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• Will search engines reindex a page that has been set to redirect on to a newer site page?

  - by Luke Duddridge

  We were asked by a client to change a website so that any pages/Urls we were hosting on an older site would now redirect to a newer site hosted somewhere else and a different domain name to boot. We did this by changing each page in the IIS site management, to redirect to a url on their new domain instead of rendering a page locally. According to the redirect tool here: http://www.webconfs.com/redirect-check.php . What we have done is search engine friendly. Problem now is... the client has been on a course learning all about meta tags and so thinks they have a better understanding of the "matrix" (remember there is no spoon). As Google still has the older site appearing in a search, this isnt helping matters. I have tried to explain, we have to wait for Google to reindex. I'm not blowing smoke am I? I'm now starting to wonder... will the older site always appear in a search, even though the pages don't exist? Is there a better way I should be redirecting their site to ensure google will stop keeping an index of pages that no longer exist and would instead replace them with the content in the newer site? a suggestion on the site mentioned above is to use the code: Response.Status="301 Moved Permanently" Response.AddHeader "Location","http://www.new-url.com/" Does using the option in the IIS management tool to redirect the url not do the same?

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• How to handle editing a large file for a non-technical user

  - by Luke

  I have a client who is given a tab delimited .txt file containing hundreds of thousands of rows. I have a user story as follows: As a user I want to take the text file and add a new value at the end of each line which contains the concatenated value of two of the columns. for example if the file read text_one text_two I need to output the following (preferably to a .txt file) text_one text_two text_onetext_two My first approach was to ask the vendor supplying the file to do the concatenation before providing the file, the easiest way to solve a problem is to eliminate it right? however they are very uncooperative and have point blank refused. I've looked at building a simple javascript application that does this client side so a non-technical user could select the file using a file selector. This approach has a few problems The file could be over a GB in size and so can't be loaded straight into memory, I've tried and the browser crashes There is no means to write a file in javascript so I'd need to output the content to the screen and have the user save it (somehow) I was thinking if I could get around the filesize limitations I could just output the edited content to the page and have the user save the page as a .txt file, however I think there is a better way than using javascript that will still accommodate the users lack of technical know-how. Please consider this question to be stack agnostic, but bear in mind that a nice little shell script or python script would be deemed unsuitable for a non technical user unless there is a way of "packaging" it nicely for a non-technical user. Updates The file is too large to open in excel. The process needs to be run weekly, but it doesn't require scheduling or automation...(yet)

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• Who can change the View in MVC?

  - by Luke

  I'm working on a thick client graph displaying and manipulation application. I'm trying to apply the MVC pattern to our 3D visualization component. Here is what I have for the Model, View, and Controller: Model - The graph and it's metadata. This includes vertices, edges, and the attributes of each. It does not contain position information, icons, colors, or anything display related. View - This would commonly be called a scene graph. It includes the 3D display information, texture information, color information, and anything else that is related specifically to the visualization of the model. Controller - The controller takes the view and displays it in a Window using OpenGL (but it could potentially be any 3D graphics package). The application has various "layouts" that change the position of the vertices in the display. For instance, one layout may arrange the vertices in a circle. Is it common for these layouts to access and change the view directly? Should they go through the Controller to access the View? If they go through the Controller, should they just ask for direct access to the View or should each change go through the controller? I realize this is a bit different from the standard MVC example where there a finite number of Views. In this case, the View can change in an infinite number of ways. Perhaps I'm shattering some basic principle of MVC here. Thanks in advance!

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• Different iPhone screen resolutions and game graphics

  - by Luke

  We are developing a 2D game for iPhone using cocos2d-x. The artists are drawing the raster graphic for a resoluion of 640x960. For older iPhone devices, those that have a resolution of 320x480, should we provide a completely new set of graphics, to be adapted to the smaller resolution? I was thinking of simply scaling the whole scene of a factor of 2. That would save us the time to write a specific set of graphic elements for the smaller resolution. What is the best practices? How do you guys handle the different screen resolution w.r.t. the graphic part of the game?

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• VCS strategy with TeamCity and CI

  - by Luke Puplett

  I'm planning a strategy which seeks to allow automated deployment of a website codebase into QA and production on check-in. We're using the fabulous TeamCity. We want to control release to live production; i.e. not have every check-in on Trunk go live. So my plan is to use Trunk as QA. Committing to Trunk triggers deployment to QA. I will then have a Production branch which also triggers deployment on commit, to the live site. The idea is simply that Trunk represents the mainline codebase but it hasn't gone live yet. We can branch features and do daily pulls from Trunk into those feature branches as per normal and merge/re-integrate into Trunk when we're happy for it to go to QA. When the BAs give the nod, we then smash a bottle of champagne and merge Trunk to Production and out she goes. I've never seen it done like this. Other greenfield CI strategies involve hiding features and code from production via config - this codebase can't cope with that - or just having CI on QA and taking cuts and manually pushing to live. Does my plan sound alright?

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• How can I make permanent death in a MUD seem acceptable and fair to players?

  - by Luke Laupheimer

  I have considered writing a MUD for years, and I have a lot of ideas my friends think are really cool (and that's how I'd hope to get anywhere -- word of mouth). Thing is, there's one thing I have always wanted, that my friends and strangers hated: permanent death. Now, the emotional response I get to this is visceral revulsion, every time. I'm pretty sure I am the only person that wants this, or if I'm not, I'm a tiny minority. Now, the reason I want it is because I want the actions of the players to matter. Unlike a lot of other MUDs, which have a set of static city-states and social institutions etc, I want the things my players do, should I get any, to actually change the situation. And that includes killing people. If you kill someone, you didn't send them to time out, you killed them. What happens when you kill people? They go away. They don't come back in half an hour to smack talk you some more. They're gone. Forever. By making death non-permanent, you make death not matter. It would be similar if a climax to a character's arc is getting a speeding ticket. It cheapens it. Non-permanent death cheapens death. How can I: 1) Convince my players (and random people!) that this is actually a good idea?, or 2) Find some other way to make death and violence matter as much as it does in real life (except within the game, of course) sans character deletion? What alternatives are there out there?

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• The idea of functionN in Scala / Functionaljava

  - by Luke Murphy

  From brain driven development It turns out, that every Function you’ll ever define in Scala, will become an instance of an Implementation which will feature a certain Function Trait. There is a whole bunch of that Function Traits, ranging from Function1 up to Function22. Since Functions are Objects in Scala and Scala is a statically typed language, it has to provide an appropriate type for every Function which comes with a different number of arguments. If you define a Function with two arguments, the compiler picks Function2 as the underlying type. Also, from Michael Froh's blog You need to make FunctionN classes for each number of parameters that you want? Yes, but you define the classes once and then you use them forever, or ideally they're already defined in a library (e.g. Functional Java defines classes F, F2, ..., F8, and the Scala standard library defines classes Function1, ..., Function22) So we have a list of function traits (Scala), and a list of interfaces (Functional-java) to enable us to have first class funtions. I am trying to understand exactly why this is the case. I know, in Java for example, when I write a method say, public int add(int a, int b){ return a + b; } That I cannot go ahead and write add(3,4,5); ( error would be something like : method add cannot be applied to give types ) We simply have to define an interface/trait for functions with different parameters, because of static typing?

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• How to repeat a POST request using Chrome's developer tools?

  - by Luke The Obscure

  Not sure if this is the right stack exchange to ask this, but here goes... I'm trying to wean myself off of Firebug, which has served me very well for a lot of years. One feature that seems to be missing in Chrome's dev tools is the ability to repeat an AJAX POST. In firebug I can right click on the request in the console and hit "Open in new tab" and the request is repeated exactly as it was originally sent. In Chrome, the same action just does a normal GET on the link, without any of the post data. Is there any way to repeat an AJAX POST in Chrome's dev tools?

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• Lost desktop settings in KDE

  - by Luke

  After next unsuccessful attempt to install ATI fglrx drivers, when I also changed GRUB config a bit (GRUB_CMDLINE_LINUX_DEFAULT="radeon.modeset=0 and GRUB_CMDLINE_LINUX="nomodeset"). When I restored everything to default (uninstalled fglrx, restored default values in GRUB config and xorg.conf) KDE logged me into completely new desktop, with (I suppose) default configuration. Is there a way to restore my previous desktop settings? What could be the cause? SOLVED: Something was messed out with display settings. Search for 'Display Configuration' and there deselect one display. Or is there a better option?

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• Black screen white cursor and can't boot from live disc that I installed from just yesterday (Ubuntu 12.04)

  - by Luke

  So, I've decided to change to Ubuntu from Windows 7 after reformatting. Install goes smoothly, I've set everything up, and it works for a day. It crashed when I had a full screen video, froze, so I rebooted, and now I can't get past the black screen with flashing white underscore cursor. If I wait a while, I get "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press any key" I've tried that, removed any boot options but the DVD drive, even tried my Windows 7 boot CD as well. Nothing boots, so I can't do anything. This is on an Asus A52N laptop, and all I can access now is the BIOS (version K52N 217), as far as I can tell.

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• Structure of a Git repository

  - by Luke Puplett

  Sorry if this is a duplicate, I looked. We're moving to Git. In Subversion, I'm used to having \trunk, \branches and \tags folders. With Git, switching between branches will replace the contents of the working directory, so am I right to assume that the way we used to work just doesn't apply with Git? My guess is that I'd have a repo folder with maybe a gitignore and readme.txt, then the folders for the projects that make up the repo, and that's it.

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• Starting application in same window with XFCE4 Terminal and i3

  - by Luke

  Since recently I'm enjoying the i3 tiled window manager. I did install the XFCE4 Terminal since it gives greater control over my terminal look and feel however but I have noticed an issue with starting GUI based applications. When I execute a GUI based application I want it take over the current terminal window. To do this I use exec, as in: exec eclipse This will open a new window and leave the terminal I started the application in open as well. In normal circumstances this is not much of a problem since I can easily do an Alt-W on the GUI app's window. However, for some applications, like a file manager, it is necessary to open in the same window. How can I make GUI application open in the same window rather than opening a new one?

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• Game engine lib and editor

  - by luke

  I would like to know the best way/best practice to handle the following situation. Suppose the project you are working on is split in two sub-projects: game engine lib editor gui. Now, you have a method bool Method( const MethodParams &params ) that will be called during game-level initialization. So it is a method belonging to the game engine lib. Now, the parameters of this method, passed as a reference the structure MethodParams can be decided via the editor, in the level design phase. Suppose the structure is the following: enum Enum1 { E1_VAL1, E1_VAL2, }; enum Enum2 { E2_VAL1, E2_VAL2, E2_VAL3, }; struct MethodParams { float value; Enum1 e1; Enum2 e2; // some other member } The editor should present a dialog that will let the user set the MethodParams struct. A text control for the field value. Furthermore, the editor needs to let the user set the fields e1 and e2 using, for example, two combo boxes (a combo box is a window control that has a list of choices). Obviously, every enum should be mapped to a string, so the user can make an informed selection (i have used E1_VAL1 etc.., but normally the enum would be more meaningful). One could even want to map every enum to a string more informative (E1_VAL1 to "Image union algorithm", E1_VAL2 to "Image intersection algorithm" and so on...). The editor will include all the relevant game egine lib files (.h etc...), but this mapping is not automatic and i am confused on how to handle it in a way that, if in future i add E1_VAL3 and E1_VAL4, the code change will be minimal.

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• Mouse click firing twice

  - by Luke

  I have recently switched to XUbuntu (14.04) and I have noticed that sometimes a mouse click is fired twice. E.g. I CTRL click a link and two tabs with the same content are opened in my browser. It's not behaviour I can reproduce consistently and seems to be random (to me). I also don't know of a good way to inspect the behaviour properly for debugging purposes. I have checked the double click time setting but this doesn't seem to have any impact on this. I also run XUbuntu (13.10) in a VM on my MacBook Air and this behaviour seems to absent there. At this point in time I can't really tell if this is related to the distribution or the fact that it runs in a VM. Any insights greatly appreciated.

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• Implementing Camera Zoom in a 2D Engine

  - by Luke

  I'm currently trying to implement camera scaling/zoom in my 2D Engine. Normally I calculate the Sprite's drawing size and position similar to this pseudo code: render() { var x = sprite.x; var y = sprite.y; var sizeX = sprite.width * sprite.scaleX; // width of the sprite on the screen var sizeY = sprite.height * sprite.scaleY; // height of the sprite on the screen } To implement the scaling i changed the code to this: class Camera { var scaleX; var scaleY; var zoom; var finalScaleX; // = scaleX * zoom var finalScaleY; // = scaleY * zoom } render() { var x = sprite.x * Camera.finalScaleX; var y = sprite.y * Camera.finalScaleY; var sizeX = sprite.width * sprite.scaleX * Camera.finalScaleX; var sizeY = sprite.height * sprite.scaleY * Camera.finalScaleY; } The problem is that when the zoom is smaller than 1.0 all sprites are moved toward the top-left corner of the screen. This is expected when looking at the code but i want the camera to zoom on the center of the screen. Any tips on how to do that are welcome. :)

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• Using foldr to append two lists together (Haskell)

  - by Luke Murphy

  I have been given the following question as part of a college assignment. Due to the module being very short, we are using only a subset of Haskell, without any of the syntactic sugar or idiomatic shortcuts....I must write: append xs ys : The list formed by joining the lists xs and ys, in that order append (5:8:3:[]) (4:7:[]) => 5:8:3:4:7:[] I understand the concept of how foldr works, but I am only starting off in Functional programming. I managed to write the following working solution (hidden for the benefit of others in my class...) : However, I just can't for the life of me, explain what the hell is going on!? I wrote it by just fiddling around in the interpreter, for example, the following line : foldr (\x -> \y -> x:y) [] (2:3:4:[]) which returned [2:3:4] , which led me to try, foldr (\x -> \y -> x:y) (2:3:4:[]) (5:6:7:[]) which returned [5,6,7,2,3,4] so I worked it out from there. I came to the correct solution through guess work and a bit of luck... I am working from the following definition of foldr: foldr = \f -> \s -> \xs -> if null xs then s else f (head xs) (foldr f s (tail xs) ) Can someone baby step me through my correct solution? I can't seem to get it....I already have scoured the web, and also read a bunch of SE threads, such as How foldr works

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• Protecting a webpage with an authentication form

  - by Luke

  I have created an employee webpage with a lot of company info, links, etc., but I want to protect the page because it contains some confidential company information. I am running IIS7.5 on Windows Server 2008 R2, and I already have the site setup as a normal, non-protected site. I want all active directory users to have access to the site. This is not an intranet site, it is exposed to the internet. I tried setting it up using Windows Authentication, but I had problems with multiple login prompts, etc. I just want a simple form for users to enter their credentials and have access to the site, and I need it to query the AD for login. I've searched the web for a guide on this, but I can't seem to find one that fits my situation. This is not a Web App. It is just a simple html site. Does anyone have any suggestions or a link to a guide on this? Thanks so much! -LB

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• What techniques can I use to render very large numbers of objects more efficiently in OpenGL?

  - by Luke

  You can think of my application as drawing a very large ball-and-stick diagram (or graph). At times, this graph can get very large, where the number of elements even outnumbers the pixels on the screen. Currently I am simply passing all of my textures (as GL_POINTS) and lines to the graphics card using VBO's. When the number of elements outnumbers the number of pixels, is this the most efficient way to do this? Or should I do some calculations on the CPU side before handing everything over to the GPU? If it matters, I do use GL_DEPTH_TEST and GL_ALPHA_TEST. I do some alpha blending, but probably not enough to make a huge performance difference. My scene can be static at times, but the user has control over a typical arc-ball camera and can pan, rotate, or zoom. It is during these operations that performance degradation is noticeable.

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• RSA Encrypt / Decrypt Problem in .NET

  - by Brendon Randall

  I'm having a problem with C# encrypting and decrypting using RSA. I have developed a web service that will be sent sensitive financial information and transactions. What I would like to be able to do is on the client side, Encrypt the certain fields using the clients RSA Private key, once it has reached my service it will decrypt with the clients public key. At the moment I keep getting a "The data to be decrypted exceeds the maximum for this modulus of 128 bytes." exception. I have not dealt much with C# RSA cryptography so any help would be greatly appreciated. This is the method i am using to generate the keys private void buttonGenerate_Click(object sender, EventArgs e) { string secretKey = RandomString(12, true); CspParameters param = new CspParameters(); param.Flags = CspProviderFlags.UseMachineKeyStore; SecureString secureString = new SecureString(); byte[] stringBytes = Encoding.ASCII.GetBytes(secretKey); for (int i = 0; i < stringBytes.Length; i++) { secureString.AppendChar((char)stringBytes[i]); } secureString.MakeReadOnly(); param.KeyPassword = secureString; RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider(param); rsaProvider = (RSACryptoServiceProvider)RSACryptoServiceProvider.Create(); rsaProvider.KeySize = 1024; string publicKey = rsaProvider.ToXmlString(false); string privateKey = rsaProvider.ToXmlString(true); Repository.RSA_XML_PRIVATE_KEY = privateKey; Repository.RSA_XML_PUBLIC_KEY = publicKey; textBoxRsaPrivate.Text = Repository.RSA_XML_PRIVATE_KEY; textBoxRsaPublic.Text = Repository.RSA_XML_PUBLIC_KEY; MessageBox.Show("Please note, when generating keys you must sign on to the gateway\n" + " to exhange keys otherwise transactions will fail", "Key Exchange", MessageBoxButtons.OK, MessageBoxIcon.Information); } Once i have generated the keys, i send the public key to the web service which stores it as an XML file. Now i decided to test this so here is my method to encrypt a string public static string RsaEncrypt(string dataToEncrypt) { string rsaPrivate = RSA_XML_PRIVATE_KEY; CspParameters csp = new CspParameters(); csp.Flags = CspProviderFlags.UseMachineKeyStore; RSACryptoServiceProvider provider = new RSACryptoServiceProvider(csp); provider.FromXmlString(rsaPrivate); ASCIIEncoding enc = new ASCIIEncoding(); int numOfChars = enc.GetByteCount(dataToEncrypt); byte[] tempArray = enc.GetBytes(dataToEncrypt); byte[] result = provider.Encrypt(tempArray, true); string resultString = Convert.ToBase64String(result); Console.WriteLine("Encrypted : " + resultString); return resultString; } I do get what seems to be an encrypted value. In the test crypto web method that i created, i then take this encrypted data, try and decrypt the data using the clients public key and send this back in the clear. But this is where the exception is thrown. Here is my method responsible for this. public string DecryptRSA(string data, string merchantId) { string clearData = null; try { CspParameters param = new CspParameters(); param.Flags = CspProviderFlags.UseMachineKeyStore; RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider(param); string merchantRsaPublic = GetXmlRsaKey(merchantId); rsaProvider.FromXmlString(merchantRsaPublic); byte[] asciiString = Encoding.ASCII.GetBytes(data); byte[] decryptedData = rsaProvider.Decrypt(asciiString, false); clearData = Convert.ToString(decryptedData); } catch (CryptographicException ex) { Log.Error("A cryptographic error occured trying to decrypt a value for " + merchantId, ex); } return clearData; } If anyone could help me that would be awesome, as i have said i have not done much with C# RSA encryption/decryption.

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• Seeking Functional Programming Lexicon

  - by Randall Schulz

  Hi, Knowing the argot of a field helps me a lot, especially since it allows me to converse intelligently with those who know a lot more than I, so I would like to find a good lexicon of Functional Programming terms. E.g., I repeatedly encounter these: Functor, Arrow, Category, Kleisli, Monad, Monoid, a veritable zoo of Morphisms, etc. I also notice many of these appear with prefixes such as "covariant", "co-", "endo-" etc. Of these, I can say I actually understand Monoid and Covariant and sort of get Monad, but the rest are still gibberish to me. (Note that I don't mean this list as exhaustive and I'm not looking to have these defined or described for me here, I'm looking for learning resources.) Can someone point me towards an FP lexicon? It need not be on-line, as long as it's possible to find it (and it's not a rare volume for which I'd have to pay many tens of dollars).

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• C# RSA Encrypt / Decrypt Problem

  - by Brendon Randall

  Hi All, Im having a problem with C# encrypting and decrypting using RSA. I have developed a web service that will be sent sensitive financial information and transactions. What I would like to be able to do is on the client side, Encrypt the certain fields using the clients RSA Private key, once it has reached my service it will decrypt with the clients public key. At the moment I keep getting a "The data to be decrypted exceeds the maximum for this modulus of 128 bytes." exception. I have not dealt much with C# RSA cryptography so any help would be greatly appreciated. This is the method i am using to generate the keys private void buttonGenerate_Click(object sender, EventArgs e) { string secretKey = RandomString(12, true); CspParameters param = new CspParameters(); param.Flags = CspProviderFlags.UseMachineKeyStore; SecureString secureString = new SecureString(); byte[] stringBytes = Encoding.ASCII.GetBytes(secretKey); for (int i = 0; i < stringBytes.Length; i++) { secureString.AppendChar((char)stringBytes[i]); } secureString.MakeReadOnly(); param.KeyPassword = secureString; RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider(param); rsaProvider = (RSACryptoServiceProvider)RSACryptoServiceProvider.Create(); rsaProvider.KeySize = 1024; string publicKey = rsaProvider.ToXmlString(false); string privateKey = rsaProvider.ToXmlString(true); Repository.RSA_XML_PRIVATE_KEY = privateKey; Repository.RSA_XML_PUBLIC_KEY = publicKey; textBoxRsaPrivate.Text = Repository.RSA_XML_PRIVATE_KEY; textBoxRsaPublic.Text = Repository.RSA_XML_PUBLIC_KEY; MessageBox.Show("Please note, when generating keys you must sign on to the gateway\n" + " to exhange keys otherwise transactions will fail", "Key Exchange", MessageBoxButtons.OK, MessageBoxIcon.Information); } Once i have generated the keys, i send the public key to the web service which stores it as an XML file. Now i decided to test this so here is my method to encrypt a string public static string RsaEncrypt(string dataToEncrypt) { string rsaPrivate = RSA_XML_PRIVATE_KEY; CspParameters csp = new CspParameters(); csp.Flags = CspProviderFlags.UseMachineKeyStore; RSACryptoServiceProvider provider = new RSACryptoServiceProvider(csp); provider.FromXmlString(rsaPrivate); ASCIIEncoding enc = new ASCIIEncoding(); int numOfChars = enc.GetByteCount(dataToEncrypt); byte[] tempArray = enc.GetBytes(dataToEncrypt); byte[] result = provider.Encrypt(tempArray, true); string resultString = Convert.ToBase64String(result); Console.WriteLine("Encrypted : " + resultString); return resultString; } I do get what seems to be an encrypted value. In the test crypto web method that i created, i then take this encrypted data, try and decrypt the data using the clients public key and send this back in the clear. But this is where the exception is thrown. Here is my method responsible for this. public string DecryptRSA(string data, string merchantId) { string clearData = null; try { CspParameters param = new CspParameters(); param.Flags = CspProviderFlags.UseMachineKeyStore; RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider(param); string merchantRsaPublic = GetXmlRsaKey(merchantId); rsaProvider.FromXmlString(merchantRsaPublic); byte[] asciiString = Encoding.ASCII.GetBytes(data); byte[] decryptedData = rsaProvider.Decrypt(asciiString, false); clearData = Convert.ToString(decryptedData); } catch (CryptographicException ex) { Log.Error("A cryptographic error occured trying to decrypt a value for " + merchantId, ex); } return clearData; If anyone could help me that would be awesome, as i have said i have not done much with C# RSA encryption/decryption. Thanks in advance

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• How to get java to recognize symbolic links under cygwin

  - by Keith Randall

  Here's a very simple java program to print the first line of a file: import java.io.* public class test { public static void main(String[] args) throws IOException { System.out.print(new BufferedReader(new FileReader(args[0])).readLine()); } } When I run this program under cygwin and pass it the name of a symbolic link, it prints the contents of the symbolic link, not the target of that link: $ echo foo > testfile $ ln -s testfile symlink_to_testfile $ java test testfile foo $ java test symlink_to_testfile !<symlink> ?t e s t f i l e How do I convince java to follow the symlink? I was hoping there was something simpler than implementing the redirect myself.

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• How to update a table row with save button using .ajax

  - by Randall

  I have a table which has one row and only one cell will be editable. I have accomplished this with the following code. $("td#effEndDate").click(function() { if (!$(this).hasClass("edit")) { var value = jQuery.trim($(this).html()); $(this).html("<input id=\"txtEdit\" type=\"text\" value=\"" + value + "\" />"); $(this).addClass("edit"); $("#txtEdit").focus(); } }); Now this is the part where i'm stuck. After the field is updated a save button must be clicked to call the proper .ajax method to update the database. But how can I compare the previous value to the current value on a button press? Since i'm not using the onblur property where I could have saved the old value and passed it to the update function.

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• How to make controls "tabable" when loaded from plugin in Cocoa app?

  - by Randall

  I have an application thad loads in plugins that have their own UI. There is an IBOutlet called ContainerView in my AppDelegate. When the plugin loads, it puts its own view (that is stored in a xib in the plugin bundle) into the Container view like so [ContainerView addSubview:viewFromPlugin]; When the view loads, everything is fine but when I press tab the only controls that get any focus are ones outside of the ContainerView and none of them inside it get focus. I've tried setting the container view as the initialFirstResponder and I've tried hooking up the nextKeyView from the last button in the tab order to the ContainerView. Thanks.

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• POSTing JSON data to WCF REST

  - by Randall Sexton

  I'm trying to send data from a client application using jQuery to a REST WCF service based on the WCF REST starter kit. Here's what I have so far. Service Definition: [WebHelp(Comment = "Save PropertyValues to the database")] [WebInvoke(Method = "POST", UriTemplate = "PropertyValues_Save", BodyStyle = WebMessageBodyStyle.WrappedRequest, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] [OperationContract] public bool PropertyValues_Save(Guid assetId, Dictionary<Guid, string> newValues) { ... } Call from the client: $.ajax({ url:SVC_PROPERTYVALUES_SAVE, type: "POST", contentType: "application/json; charset=utf-8", data: jsonData, dataType: "json", error: function(XMLHttpRequest, textStatus, errorThrown) { alert(textStatus + ' ' + errorThrown); }, success: function(data) { if (data) { alert('Values saved'); $("#confirmSubmit").dialog('close'); } else { alert('Values failed to save'); $("#confirmSubmit").dialog('close'); } } }); Example of the JSON being passed: { "assetId": "d70714c3-e403-4cc5-b8a9-9713d05b2ee0", "newValues": [ { "key": "bd01aa88-b48d-47c7-8d3f-eadf47a46680", "value": "0e9fdf34-2d12-4639-8d70-19b88e753ab1" }, { "key": "06e8eda2-a004-450e-90ab-64df357013cf", "value": "1d490aec-f40e-47d5-865c-07fe9624f955" } ] } I'm using Windows Authentication on the virtual directory. When I call operations that are GETs, everything is fine. This code is prompting the browser to log in. When I enter my credentials, I simply get an alert in my browser which says "error undefined". Even if you can't help my specific error, do you see anything that looks wrong from glancing? I've been beating my head on this nearly all day. Thanks in advance.

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