Here is the source code of one of the most used sudoku solvers. It serves the this online sudoku solver.
OpenSesim is an open source stock exchange simulator, where you can find the source code on Github here. To work with the source code on OpenSesim it's recommended to use the Netbeans IDE. If you are using Ubuntu 18.04, you can find here instructions to install Netbeans. You can clone the source directly in Netbeans.… Read More »
First you have to install OpenJDK 8 because Netbeans doesn't work with OpenJDK 11 which is installed on Ubuntu 18.04 by default. sudo apt-get install openjdk-8-jdk Next download here the Netbeans installer of your choice for Linux. If you chose Netbeans IDE Java SE you should get the file: netbeans-8.2-javase-linux.sh. Now start the installer, setting… Read More »
Look at the following PHP code snipped. It's a function which calculates the product of its two arguments and returns the result if both arguments are of type integer. Otherwise the function returns false. So far so good. The function does what it should do, and I have seen a lot of functions written this… Read More »