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IT Services Circle

Delivering cutting-edge internet insights and practical learning resources. We're a passionate and principled IT media platform.

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IT Services Circle
IT Services Circle
Mar 6, 2026 · Operations

Top 8 Modern Terminals to Supercharge Your Development Workflow in 2026

This article reviews eight cutting‑edge terminal emulators—WezTerm, Alacritty, Ghostty, Kitty, Warp, Rio, Tabby, iTerm2, and Windows Terminal—highlighting their GPU‑accelerated rendering, cross‑platform support, AI integration, and unique features to help developers choose the best tool for coding, scripting, remote SSH, and DevOps workflows.

AI integrationCross‑platformGPU rendering
0 likes · 8 min read
Top 8 Modern Terminals to Supercharge Your Development Workflow in 2026
IT Services Circle
IT Services Circle
Mar 5, 2026 · Fundamentals

Simulating OOP Polymorphism in C with Function Pointers and Vtables

The article walks through a C programmer's journey from hard‑coded if‑else shape handling to embedding function pointers in structs, introducing shared function tables, automatic initialization, memory savings, inheritance via table overrides, and finally showing how C++ virtual functions automate the same mechanism.

C programmingInheritancePolymorphism
0 likes · 10 min read
Simulating OOP Polymorphism in C with Function Pointers and Vtables
IT Services Circle
IT Services Circle
Mar 4, 2026 · Fundamentals

Why utils.py Turns Into a Code Dump and 3 Better Alternatives

A bloated utils.py quickly becomes a maintenance nightmare because it mixes unrelated logic, hides business rules, and creates tight coupling, but by reorganizing functions into domain‑specific modules, class methods, or tiny generic utility packages you can restore clarity, testability, and scalability.

Code Organizationrefactoringsoftware design
0 likes · 11 min read
Why utils.py Turns Into a Code Dump and 3 Better Alternatives
IT Services Circle
IT Services Circle
Mar 4, 2026 · Artificial Intelligence

30 Real-World OpenClaw AI Agent Use Cases You Can Deploy Today

The article introduces the open‑source "awesome-openclaw-usecases" repository, showcasing 30 practical AI agent scenarios across social media, creative development, DevOps, productivity, research, and finance, and explains how to access and run these examples, including a detailed Daily Reddit Digest workflow.

AI AgentDevOpsGitHub
0 likes · 8 min read
30 Real-World OpenClaw AI Agent Use Cases You Can Deploy Today
IT Services Circle
IT Services Circle
Mar 2, 2026 · Information Security

Why HTTPS Beats HTTP: Encryption, Certificates, and TLS Handshake Explained

This article explains why HTTP is insecure—prone to eavesdropping, tampering, and identity spoofing—and how HTTPS uses symmetric and asymmetric encryption, hash functions, digital certificates, and a four‑step SSL/TLS handshake to provide confidentiality, integrity, and authentication for web traffic.

HTTPSInformation SecuritySSL handshake
0 likes · 17 min read
Why HTTPS Beats HTTP: Encryption, Certificates, and TLS Handshake Explained
IT Services Circle
IT Services Circle
Mar 1, 2026 · Interview Experience

Li Auto Java Campus Interview Guide: Salary Insights and Core Java Q&A

This article combines Li Auto's 2026 campus recruitment salary data—showing typical offers ranging from 25k to 32k monthly with 14‑16 month packages—and a comprehensive Java interview cheat‑sheet covering inheritance vs interfaces, Map implementations, String handling, ConcurrentHashMap internals, reference types, memory‑leak detection, design patterns, observer pattern, multithreading, Future execution, and deadlock prevention.

ConcurrentHashMapJavaLi Auto
0 likes · 27 min read
Li Auto Java Campus Interview Guide: Salary Insights and Core Java Q&A
IT Services Circle
IT Services Circle
Feb 28, 2026 · Artificial Intelligence

Unlock Adaptive Crawling, AI Agent Memory, and Remote Claude Code with Open‑Source Tools

This article introduces four open‑source projects—Scrapling for self‑adjusting web crawling, Agent‑Skills‑for‑Context‑Engineering for AI agent memory management, claude‑code‑telegram for remote Claude Code access via Telegram, and Hugging Face Skills for versatile AI task automation—detailing their core features, popularity, and installation steps.

AI agentsHugging FacePython
0 likes · 7 min read
Unlock Adaptive Crawling, AI Agent Memory, and Remote Claude Code with Open‑Source Tools
IT Services Circle
IT Services Circle
Feb 27, 2026 · Artificial Intelligence

How GitNexus Gives AI a Full‑Code‑Base View to Prevent Hidden Bugs

GitNexus is an open‑source knowledge‑graph tool that indexes an entire codebase, exposing dependencies and call chains so AI assistants can understand global architecture, instantly show impact of changes, and dramatically reduce the risk of introducing new bugs during development.

CLIKnowledge Graphcode analysis
0 likes · 6 min read
How GitNexus Gives AI a Full‑Code‑Base View to Prevent Hidden Bugs