Programming Tutorial

Cognitive Technology Team

Mar 23, 2025 · Fundamentals

Swapping Two Variables in Java Without a Temporary Variable

This tutorial explains how to exchange the values of two Java variables without using a temporary variable, covering three techniques—arithmetic addition/subtraction, multiplication/division, and bitwise XOR—along with complete code examples, step‑by‑step explanations, output results, and discussion of each method’s advantages, limitations, and appropriate use cases.

ArithmeticBitwise OperationsJava

0 likes · 7 min read

Swapping Two Variables in Java Without a Temporary Variable

Test Development Learning Exchange

Feb 25, 2025 · Fundamentals

Comprehensive Guide to Python List Operations with Practical Examples

This article introduces Python lists, explains their core operations such as adding, removing, searching, sorting, and iterating, and provides ten detailed code examples that illustrate common use cases and scenarios for effective list manipulation.

Data StructuresProgramming Tutorialcode examples

0 likes · 7 min read

Comprehensive Guide to Python List Operations with Practical Examples

php中文网 Courses

Jul 9, 2024 · Backend Development

How to Define, Pass, Iterate, and Return Arrays in PHP Functions

This article explains how to define arrays using array(), pass them as function parameters, iterate over them with for and foreach loops, and return modified arrays in PHP functions, providing complete code examples for each step.

FunctionsPHPProgramming Tutorial

0 likes · 6 min read

How to Define, Pass, Iterate, and Return Arrays in PHP Functions

Architecture Development Notes

Apr 15, 2024 · Fundamentals

Boost Your Rust Learning with evcxr REPL: Installation and Quick Tips

This guide explains what a Rust REPL is, how to install the evcxr_repl tool using Rustup and Cargo, and demonstrates running the REPL, experimenting with variable declarations, external crates, data types, and error handling, while noting its limitations for larger projects.

Code ExperimentationInstallationProgramming Tutorial

0 likes · 5 min read

Boost Your Rust Learning with evcxr REPL: Installation and Quick Tips

Python Programming Learning Circle

Dec 11, 2023 · Fundamentals

Python Movie Ticket Booking System with Seat Selection and Film Selector

This article presents a complete Python console application that demonstrates how to build a movie ticket booking system, including data structures for film information, a seat‑booking class with interactive reservation methods, a film‑selection interface, and a controller that ties everything together, accompanied by full source code listings.

Console ApplicationProgramming TutorialPython

0 likes · 10 min read

Python Movie Ticket Booking System with Seat Selection and Film Selector

Test Development Learning Exchange

Jul 12, 2023 · Fundamentals

Python Network Port Scanner Tutorial

This article provides a comprehensive guide on building a network port scanner using Python, covering implementation principles, code examples, and practical usage instructions.

Network SecurityPort ScannerProgramming Tutorial

0 likes · 8 min read

Top Architect

Jun 7, 2021 · Backend Development

Comprehensive Guide to Java Stream API with Practical Examples

This article provides an in‑depth tutorial on Java 8 Stream API, covering creation, intermediate and terminal operations, filtering, mapping, reducing, collecting, grouping, sorting, and practical code examples for processing collections such as employee data.

CollectionsJavaJava 8

0 likes · 21 min read

Comprehensive Guide to Java Stream API with Practical Examples

Architecture Digest

Sep 18, 2016 · Fundamentals

Smart Audio Recorder Based on Volume Threshold – Implementation and Code

This article describes a C# program that continuously captures microphone audio, uses volume thresholds derived from Fourier analysis to automatically start and stop recording, and provides the full configuration and source code needed to build a smart recorder for capturing dream speech.

C++Programming Tutorialaudio recording

0 likes · 7 min read

Smart Audio Recorder Based on Volume Threshold – Implementation and Code