Setup Https On CentOS 7

To install an SSL certificate on CentOS, you can use the certbot tool to obtain and install Let’s Encrypt SSL certificates.Here are the step-by-step instructions. Install Certbot Obtain and Install SSL Certificate Run Certbot to obtain and install the SSL certificate for your domain: Replace your_domain.com with your actual domain Read more…

VTK WASM Error – Cannot read properties of null (reading ‘bindRenderbuffer’) at _glBindRenderbuffer

Sometimes we need to change canvas for VTK WASM 3D window.Updating renderer window and renderer is neccessary if we don’t restart all data loading.The related post is Change Canvas For VTK WASM Project. I got the following error info on the web page if do vtkSDL2OpenGLRenderWindow::Render before m_RenderWindow = newWin; (update the old rendererWindow variable). Read more…

Debug C/C++ WebAssembly On Chrome

Test environment: Ubuntu 22.04.2 LTSGoogle Chromeemcc 3.1.33clang version 17.0.0Target: wasm32-unknown-emscripten Write a simple test program. main.c: Compile it with DWARF debug information included. Download chrome (stable version): https://www.google.com/chrome/ Install chrome on ubuntu. Set up a light http server for viewing it on chrome. Then open the web page at http://0.0.0.0:4001/main.html Read more…

XOR Strings
: Input your strings, the tool can encrypt and decrypt them.

X