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i tried to compile RooUnfold https://gitlab.cern.ch/RooUnfold/RooUnfold and it fault with ROOT component Unfold not found cmake error. I checked installed root's dirs and it really miss some necessary packages.
I tried windows and wsl ubuntu22 and got the same error. I have root version: 6.28.00
I want to build RooUnfold to inject it into root cling, like in tutorial
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I am looking to learn a new language, C++, but I experience some difficulties with Code::Blocks 20.03 (CB). I am currently running CB on my DELL XPS 13-9360 with Linux, Ubuntu 20.04.1 LTS. I installed CB with the instructions on this site: http://ubuntuhandbook.org/index.php/2020/03/install-codeblocks-20-03-ubuntu-18-04/ using sudo apt install codeblocks codeblocks-contrib.
Now, I create a new project on CB, keeping the default options (with GNU GCC Compiler), but when I try to build the main.cpp file (hello world), there is this error message:
obj/Debug/main.o: no such file or directory
error: no input files.
You can also see the properties of my project for Debug and advanced options:
Build
Advanced
Here is my installed packages list (got it with dpkg --list | grep c++):
Packages_list
Thanks already for any help you could bring me, and let me know if there is some missing information that you need to help me.
L.R.
I'm afraid you were bitten by this code::blocks bug, which seems to have been plaguing Code::Blocks for a while now:
#993 Will not compile sources on build if path contains international characters
You can try renaming your homework directory from "École" to "Ecole" to see if that fixes it.
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Getting error:
npm WARN read-shrinkwrap This version of npm is compatible with lockfileVersion#1, but npm-shrinkwrap.json was generated for lockfileVersion#0 while running MUP.
Update meteor using 'meteor update' command to get rid of this issue.
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I've made a simple program in c++ and SDL that utilizes both SDL_Mixer and SDL_Image. However when I try to run the .exe in the debug folder I receive a black screen with no sound or images despite the program working quite properly in Visual Studio. All the dll's are where they should be and I've made sure everything should work. So why am I receiving a black screen instead of my program. Thanks.
I receive ... no ... images despite the program working quite properly in Visual Studio.
If you're using relative paths to load external resources like images then verify your program's working directory matches what it is when Visual Studio launches it.
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I am using Visual C++ 2015. I downloaded NupenGl and extracted and when creating new projects I set the additional include libraries and additional linker input.
When I run the program I get error:
glutInit(& amp; argc, argv); // amp is undeclared identifier
so what's missing? thanks in advance
You have broken sources. Correct code should be: glutInit(&argc, argv);.
It seems that & was replaced by & converting the text to URL representation. If you downloaded that code - try another method of downloading without breaking files.
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I ran cmake and make on Box2D with success but when I try to run the Testbed the text below is displayed in the terminal but nothing else happens.
freeglut (./Testbed):
And after this I get back the prompt. Looks like OpenGL/freeglut is not working properly because the HelloWorld is working.
The system is ubuntu 12.04
The solution was super simple, but I needed a sleep to solve it. I reinstalled the graphics driver and it works.
I logged out and logged in again, the problem is gone.
I am using Mac. Actually I installed XQuartz to solve the problem
'GL/gl.h' file not found
and then running the built binary give me the error
freeglut (./Testbed): failed to open display ''
Then I remember after installing XQuartz, there's message asking me to log out to make it take effect. And after I logging back, the built binary can run.
:)