Understanding Design Patterns - Observer

Mary explained that she has to make several trips to the baby's room last night to make sure that the baby is fine. Obviously

Understanding Design Patterns - Simple Factory

they're a pioneer in toy manufacturing. They started production at a time when few toys were being produced commercially

Understanding Design Patterns - Singleton

You may argue that we can always just create another instance of TicketPrinter but how can you make sure everyone follows that

Understanding Design Patterns - State

John works as a customer support representative in a popular telephone support company. In a customer-service-oriented company

Understanding Design Patterns - Strategy

On days when we want to make sure we get to a certain location on time without the hassle of getting stuck in traffic

Understanding Design Patterns - Template Method

We can easily spot the code duplication in those two classes above. Both programmer and marketer share some common procedures

Using Amazon DynamoDB as session handler in CakePHP 3

we need to create a custom session handler. CakePHP's documentation has a detailed section on how to build a custom session handler

Working with Money

we will show you some pitfalls when working with money. Meanwhile we will introduce a great package that makes money easy to work with

Your first GraphQL API - Nested Queries

When retrieving articles' data, it makes more sense to fetch belonging author's data as well instead of "author_id"

Your first GraphQL API - Pagination

It may cause a performance issue if you have a huge amount of records in your database and you try to load them at once

Your first GraphQL API - Search

we are going to show you how to implement nested queries in GraphQL and see how GraphQL loads data dynamically on the fly

Your first GraphQL API - Sorting

The mechanism behind sorting is much simpler comparing to pagination. We pass in a field and its order to the request