Custom Software, Infinite Possibilities.
Established in 2020, Delta Dev Software is a smaller-sized company based in France, specializing in software development. Despite its compact size, Delta Dev Software has quickly gained recognition as a top-tier provider of custom software solutions. Focused on mobile, web, and desktop platforms, this dedicated team prides itself on delivering tailored applications that meet their clients’ unique needs.
Blogs
Stay ahead with our blogs, blending real-world experience and the latest tech.
Front End Learning Roadmap
anis kchaou
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September 13, 2025
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css css package manager package manager linters linters module bundler module bundler testing testing typescript typescript spa spa Reactjs Reactjs Angular Angular …
SQL Learning Roadmap
anis kchaou
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September 13, 2025
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Basic Operations Basic Operations Complex Queries Complex Queries Views Views Stored Procedures and Functions Stored Procedures an… Triggers and Events Triggers and …
Replica sets in databases
anis kchaou
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September 13, 2025
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What is a Replica Set? A replica set is a group of database servers that maintain the same dataset to provide redundancy …
CRUD operations in MongoDB
anis kchaou
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September 13, 2025
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1. CREATE (Insert Documents) Insert one document: Insert multiple documents: 2. READ (Query Documents) Find all documents: Find documents with a condition: …
Database version control and migrations
anis kchaou
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September 13, 2025
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1. Version Control in Databases Just like version control for code (Git, for example), database version control is a way to track …
Cursors in SQL
anis kchaou
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September 13, 2025
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1. What is a Cursor? A cursor is a database object used to retrieve, traverse, and manipulate one row at a time …
CASCADE in SQL
anis kchaou
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September 13, 2025
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In SQL, CASCADE is an option used with FOREIGN KEY constraints when defining relationships between tables. It specifies that certain actions on …
Time-Series Database
anis kchaou
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September 13, 2025
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A Time-Series Database (TSDB) is a type of database optimized specifically for storing, retrieving, and analyzing time-stamped data, i.e., data points indexed …
WebRTC (Web Real-Time Communication)
anis kchaou
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September 13, 2025
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WebRTC (Web Real-Time Communication) in JavaScript is a set of APIs and protocols that allows web applications to establish peer-to-peer (P2P) connections …
WebSockets
Anis KCHAOU
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September 13, 2025
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WebSockets is a communication protocol that enables full-duplex, persistent connections between a client (like a web browser) and a server over a …
Progressive Web App (PWA)
anis kchaou
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September 13, 2025
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A Progressive Web App (PWA) is a type of web application that uses modern web technologies to deliver an experience similar to …
Java Learning Roadmap
anis kchaou
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September 13, 2025
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Basics Basics Overview Overview Java Learning roadmap Java Learning roadmap OOP OOP Exception handling Exception handling Multi threading Multi threading Java I/O …
Spring Boot learning roadmap
anis kchaou
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September 11, 2025
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Spring Core Spring Core Spring Web Spring Web Archituctural Pattern Archituctural… Spring AOP Spring AOP Spring Security Spring Security Spring Data Spring …
System Design Principles
anis kchaou
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September 11, 2025
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System Design Principles are the fundamental guidelines and best practices used to build scalable, maintainable, and reliable software systems. They help backend …
Casting Array to Collection and vice versa in Java
anis kchaou
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September 11, 2025
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1. Array → Collection (List/Set) Java provides multiple ways to convert an array into a collection (usually a List or Set). ✅ …
Regex (Regular Expressions) in Java
anis kchaou
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September 11, 2025
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Java provides java.util.regex package with two main classes: Basic Example ✅ Output: Common Regex Patterns in Java Task Regex Example Match Digits …
Reflection in Java
anis kchaou
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September 11, 2025
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1. What is Reflection in Java? Reflection is a feature in Java that allows a program to inspect and manipulate classes, methods, …
Palindrome checking in Java
anis kchaou
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September 11, 2025
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Let’s go over Palindrome checking in Java. A palindrome is a string, number, or sequence that reads the same forward and backward, …
Anagram checking in Java
anis kchaou
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September 11, 2025
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Let’s go over Anagram checking in Java. An anagram is when two strings have the same characters in a different order, e.g., …
String reversal in Java
anis kchaou
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September 11, 2025
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Let’s go over string reversal in Java. There are several ways to reverse a string, from simple to more advanced. I’ll cover …
Linear Search in Java
anis kchaou
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September 11, 2025
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Linear Search Algorithm Iterative Linear Search ✅ Output: Recursive Linear Search Notes:
Binary Search in Java
anis kchaou
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September 11, 2025
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Binary Search Algorithm Binary Search works on sorted arrays and uses divide-and-conquer: Time complexity: O(log n)Space complexity: O(1) for iterative, O(log n) …
Power Function using recursion in Java
anis kchaou
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September 11, 2025
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Problem We want to compute: ab=a×a×a… (b times)a^b = a times a times a dots ; (b text{ times}) For example: Recursive Idea Simple …
Greatest Common Divisor (GCD)
anis kchaou
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September 11, 2025
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What is GCD? The Greatest Common Divisor (GCD) of two numbers is the largest positive integer that divides both numbers without leaving …
Fibonacci using recursion in Java
anis kchaou
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September 11, 2025
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What is Fibonacci? The Fibonacci sequence is defined as: F(0)=0,F(1)=1F(0) = 0, quad F(1) = 1 F(n)=F(n−1)+F(n−2)for n≥2F(n) = F(n-1) + F(n-2) quad …
Factorial using recursion in Java
anis kchaou
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September 11, 2025
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What is Factorial? The factorial of a number n (denoted as n!) is the product of all positive integers up to n. …
Sum of Digits in recursion
anis kchaou
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September 11, 2025
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The “Sum of Digits in recursion” in Java refers to solving the problem of finding the sum of digits of a number …
npm vs pnpm vs npx vs yarn
anis kchaou
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August 26, 2025
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1. npm (Node Package Manager) 🔹 Example: Install React 🔹 Install globally: 🔹 Run project scripts (from package.json): 2. npx (Node Package …
Playwright
anis kchaou
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August 26, 2025
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Playwright is an open-source end-to-end testing and browser automation framework developed by Microsoft. It allows you to automate actions in web browsers …
Cypress
anis kchaou
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August 26, 2025
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Cypress is a modern end-to-end (E2E) testing framework for web applications. It’s mainly used to test how your app behaves in a …
Boost Your Business with Quality Software
Investing in quality software can significantly streamline your business operations, leading to increased efficiency and higher profits. With the right software solutions in place, tasks that once took hours can now be completed in minutes, allowing you and your team to focus on more strategic aspects of your business.
Our Services
We provide 4 basic services in the digital market. All services are presented, exceptional and innovative.
Web development
Mobile development
Application maintenance
consultancy
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Clients
Sales
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Web Applications
Mobile Applications
Web Apps
We provide 4 basic services in the digital market. All services are presented, exceptional and innovative.
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Megasteel
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Managem
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UpRecruit
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LibraryLab
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CarRental
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HotelResidence
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StockBay
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Magazette
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GYM
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Dentic
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LifeCare
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Accountt
Our offers
Delta dev Software is a digital software and IT development company in France. We have been working in software development since 2020.
Development of fixed price projects
Flat-rate IT development is invoiced on a fixed amount which is calculated according to the scope of the project and is fixed and agreed in advance with the client.
Development of projects under management
On-site development consists of invoicing the exact time spent on your project.
Contact us
Address :
14 rue du Docteur François
Lagrée, Redon (35600)
Telephone :
+33 6 43 82 48 70
WhatsApp :
+33 6 43 82 48 70
Email :
contact@delta-dev-software.com
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