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• ExceptionPolicy.HandleException does not install Event Source for Logging in Registry if XBAP run ou

  - by Neo

  I am using the Logging Application Block (of Microsoft Enterprise Library) to log exceptions in the Event Viewer that occur in my WPF XBAP application. If I run the XBAP in the debugger from Visual Studio, an Event Source entry for my application is automatically created in the Registry at: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MyApp This occurs at the point ExceptionPolicy.HandleException() is called. However, if I run the XBAP outside of the IDE directly from the file system or from its published location, the Registry entry isn't added. Therefore, no logging takes place. I can only assume this is a security issue with running XBAP applications and they do not have access to write to the Registry. Is this a setting within my project? Any idea on why this might be happening? Any help much appreciated.

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• Getting into a technology which requires experience when you have no experience

  - by dotnetdev

  It seems that Sharepoint is a technology which is very hard to get into. All the jobs in this tech require experience in working with it (Eg 2 years development experience in MOSS). If I wanted to get into this - but had no job that used the tech, how can I get experience in it to get an experienced job? Jobs state you need "2 years professional experience in MOSS 2007" but then if you have never done it, you won't get the job. The only possible way is you will be doing this at home and not in a team, but if you work in the mean time, that will negate this (it's not like teamworking is tech specific). Many people think if you decide to make a project at home you're just going to play about aimlessly rather than work to specs (where as in my current situation it's vice versa) but if you're dedicated, like me, you would write them - just not with the same presentation. Would employers treat experience at home as professional experience? Biztalk is another prime example of this. Thanks

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• Just quick: How do you call a mutator from within a constructor in the same class?

  - by Blockhead

  For a homework assignment the instructions state (within Undergrad class): You do NOT need to include a default constructor, but you must write a full parameterized constructor (it takes 4 arguments) -- this constructor calls the parent class parameterized constructor and the mutator for year level. Because Undergrad extends Student, then Student is my parent class, right? I just can't quite figure out how I'm to use my year level mutator (which is just the simplest of methods) to assign my "year" attribute. public void setYear(int inYear) { year = inYear; } public Student(String inName, String inID, int inCredits) { name = inName; id = inID; credits = inCredits; } public Undergrad(String inName, String inID, int inCredits,int inYear) { super(inName, inID, inCredits); year = inYear; } I keep missing assignments because I spend too much time on these small specific points of the homework so just asking for a little help. I swear it's the wording that throws me off on these assignments almost as often as just learning the material itself.

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• Bazaar (bzr) predefined locations

  - by mkotechno

  Bazaar has a Launchpad pseudo-protocol (lp:) that able the user to operate in remote branchs without write full Launchpad location, I'm searching a way to create my own pseudo-protocols in a way like this (similar to GIT): bzr remote my sftp://[email protected]/home/myuser/myrepo/ bzr push my:mybranch bzr push my:otherbranch bzr push my:anotherbranch ...instead of... bzr push sftp://[email protected]/home/myuser/myrepo/mybranch bzr push sftp://[email protected]/home/myuser/myrepo/otherbranch bzr push sftp://[email protected]/home/myuser/myrepo/anotherbranch ...that is a pain in the ass. I readed about bazaar.conf but it seems only able you to set a globals push locations for each branch/repo. Another way I saw is to use alias, but has the same problem, is very ugly when is needed to create new branches. Is posible to do this without modify the BZR code? This should be obvious...

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• Is it possible to share a C struct in shared memory between apps compiled with different compilers?

  - by Joseph Garvin

  I realize that in general the C and C++ standards gives compiler writers a lot of latitude. But in particular it guarantees that POD types like C struct members have to be laid out in memory the same order that they're listed in the structs definition, and most compilers provide extensions letting you fix the alignment of members. So if you had a header that defined a struct and manually specified the alignment of its members, then compiled two apps with different compilers using the header, shouldn't one app be able to write an instance of the struct into shared memory and the other app be able to read it without errors? I am assuming though that the size of the types contained is consistent across two compilers on the same architecture (it has to be the same platform already since we're talking about shared memory). I realize that this is not always true for some types (e.g. long vs. long long in GCC and MSVC 64-bit) but nowadays there are uint16_t, uint32_t, etc. types, and float and double are specified by IEEE standards.

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• Parsing SGF files in C#

  - by mafutrct

  The text-based Smart Game Format has become the sole file format for exchanging Go game records by now. I stared with disbelieve that there are almost no parsers available. Google yielded a few results in antique Java and Python, but no modern implementations. I am curious if I have to write my own parser. Do you know of a modern implementation in C# or Java? In case there really are no parsers available, how should I implement one? Are there general guidelines or tools (in a C# environment) I should know of? This is an example file: (;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[19]KM[6.50] PW[White]PB[Black] ;B[pd] ;W[dc] ;B[dq] ;W[pp] ;B[ce] (;W[ed] ;B[ci] ;W[kc]) (;W[do] ;B[dl] ;W[gp] ;B[eo] ;W[en] ;B[fo]))

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• A report writer for non-programmers?

  - by Earlz

  Hello, we are wanting for users to be able to write their own reports in our application. It is a web application. We don't care if they must download an application in order to create reports, but we need for them to be able to print off reports from the web in PDF format or similar. The report writer is to be used by non-programmers, or at best very light programmers(like the ones that make VBA macros and such). (the writer is not a core part of the program though. So if there is a learning curve, then that is acceptable to a certain extent) We were looking at Crystal Reports but it seems like it'll cost $7000 which is just way too much for right now(though our system is very flexible so could support it eventually). We are also looking at Fast Reports which seems pretty promising, but I'm not sure the report writer would be easy for non-programmers to grasp. Can someone recommend a good report writer for non programmers that won't break the bank?

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• PowerPoint record slide show function accessible through Interop with C#

  - by dwperrin

  I am currently trying to write an addin for PowerPoint that whenever any PowerPoint document is opened and then run in show mode that the feature to record narration audio and slide timings is automatically activated. However I cannot seem to find that option in the PowerPoint interop object The manual in application way to use this feature in Powerpoint 2007 is under the "Slide Show" tab of the ribbon called "Record Narration". I have found under that I can set under Microsoft.Office.Interop.PowerPoint.SlideShowSettings.AdvancedSettings to RehearseNewTimings but this does not record narration audio. Does anyone know if this is even possible? Or if I am completely on the wrong track here. Thanks in advance for any repsonse

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• Issue with WIC image resizing on ASP.NET MVC 2

  - by Dave

  I am attempting to implement image resizing on user uploads in ASP.NET MVC 2 using a version of the method found: here on asp.net. This works great on my dev machine, but as soon as I put it on my production machine, I start getting the error 'Exception from HRESULT: 0x88982F60' which is supposed to mean that there is an issue decoding the image. However, when I use WICExplorer to open the image, it looks ok. I've also tried this with dozens of images of various sources and still get the error (though possible, I doubt all of them are corrupted). Here is the relevant code (with my debugging statements in there): MVC Controller [Authorize, HttpPost] public ActionResult Upload(string file) { //Check file extension string fx = file.Substring(file.LastIndexOf('.')).ToLowerInvariant(); string key; if (ConfigurationManager.AppSettings["ImageExtensions"].Contains(fx)) { key = Guid.NewGuid().ToString() + fx; } else { return Json("extension not found"); } //Check file size if (Request.ContentLength <= Convert.ToInt32(ConfigurationManager.AppSettings["MinImageSize"]) || Request.ContentLength >= Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) { return Json("content length out of bounds: " + Request.ContentLength); } ImageResizerResult irr, irr2; //Check if this image is coming from FF, Chrome or Safari (XHR) HttpPostedFileBase hpf = null; if (Request.Files.Count <= 0) { //Scale and encode image and thumbnail irr = ImageResizer.CreateMaxSizeImage(Request.InputStream); irr2 = ImageResizer.CreateThumbnail(Request.InputStream); } //Or IE else { hpf = Request.Files[0] as HttpPostedFileBase; if (hpf.ContentLength == 0) return Json("hpf.length = 0"); //Scale and encode image and thumbnail irr = ImageResizer.CreateMaxSizeImage(hpf.InputStream); irr2 = ImageResizer.CreateThumbnail(hpf.InputStream); } //Check if image and thumbnail encoded and scaled correctly if (irr == null || irr.output == null || irr2 == null || irr2.output == null) { if (irr != null && irr.output != null) irr.output.Dispose(); if (irr2 != null && irr2.output != null) irr2.output.Dispose(); if(irr == null) return Json("irr null"); if (irr2 == null) return Json("irr2 null"); if (irr.output == null) return Json("irr.output null. irr.error = " + irr.error); if (irr2.output == null) return Json("irr2.output null. irr2.error = " + irr2.error); } if (irr.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"]) || irr2.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) { if(irr.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) return Json("irr.output.Length > maximage size. irr.output.Length = " + irr.output.Length + ", irr.error = " + irr.error); return Json("irr2.output.Length > maximage size. irr2.output.Length = " + irr2.output.Length + ", irr2.error = " + irr2.error); } //Store scaled and encoded image and thumbnail .... return Json("success"); } The code is always failing when checking if the output stream is null (i.e. irr.output == null is true). ImageResizerResult and ImageResizer public class ImageResizerResult : IDisposable { public MemoryIStream output; public int width; public int height; public string error; public void Dispose() { output.Dispose(); } } public static class ImageResizer { private static Object thislock = new Object(); public static ImageResizerResult CreateMaxSizeImage(Stream input) { uint maxSize = Convert.ToUInt32(ConfigurationManager.AppSettings["MaxImageDimension"]); try { lock (thislock) { // Read the source image var photo = ByteArrayFromStream(input); var factory = (IWICComponentFactory)new WICImagingFactory(); var inputStream = factory.CreateStream(); inputStream.InitializeFromMemory(photo, (uint)photo.Length); var decoder = factory.CreateDecoderFromStream(inputStream, null, WICDecodeOptions.WICDecodeMetadataCacheOnDemand); var frame = decoder.GetFrame(0); // Compute target size uint width, height, outWidth, outHeight; frame.GetSize(out width, out height); if (width > height) { //Check if width is greater than maxSize if (width > maxSize) { outWidth = maxSize; outHeight = height * maxSize / width; } //Width is less than maxSize, so use existing dimensions else { outWidth = width; outHeight = height; } } else { //Check if height is greater than maxSize if (height > maxSize) { outWidth = width * maxSize / height; outHeight = maxSize; } //Height is less than maxSize, so use existing dimensions else { outWidth = width; outHeight = height; } } // Prepare output stream to cache file var outputStream = new MemoryIStream(); // Prepare JPG encoder var encoder = factory.CreateEncoder(Consts.GUID_ContainerFormatJpeg, null); encoder.Initialize(outputStream, WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache); // Prepare output frame IWICBitmapFrameEncode outputFrame; var arg = new IPropertyBag2[1]; encoder.CreateNewFrame(out outputFrame, arg); var propBag = arg[0]; var propertyBagOption = new PROPBAG2[1]; propertyBagOption[0].pstrName = "ImageQuality"; propBag.Write(1, propertyBagOption, new object[] { 0.85F }); outputFrame.Initialize(propBag); outputFrame.SetResolution(96, 96); outputFrame.SetSize(outWidth, outHeight); // Prepare scaler var scaler = factory.CreateBitmapScaler(); scaler.Initialize(frame, outWidth, outHeight, WICBitmapInterpolationMode.WICBitmapInterpolationModeFant); // Write the scaled source to the output frame outputFrame.WriteSource(scaler, new WICRect { X = 0, Y = 0, Width = (int)outWidth, Height = (int)outHeight }); outputFrame.Commit(); encoder.Commit(); return new ImageResizerResult { output = outputStream, height = (int)outHeight, width = (int)outWidth }; } } catch (Exception e) { return new ImageResizerResult { error = "Create maxsizeimage = " + e.Message }; } } } Thoughts on where this is going wrong? Thanks in advance for the effort.

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• File upload iis7

  - by maxwell

  Hi, I have a website and my users can browse the website for general information. If user wants to post any data, they need to register in the website. At the time of registration (in registration form) they can upload their photo. Once registration process is completed they can even modify the previously uploaded photo. My users are facing problem while they uploading their photo at the time of registration. I have given write permission to uploading files folder. But it is giving "Access denied" error. There should be a provision to upload files with or without logging into application. How can we achieve this?

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• Changing UIImageView animation speed

  - by Nikolas Stephan

  I am using the UIImageView to animate a bunch of images. I know that I can change the speed by altering animationDuration, but that doesn't seem to take effect until the animation is restarted. My problem is that beside not really wanting to have to restart the animation as this limits me to only being able to change the speed once per cycle, there also doesn't seem to be a way to find out what frame is currently being shown and I would therefore have to rely on a timer to "guess" which one it is. So my question is whether there is a way to change the speed without restarting the animation and if not is there some way I could avoid the aforementioned problem? I'm not too keen to write my own animation class, but may end up having to if there isn't a nicer solution.

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• Common SIMD techniques

  - by zxcat

  Hi! Where can I find information about common SIMD tricks? I have an instruction set and know, how to write non-tricky SIMD code, but I know, SIMD now is much more powerful. It can hold complex conditional branchless code. For example (ARMv6), the following sequence of instructions sets each byte of Rd equal to the unsigned minimum of the corresponding bytes of Ra and Rb: USUB8 Rd, Ra, Rb SEL Rd, Rb, Ra Links to tutorials / uncommon SIMD techniques are good too :) ARMv6 is the most interesting for me, but x86(SSE,...)/Neon(in ARMv7)/others are good too. Thank you.

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• run .net consolapp out of a cgi script

  - by Nico

  Hello there, i have written a simple cgi python script which looks like this #!c:/Python25/python.exe -u import cgi import os def main(): print "Content-type: text/html\n" form = cgi.FieldStorage() print form["firstname"].value os.execvp("D:\\path\\to\\my\\consolapp.exe", [""]) main() As you can se i'd like to start a consoleapp which i have written in .net. But my consoleapp crashs when i call the cgi script. So i did a little debuging and write a text file after some actions i do in my .net program. The result was that my programm crash everytime i'd like to open a access mdb file. It told me that i need the Microsoft Data Access Components (MDAC). But i cant belive this message because my .net consoleapp runs without errors if i start it from my own. So can anybody give me some advise how i can call my .net consol ab through a webscript. I'm happy for every advise So it don't have to be a solution using a cgi script. Regards, Nico

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• Saving a single NSMutableDictionary in a plist

  - by yesimarobot

  I have one dictionary I need to save into a plist. The paletteDictionary always returns nil: - (void)saveUserPalette:(id) sender { [paletteDictionary setObject:matchedPaletteColor1Array forKey:@"1"]; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"UserPaletteData.plist"]; // write plist to disk [paletteDictionary writeToFile:path atomically:YES]; } I'm reading the data back in a different view like: NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"UserPaletteData.plist"]; NSMutableDictionary *plistDictionary = [NSMutableDictionary dictionaryWithContentsOfFile:path]; if(plistDictionary==nil ){ NSLog(@"failed to retrieve dictionary from disk"); }

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• Database continuous integration step by step

  - by David Atkinson

  This post will describe how to set up basic database continuous integration using TeamCity to initiate the build process, SQL Source Control to put your database under source control, and the SQL Compare command line to keep a test database up to date. In my example I will be using Subversion as my source control repository. If you wish to follow my steps verbatim, please make sure you have TortoiseSVN, SQL Compare and SQL Source Control installed. Downloading and Installing TeamCity TeamCity (http://www.jetbrains.com/teamcity/index.html) is free for up to three agents, so it a great no-risk tool you can use to experiment with. 1. Download the latest version from the JetBrains website. For some reason the TeamCity executable didn't download properly for me, stalling frustratingly at 99%, so I tried again with the zip file download option (see screenshot below), which worked flawlessly. 2. Run the installer using the defaults. This results in a set-up with the server component and agent installed on the same machine, which is ideal for getting started with ease. 3. Check that the build agent is pointing to the server correctly. This has caught me out a few times before. This setting is in C:\TeamCity\buildAgent\conf\buildAgent.properties and for my installation is serverUrl=http\://localhost\:80 . If you need to change this value, if for example you've had to install the Server console to a different port number, the TeamCity Build Agent Service will need to be restarted for the change to take effect. 4. Open the TeamCity admin console on http://localhost , and specify your own designated username and password at first startup. Putting your database in source control using SQL Source Control 5. Assuming you've got SQL Source Control installed, select a development database in the SQL Server Management Studio Object Explorer and select Link Database to Source Control. 6. For the Link step you can either create your own empty folder in source control, or you can select Just Evaluating, which just creates a local subversion repository for you behind the scenes. 7. Once linked, note that your database turns green in the Object Explorer. Visit the Commit tab to do an initial commit of your database objects by typing in an appropriate comment and clicking Commit. 8. There is a hidden feature in SQL Source Control that opens up TortoiseSVN (provided it is installed) pointing to the linked repository. Keep Shift depressed and right click on the text to the right of 'Linked to', in the example below, it's the red Evaluation Repository text. Select Open TortoiseSVN Repo Browser. This screen should give you an idea of how SQL Source Control manages the object files behind the scenes. Back in the TeamCity admin console, we'll now create a new project to monitor the above repository location and to trigger a 'build' each time the repository changes. 9. In TeamCity Adminstration, select Create Project and give it a name, such as "My first database CI", and click Create. 10. Click on Create Build Configuration, and name it something like "Integration build". 11. Click VCS settings and then Create And Attach new VCS root. This is where you will tell TeamCity about the repository it should monitor. 12. In my case since I'm using the Just Evaluating option in SQL Source Control, I should select Subversion. 13. In the URL field paste your repository location. In my case this is file:///C:/Users/David.Atkinson/AppData/Local/Red Gate/SQL Source Control 3/EvaluationRepositories/WidgetDevelopment/WidgetDevelopment 14. Click on Test Connection to ensure that you can communicate with your source control system. Click Save. 15. Click Add Build Step, and Runner Type: Command Line. Should you be familiar with the other runner types, such as NAnt, MSBuild or Powershell, you can opt for these, but for the same of keeping it simple I will pick the simplest option. 16. If you have installed SQL Compare in the default location, set the Command Executable field to: C:\Program Files (x86)\Red Gate\SQL Compare 10\sqlcompare.exe 17. Flip back to SSMS briefly and add a new database to your server. This will be the database used for continuous integration testing. 18. Set the command parameters according to your server and the name of the database you have created. In my case I created database RedGateCI on server .\sql2008r2 /scripts1:. /server2:.\sql2008r2 /db2:RedGateCI /sync /verbose Note that if you pick a server instance that isn't on your local machine, you'll need the TCP/IP protocol enabled in SQL Server Configuration Manager otherwise the SQL Compare command line will not be able to connect. 19. Save and select Build Triggering / Add New Trigger / VCS Trigger. This is where you tell TeamCity when it should initiate a build. Click Save. 20. Now return to SQL Server Management Studio and make a schema change (eg add a new object) to your linked development database. A blue indicator will appear in the Object Explorer. Commit this change, typing in an appropriate check-in comment. All being good, within 60 seconds (a TeamCity default that can be changed) a build will be triggered. 21. Click on Projects in TeamCity to get back to the overview screen: The build log will show you the console output, which is useful for troubleshooting any issues: That's it! You now have continuous integration on your database. In future posts I'll cover how you can generate and test the database creation script, the database upgrade script, and run database unit tests as part of your continuous integration script. If you have any trouble getting this up and running please let me know, either by commenting on this post, or email me directly using the email address below. Technorati Tags: SQL Server

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• How do you get credentials (NetworkCredential) of currently logged in user ?

  - by Ross

  Hi, I'm writing some code to utilise a 3rd party component, and I need to supply an object which implements ICredentials when I start to use it. If I write the following... var credential = new NetworkCredential("MyUsername", "MyPassword"); ...and pass "credential", it's fine. But I would like to pass the credentials of the current user (it's a Windows service, so runs as a specified user). I have tried both of the following, but neither appear to work (or return anything): NetworkCredential credential = System.Net.CredentialCache.DefaultCredentials; NetworkCredential credential = CredentialCache.DefaultNetworkCredentials; Can anyone suggest how to acquire an approriate object, which represents the credentials of the username that the service is running under ? Thanks, Ross

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• Objective-C and Android

  - by Tom R

  I've just finished a relatively large project for the Android, and it's left a bitter taste in my mouth with the knowledge that it will never run on one of the most ubiquitous handsets this side of the solar system (the one by that fruity little club). So, for my next project, I want to write it in a way that makes most of the components easily transportable between the iPhone and Android platforms. The way I'm thinking of doing this is by coding most of it in Objective-C, and then adding the platform-specific parts in more Objective-C and Java respectively. On the Android side, this will require using the the NDK. My knowledge of C is good, but my knowledge of Objective-C is close to zero, and I have no desire to learn C++. How sane is the approach above, and is there a better one? Is there any way I can code in Java and still reach the un-hacked iPhone market? And how likely is it that the people I know (iPhone users) will have an Android phone by next year?

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• How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

  - by Olie

  I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: - (int)getRGBAFromImage:(UIImage *)image atX:(int)xx andY:(int)yy { // [...] // What do I want to read about to help // me fill in this bit, here? // [...] int result = (red << 24) | (green << 16) | (blue << 8) | alpha; return result; } Thanks!

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• WiX - Modifying an existing service to be dependent on the service I am installing

  - by Paul Nearney

  Hi all, Using Wix3, its trivial to ensure that a windows service being installed is given a dependency on a service that is already installed on the target machine, but I need to do the opposite - i.e. as part of my install I need to modify the service dependencies of an existing service (i.e. already installed on the target machine), to ensure that that service is dependent on the service I am installing. Is there a simple way to do this using WiX? or will I need to write a custom action? Many thanks, Paul

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• How to specify behavior of Java BufferedImage resize: need min for pixel rows instead of averaging

  - by tucuxi

  I would like to resize a Java BufferedImage, making it smaller vertically but without using any type of averaging, so that if a pixel-row is "blank" (white) in the source image, there will be a white pixel-row in the corresponding position of the destination image: the "min" operation. The default algorithms (specified in getScaledInstance) do not allow me a fine-grained enough control. I would like to implement the following logic: for each pixel row in the w-pixels wide destination image, d = pixel[w] find the corresponding j pixel rows of the source image, s[][] = pixel[j][w] write the new line of pixels, so that d[i] = min(s[j][i]) over all j, i I have been reading on RescaleOp, but have not figured out how to implement this functionality -- it is admittedly a weird type of scaling. Can anyone provide me pointers on how to do this? In the worse case, I figure I can just reserve the destination ImageBuffer and copy the pixels following the pseudocode, but I was wondering if there is better way.

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• Android GridView - update View based on position

  - by Chris

  I have a GridView, using a custom adapter (myAdapter extends BaseAdapter), where each item in the grid holds an ImageButton. getView() is working fine. However, from elsewhere in my code, how can I update the image (setImageResource) for one particular item in the grid based on its position in the GridView? So far, I've added this to my adapter class: public void changeImage() { Log.d(TAG, "Image change"); this.ImageButton.setImageResource(R.drawable.newImage); } And would like to write something like this: mygridview.getItemIdAtPosition(20).changeImage(); (doesn't compile).

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• What documentation is helpful when supporting an application?

  - by Andrew

  I am going to be taking over from a developer here at work soon. Hence, I'll be supporting all the applications that he has written over the last few years. My question is, when supporting an application that you probably don't know much about, what kind of documentation is most helpful to get a handle on how to fix problems, extend functionality, modify functionality, etc? I'm thinking it would need to give you an overview of what the software does, what interfaces it has to other software, what databases it uses, usernames, passwords, and so on. Is there such a thing as a software support document? Referrals to any templates would be most helpful. BTW, unfortunately, there are no requirements documents, specs, etc! So, really my question is, if my colleague had a day to write a single document for each application so that I could (more easily) support it, what would that document be and/or what would it look like?

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• JNA-Mapping Delphi Function

  - by Florian

  Hi! How do i map this function with JNA: Delphi code: function getData(InData1: PChar; InData2: PChar; Data: TArray16; var OutData1: PChar; var OutData2: PChar): integer; stdcall; with: TArray16 = array[0..15] of char; The int value that is returned can be 0 for Error or 1 for right execution; My suggestion is: Java code: int getData(String inData1, String inData2, byte[] data, byte[] outData1 byte[] outData2); The problem is that the function of the dll returns 0. I also tried other Datatypes, but it hasn't worked jet. I think the problem is that the dll function can't write to the parameters outData1 and outData2. Who can help me?....Thanks!!

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• Reverse Engineering Custom Data File

  - by kerchingo

  At my place of work we have a legacy document management system that is now unsupported by the developers due to variours reasons, i have been asked to look into extracting the documents contained in this system to eventually be imported into a new 3rd party system. From various tracing and process monitoring I have determined that the document images (mainly tiff files) are stored in a number of 1.5gb files, these files seem to be read from a speficic offset and then written to a tmp file that is then served via a web app to the client and then deleted. I guess i am looking for suggestions as how I can inspect these large files that containn the tiff images and eventually extract and write them to individual files.

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• About "If.." in Scheme (plt-scheme)

  - by Amit

  I had a pretty simple requirement in my Scheme program to execute more than one statement, in the true condition of a 'if'. . So I write my code, something like this: (if (= 1 1) ((expression1) (expression2)) ; these 2 expressions are to be executed when the condition is true (expression3) ) Obviously, the above doesn't work, since I have unintentionally created a # procedure with # arguments. So, to get my work done, I simply put the above expressions in a new function and call it from there, in place of the expression1, expression2. It works. So, my point here is: is there any other conditional construct which may support my requirement here?

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