Awareness of Product Development

Software development can be understood simply as a program to receive inputs (i.e customer needs) and then produce outputs (i.e working software). It is worth it to know how many steps are in that program. When something gets stuck in a step, everyone is aware of that.

The first painting of my son

The General Process Big Picture

There are two main factors in this picture including the people with roles and their interactions. All people involved in developing the product know their responsibilities clearly and how to make things done right. Therefore, a good collaboration can be reached.

Product Roadmap Contribution

It would be great for developers to know what the next features to work on are as well as when those features will be delivered. Therefore, the product roadmap is very important.

The items in the roadmap should be contributed by ALL people involved in the product.

Because software engineers directly develop, test, delivery, and monitor the software, they should also contribute ideas to the roadmap.

How to contribute

- For small features, just create a User Story in the Product Backlog and share it with Product Owner (PO)

- For big features (knowns as Epic), create a document to describe it and discuss it with the PO.

Technical Consulting

The sales team, Product Manager, and PO work closely with customers. However, they are almost non-technical people. Therefore, technical consulting from Developers is needed.

Normally, the process of technical consulting consists of the following steps:

- Product Manager/Product Owner creates a document to describe the features' idea

- Developers describe the proposals including architectures and rough estimation. It is important that Developers are the ones who give the estimation directly. The Technical Architect plays the role of facilitating the team to have good proposals. Depending on the feature’s complexity, the research/spy user story should be created first.

For simple issues, technical consulting also can be simply conducted by direct communication without the need of creating a document.

Product Operation

Even though Developers do not operate and maintain the applications in the production environment, they should know how it is operated too. It will impact how the features are implemented as well as avoid some issues when running in production by implementing a good mechanism. Therefore, it requires some transparent information for them.

- A document describes the deployment views, infrastructure, practices, version, etc (i.e Confluence pages)

- Communication channels (i.e weekly catch-up)

Comments

Why Functional Programming Matter

What issues do we concern when implementing and maintaining systems? One of the most concern is debugging during maintenance: "this code crashed because it observed some unexpected value." Then, it turns out that the ideas of no side effects and immutability , which functional programming promotes, can help. Shared mutable data is the root cause Shared mutable data are read and updated by more than one of the methods. Share mutable data structures make it harder to track changes in different parts of your program. An immutable object is an object that can't change its state after it's instantiated so it can't be affected by the actions of a function. It would be a dream to maintain because we wouldn't have any bad surprises about some object somewhere that unexpectedly modifies a data structure. A new thinking: Declarative programming There are two ways thinking about implementing a system by writing a program. - Imperative programming: has...

The HelloWorld example of JSF 2.2 with Myfaces

I just did by myself create a very simple app "HelloWorld" of JSF 2.2 with a concrete implementation Myfaces that we can use it later on for our further JSF trying out. I attached the source code link at the end part. Just follow these steps below: 1. Create a Maven project in Eclipse (Kepler) with a simple Java web application archetype "maven-archetype-webapp". Maven should be the best choice for managing the dependencies , so far. JSF is a web framework that is the reason why I chose the mentioned archetype for my example. 2. Import dependencies for JSF implementation - Myfaces (v2.2.10) into file pom.xml . The following code that is easy to find from http://mvnrepository.com/ with key words "myfaces". <dependency> <groupId>org.apache.myfaces.core</groupId> <artifactId>myfaces-api</artifactId> <version>2.2.10</version> </dependency> <dependency> <groupId>org.apache.myfaces.core<...

Coding Exercise, Episode 1

I have received the following exercise from an interviewer, he didn't give the name of the problem. Honestly, I have no idea how to solve this problem even I have tried to read it three times before. Since I used to be a person who always tells myself "I am not the one good at algorithms", but giving up something too soon which I feel that I didn't spend enough effort to overcome is not my way. Then, I have sticked on it for 24 hours. According to the given image on the problem, I tried to get more clues by searching. Thanks to Google, I found a similar problem on Hackerrank (attached link below). My target here was trying my best to just understand the problem and was trying to solve it accordingly by the Editorial on Hackerrank. Due to this circumstance, it turns me to love solving algorithms from now on (laugh). Check it out! Problem You are given a very organized square of size N (1-based index) and a list of S commands The i th command will follow t...

A Template for Software Engineering Standards

Software engineering standard template A well-structured standard acts as a blueprint that guides engineers in their daily tasks and long-term goals. Below, I will outline a template for creating a comprehensive software engineering standard. Header The header serves as the document's identifier. It contains the following: Authors : The people who have contributed to the creation of the standard. Created Date : The date when the document was initially created. Version : The version of the standard. It is typically updated with significant changes. Status : The current status of the document, whether it's in draft, in-review, or official. Next Review Date : The date when the standard will be reviewed for relevancy and accuracy. Table of Contents A table of contents provides an overview of what the document contains, making it easier for readers to navigate through the document. Body The body of the standard comprises: Values : The core beliefs that guide the decision-maki...

MS SQL Server Views

"Creates a virtual table whose contents (columns and rows) are defined by a query. Use this statement to create a view of the data in one or more tables in the database. For example, a view can be used for the following purposes: - To focus, simplify, and customize the perception each user has of the database. - As a security mechanism by allowing users to access data through the view, without granting the users permissions to directly access the underlying base tables. - To provide a backward compatible interface to emulate a table whose schema has changed." [1] Beside that, our team used view in order to improve the performance of our web apps when a database has a very complicated relationship between its tables by using ORM Frameworks such as Hibernate. Example code: --create CREATE VIEW placeholders AS SELECT EMPKEY AS empkey, CONNUMB AS connumb, EMPNBR AS empNbr, ACEEMPN AS empFirstName, ACEEMPFN AS empLastName, EMPNAM AS empFullName, ...

vhandit

Search This Blog