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  • What to do if I hate C++ header files?

    - by BlaXpirit
    I was always confused about header files. They are so strange: you include .h file which doesn't include .cpp but .cpp are somehow compiled too. NOTE: I UNDERSTAND EVERYTHING ABOUT THE HEADERS, PLEASE DON'T TELL ME I'M STUPID OR SHOULD USE OTHER LANGUAGE Recently I joined a team project, and of course, both .h and .cpp are used. I understand that this is very important, but I can't live with copy-pasting every function declaration in each of multiple classes we have. How do I handle the 2-file convention efficiently? Are there any tools to help with that, or automatically change one file that looks like example below to .h and .cpp? (specifically for MS VC++ 2010) class A { ... Type f(Type a,Type b) { //implementation here, not in another file! } ... }; Type f(Type a) { //implementation here } ...

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  • C++ wrapper for C library

    - by Maximilien
    Hi, Recently I found a C library that I want to use in my C++ project. This code is configured with global variables and writes it's output to memory pointed by static pointers. When I execute my project I would like 2 instances of the C program to run: one with configuration A and one with configuration B. I can't afford to run my program twice, so I think there are 2 options: Make a C++ wrapper: The problem here is that the wrapper-class should contain all global/static variables the C library has. Since the functions in the C library use those variables I will have to create very big argument-lists for those functions. Copy-paste the C library: Here I'll have to adapt the name of every function and every variable inside the C library. Which one is the fastest solution? Are there other possibilities to run 2 instances of the same C source? Thanks, Max

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  • C++: Switching from MSVC to G++: Global Variables

    - by feed the fire
    I recently switched to Linux and wanted to compile my Visual Studio 2010 C++ source code, which uses only the STL, on G++. My Linux machine currently isn't available but I can try to tell you what is going on, first: As I try to compile my project, all global variables I use in main and which perfectly work on MSVC result in myGlobalVar is not defined in this scope errors. My project is built nearly the same as the example below: // myclass.h class myClass { // .... }; extern myClass globalInstance; // myclass.cpp #include "myclass.h" // myClass functions located here myClass globalInstance; // main.cpp #include "myclass.h" int main( ) { // Accessing globalInstance results in an error: Not defined in this scope } What am I doing wrong? Where are the differences between G++ and MSVC in terms of global variables?

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  • In TDD, should tests be written by the person who implemented the feature under test?

    - by martin
    We run a project in which we want to solve with test driven development. I thought about some questions that came up when initiating the project. One question was: Who should write the unit-test for a feature? Should the unit-test be written by the feature-implementing programmer? Or should the unit test be written by another programmer, who defines what a method should do and the feature-implementing programmer implements the method until the tests runs? If I understand the concept of TDD in the right way, the feature-implementing programmer has to write the test by himself, because TDD is procedure with mini-iterations. So it would be too complex to have the tests written by another programmer? What would you say? Should the tests in TDD be written by the programmer himself or should another programmer write the tests that describes what a method can do?

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  • Android/Java Javadoc missing after updating Android SDK

    - by binnyb
    After i recently installed the new Android SDK stuff, I no longer can view the Javadoc while editing my project's code. I get this message: Note: This element has no attached source and the Javadoc could not be found in the attached Javadoc. I am getting this message for all methods, variables, classes, etc. I have installed the documentation and everything available to me via the android update manager. I have also tried to do a clean install of the android sdk and eclipse, and no luck getting the javadoc working. I have also tried manually setting the javadoc via project properties -> javadoc location -> file:/C:/Program Files/Android/android-sdk-windows/docs/reference/ with no luck What suggestions do you have that could fix this problem?

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  • Lib Files and Defines

    - by Paul
    I'm using a couple of external libraries and I'd rather not have to include all their source and header files in my main source directory or in my project file. One option would be to compile the libraries as lib files and link them like that. However I'm not sure the defines get evaluated before or after the lib file gets created (which one is it?). If it's before then obviously I can't just pack them because they might not work properly on different compilers or systems. So if I can't pack the libraries as lib files, is there any way for me to link in the c or cpp source files? Probably not, since they would have to be compiled first, but maybe I'm wrong. Edit: Here's a follow-up question, based on answers. Do you think it'd be too much of a hassle to have a makefile that creates the lib files? I'd still rather not add the sources to my project or in my source directory.

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  • References/walkthroughs for maintaining database schemas with Visual Studio 2010?

    - by user206356
    I have Visual Studio 2010 Beta 2 and SQL Server 2008 installed. I'm working with a populated database and want to modify various column types. SQL Server Management Studio requires me to drop tables to do this, and get pretty finicky given my moderate level of knowledge of SQL Server. However, I heard the new database project type supports changing the database schema to the desired format and it will handle creating and running all the scripts to implement the changes. I've created a VS2010 database project using the existing database as the source, but so far haven't had much luck figuring out the appropriate method to make the changes without getting an error. As a result, I'm looking for any reference info I can find on using VS2010's capabilities in this area. Any suggestions?

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  • asp.net global resources problem

    - by Bystrik Jurina
    Hello. I have a weird problem with global resources in my asp.net mvc web application. I have some resources in separate project(not a web app project). Those resources have following settings: Build action: Embedded Resource, Copy To Output Directory: Do not copy, Custom Tool: ResXFileCodeGenerator. When I change an existing value in resource file, build solution in release mode and upload neccesary dll files back to server, the previous values in resources are still shown. However, when I add a new key into resource file, the value of this key is shown properly. I do not have this problem during debugging on localhost. Thanks

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  • xcode storyboard reverting in compile

    - by darren
    I started having some very odd behaviour in Xcode 4.5 recently. I made a change to a UITableViewController with static cells but the changes did not appear in the simulator and neither did my code changes. I removed the app from the simulator and ran clean on the project, then started again and all the changes appeared. I made another code change, ran the debugger via simulator and once again I saw my old UITableViewController values and my code changes were absent. This project is using storyboards, but I am not sure if this problem is related to just storyboards given my code changes are reverted as well. I am deeply confused here. Not even clean fixed this issue. Any thoughts or suggestions?

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  • Is it possible to get Semantic (emacs) to visit all files automatically?

    - by RealityMonster
    From what I can tell from the docs, semantic works by slowly building up an idea of what's in your project by analysing each file (and possibly its neighbours) as you visit them. This is too slow. I'd like to just have it visit all the files in my project. Is there an easy way to do this? Having to visit hundreds of files before I can get decent autocomplete working seems crazy. I've also got a etags file generated. Can I leverage that somehow?

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  • R.java doesn't exist...but it does! Problem started after installing ADT 10.0.0

    - by TenFour04
    I get this error when I try to clean a project: ERROR: Unable to open class file ....R.java: No such file or directory So I can't build my projects any more. But R.java is there in the gen folder and looks fine when I open it. This happens to every one of my projects. I tried completely deleting the Eclipse folder and reinstalling it (Helios on Windows) and Android ADT. No luck. I have also tried moving my workspace to a different drive. No luck. I made sure all folders in my workspace are not read only. This worked the first time, but immediately the error came back when I cleaned my project. This all started right after installing ADT 10.0. I am wondering if it somehow is building R.java as a read-only file. EDIT: Is deleting the eclipse directory sufficient to reset all of its configuration?

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  • Hudson's FindBugs plugin reports line number "-1" for bugs. Ideas?

    - by John B.
    Greetings, I have a simple test project set up in Hudson and the project's build process (a batch file) generates a findbugs.xml file. This is processed by Hudson's FindBugs plugin but it shows the line number of the bugs as "-1" instead of their actual line number. A coworker suggested I enable debug info for the compiler. I used the -g "Generate all debugging info" option for javac but nothing seemed to change. My build command is: javac -g -classpath C:\testWebApp1\src -d C:\testWebApp1\build C:\testWebApp1\src\*.java The only other thing in the build.bat file is a call to the FindBug tool (text UI). Here is what the FindBugs Plugin says about the first bug: File: GenerateHellos.java, Line: -1, Type: UUF_UNUSED_FIELD, Priority: Normal, Category: PERFORMANCE Any ideas? Thanks a ton!

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  • Nuget and Source Control Files to Exclude?

    - by Peter Kellner
    I know I should be using nuget more but at this point I don't completely understand the nuances so I still tend to either get source and build the project, then reference the project, or I create my own "dlls" folder and hand copy the dll's in. As part of my learning process, I'm trying to understand what is critical and what is not when using nuget. For example, I've done install-package restsharp and now when I check into source control, I get files like "packages/RestSharp.103.4/lib/net4/RestSharp.xml". I'm assuming that nuget will help me with upgrading and such and it needs to have certain meta data type files. My question is: Should I be ignoring any or all files in the "packages" directory? If so, what and why. Thanks

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  • Why I should use an N-Tier Approach When using an SqlDatasource is ALOT EASIER ?

    - by The_AlienCoder
    When it comes to web development I have always tried to work SMART not HARD. So for along time My Aproach to interacting with databases in my AspNet projects has been this : 1) Create my stored procedures 2) Drag an SQLDatasource control on my aspx page 3) Bind a DataList Control to my SQLDatasource 4) Insert, Update & Delete by using my Datalist or programmatically using built in SQLDatasource methods e.g MySqlDataSource.InsertParameters["author"].DefaultValue = TextBox1.Text; MySqlDataSource.Insert(); Recently however I got a relatively easy web project. So I decided to employ a 3-tier Model...But I got exhausted halfway and just didnt seem worth it ! It seemed like I was working too HARD for a project that could have been easily accomplished by a couple of SqlDataSource Controls. So Why Is the N-Tier Model better than my Approach? Has it anything to do with performance? What are the advantages of the ObjectDataSource control over the SqlDataSource Control?

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  • How do XAML files associate with cs files?

    - by LLS
    It seems that XAML files should have corresponding .cs files in a C# project. I know Visual Studio does all the things for us. I'm just curious how they are linked together? I mean, are they specified in the project file, or just because they have the same names? And also, App.xaml file specifies the startup file, but how does the compiler know? Is it possible to appoint another file other than App.xaml to do the same things as App.xaml does?

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  • Why does my CLR function keep disappearing

    - by user208080
    Hi there. I am a rookie to SQL and here is my questions. I have some CLR sql functions and procedures. When I deploy the 1st one, everything is fine. But after the 2nd one deployed, the first one will disappear. Anyone can help me out? Thanks a lot Actually, I simply create a new SQL project in VS, adding a new function or stored procedure, click deploy, and I can see the new function in my SQL instance. Then I close that project and open a new one, repeat the above steps, OK, the 2nd function is there i my instance but the 1st one disappeared or be replaced and no longer queryable for use. Thank you for your reply. All these clr functions and procedures are in the same instance of the database.

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  • Programming Exercises for Learning Purposes?

    - by cam
    Are there any programming exercises that apply to any language? Before I got my first job, I thought I knew C# pretty well, then I was thrown right into the deep end, and now I know I have a good command over the language. I would like to apply the same method to other languages, but unfortunately, I'm sort of stuck with C# at work. Ideally, something similar (but broader in scope) to Project Euler is ideal. Project Euler helped me learn a ton of C++/F#, some math, algorithms, handling bignums, etc. I'm looking for something like this.

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  • Best practices for packaging resources (jpg's, sound, video) in an iPhone app?

    - by Mel
    I'm a newb iPhone developer writing an app that has several large JPGs and sound files. Everything works ok if I drag these non-code resources into my project. But I am wondering if this is the right way to package my app. In Windows development, I would create a "resource DLL" that keeps the .exe size small. What is the equivalent for iPhone? I think I should be creating a "bundle" - can someone please give me some pointers to using these and how to link them into my main project? Thanks!

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  • Reading data from a MySQL database into a HTML Table?

    - by Michael McKay
    So i am working on a project and need some advice. I have a MySQL database that stores events, i know how to code this functionality in PHP but im just stuck of a few specifics. As the project that I am creating is a timetable, the most important attributes are the day of the event, starting time and finishing time. Once i have read this data from the MYSQL database using my PHP script, how do i go about inserting these events in to a html timetable? Lets say i have record like below in my events table: Event ID = 01 Event Day = Monday Event Start = 12:00 Event End = 14:00 How would I then put that into a html table, bearing in mind that i may have mutiple events for a day?

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  • IB z-order on simulator 6.0

    - by Stanley
    Consider the above's IB objects listing. Siblings further down the list should be on top of the siblings listed further up when rendered on the screen. Under Xcode 4.5.2, everything is ok if iphone simulator 5.1 is used. But for simulator 6.0 the map just covers everything. The same if using actual devices (phones) for testing. Hope that somebody knowledgeable could help. Please also add comments if you do not find such a problem on simulator 6.0. Because chances are the problem is related to how my project is setup. Update : Have setup a test project with the iOS 6 map view. There seems to be no problem with the z-order. So the problem should relate to my code.

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