Flutter Knowledge sharing #14

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Welcome to another Flutter knowledge sharing story. As a Flutter beginner, We all know that We should learn about fundamental usages which applying frequently in a mobile application. So far, We have done tutorials of those essentials. This is another step to create an API using PHP and MySQL. I hope this will really helpful. With this one, you can learn so much of what you do not know. I have written about what are the CRUD operations and how they implement with SQLite and Firebase. This story will describe how to perform CRUD operations with…


Flutter Knowledge Sharing #12

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This series of stories is sharing knowledge about Flutter. This is another step of that journey. Widgets are the main building block of Flutter. But the code implementation is based on the programming knowledge with Dart language. Therefore a good Flutter developer will emerge as a good mixer of these two parts. So in these stories, you can get knowledge about both widgets and Dart language. Here we are going to discuss two methods by which we can implement a Splash screen of our application.

The splash screen is the first screen or the launch screen…


Flutter knowledge sharing #10

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The scaffold class is providing APIs for implementing Drawer, SnackBar, BottomNavigationBar, Floating Action Bar, App Bar. The scaffold will appear the whole screen and It will expand by the above elements in the UI, i.e. It will expand over the available space. Therefore scaffold class can hold basic UI elements of the application. I will describe the details which you want to know and really important with code examples. In this story, you will get a basic approach to how to work with scaffold widget. …


knowledge sharing in Flutter #8

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This is another step of our Flutter journey. The purpose of this series of the story is solving your small implementation problems with mobile development. Flutter is the most emerging cross-platform framework nowadays. In this story, I will show you how to implement a drop-down menu list. It’s simple. Cool !!!

First, you need to create a new project. We are going to edit the main. dart file only. So you no need to create any other file rather main.dart file is created initially.


Make sure are you considering these factors?

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Photo by https://unsplash.com/@markusspiske on Unplash

In this story, I have explained a few facts to follow in Medium. Among all the platforms to earn by writing, Medium is the best and most emerging platform. As Software Engineer, have to follow SEO techniques which we can use to rank of our products among other similar products. Here we are getting these steps to change our product mainly, but not to change anything other. Because our product is in our own control, not other’s products. Here products mean web sites, mobile apps etc. In Medium, we have stories as our…


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In our Flutter knowledge sharing journey, Here we are on the 5th step. We will go deeper in Flutter in the next stories. Again we are going to discuss Flutter + Firebase because you should know how to work with Firebase as a mobile developer. It makes advantages on more startup and individuals to get in success with there products with a limited user base. But Here I not recommended the Firebase for fast-growing, huge user based products. You better to read about that more, I am on my own experience.

I am not going to repeat the story about…


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Flutter was introduced by Google in 2018. It is the most rapidly growing mobile cross-platform development framework. Because of so many reasons, Mobile Developers are more engaging with it day by day. However, as a Flutter beginner, You need to learn mainly about widgets and how they are functioning. This is another small knowledge sharing story of mine about Flutter Slider material design widget.

Sliders are applying in many ways. Mainly we use discrete sliders to select a value precisesly. Think about a slider that select the volume level, User should slide and select the value between 0 to 10…


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CRUD operations are the main functions you want to know as a developer in every language or framework. We have discussed the Flutter CRUD operations with SQLite Database in this article. Here I am going to show you, how to develop it with Firestore databases from the project creation step. Firebase has deprecated some functionalities with version 0.14.0. So you need to update with these new changes or If you are a beginner, You will get into trouble with old tutorials. Follow the steps one by one and see the results.

Create a new flutter application. Here I used the…


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Propositional logic also known as statement logic is a very popular technique to represent the idea clearly and accurately. The semantics of logic specify the meaning of a proposition. This story is exploring what are the theories behind the proportional logics and how to solve them. This is a formal way of knowledge representation in Mathematics which is using also in Artificial Intelligence(AI). Logic is a language. Therefore It has lexicon, syntax, semantic mechanisms.

Table of Content

  1. Statements with words
  2. Statements with symbols
  3. Truth Tables

1. Statements with words

A statement(proposition) is a statement where we can definitely say whether completely true or false. But not both…


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Here we go with Go. Go programming language was developed by Google in 2007. It was released in 2009 officially. Go is consists of high powerful libraries to achieve fast and high performances. It's an open-source programming language. We can develop applications easily and simply using it. Google had a purpose to develop a loosely-based language such as C. So, This is the result of that. Nowadays Go is using by many companies and getting popular day by day such as GitHub. Intel, Nokia, Mozilla, YouTube etc.

Here I explained the fundamentals of language structure. As a beginner of Go…

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