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• file upload working in one and not the other help

  - by rod

  Hi All, I have a web application which has 2 different versions deployed. 1 is a ASP.Net web forms version and the other is an ASP.Net MVC version I have a File Upload page which dynamically creates a directory folder for the target location of the file to be uploaded to. The application is using Forms Authentication for outside users and Integrated Windows Authentication for inside the network users. I have an issue where a user can upload a file in the ASP.Net Web Forms version fine. But when the same user tries to upload the file in the MVC version the user gets a File.IO permission error. Here's a kicker: I can upload the same file in both versions. The user is in a remote location but I believe they're still inside the network because they can work on the other parts of the application just fine. Possible clues: In the event log there's an info that says Event code:4005 Forms authentication failed for the request. Reason: Ticket supplied was invalid. What would be your initial thoughts on why this is happening? Thanks, Rod.

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• Basic syntax for an animation loop?

  - by Moshe

  I know that jQuery, for example, can do animation of sorts. I also know that at the very core of the animation, there must me some sort of loop doing the animation. What is an example of such a loop? A complete answer should ideally answer the following questions: What is a basic syntax for an effective animation recursion that can animate a single property of a particular object at a time? The function should be able to vary its target object and property of the object. What arguments/parameters should it take? What is a good range of reiterating the loop? In milliseconds? (Should this be a parameter/argument to the function?) REMEMBER: The answer is NOT necessarily language specific, but if you are writing in a specific language, please specify which one. Error handling is a plus. {Nothing is more irritating (for our purposes) than an animation that does something strange, like stopping halfway through.} Thanks!

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• Specific compiler flags for specific files in Xcode

  - by Jasarien

  I've been tasked to work on a project that has some confusing attributes. The project is of the nature that it won't compile for the iPhone Simulator And the iPhone Device with the same compile settings. I think it has to do with needing to be specifically compiled for x86 or arm6/7 depending on the target platform. So the project's build settings, when viewed in Xcode's Build Settings view doesn't enable me to set specific compiler flags per specific files. However, the previous developer that worked on this project has somehow declared the line: CE7FEB5710F09234004DE356 /* MyFile.m in Sources */ = {isa = PBXBuildFile; fileRef = CE7FEB5510F09234004DE356 /* MyFile.m */; settings = {COMPILER_FLAGS = "-fasm-blocks -marm -mfpu=neon"; }; }; Is there any way to do this without editing the project file by hand? I know that editing the project file can result in breaking it completely, so I'd rather not do that, as I obviously don't know as much as the previous developer. So to clarify, the question is: The build fails when compiling for simulator unless I remove the -fasm-blocks flag. The build fails when compiling for device unless I add the -fasm-blocks flag. Is there a way to set this flag per file without editing the project file by hand?

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• Android Failed to install HelloWorld.apk on device (null) Error

  - by Nagaraj

  Hai Every Body............ I am New to Android. When i am running the android application in eclipse i am getting this messages in console. Please help me how to solve this problem. to my mail:[email protected] [2011-03-08 12:57:35 - HelloWorld] ------------------------------ [2011-03-08 12:57:35 - HelloWorld] Android Launch! [2011-03-08 12:57:35 - HelloWorld] adb is running normally. [2011-03-08 12:57:35 - HelloWorld] Performing com.oreilly.helloworld.HelloWorldActivity activity launch [2011-03-08 12:57:35 - HelloWorld] Automatic Target Mode: Preferred AVD 'MY_AVD' is not available. Launching new emulator. [2011-03-08 12:57:35 - HelloWorld] Launching a new emulator with Virtual Device 'MY_AVD' [2011-03-08 12:57:39 - HelloWorld] New emulator found: emulator-5554 [2011-03-08 12:57:39 - HelloWorld] Waiting for HOME ('android.process.acore') to be launched... [2011-03-08 13:00:14 - HelloWorld] WARNING: Application does not specify an API level requirement! [2011-03-08 13:00:14 - HelloWorld] Device API version is 11 (Android 3.0) [2011-03-08 13:00:14 - HelloWorld] HOME is up on device 'emulator-5554' [2011-03-08 13:00:14 - HelloWorld] Uploading HelloWorld.apk onto device 'emulator-5554' [2011-03-08 13:00:14 - HelloWorld] Installing HelloWorld.apk... [2011-03-08 13:02:22 - HelloWorld] Failed to install HelloWorld.apk on device 'emulator-5554! [2011-03-08 13:02:22 - HelloWorld] (null) [2011-03-08 13:02:23 - HelloWorld] Launch canceled!

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• Navigation Items in UITableViewController are not appearing?

  - by Sheehan Alam

  I am displaying a UITableViewController inside of a UITabBarController that is being presented modally: -(IBAction)arButtonClicked:(id)sender{ //this is a uitableviewcontroller ARViewController* arViewController = [[[ARViewController alloc] initWithNibName:@"ARViewController" bundle:nil]autorelease]; LeaderBoardTableViewController* lbViewController = [[[LeaderBoardTableViewController alloc] initWithNibName:@"LeaderBoardTableViewController" bundle:nil]autorelease]; lbViewController.title = @"Leaderboard"; arTabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil]; arTabBarController.viewControllers = [NSArray arrayWithObjects:arViewController, lbViewController, nil]; arTabBarController.selectedViewController = arViewController; [self presentModalViewController:arTabBarController animated:YES]; } In my viewDidLoad for arViewController method I am setting the navigation items: - (void)viewDidLoad { [super viewDidLoad]; // Uncomment the following line to preserve selection between presentations. self.clearsSelectionOnViewWillAppear = NO; self.title = @"AR"; leaderBoardButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemOrganize target:self action:@selector(leaderBoardButtonClicked:)]; self.navigationItem.rightBarButtonItem = leaderBoardButton; } My navigation bar doesn't appear when it is inside of the UITabBarController, but when I push the view itself I am able to see it. What am I missing?

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• Eclipse CDT: cannot debug or terminate application

  - by Paul Lammertsma

  I have Eclipse set up fairly nicely to run the G++ compiler through Cygwin. Even the character encoding is set up correctly! There still seems to be something wrong with my configuration: I can't debug. The pause button in the debug view is simply disabled, and no threads appear in my application tree. It seems that gdb is simply not communicating with Eclipse. Presently, I have the debug settings as follows: Debugger: "Cygwin gdb Debugger" GDB debugger: gdb GDB command file: .gdbinit Protocol: Default I should mention here that I have no idea what .gdbinit does; in my project it is merely an empty file. What is wrong with my configuration? Debugging When attempting to terminate the application in debug mode, Eclipse displays the following error: Target request failed: failed to interrupt. I can't kill the process, either; I have to kill its parent gdb.exe, which in turn kills my application. Running When running it normally, a bunch of kill.exes are called, doing nothing, while Eclipse displays the following error: Terminate failed. I can kill FaceDetector.exe from the task manager. Process Explorer This is what it looks like in Process Explorer (debugging left, running right):

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• Missing elements of collection

  - by Neir0

  I have a collection ObservableCollection<string> outoverList And i have a function which call collection outoverList.Add("out:"+element.tagName); Function call collection a few times, but sometimes collection lost elements. We call a function - function adds element - collection has 9 elements(for example) - in the next function calling collection has only 8 elements. One elements be missing. Here Resharpers Find usages log: Search target FindElementHandler.outoverList:ObservableCollection<string> Found 3 usages in solution <FindElementExperiments> (3 items) FindElementHandler.cs (3 items) (50,13) outoverList = new ObservableCollection<string>(); (94,13) outoverList.Add("out:"+element.tagName); (118,13) outoverList.Add("over:" + element.tagName); As you can see i just add elements to collection everywhere. i havent remove elements code. Maybe i did something wrong you can look at screen capture: http://www.youtube.com/watch?v=Ei6dQnHCMIc I am newbie and often encounter with various problems but this bug looks mystic for me. P/S/ Sorry for english

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• Removing PDF attachments via itext

  - by r00fus

  I'm trying to remove attachments from a number of my pdf files (I can extract via pdftk, so preserving them is not an issue). I coded the following based on an example found from a google search: import java.io.FileOutputStream; import java.io.IOException; import com.lowagie.text.*; import com.lowagie.text.pdf.*; class pdfremoveattachment { public static void main(String[] args) throws IOException, DocumentException { if (args.length < 2) { System.out.println("Usage: java PDFremoveAttachments source.pdf target.pdf"); System.exit(1); } PdfReader sourcePDF = new PdfReader(args[0]); removeAttachments(sourcePDF); FileOutputStream targetFOS = new FileOutputStream(args[1]); PdfStamper targetPDF = new PdfStamper(sourcePDF,targetFOS); targetPDF.close(); } public static void removeAttachments(PdfReader reader) { PdfDictionary catalog = reader.getCatalog(); // System.out.println(catalog.getAsDict(PdfName.NAME)); // this would print "null" PdfDictionary names = (PdfDictionary)PdfReader.getPdfObject(catalog.get(PdfName.NAMES)); // System.out.println(names.toString()); //this returns NPE if( names != null) { PdfDictionary files = (PdfDictionary) PdfReader.getPdfObject(names.get(PdfName.FILEATTACHMENT)); if( files!= null ){ for( Object key : files.getKeys() ){ files.remove((PdfName)key); } files = (PdfDictionary) PdfReader.getPdfObject(names.get(PdfName.EMBEDDEDFILES)); } if( files!= null ){ for( Object key : files.getKeys() ){ files.remove((PdfName)key); } reader.removeUnusedObjects(); } } } } If anyone knows how I might be able to remove attachments, I'd greatly appreciate a reply.

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• strange behavior in python

  - by fsm

  The tags might not be accurate since I am not sure where the problem is. I have a module where I am trying to read some data from a socket, and write the results into a file (append) It looks something like this, (only relevant parts included) if __name__ == "__main__": <some init code> for line in file: t = Thread(target=foo, args=(line,)) t.start() while nThreads > 0: time.sleep(1) Here are the other modules, def foo(text): global countLock, nThreads countLock.acquire() nThreads += 1 countLock.release() """connect to socket, send data, read response""" writeResults(text, result) countLock.acquire() nThreads -= 1 countLock.release() def writeResults(text, result): """acquire file lock""" """append to file""" """release file lock""" Now here's the problem. Initially, I had a typo in the function 'foo', where I was passing the variable 'line' to writeResults instead of 'text'. 'line' is not defined in the function foo, it's defined in the main block, so I should have seen an error, but instead, it worked fine, except that the data was appended to the file multiple times, instead of being written just once, which is the required behavior, which I got when I fixed the typo. My question is, 1) Why didn't I get an error? 2) Why was the writeResults function being called multiple times?

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• Debian packaging of a Python package.

  - by chrisdew

  I need to write (or find) a script to create a Debian package (using python-support) from a Python package. The Python package will be pure Python (no C extensions). The Python package (for testing purposes) will just be a directory with an empty __init__.py file and a single Python module, package_test.py. The packaging script must use python-support to provide the correct bytecode for possible multiple installations of Python on a target platform. (i.e. v2.5 and v2.6 on Ubuntu Jaunty.) Most advice I find while googling are just examples nasty hacks that don't even use python-support or python-central. I have so far spent hours researching this, and the best I can come up with is to hack around the script from an existing open source project - but I don't know which bits are required for what I'm doing. Has anyone here made a Debian package out of a Python package in a reasonably non-hacky way? I'm starting to think that it will take me more than a week to go from no knowledge of Debian packaging and python-support to getting a working script. How long has it taken others? Any advice? Chris.

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• IE event callback object JavaScript

  - by Randy Hall

  I may be WAY off on my terminology, so please feel free to correct me. Perhaps this is why I cannot seem to find anything relevant. No libraries, please. I have an event handler, which invokes a callback function. Fancy, right? In IE<9 the this object in the handler is the window. I don't know why, or how to access the correct object. if (document.addEventListener){ element.addEventListener(event, callback, false); } else { element.attachEvent('on' +event, callback); } This part DOES WORK. This part doesn't: function callback(event){ console.log(this); } this in IE is returning [object Window], whereas it returns the element that called the callback function in every other browser. This is cut down significantly from my full script, but this should be everything that's relevant. EDIT This link provided by @metadings How to reference the caller object ("this") using attachEvent is very close. However, there are still two issues. 1) I need to get both the event object and the DOM element calling this function. 2) This event is handled delegation style: there may be child DOM elements firing the event, meaning event.target is not necessarily (and in my case, not typically) the element with the listener.

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• FLTK in Cygwin using Eclipse (Linking errors)

  - by qpingu

  I have this assignment due that requires the usage of FLTK. The code is given to us and it should compile straight off of the bat, but I am having linking errors and do not know which other libraries I need to include. I currently have "opengl32", "fltk_gl", "glu32", and "fltk" included (-l), each of which seem to reduce the number of errors. I compiled FLTK using make with no specified options. Including all of the produced library files doesn't fix the problem, and I'm convinced that it's just some Windows specific problem. Compile log: **** Build of configuration Debug for project CG5 **** make all Building target: CG5.exe Invoking: Cygwin C++ Linker g++ -o"CG5.exe" ./src/draw_routines.o ./src/gl_window.o ./src/my_shapes.o ./src/shape.o ./src/shapes_ui.o ./src/tesselation.o -lopengl32 -lfltk_z -lfltk_gl -lglu32 -lfltk /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x197): undefined reference to `_SelectPalette@12' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x1a7): undefined reference to `_RealizePalette@4' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x1fe): undefined reference to `_glDrawBuffer@4' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x20d): undefined reference to `_glReadBuffer@4' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x23a): undefined reference to `_glGetIntegerv@8' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x2c3): undefined reference to `_glOrtho@48' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libfltk_gl.a(Fl_Gl_Window.o):Fl_Gl_Window.cxx:(.text+0x2f3): undefined reference to `_SwapBuffers@4' ...and lots more Thanks a ton for the help. EDIT: These first few lines are obviously OpenGL related, although I'm still not sure what additional libraries need to be included.

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• Writing language converter in ANTLR

  - by Stefan

  I'm writing a converter between some dialects of the same programming language. I've found a grammar on the net - it's complex and handles all the cases. Now I'm trying to write the appropriate actions. Most of the input is just going to be rewritten to output. What I need to do is parse function calls, do my magic (rename function, reorder arguments, etc) and write it. I'm using AST as output. When I come across a function call, I build a custom object structure (from classes defined in my target language), call the appropriate function and I have a string that represents the transformed function that I want to get. The problem is, what I'm supposed to do with that string? I'd like to replace the .text attribute of the enclosing rule, but setText() is only available on lexer rules and the rule's .text attribute is read-only. How to solve this problem? program : statement_list { output = $statement_list.text; } ; //... statement : expression_statement // ... ; expression_statement : function_call // ... ; function_call : ID '(' { /* build the object, assign name */ Function function = new Function(); //... } ( arg1 = expression { /* add first parameter */ } ( ',' arg2 = expression { /* add the rest of parameters */ } )* )? ')' { /* convert the function call */ string converted = Tools.Convert(function); // $setText(converted); // doesn't work // $functionCall.text = converted; // doesn't work } ;

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• How can I return a value from GM_xmlhttprequest?

  - by GeoffreyF67

  I have this code here: var infiltrationResult; while(thisOption) { var trNode = document.createElement('tr'); var tdNode = document.createElement('td'); var hrefNode = document.createElement('a'); infPlanetID = thisOption.getAttribute('value'); var myURL = "http://www.hyperiums.com/servlet/Planetinf?securitylevel=90&newinfiltr=New+infiltration&planetid=" + PlanetID + "&infplanetid=" + infPlanetID; GM_xmlhttpRequest({ method: 'GET', url: myURL, headers: { 'User-agent': 'Mozilla/4.0 (compatible) Greasemonkey', 'Accept': 'application/atom+xml,application/xml,text/xml', }, onload: function(responseDetails) { if (responseDetails.responseText.match(/<b>Invalid order<\/td><\/tr><tr><td><BR><center><font color=#AAAA77 face=verdana,arial size=2>The target planet is blocking all infiltrations[\s\S]<BR><BR>/im)) { // Successful match infiltrationResult = 'Invalid Order'; } else { // Match attempt failed infiltrationResult = 'Infiltration Successfully Created'; } } }); When I add alert(infiltrationResult); right after it is assigned, I correctly see the string. However, after the function has exited, I have try the same alert and I get: undefined Any ideas what I'm doing wrong? I'm guessing it's some simple silly javascript synxtax I'm missing here :) G-Man

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• How is a relative JMP (x86) implemented in an Assembler?

  - by Pindatjuh

  While building my assembler for the x86 platform I encountered some problems with encoding the JMP instruction: enc inst size in bytes EB cb JMP rel8 2 E9 cw JMP rel16 4 (because of 0x66 16-bit prefix) E9 cd JMP rel32 5 ... (from my favourite x86 instruction website, http://siyobik.info/index.php?module=x86&id=147) All are relative jumps, where the size of each encoding (operation + operand) is in the third column. Now my original (and thus fault because of this) design reserved the maximum (5 bytes) space for each instruction. The operand is not yet known, because it's a jump to a yet unknown location. So I've implemented a "rewrite" mechanism, that rewrites the operands in the correct location in memory, if the location of the jump is known, and fills the rest with NOPs. This is a somewhat serious concern in tight-loops. Now my problem is with the following situation: b: XXX c: JMP a e: XXX ... XXX d: JMP b a: XXX (where XXX is any instruction, depending on the to-be assembled program) The problem is that I want the smallest possible encoding for a JMP instruction (and no NOP filling). I have to know the size of the instruction at c before I can calculate the relative distance between a and b for the operand at d. The same applies for the JMP at c: it needs to know the size of d before it can calculate the relative distance between e and a. How do existing assemblers implement this, or how would you implement this? This is what I am thinking which solves the problem: First encode all the instructions to opcodes between the JMP and it's target, and if this region contains a variable-sized opcode, use the maximum size, i.e. 5 for JMP. Then in some conditions, the JMP is oversized (because it may fit in a smaller encoding): so another pass will search for oversized JMPs, shrink them, and move all instructions ahead), and set absolute branching instructions (i.e. external CALLs) after this pass is completed. I wonder, perhaps this is an over-engineered solution, that's why I ask this question.

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• weird problem with load () or live () !!

  - by silversky

  I load a page with load () and then I create dinamically a tag. Then I use live() to bind a click event and fires a function. At the end a call unload (). The problem is that when I load the same page again ( without refresh ) when on click the function will be fired twice. If I exit again (again with unload ()) and load the page again on click will fire 3 times and so on .... A sample of my code is: $('#tab').click(function() { $('#formWrap').load('newPage.php'); }); $('div').after('<p class="ctr" ></p>'); $('p.ctr').live('click', function(e) { if($(e.target).is('[k=lf]')) { console.log ('one'); delete ($this); } else if .... }); function delete () { $.post( 'update.php', data); } I have other $.post inside on this page and also on the above live fnc and all work well. The above one also works but like I said on the second load will fire twice and the 3 times and so on ... The weird part for me is that if replece the console with console.log ('two'); save the page and load the page without refresh it will fire on a different rows - one two - if I unload the page replace the console with console.log ('three'); and load again will fire one two and three. I try to use: $.ajax({ url: 'updateDB.php', data: data, type: 'POST', cache:false }); $.ajaxSetup ({ cache: false }); header("Cache-Control: no-cache"); none of this it's working. And I have this problem only on this fnc. What do you think, it could be the reason, it remembers it remembers the previous action and it fires again?

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• How can i attached iphone image through mail in iphone

  - by Pugal Devan

  Hi, I am new to iphone development. I have created a button in the view. On clicking the button it loads the photolibrary from the Iphone. Now i want to attached the those selected image through mail. I donno how to attach the image in MFMailComposerView. How can i achieve this, Here my code is, -(IBAction) Pictures:(id)sender { self.imgpicker = [[UIImagePickerController alloc] init]; self.imgpicker.delegate = self; self.imgpicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; [self presentModalViewController:self.imgpicker animated:YES]; } - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)img1 editingInfo:(NSDictionary *)editInfo { [[picker parentViewController] dismissModalViewControllerAnimated:NO]; UIView *view = [[UIView alloc] init]; (This view for displaying the images) imageview = [[UIImageView alloc] initWithImage:img1]; [imageview setFrame:CGRectMake(0, 0, 320, 420)]; [self.view addSubview:imageview]; [view release]; UIBarButtonItem *rightbutton = [[UIBarButtonItem alloc] initWithTitle:@"Email" style:UIBarButtonItemStyleBordered target:self action:@selector(rightbutton)]; self.navigationItem.rightBarButtonItem = rightbutton; [rightbutton release]; } -(void) rightbutton { [self emailImage:(UIImage *)image];( how to pass the image to mail view) } - (void)emailImage:(UIImage *)image { picker = [[MFMailComposeViewController alloc] init]; picker.mailComposeDelegate = self; [picker setToRecipients:[NSArray arrayWithObjects:@"[email protected]",nil]]; NSData *data = UIImagePNGRepresentation(image); [picker addAttachmentData:data mimeType:@"image/png" fileName:@"iPod Library Image"]; [self presentModalViewController:picker animated:YES]; [picker release]; } Please help me out. Thanks.

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• How can i attached iphone image through MFMailComposerView in iphone

  - by Pugal Devan

  Hi, I am new to iphone development. I have created a button in the view. On clicking the button it loads the photolibrary from the Iphone. Now i want to attached the those selected image through mail. I donno how can i attached the image in MFMailComposerView. How can i achieve this, Here my code is, -(IBAction) Pictures:(id)sender { self.imgpicker = [[UIImagePickerController alloc] init]; self.imgpicker.delegate = self; self.imgpicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; [self presentModalViewController:self.imgpicker animated:YES]; } - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)img1 editingInfo:(NSDictionary *)editInfo { [[picker parentViewController] dismissModalViewControllerAnimated:NO]; UIView *view = [[UIView alloc] init]; (This view for displaying the images) **imageview** = [[UIImageView alloc] initWithImage:img1]; [imageview setFrame:CGRectMake(0, 0, 320, 420)]; [self.view addSubview:imageview]; [view release]; UIBarButtonItem *rightbutton = [[UIBarButtonItem alloc] initWithTitle:@"Email" style:UIBarButtonItemStyleBordered target:self action:@selector(rightbutton)]; self.navigationItem.rightBarButtonItem = rightbutton; [rightbutton release]; } -(void) rightbutton { ***[self emailImage:(UIImage *)image]***;(I donno how to pass the image instance to mail view) } - (void)emailImage:(UIImage *)image { picker = [[MFMailComposeViewController alloc] init]; picker.mailComposeDelegate = self; [picker setToRecipients:[NSArray arrayWithObjects:@"[email protected]",nil]]; NSData *data = UIImagePNGRepresentation(image); [picker addAttachmentData:data mimeType:@"image/png" fileName:@"iPod Library Image"]; [self presentModalViewController:picker animated:YES]; [picker release]; } Plese help me out. Thanks.

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• Open PDF Content files in ASP.NET MVC 2

  - by mcbingo

  I want to provide simple href links to my PDF forms that reside in my Forms folder. I have a created a simple Index.aspx and FormController Index action that simple iterates through the list of PDF files using my FormMetaData.xml file. The links get created just fine but when you click on the links I get a 404 exception. That looks like this: Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /Forms/ccindteamgolfform.pdf Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927 This seems like this should open up a new browser window with the PDF in it but perhaps I am making a bad assumption. The PDF content files have Build Action of Content and Copy to Output set to Copy Always. Here is an example output html for the link from my Index.aspx page: <span class="form"> <a href="Forms/ccindteamgolfform.pdf" target="_blank"> <span class="description">Entry Form</span></span> I must be missing something because this does not work. Do I need to add a MapRoute for these documents? Or am I missing something else with the routing? This seems like it should not be that difficult.

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• How do I reset a form in an ajax callback?

  - by B.Gordon

  I am sending a form using simple ajax and returning the results in a div above the form. The problem is that after the form is submitted and validated, I display a thank you and want to reset the form so they don't just press the submit button again... Can't seem to find the right code to do this... <form id="myForm" target="sendemail.php" method="post"> <div id="results"></div> <input type="text" name="value1"> <input type="text" name="value2"> <input type="submit" name="submit"> </form> So, my sendemail.php validation errors and success messages appear in #results without problems. But... when I try to send back a javascript form reset command, it does not work. Naturally I cannot see it in the source code since it is an AJAX callback so I don't know if that is the issue or if I am just using the wrong syntax. echo "<p>Thank you. Your message has been accepted for delivery.</p>"; echo "<script type=\"text/javascript\">setTimeout('document.getElementById('myForm').reset();',1000);</script>"; Any ideas gurus?

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• How can I randomly iterate through a large Range?

  - by void

  I would like to randomly iterate through a range. Each value will be visited only once and all values will eventually be visited. For example: class Array def shuffle ret = dup j = length i = 0 while j > 1 r = i + rand(j) ret[i], ret[r] = ret[r], ret[i] i += 1 j -= 1 end ret end end (0..9).to_a.shuffle.each{|x| f(x)} where f(x) is some function that operates on each value. A Fisher-Yates shuffle is used to efficiently provide random ordering. My problem is that shuffle needs to operate on an array, which is not cool because I am working with astronomically large numbers. Ruby will quickly consume a large amount of RAM trying to create a monstrous array. Imagine replacing (0..9) with (0..99**99). This is also why the following code will not work: tried = {} # store previous attempts bigint = 99**99 bigint.times { x = rand(bigint) redo if tried[x] tried[x] = true f(x) # some function } This code is very naive and quickly runs out of memory as tried obtains more entries. What sort of algorithm can accomplish what I am trying to do? [Edit1]: Why do I want to do this? I'm trying to exhaust the search space of a hash algorithm for a N-length input string looking for partial collisions. Each number I generate is equivalent to a unique input string, entropy and all. Basically, I'm "counting" using a custom alphabet. [Edit2]: This means that f(x) in the above examples is a method that generates a hash and compares it to a constant, target hash for partial collisions. I do not need to store the value of x after I call f(x) so memory should remain constant over time. [Edit3/4/5/6]: Further clarification/fixes.

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• Javascript Mouseover bubbling from children

  - by Nicky De Maeyer

  Ive got the following html setup: <div id="div1"> <div id="content1">blaat</div> <div id="content1">blaat2</div> </div> it is styled so you can NOT hover div1 without hovering one of the other 2 divs. Now i've got a mouseout on div1. The problem is that my div1.mouseout gets triggered when i move from content1 to content2, because their mouseouts are bubbling. and the event's target, currentTarget or relatedTarget properties are never div1, since it is never hovered directly... I've been searching mad for this, but I can only find articles and solutions for problems who are the reverse of what I need. It seems trivial but I can't get it to work... The mouseout of div1 should ONLY get triggered when the mouse leaves div1. One of the possibilities would be to set some data on mouse enter and mouseleave, but I'm convinced this should work out of the box, since it is just a mouseout... EDIT: bar.mouseleave(function(e) { if ($(e.currentTarget).attr('id') == bar.attr('id')) { bar.css('top', '-'+contentOuterHeight+'px'); $('#floatable-bar #floatable-bar-tabs span').removeClass('active'); } }); changed the mouseout to mouseleave and the code worked...

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• Can I programmatically add a linkbutton to gridview?

  - by pschorf

  I've been looking through some similar questions without any luck. What I'd like to do is have a gridview which for certain items shows a linkbutton and for other items shows a hyperlink. This is the code I currently have: public void gv_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { var data = (FileDirectoryInfo)e.Row.DataItem; var img = new System.Web.UI.HtmlControls.HtmlImage(); if (data.Length == null) { img.Src = "/images/folder.jpg"; var lnk = new LinkButton(); lnk.ID = "lnkFolder"; lnk.Text = data.Name; lnk.Command += new CommandEventHandler(changeFolder_OnCommand); lnk.CommandArgument = data.Name; e.Row.Cells[0].Controls.Add(lnk); } else { var lnk = new HyperLink(); lnk.Text = data.Name; lnk.Target = "_blank"; lnk.NavigateUrl = getLink(data.Name); e.Row.Cells[0].Controls.Add(lnk); img.Src = "/images/file.jpg"; } e.Row.Cells[0].Controls.AddAt(0, img); } } where the first cell is a TemplateField. Currently, everything displays correctly, but the linkbuttons don't raise the Command event handler, and all of the controls disappear on postback. Any ideas?

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• Is there a library that can decompile a method into an Expression tree, with support for CLR 4.0?

  - by Daniel Earwicker

  Previous questions have asked if it is possible to turn compiled delegates into expression trees, for example: http://stackoverflow.com/questions/767733/converting-a-net-funct-to-a-net-expressionfunct The sane answers at the time were: It's possible, but very hard and there's no standard library solution. Use Reflector! But fortunately there are some greatly-insane/insanely-great people out there who like reverse engineering things, and they make difficult things easy for the rest of us. Clearly it is possible to decompile IL to C#, as Reflector does it, and so you could in principle instead target CLR 4.0 expression trees with support for all statement types. This is interesting because it wouldn't matter if the compiler's built-in special support for Expression<> lambdas is never extended to support building statement expression trees in the compiler. A library solution could fill the gap. We would then have a high-level starting point for writing aspect-like manipulations of code without having to mess with raw IL. As noted in the answers to the above linked question, there are some promising signs but I haven't succeeded in finding if there's been much progress since by searching. So has anyone finished this job, or got very far with it? Note: CLR 4.0 is now released. Time for another look-see.

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• Could not load file or assembly System.EnterpriseServices

  - by Nifle

  I'm trying to read up on asp.net mvc, I have never used asp.net before but are familiar with regular c# development. Freshly installed, fully patched Windows XP Home. Freshly installed updated to SP1 Visual Studio 2008 Pro. Started a new project, selected "ASP.NET MVC Web Application", target framework is 3.5 I hit F5 and I get: "Could not load file or assembly System.EnterpriseServices" Exact wording in swedish: [FileNotFoundException: Det går inte att hitta filen. (Undantag från HRESULT: 0x80070002)] [FileNotFoundException: Det går inte att läsa in filen eller sammansättningen System.EnterpriseServices, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a eller ett av dess beroenden. Det går inte att hitta filen.] Adding a reference to System.EnterpriseServices in my project did not work. A quick google suggested I copy this file Microsoft.NET/Framework/v2.0.50727/System.EnterpriseServices.dll into %WINDOWS%/assembly but that did not work either. Any suggestions? Found the answer, I added it to the GAC with gacutil. C:\WINDOWS"C:\Program\Microsoft SDKs\Windows\v6.0A\bin\gacutil.exe" /i Microsoft.NET/Framework/v2.0.50727/System.EnterpriseServices.dll

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