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  • How can I match end-of-line multiple times in a regex without interpolation?

    - by harschware
    Hi, if I have a input with new lines in it like: [INFO] xyz [INFO] How can I pull out the xyz part? I tried a pattern like /^\[INFO\]$(.*?)$\[INFO\]/ms, but perl gives me: Use of uninitialized value $\ in regexp compilation at scripts\t.pl line 6. I've been trying things to get interpolation to stop like using qr// but alas, no love. EDIT: The key is that the end-of-line anchor is a dollar sign but at times it may be necessary to intersperse the end-of-line anchor through the pattern. If the pattern is interpolating then you might get problems such as uninitialized $\. For instance an acceptable solution here is /^\[INFO\]\s*^(.*?)\s*^\[INFO\]/ms but that does not solve the crux of the first problem. I've changed the anchors to be ^ so there is no interpolation going on, and with this input I'm free to do that. But what about when I really do want to reference EOL with $ in my pattern? How do I get the regex to compile?

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  • "ref" vs "out" keyword errors using the sql-net and C# Sqlite combination for windows phone 7.1

    - by param
    I am getting some "ref" vs "out" keyword errors using the sql-net and C# Sqlite combination for windows phone 7.1. Is this due to a wrong combination of libraries that I am using? App Type: Windows Phone 7.1 Using: 1) sql-net Version 1.0.5, Source Nuget thru Visual Studio 2) C# Sqlite for WP7 (wp7sqlite) ( Community.CSharpSqlite.WP7) Version 0.1.1, Source Nuget thru Visual Studio. The exact error I receive is below **Error 5 The best overloaded method match for Community.CsharpSqlite.Sqlite3.sqlite3_open(string, ref Community.CsharpSqlite.Sqlite3.sqlite3)' has some invalid arguments C:\Dev\Learning\SQLite.cs Line:2492 Column: 29 ** The next error then hints that it is related to the parameter being passed as "out" type instead of "ref" type. Error 6 Argument 2 must be passed with the 'ref' keyword C:\Dev\Learning\SQLite.cs Line: 2492 Column: 64 I can make the compile errors go away by replacing the "out" keyword with the "ref" keyword, but that is likely to lead to other issues. Given that I do not see much complain about this issue - I may be doing something wrong but not able to detect easily. Thanks, Parmeshwar

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  • Can I pass a child class to a reference of a parent class?

    - by michael
    Hi, I have a class A which takes a reference of B in its constructor. class A { public: A(B& b); } And I have a class SubB which is a child class of B: class SubB : public B { //omitted... } In my code, I create a SubB and pass it to A: SubB subB; A a(subB); But I get this compile Error: error: ‘B’ is an inaccessible base of ‘SubB’ Can I pass a reference of SubB as B? Thank you.

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  • What could prevent from running a binary on linux distribution compiled on a different platform ?

    - by yves Baumes
    We have 2 different compilation machine: red hat as4 and as5. Our architects require us, developers, to compile our program on those 2 platforms each time before copying them on their respective machine in production. What could prevent us from compiling our application on one machine only (let say the red has as 4 for instance) and deploy that binary on all target platform instead ? What is your point of view and could you pinpoint specific issues you've encountered with doing so ? What issues may I face with doing so ?

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  • [C#] What does MissingManifestResourceException mean and how to fix it?

    - by Timwi
    The situation: I have a class library, called RT.Servers, containing a few resources (of type byte[], but I don't think that's important) The same class library contains a method which returns one of those resources I have a simple program (with a reference to that library) that only calls that single method I get a MissingManifestResourceException with the following message: Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "Servers.Resources.resources" was correctly embedded or linked into assembly "RT.Servers" at compile time, or that all the satellite assemblies required are loadable and fully signed. I have never played around with cultures, or with assembly signing, so I don't know what's going on here. Also, this works in another project which uses the same library. Any ideas? Edit: I checked the .resx file; all the resources are marked as "Culture=neutral" there. Also, I noticed a similar question and went to check the namespace in Resources.Designer.cs, but it's correct (it's "RT.Servers").

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  • What features of interpreted languages can a compiled one not have?

    - by sub
    Interpreted languages are usually more high-level and therefore have features as dynamic typing (including creating new variables dynamically without declaration), the infamous eval and many many other features that make a programmer's life easier - but why can't compiled languages have these as well? I don't mean languages like Java that run on a VM, but those that compile to binary like C(++). I'm not going to make a list now but if you are going to ask which features I mean, please look into what PHP, Python, Ruby etc. have to offer. Which common features of interpreted languages can't/don't/do exist in compiled languages? Why?

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  • Longlasting Macport installation

    - by Werner
    Hi, I use Macports on Mac OSX to install some software. But there are somethings that I find very strange. For instance, yesterday I installed some app. and the it needed to get gcc43 and compile completely from source! It took a lot of time, although now everything works right. I understand that compilation of everything in the gentoo spirit is eomthing nice, but in the Mac case, not necessary. There are ony sole hardware variations, so it will be easier to get the binaries. I wonder if Macporst can be forced to get the binaries when available and therefore avoid these time consuming compilations. Thanks

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  • Could Grand Central Dispatch (`libdispatch`) ever be made available on Windows?

    - by elliottcable
    I’m looking into multithreading, and GCD seems like a much better option than manually writing a solution using pthread.h and pthreads-win32. However, although it looks like libdispatch is either working on, or soon going to be working on, most newer POSIX-compatible systems… I have to ask, what about Windows? What are the chances of libdispatch being ported to Windows? What are the barriers preventing that from happening? If it came down to it, what would I need to do to preform that portage? Edit: Some things I already know, to get the discussion started: We need a blocks-compatible compiler that will compile on Windows, no? Will PLBlocks handle that? Can we use the LLVM blocks runtime? Can’t we replace all the pthread.h dependencies in userspace libdispatch with APR calls, for portability? Or, alternatively, use pthreads-win32 I suppose…

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  • g++ and c++0x specification support

    - by SepiDev
    although it's been said that the support for c++0x new features in g++ are in experimental mode, many gcc developer claimed that you can use most of the new features in your codes and get the program to work. but when I try to compile this simple program it results in segmentation fault. Why? #include <thread> #include <iostream> void my_thread_func() { std::cout<<"hello"<<std::endl; } int main() { std::thread t(my_thread_func); t.join(); } g++ -std=c++0x -Wall -o run main.cc

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  • DocProject vs Sandcastle Help File Builder GUI

    - by Nathan
    I have several C# projects along with some internal library components that I'm trying to document together. Sandcastle seems to be the place to go to generate documentation from C#. I would like to know which of the two, DocProject or Sandcastle Help File Builder GUI is better and supports the features I need. I would like to compile only each projects own part of the document and then have it all integrated together in the end. (i.e. the library components in one documentation project and each project in it's own documentation project, then all of the above in a single root using the Help 2 viewer)

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  • java runtime tracing library to replace system.out.println

    - by Grzegorz Oledzki
    Have you heard of any library which would allow me to set up a tracing for specific methods at runtime? Instead of adding (and removing) lots of System.out.println in my code (and having to re-compile and re-deploy) I would like to have a magic thing which would print out a line for each call of selected method without any change in the code. This would work without re-compiling, so some kind of JVM agent (or some non-standard JVM would be needed?). Sounds like a job for aspect programming? A typical scenario would be to start an application, configure the traced methods dynamically (in a separate file or similar) and then everytime a selected method is called a line with its name (and arguments) is printed out to System.out (or some log file). Naturally one could think of tens of additional features, but this basic set would be a great tool. BTW, I use Eclipse interactive debugger too, not only the System.out tracing technique, but both have some advantages and sometimes Eclipse is not enough.

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  • ASCII in Windows XP and Ubuntu Linux

    - by Mikey D
    I've made a program in MVSC++ which outputs memory contents (in ASCII). The ASCII I see in windows console seem to match what I see in various ASCII tables (smiley, diamond, club, right arrow etc). This program needs to compile under Linux (which is does), but the ASCII output looks completely different. A few symbols are the same but the rest are so different. Is there any way to change how terminal displays ASCII code? EDIT: The program executes correctly, it's just the ASCII that is being displayed differently.

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  • Error including image in Latex

    - by euphoria83
    I am getting the following error while compiling my Latex File : ! LaTeX Error: Cannot determine size of graphic in tree.jpg (no BoundingBox). Why do I get this error ? What has this to do with an .eps file ? Infact, I could compile it fine with MacTex on my machine. But when I submit it online to a scientific journal for publication, it compiles it on the server and sends me the resultant PDF which as all these error that prevent it from compiling. I am using the following syntax for including the images : \begin{figure}[!h] \begin{center} \scalebox{0.45}{ \includegraphics{tree.jpg}} \end{center} \caption{\small A sample} \label{tree} \end{figure} What should I do ? Could it be that their server is using an old compiler ? UPDATE : It finally worked. I converted the first image to PDF and the compilation happened perfectly. I guess it used the bounding box value from that PDF and applied it to all images.

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  • Using Omniture ActionSource with Flash IDE

    - by Alpinista
    I have a flash app built in ActionScript 3 utilizing a document class. I have followed the documentation for implementing Omniture ActionSource tracking by adding the ActionSource component to my fla's library, and then importing it into the document class and running the configuration code. However, the app fails to compile because it cannot resolve the path to the component (com.omniture.ActionSource). My class path contains a com directory (package) where most of the classes I use in my projects reside. Has anyone had success implementing ActionSource in this manner? Thanks

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  • C# extension method doesn't seem to exist

    - by blahblah
    I can't seem to get the following extension method to be found in another class in the same namespace (MyProject.Util). using System.Collections.Specialized; namespace MyProject.Util { public static class Extensions { public static string Get( this NameValueCollection me, string key, string def ) { return me[key] ?? def; } } } As you can see it's basically another version of foo[bar] ?? baz, but I still don't understand why VS2008 fails to compile telling me that no version of Get takes two arguments. Any ideas?

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  • quering an external oracle db in rails application

    - by railscoder
    I have a website which useses a mysql database for its whole operation . But for a new requirement i need to query a external oracle database( used by other component) and compile a list of items and display in a page in the website. How is it possible to connect to a external database just for rendering a single page. And is it possible to cache the queried result for say 1 month before invalidating the cache and get the updated list of items. i dont want query the external oracle db for each request.

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  • How is Java Platform independent when it needs JVM to run ?

    - by happysoul
    Just started learning Java and I am confused about this whole independent platform thingy. Doesn't independent means that Java code should be able to run on any machine and would need no special software to be installed (JVM in this case has to be present in the machine)? Like, for example, we need to have Turbo C Compiler in order to compile C/C++ source code and then execute it.. The machine has to have the C compiler. guess I am confused..Somebody please explain in simple language or may be direct me to a tutorial that explain things in simple language ? that would be great I am just not getting the concept.

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  • C#: proprietary DLLs requiring access to my assemblies

    - by Craig Johnston
    My solution uses a proprietary assembly, which when debugging the solution throws an Exception saying it can't find an assembly that is meant to be one of the projects in my solution. I cannot add a reference to the proprietary assembly because all I have is the DLL. When I compile everything into a single application directory and run the app it works fine, but I want to debug. Where should assemblies be placed if you want a proprietary assembly in the solution to see them? I assume the issue is that there is no path specified and it is just looking in a default directory of some kind.

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  • Strange/simple batch question regarding Java/Ant

    - by Monster
    For my company, I'm making a batch script to go through and compile the latest revisions of code for our current project. I'm using Ant to build the class files, but encountered a strange error. One of the source files imports .* from a directory, where there are no files (only folders), and in fact, the folders needed are imported right after. It compiles perfectly fine in Eclipse, but I'm using an Ant script to automate it outside of the IDE, and Javac throws an error when it encounters this line. Is there any automated procedure I can use to ignore/suppress this error with javac in Ant? I'd even go so far as to create a dummy file in the importing directory, but all of that in contained in a Jar file I don't wish to have to decompress and then recompress with the dummy file. Thanks!

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  • Using Excel To Read Access Without MS Access On Computer

    - by Tom Clark
    I have written code that joins two table in access, using criteria supplied from drop down lists in excel and then returns the data to a specific location on the spreadsheet (titles already on the sheet). This works fine on my box and others with MS Access on the machine, but the purpose of writing this was to give people (associates) that dont have the MS Access on their machines (which is most of them) to be able to do simple queries to the database. When we try to run this on a machine without MS Access, we are getting the error message "Compile Error: Cant find project or library." Since this works fine on any machine so far that has Access, but not the others I am wondering if this is not possible without the actual Access software. Any help or insight would be appreciated. Tom

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  • Trouble using SFML with GCC and OS X

    - by user1322654
    I've been trying to get SFML working for a while now and I've been trying to get it working using GCC. I'm on OS X by the way. I followed the standard Linux instructions and using the Linux 64-bit download however when it comes to compiling... g++ -o testing main.cpp -lsfml-system This happens: main.cpp: In function ‘int main()’: main.cpp:7: error: ‘class sf::Clock’ has no member named ‘GetElapsedTime’ main.cpp:9: error: ‘class sf::Clock’ has no member named ‘GetElapsedTime’ main.cpp:10: error: ‘Sleep’ is not a member of ‘sf’ So I thought it could be due to not using includes, so I changed my gcc compile command to: g++ -o testing main.cpp -I ~/SFML-1.6/include/ -lsfml-system and now I'm getting this error: ld: warning: ignoring file /usr/local/lib/libsfml-system.so, file was built for unsupported file format which is not the architecture being linked (x86_64) Undefined symbols for architecture x86_64: "sf::Clock::Clock()", referenced from: _main in ccZEiB7b.o "sf::Clock::GetElapsedTime() const", referenced from: _main in ccZEiB7b.o "sf::Sleep(float)", referenced from: _main in ccZEiB7b.o ld: symbol(s) not found for architecture x86_64 collect2: ld returned 1 exit status** And I have no idea what to do to fix it.

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  • Why a variable is seen in the loop and is not seen outside the loop?

    - by Roman
    I have the following code: String serviceType; ServiceBrowser tmpBrowser; for (String playerName: players) { serviceType = "_" + playerName + "._tcp"; tmpBrowser = BrowsersGenerator.getBrowser(serviceType); tmpBrowser.browse(); System.out.println(tmpBrowser.getStatus()); } System.out.println(tmpBrowser.getStatus()); The compiler complains about the last line. It writes "variable tmpBrowser might not been initialized". If I comment the last line the compile does not complain.

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  • Clickonce program will not start when launched from shell_execute

    - by Brandon
    I have a very old program that I have no control over. It launches a filetype with its default application like this(I cannot modify this code): LET Err (SHELL_EXECUTE 'open' (FIX_MESG '"{1}"' File_name) '' '') ^^The above code works, so long as that filetype isn't associated with ClickOnce. The old program is 32 bit, the OS is Windows 7 64 bit. I can compile my clickonce program as anything, but none seem to work. (I've tried x84, x64 and anyCPU) How can I make a 32 bit program use shell execute to launch a ClickOnce program on a 64bit OS?

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  • What simple methods are there to wrap a c++ based object model with a COM interface

    - by Rich
    I have a pre-existing c++ object model which represents the business layer tier of an application. I want to be able to expose the object model to applications written in other languages i.e vbscript, VB, javascript etc. I believe the best way of doing this is to wrap the business objects with a COM layer. What fast and effective methods are there for doing this. Any advice, links to practical "How to" documentation would be very much appreciated. Because I'm starting a bounty on this , here's a few extra guidelines for potential bounty hunters :- 1)I've decided on an ATL approach 2)I'm now specifically looking for links to really good "how to and quickly" documentation on wrapping a pre-existing c++ object model to make it useable by a scripting language like javascript 3) Something with small working examples showing me what code needs to be added to what files, e.g what goes into the cpp , idl and hpp/h etc. It' must include an example I can compile test and change to get a better understanding.

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  • What's the ROI of using a build tool like ant or nant?

    - by leeand00
    To me this sounds like a really stupid question. Why would you not use a build tool? However, I need to explain my co-worker why he should be using a build tool of some sort. He's getting really into the idea of working as a team with more programmers, but he isn't understanding the bigger picture of what needs to change in the build process in order to work with a larger team; (i.e. defensive programming/unit testing your code, having a bug database, programming modular libraries, and using sub-repositories to store modules in version control. This is a rather large stack of technologies that I need to prove the ROI of...so I figured I'd start with the ROI of using a build tool rather than just...say...clicking compile.

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