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  • How do software projects go over budget and under-deliver?

    - by Carlos
    I've come across this story quite a few times here in the UK: NHS Computer System Summary: We're spunking £12 Billion on some health software with barely anything working. I was sitting the office discussing this with my colleagues, and we had a little think about. From what I can see, all the NHS needs is a database + middle tier of drugs/hospitals/patients/prescriptions objects, and various GUIs for doctors and nurses to look at. You'd also need to think about security and scalability. And you'd need to sit around a hospital/pharmacy/GPs office for a bit to figure out what they need. But, all told, I'd say I could knock together something with that kind of structure in a couple of days, and maybe throw in a month or two to make it work in scale. If I had a few million quid, I could probably hire some really excellent designers to make a maintainable codebase, and also buy appropriate hardware to run the system on. I hate to trivialize something that seems to have caused to much trouble, but to me it looks like just a big distributed CRUD + UI system. So how on earth did this project bloat to £12B without producing much useful software? As I don't think the software sounds so complicated, I can only imagine that something about how it was organised caused this mess. Is it outsourcing that's the problem? Is it not getting the software designers to understand the medical business that caused it? What are your experiences with projects gone over budget, under delivered? What are best practices for large projects? Have you ever worked on such a project?

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  • Structure of open source project's repository

    - by hokkaido
    I'm in the beginning of starting a small open source project. When cloning the main repository one gets a complete build environment with all the libraries and all the tools needed to make an official installer file, with correct version numbers. I like the fact that anyone who wants to contribute can clone the repository and get started with anything they want. But I'm thinking this makes it to easy for Evil People to create malicious installers and release into the wild. How should it be structured? What do you recommend including in the repository, versus keeping on the build server only?

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  • RAD - Websphere Application server won't start

    - by Caroline
    I am having issues with RAD7. My server will not start for me today. I am working from home and connected to the VPN. Everything works except my server in RAD. It worked fine yesterday in work and had previously worked when I was at home but that was a few weeks ago. Are there any settings that I should look out for? I have disabled my proxy settings in RAD and turned off everything in my firewall. I can ping all the DBs that the server is connecting to. I have even removed all the projects from the server and it will still not start. It keeps trying and then times out after 300s. Any suggestions?

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  • NSMutableArray for Object which has NSString property causes memory leak

    - by user262325
    Hello everyone I hope to add objects to a NSMutableArray "myArray", The NSMutableArray is the array for FileObj which has a NSString property "fileName" #import <UIKit/UIKit.h> @interface FileObj : NSObject { NSString *fileName; } -(void) setfileName:(NSString *)s ; -(NSString *) getfileName ; @end // // File.m// #import "File.h" @implementation FileObj -(void) setfileName:(NSString *)s ; { fileName=s; } -(NSString *) getfileName ; { return fileName; } @end I initialize the myArray here: NSMutableArray *temarray; temarray=[[NSMutableArray alloc] init]; self.myArray=temarray; [temarray release]; the codes to add object to myArray FileObj *newobj=[[FileObj alloc]init ]; NSString *fieldValue2 = [[NSString alloc] initWithUTF8String:@"aaaa"]; [newobj setfileName:fieldValue2]; [myArray addObject:newobj]; [fieldValue2 release]; //**if I enabled the line, it will cause crash** //**if I disable the line, it will cause memory leak** [newobj release]; Welcome any comment Thanks interdev

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  • App.config path not correctly interpreted by ASP.NET Application

    - by seragu05
    Hello everyone ! I'm working on a very old project (2000) in VB6 which was "modernized" and upgraded to VB.NET 3.5. I've centralized every old INI configuration file into one MainApp.config, which is referenced by the app.config of every component. There's an VB ASP.NET website in the solution, which uses DLL components, which are looking into app.config for parameters like, say, error log directory, etc. I've deployed the site on my dev. server (Windows 2008 Server w/ IIS 7.0) into the D:\WebSite\ directory. Problem: When running the site, an error occurs. A DLL is looking into app.config for the parameter RepertoireErreur which has the value .\Erreurs\ Instead of returning D:\WebSite\Erreurs\ it returns c:\windows\system32\inetsrv\.\Erreurs\ which doesn't contain the Erreurs directory. Boom. Error. Does anyone have ever encountered the same problem ? Is there a solution ? Thanks,

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  • C# memory / allocation cleanup

    - by Number8
    Some near-code to try to illustrate the question, when are objects marked as available to be garbage-collected -- class ToyBox { public List<Toy> Toys = new List<Toy>(); } class Factory { public ToyBox GetToys() { ToyBox tb = new ToyBox(); tb.Toys.Add(new Toy()); tb.Toys.Add(new Toy()); return tb; } } main() { ToyBox tb = Factory.GetToys(); // After tb is used, does all the memory get cleaned up when tb goes out of scope? } Factory.GetToys() allocates memory. When is that memory cleaned up? I assume that when Factoy.GetToys() returns the ToyBox object, the only reference to the ToyBox object is the one in main(), so when that reference goes out of scope, the Toy objects and the ToyBox object are marked for garbage collection. Is that right? Thanks for any insights...

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  • How to update a library in my application

    - by andho
    I have used a library like ZendFramework in my project which I have put in Subversion. Now I want to update the version that I have put in Subversion. What's the best way to do this? Copying, taking a svn diff and patching the working copy or just copying the new files over the old files? I have tried svn diff with svn diff but this doesn't output anything. Normal diff outputs some stuff but it also considers the .svn directories.

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  • SHFileOperation replace file dialog

    - by JHowzer
    Currently, SHFileOperation has some confirm file replacement dialog boxes that ask the user if they would like to replace a file or not. I find these useful, but I would like to be able to modify the scenario in which they occur. Instead, I would like to compare the file contents first with a bool compareFile() function I wrote. Then, if the files are identical the file replacement dialog box will not come up. Assuming, I already have a working compareFile() function, is there a way for me to do this? Thank you for your time.

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  • Advise on starting a new job

    - by Sisiutl
    I hope this isn't too off-topic, but in a week I will start a new job at a manufacturing company managing the development of a new eCommerce site. The company scores about a 3 on the "Joel" test. I will inherit 3 programmers who developed the company web site and do general IT programming. I have the grey hair and credentials to have their initial respect but I'm an engineer, not a manager. I'm looking for practical advise - particularly for the first 90 days - on how to establish myself, keep the team together, and move forward.

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  • how to use CDialog in win 32 application?

    - by Rakesh
    I did the following steps to use the CDialog in win 32application; 1.Changed the use of MFC to "use mfc shared DLL". 2.Added a dialog resource and added a class for the dialog. 3.Included the dialog class in my main. 4.Tried to call do modal. when i try to call do modal...i am getting an debug assertion failed.. can anybody help me out of this?

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  • Automating builds from subversion tags

    - by Ajaxx
    I'm trying to automate the build process for engineering group. As part of that automation, I'm trying to get to a point where the act of applying a specific tag that adheres to a pattern will kick off an automated process that will do the following: Check out source code Create a build script from a template Build the project I'm pretty certain I could do this with a post-hook in subversion, but I'm trying to figure out a way to do this with something other than a subversion hook. Would it make sense to monitor the tags directory in the subversion repository to kick off my workflow? Are there any decent tools that help with this (.NET would be great if possible). Am I better off just writing an engine to do this? My preferences: Existing product that does all or part of this If development work needs to occur, .NET is preferable Works with Windows (we've got a Linux based repo, but builds all occur on windows)

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  • Does anyone else think instance variables are problematic in database-backed applications?

    - by Ben Aston
    It occurs to me that state control in languages like C# is not well supported. By this, I mean, it is left upto the programmer to manage the state of in-memory objects. A common use-case is that instance variables in the domain-model are copies of information residing in persistent storage (i.e. the database). Clearly this violates the single point of authority principle, and "synchronisation" has to be managed by the developer. I envisage a system where instead of instance variables, we have simple public access/mutator methods marked with attributes that link them to the database, and where reads and writes are mediated by a framework that decides whether to hit the database. Does such a system exist? Am I completely missing the point, or is there some truth to this idea?

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  • how reference copy is handled in Objective-C?

    - by Cathy
    Object graph [Instance A] tree / \ / \ / \ ↓ ↓ [Instance B] [Instance C] apple bug Question Instance A has to reference copies to Instance B and Instance C. If I retain or release Instance A, which has references to the other two instances, what happens to the various reference counts?

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  • Creating and releasing objects in the same method, while using self as delegate

    - by user200341
    In objective-c you are responsible for releasing objects you allocate, but what happens when you allocate an object in a method, assign self as the objects delegate, and then release the object. The callbacks from the newly created (and released) object fails at this point, or rather, doesn't happen. - (void)doSomething { MyObj *myObj = [[MyObj alloc] init]; myObj.delegate = self; [myObj performOperation]; [myObj release]; } - (void)callbackMethodFromMyObj:(NSString *)message { NSLog(message); } I can't release the object until the callback has occurred, and I can't avoid releasing the object in the same method that creates it (because it exists outside the scope). One way of doing it would be to pass the object along in the call-back and release it in the callback, but is this the right way to go about this?

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  • Does anyone use AODL in a real application?

    - by HyperQuantum
    We are currently using the Excel interop API in .NET to generate simple spreadsheet documents from a template. So we load the template first, insert some rows, fill in some data (dates, text, and numbers), and make Excel visible so that the user can print or save the document we just generated. But I'd like to get rid of the Excel dependency, and switch to the ODF format as well. Googling suggests AODL (C# libs for generating ODF docs) as the most obvious solution. But their last release is 1.3.0.0 BETA, and seems to be 3 years old. So I'm not sure if it's a good idea to depend on a potentially dead project... In that case, I'd need to find another solution. Any ideas? Or maybe someone could assure me that AODL is still alive?

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  • creating a custom odbc driver for application

    - by neddy
    Ok, i have a simple database engine (its a proprietary product written in vb6) for one of my applications... i'd like to create an ODBC driver for it so i can use some of my other applications (which require a database) with my database engine rather than microsoft sql (which they are currently using).... Does anyone have any heads up on how to develop an ODBC driver (preferably in vb6) ... i'v spent the last few hours googling it and havnt had much luck... about the best thing i have found so far is: http://www.datadirect.com/products/openaccess/index.ssp but i dont exactly want to go buying an SDK to write an ODBC driver... Cheers in advance,

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