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• Variable scope difference between PHP and C: block scope is not exactly the same?

  - by powerboy

  The following PHP code will output 3. function main() { if (1) { $i = 3; } echo $i; } main(); But the following C code will raise a compile error. void main() { if (1) { int i = 3; } printf("%d", i); } So variables in PHP are not strictly block-scoped?

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• WSDL file generated on the fly?

  - by Valer

  Hi everybody, for a web service, depending on a XML file, there are a couple af classes in C# generated. Depending on these classes, there is at compile time then the WSDL file generated. Is there a possibility at runtime to simply replace the XML file and to have the WSDL file generated on the fly? Best regards, Valer

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• Problem initialing a unicode string

  - by Simon

  Hey All. Atm im working with native API calls and i have to get RtlInitUnicodeString to work. The way i use: const WCHAR wcMutex[] = L"String1"; UNICODE_STRING unicodeMutexBuffer; RtlInitUnicodeString(&unicodeMutexBuffer,wcMutex); now my problem the project doesnt compile , i get this error: Error argument of type "UNICODE_STRING*" is incompatible with type of "PUNICODE_STRING" but in my old Driver kit , i used same way to initialize the unicode string struct

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• What the purpose/difference in using an event-type constructor

  - by phq

  In all examples I can find as well as the automatically generated code i Visual Studio, events are set using the following code: button1.Click += new System.EventHandler(this.button1_Click); But I can also write it visually cleaner by omitting the constructor wrapper: button1.Click += this.button1_Click; Which also compile fine. What is the difference between these two? And why is the first one mostly used/preferred?

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• Alternative C++ Compilers?

  - by Dr Hydralisk

  I want to start learning C++, so I downloaded Microsoft Visual Studio 2010 Express, and the entire application freezes and crashes every time I try to compile (debug and release build) something (I have tried running it in Admin Mode). Is there a good alternative compiler that I could still use VS 2010 as the IDE?

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• Using visual studio 6 c++ compiler from within emacs

  - by jörg

  Hey guys, I'm just getting started with c++ development and I would like to use emacs to write the code and then compile and run it from within emacs using the visual studio 6 compiler. I have already googled around a bit but just can't seem to find an explanation of how this is done. Any pointers? Thanks for your help, joerg

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• What is wrong with this C++ Code ?

  - by mr.bio

  Hi .. i am a beginner and i have a problem : this code doesnt compile : main.cpp: #include <stdlib.h> #include "readdir.h" #include "mysql.h" #include "readimage.h" int main(int argc, char** argv) { if (argc>1){ readdir(argv[1]); // test(); return (EXIT_SUCCESS); } std::cout << "Bitte Pfad angeben !" << std::endl ; return (EXIT_FAILURE); } readimage.cpp #include <Magick++.h> #include <iostream> #include <vector> using namespace Magick; using namespace std; void readImage(std::vector<string> &filenames) { for (unsigned int i = 0; i < filenames.size(); ++i) { try { Image img("binary/" + filenames.at(i)); for (unsigned int y = 1; y < img.rows(); y++) { for (unsigned int x = 1; x < img.columns(); x++) { ColorRGB rgb(img.pixelColor(x, y)); // cout << "x: " << x << " y: " << y << " : " << rgb.red() << endl; } } cout << "done " << i << endl; } catch (Magick::Exception & error) { cerr << "Caught Magick++ exception: " << error.what() << endl; } } } readimage.h #ifndef _READIMAGE_H #define _READIMAGE_H #include <Magick++.h> #include <iostream> #include <vector> #include <string> using namespace Magick; using namespace std; void readImage(vector<string> &filenames) #endif /* _READIMAGE_H */ If want to compile it with this code : g++ main.cpp Magick++-config --cflags --cppflags --ldflags --libs readimage.cpp i get this error message : main.cpp:5: error: expected initializer before ‘int’ i have no clue , why ? :( Can somebody help me ? :)

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• Conditionally Delete in Ant

  - by kunjaan

  I want to delete the directory if the property "delete-compiled-dir" is set to true. Right now I have <target name="deleted-after-compilation" depends="compile,jar"> <condition property="${delete-compiled-dir}" value="true"> <delete dir="${compilation-dir}" /> </condition> <echo> Deleting Compiled Directory Classes </echo> </target>

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• How to const declare the this pointer sent as parameter

  - by Tomas

  Hi, I want to const declare the this pointer received as an argument. static void Class::func(const OtherClass *otherClass) { // use otherClass pointer to read, but not write to it. } It is being called like this: void OtherClass::func() { Class::func(this); } This does not compile nad if i dont const declare the OtherClass pointer, I can change it. Thanks.

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• [gtk+] Problem with GFile

  - by sterh

  Hello, I have a: GFile* gf = g_file_new_for_path(file_path); in my code. But when i try to compile it, i see error: underfined reference to: 'g_file_new_for_path' in include section i have #include <gio/gio.h> What's weong in this code? Thank you.

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• '??' is getting converted into '^' in Visual C++. Why is it happening and what is the way out?

  - by Varun Mahajan

  '??' gets converted into '^' if I compile mn VC++ program and run it e.g. sprintf( ch, "??") prints out ^ But if I run the same code in Turbo C/C++, there is no such problem. Why is it happening on VC++ on Windows?

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• Delphi To Java code conversion: image.canvas.pixels

  - by Mattl

  I'm trying to convert an old Delphi program I wrote into Java to compile and run on my Android phone. I'm running the Android 2.1 operating system but am using version 1.6 of the SDK. I have a routine in Delphi where I set the colour of pixels on a canvas individually along the lines of: image1.canvas.pixels[x, y] := GetMyTColor(x, y); Is there a Java equivalent to the property on the Canvas: property Pixels[X, Y: Integer]: TColor

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• Developing From PC To TI-83

  - by Nathan Campos

  I'm playing with TI-83+ BASIC development. But I want to know if I can write my code on the computer and compile it, then transfer the program to the emulator.

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• How to convert an ArrayList containing Integers to primitive int array?

  - by Snehal

  I'm trying to convert an ArrayList containing Integer objects to primitive int[] with the following piece of code, but it is throwing compile time error. Is it possible to convert in Java? List<Integer> x = new ArrayList<Integer>(); int[] n = (int[])x.toArray(int[x.size()]);

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• How can I extend Eclipse Java search to JSPs?

  - by benhsu

  Friends, Our JSP code uses both Spring form tags and JSTL tags. Is there a way that when I search for getFoo() in the Eclipse Java Search, for Eclipse to also return uses of the foo property in the JSP files? I suspect the answer is "no", because there isn't a way at compile time to tell the types of the JSP beans, but its worth asking, right?

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• Get the File name with out file extension in VIM function.

  - by tr-sugumar

  I want to get the fine name with out the file extension in VIM. I wrote the following functions in my .vimrc file for compile and run the Java program. :function! JAVA_RUN() :!javac %^M :endfunction map <F3> :execute JAVA_RUN()<CR> :source $HOME/.vimrc<CR> In side the function how can I get the file name with out the extension.

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• System loops using non-integers?

  - by mary

  I wrote a .sh file to compile and run a few programs for a homework assignment. I have a "for" loop in the script, but it won't work unless I use only integers: #!/bin/bash for (( i=10; i<=100000; i+=100)) do ./hw3_2_2 $i done The variable $i is an input for the program hw3_2_2, and I have non-integer values I'd like to use. How could I loop through running the code with a list of decimal numbers?

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• Application stopped unexpectedly at Luanch

  - by Chris Stryker

  I've run this on a device and on the emulator. The app stops unexpectedly on both I have not a clue what is wrong currently It uses Google API Maps I compiled with Google Api 7 Followed this tutorial http://developer.android.com/guide/tutorials/views/hello-mapview.html (Made some alterations clearly) I did use the correct API Key That the final apk is signed with This is the source(If you compile it shouldnt work as it is unsigned) This is the compiled signed apk

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• Recommended migration strategy for C++ project in Visual Studio 6

  - by jacobsee

  For a large application written in C++ using Visual Studio 6, what is the best way to move into the modern era? I'd like to take an incremental approach where we slowly move portions of the code and write new features into C# for example and compile that into a library or dll that can be referenced from the legacy application. Is this possible and what is the best way to do it?

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• Why are there differing definitions of INT64_MIN? And why do they behave differently?

  - by abelenky

  The stdint.h header at my company reads: #define INT64_MIN -9223372036854775808LL But in some code in my project, a programmer wrote: #undef INT64_MIN #define INT64_MIN (-9223372036854775807LL -1) He then uses this definition in the code. The project compiles with no warnings/errors. When I attempted to remove his definition and use the default one, I got: error: integer constant is so large that it is unsigned The two definitions appear to be equivalent. Why does one compile fine and the other fails?

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• How to get deployed jars in Jboss

  - by Filip

  How can I get the list of jars deployed in JBoss? I want to compile some classes at runtime in EJB, but they may use some of the deployed jars, so I need to specify classpath during compilation.

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• Using pragma once in a C++ project in Xcode 4

  - by Nils

  I know that #pragma once is non-standard, however it is supported by most compilers. So on my Mac I can compile C++ code with headers that use #pragma once on the command line using clang++. The strange thing however is that it does not seem to work within Xcode. I get Invalid preprocessing directive when I try to use #pragma once. I am using the newest version of OSX (10.8.2) and Xcode (Version 4.5.1 (4G1004)).

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• How do I use the additional Silverlight Toolkit controls?

  - by Brett Rigby

  I've got VS2010 installed, I've downloaded the Windows Phone add-in and the Silverlight Toolkit from CodePlex, but I cannot work out for the life of me how to actually use the controls in a Windows Phone 7 application... How do I add the controls into the toolbox, or link them so that the XAML doesn't give me errors all the time? For instance, using the Viewbox - the controls aren't implemented, and the XAML does not compile.

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• How to tell if a DLL function is being called from a VB6 exe?

  - by aiGuru

  I have an old VB6 app and I'm not sure which code was used to compile it. One revision of the source makes a call to Sleep in kernel32.dll. Is there a way to find out if the exe calls a specific function in a DLL? I can see that kernel32.dll is linked by using the "Dependency Walker" tool but that doesn't seem to tell me that a specific function is called from the exe.

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• Local Build Server On Desktop

  - by Lennie De Villiers

  Hi, I'm looking for a local build server that I can install on my machine (Windows 7) and it will then every x minutes compile my solution, run all unit tests and notify me if the build fails or a unit test fail.

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