing problems like this on an ext3/SSD system that has been subjected to lots of sudden/unexpected shutdowns? My feeling is that this might be a sign of a software or hardware problem in our system, since my understanding is that (barring a bug or hardware problem) ext3's journalling feature is supposed to prevent these sorts of filesystem-integrity errors. (Note: I understand that user-data is not journalled and so munged/missing/truncated user-files can happen; I'm specifically talking here about filesystem-metadata errors like those shown below) My co-worker, on the other hand, says that this is known/expected behavior because SSD controllers sometimes re-order write commands and that can cause the ext3 journal to get confused. In particular, he believes that even given normally functioning hardware and bug-free software, the ext3 journal only makes filesystem corruption less likely, not impossible, so we should not be surprised to see problems like this from time to time. Which of us is right? Embedded-PC-failsafe:~# ls Embedded-PC-failsafe:~# umount /mnt/unionfs Embedded-PC-failsafe:~# e2fsck /dev/sda3 e2fsck 1.41.3 (12-Oct-2008) embeddedrootwrite contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Invalid inode number for '.' in directory inode 46948. Fix<y>? yes Directory inode 46948, block 0, offset 12: directory corrupted Salvage<y>? yes Entry 'status_2012-11-26_14h13m41.csv' in /var/log/status_logs (46956) has deleted/unused inode 47075. Clear<y>? yes Entry 'status_2012-11-26_10h42m58.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47076. Clear<y>? yes Entry 'status_2012-11-26_11h29m41.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47080. Clear<y>? yes Entry 'status_2012-11-26_11h42m13.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47081. Clear<y>? yes Entry 'status_2012-11-26_12h07m17.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47083. Clear<y>? yes Entry 'status_2012-11-26_12h14m53.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47085. Clear<y>? yes Entry 'status_2012-11-26_15h06m49.csv' in /var/log/status_logs (46956) has deleted/unused inode 47088. Clear<y>? yes Entry 'status_2012-11-20_14h50m09.csv' in /var/log/status_logs (46956) has deleted/unused inode 47073. Clear<y>? yes Entry 'status_2012-11-20_14h55m32.csv' in /var/log/status_logs (46956) has deleted/unused inode 47074. Clear<y>? yes Entry 'status_2012-11-26_11h04m36.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47078. Clear<y>? yes Entry 'status_2012-11-26_11h54m45.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47082. Clear<y>? yes Entry 'status_2012-11-26_12h12m20.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47084. Clear<y>? yes Entry 'status_2012-11-26_12h33m52.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47086. Clear<y>? yes Entry 'status_2012-11-26_10h51m59.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47077. Clear<y>? yes Entry 'status_2012-11-26_11h17m09.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47079. Clear<y>? yes Entry 'status_2012-11-26_12h54m11.csv.gz' in /var/log/status_logs (46956) has deleted/unused inode 47087. Clear<y>? yes Pass 3: Checking directory connectivity '..' in /etc/network/run (46948) is <The NULL inode> (0), should be /etc/network (46953). Fix<y>? yes Couldn't fix parent of inode 46948: Couldn't find parent directory entry Pass 4: Checking reference counts Unattached inode 46945 Connect to /lost+found<y>? yes Inode 46945 ref count is 2, should be 1. Fix<y>? yes Inode 46953 ref count is 5, should be 4. Fix<y>? yes Pass 5: Checking group summary information Block bitmap differences: -(208264--208266) -(210062--210068) -(211343--211491) -(213241--213250) -(213344--213393) -213397 -(213457--213463) -(213516--213521) -(213628--213655) -(213683--213688) -(213709--213728) -(215265--215300) -(215346--215365) -(221541--221551) -(221696--221704) -227517 Fix<y>? yes Free blocks count wrong for group #6 (17247, counted=17611). Fix<y>? yes Free blocks count wrong (161691, counted=162055). Fix<y>? yes Inode bitmap differences: +(47089--47090) +47093 +47095 +(47097--47099) +(47101--47104) -(47219--47220) -47222 -47224 -47228 -47231 -(47347--47348) -47350 -47352 -47356 -47359 -(47457--47488) -47985 -47996 -(47999--48000) -48017 -(48027--48028) -(48030--48032) -48049 -(48059--48060) -(48062--48064) -48081 -(48091--48092) -(48094--48096) Fix<y>? yes Free inodes count wrong for group #6 (7608, counted=7624). Fix<y>? yes Free inodes count wrong (61919, counted=61935). Fix<y>? yes embeddedrootwrite: ***** FILE SYSTEM WAS MODIFIED ***** embeddedrootwrite: ********** WARNING: Filesystem still has errors ********** embeddedrootwrite: 657/62592 files (24.4% non-contiguous), 87882/249937 blocks Embedded-PC-failsafe:~# Embedded-PC-failsafe:~# e2fsck /dev/sda3 e2fsck 1.41.3 (12-Oct-2008) embeddedrootwrite contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Directory entry for '.' in ... (46948) is big. Split<y>? yes Missing '..' in directory inode 46948. Fix<y>? yes Setting filetype for entry '..' in ... (46948) to 2. Pass 3: Checking directory connectivity '..' in /etc/network/run (46948) is <The NULL inode> (0), should be /etc/network (46953). Fix<y>? yes Pass 4: Checking reference counts Inode 2 ref count is 12, should be 13. Fix<y>? yes Pass 5: Checking group summary information embeddedrootwrite: ***** FILE SYSTEM WAS MODIFIED ***** embeddedrootwrite: 657/62592 files (24.4% non-contiguous), 87882/249937 blocks Embedded-PC-failsafe:~# Embedded-PC-failsafe:~# e2fsck /dev/sda3 e2fsck 1.41.3 (12-Oct-2008) embeddedrootwrite: clean, 657/62592 files, 87882/249937 blocks

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• Equality between two enumerables

  - by Berryl

  I have two enumerables with the exact same reference elements, and wondering why Equals wouldn't be true. As a side question, the code below to compare each element works, but there must be a more elegant way Cheers, Berryl var other = (ActivityService) obj; if (!AllAccounts.Count().Equals(other.AllAccounts.Count())) return false; for (int i = 0; i < AllAccounts.Count(); i++) { if (!AllAccounts.ElementAt(i).Equals(other.AllAccounts.ElementAt(i))) { return false; } } return true;

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• Coldfusion - variable field name when looping through database query results

  - by shifuimam

  I have a set of column names in a table - e.g. foo1, foo2, foo3, foo4. I want to refer to these column names dynamically through a loop: <cfloop index="i" from="1" to="4"> <cfset foo = Evaluate("query.foo" & i)> </cfloop> The above doesn't work - ColdFusion throws a "variable not defined" error, even though query.foo1 is a valid reference to the query results. How else can I do this?

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• Cost of using ASP.NET

  - by Mackristo

  One thing that I keep hearing in reference to ASP.NET and MSFT technologies is that they cost money to use. Often when they are being compared to open source languages someone will mention that one factor in favor of open source is that it's free (to an extent). My question is, when does ASP.NET actually cost money to use in terms of using the proprietary technology? Understandably there are the hosting fees, but I'm curious about the fees outside of these hosting fees. I'm especially curious about this as it relates one-person smaller-site development (non-team/large enterprise). Any help is appreciated. (edits) Some excellent answers. Much appreciated The projects that I'm looking to use the technologies for would be personal sites and very small business sites (1 or 2). The intent would of course be that these projects get much bigger. It seems that for commercial production, fees will apply. What about just basic dynamic "shared hosting" sites that provide information?

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• How can i navigate one xaml page to another?

  - by programmerist

  i have 2 page i need to navigate mainpage.xaml to login.page xaml but it throws me Object reference not set to an instance of an object. in Root.Children.Clear();.... i added this codes in App.xaml: private void Application_Startup(object sender, StartupEventArgs e) { Grid myGrid = new Grid(); myGrid.Children.Add(new MainPage()); this.RootVisual = myGrid; } and than i adde some codes on main.xaml to navigate to LoginUI.xaml namespace Gen.CallCenter.UI { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); Grid Root = ((Grid)(this.Parent)); Root.Children.Clear(); Root.Children.Add(new LoginUI()); } } } How can i navigate main.xaml to LoginUI.xaml ?

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• MIPS assembly: how to declare integer values in the .data section?

  - by Barney

  I'm trying to get my feet wet with MIPS assembly language using the MARS simulator. My main problem now is how do I initialize a set of memory locations so that I can access them later via assembly language instructions? For example, I want to initialize addresses 0x1001000 - 0x10001003 with the values 0x99, 0x87, 0x23, 0x45. I think this can be done in the data declaration (.data) section of my assembly program but I'm not sure of the syntax. Is this possible? Alternatively, in the .data section, how do I specify storing the integer values in some memory location (I don't care where, but I just want to reference them somewhere). So I'm looking for the C equivalent of "int x = 20, y=30, z=90;" I know how to do that using MIPS instructions but is it possible to declare something like that in the .data section of a MIPS assembly program?

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• iPhone SDK Smaller CAF files: lower recording quality with Audio Queues?

  - by Nick

  In my iPhone app I have voice recording functionality the utilizes Audio Queue voice recording functions of the SDK. I'm saving directly to CAF format and using the following settings for the AudioStreamBasicDescription reference: audioFormat.mFormatID = kAudioFormatLinearPCM; I can see that there are other format ids I could use like: kAudioFormatLinearPCM kAudioFormatAppleLossless kAudioFormatAppleIMA4 kAudioFormatiLBC kAudioFormatULaw kAudioFormatALaw My knowledge of sound formats is very limited so my question is... which of these should I use to create the lowest compressed audio recording files? Plus, are there other settings I should apply to lower the quality and filesize even further?

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• displaying web pages over web views in collection view using cocoa bindings

  - by Miraaj

  Hi all, I tried sample example given at this link - Collection View Programming Guide It is simple and it worked. Considering it as a reference I tried a simple application which will show a collection view of web views with some web page displayed over each web view. The model class has two properties: NSString *pageName, and NSURL *pageURL. I then followed each and every step written in tutorial above with required modifications but I was caught in the step - How to bind web view to collection view item? In binding tab it shows three possibilities : Editable, Hidden, Tool tip but none of these is working. Can anyone suggest me way to accomplish my requirement? Thanks, Miraaj

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• Using Graphics2D to overlay text on a BufferedImage and return a BufferedImage

  - by Andrew Bolster

  I have checked similarly named questions, but they don't answer this use case. Basically, I was to overlay some text (text) at a given coordinate (x,y) I have the below function in a package; protected BufferedImage Process2(BufferedImage image){ Graphics2D gO = image.createGraphics(); gO.setColor(Color.red); gO.setFont(new Font( "SansSerif", Font.BOLD, 12 )); gO.drawString(this.text, this.x, this.y); System.err.println(this.text+this.x+this.y); return image; } I feel like im missing something patently obvious; every reference to Graphics2D I can find is dealing with either games or writing directly to a file but I just want a BufferedImage returned. with the overlay 'rendered' In the current code, the image appears out the end unchanged. Thanks!

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