PHP: Solve undefined key / offset / property warnings. Multi-level nested keys
This is the ad hoc tutorial on how to solve php undefined key, undefined property warnings. Five different solutions are considered. Custom function is developed.
Category Archives: Software Development
MySQL Selective/Exceptional Permissions and Backup/Restore
This is the ad hoc tutorial on how to provide exceptional or selective privileges to users, also how to backup/restore selectively in MySQL.
Find Stationary Distribution of Markov Chain using Stochastic Simulation (Gillespie’s) in Python
This is the ad hoc tutorial on how to simulate continuous Markov Chain using Gillespie’s Direct Stochastic Simulation algorithm and find its stationary distribution and estimate the accuracy.
Setup ORACLE 12C / 11G PDO for PHP 7.2 / 7.x
This is the ad hoc tutorial on how to enable PHP PDO for ORACLE 12C / 11G. We’ll install the Oracle pdo package, create the php configuration file and test the connectivity with PDO to ORACLE server.
Setup MSSQL PDO for PHP 7.2 / 7.x
This is the ad hoc tutorial on how to enable PHP PDO for MSSQL. We will install the pdo_sqlrv package, create the PHP configuration file and test the connection with PDO to MSSQL server.
Setup MySQL 80/57/56/55 in CentOS 7 [or Apache+PHP Web Server CentOS]
This is the ad hoc tutorial on how to setup MySQL 80/57/56/55 in CentOS 7 or Apache+PHP web server in CentOS 7. We will install and go through basic configurations of MySQL 8.
Setup Apache 2.4 + PHP 7.2 + CentOS 7 with Basic Security + SSL (HTTPS)
This is the ad hoc tutorial on how to setup Apache 2.4 / PHP 7.2 web server in CentOS, configure basic security and enable SSL (HTTPS).