Django Custom Month and Year Lookup

Everyone want to keep Django timezone support but sometimes you need to keep your SQL queries a way from timezone conversion especially if by default your application timezone is UTC. Django will do something like this CONVERT_TZ(`app_incident`.`datetime`, 'UTC', 'UTC')) and it will return Null if the timezone table is empty. Even that conversion is not even needed.

continue reading »

Django Custom Lookups

By default Django has a date lookup that support timezones. It actually will wrap your field with CONVERT_TZ in case USE_TZ is True. This is pretty awesome unless you have timezones table empty because this call will return Null.

continue reading »

Building a Service Mesh with Consul

How To Create Custom Validation Rules With Laravel

Load balancers aren’t efficient in a dynamic environment where we scale services up or down. Consul uses a registry to keep a real-time list of services, their location, and their health. Services query the registry to discover the location of upstream services and then connect directly. This allows services to scale up/down and gracefully handle failure

continue reading »

Docker in a Nutshell

Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files.

continue reading »

How To Set Up MySQL Master-Master Database Replication

How To Set Up MySQL Master-Master Database Replication

One of the most difficult tasks for software engineers is scaling out the databases incase of large traffic applications. Today we will discuss one of the horizontal scaling techniques which is the Master-Master replication. Master-Master replication adds speed and redundancy and also distribute the writes load over many servers.

continue reading »