Git nâng cao thực dụng: switch, patch, worktree, reflog và bisect
Cẩm nang Git nâng cao theo tình huống thực tế: tách commit bằng patch, chuyển thay đổi, làm nhiều branch song song, tìm commit gây lỗi và phục hồi lịch sử an toàn.
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24 entries
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Hiểu sâu Git HEAD, refs và reflog — Workflow chuyên nghiệp, phục hồi tự tin
Mental model Git dành cho developer: HEAD và branch thực sự là gì, cách đọc revision, phân biệt reset/restore/revert, dùng reflog cứu lịch sử và workflow an toàn khi làm việc nhóm.
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Command Line cho Developer · Part 10 - Bash Automation Playbook
Capstone command line: khi nào viết script, template bash an toàn, strict mode, trap cleanup, require_cmd, dry-run, parse args đơn giản và project doctor script.
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Neovim · Part 1 — Roadmap chuyển từ VSCode sang Nvim
Lộ trình học Neovim 2025-2026: mental model, setup hiện đại, kỹ năng cần luyện, stack plugin nên dùng và cách đi từ gà mờ đến pro.
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Command Line cho Developer · Part 9 - Docker, SSH & Remote Files
Command line cho môi trường thật: ssh config, scp, rsync, tail log remote, docker ps/logs/exec/cp/stats, compose up/logs/exec/down và checklist debug container.
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Command Line cho Developer · Part 8 - Node, npm, pnpm & Package Scripts
Workflow Node/package manager trong terminal: node/npm/pnpm version, corepack, npm run, pnpm exec/dlx, npm ci, frozen lockfile, env vars, npm ls và pnpm why.
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Command Line cho Developer · Part 7 - Processes, Ports & System Debugging
Debug máy dev bằng CLI: ps, pgrep, kill, lsof, ss/netstat, nc, top/htop, env, PATH, command -v, df/du và recipe xử lý port bị chiếm.
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Command Line cho Developer · Part 6 - Debug API with curl & jq
Debug HTTP API bằng terminal: curl GET/POST, headers, auth, status code, redirects, timeout, verbose mode, lưu response và jq để đọc/lọc JSON.
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Command Line cho Developer · Part 5 - Git Commands Daily Workflow
Git CLI hằng ngày cho developer: status, diff, add -p, commit, log, branch/switch, stash, restore, rebase/pull, review trước khi push và rollback an toàn.
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Command Line cho Developer · Part 4 - Pipes, Redirection & xargs
Ghép command thành workflow: stdin/stdout/stderr, pipe, >, >>, 2>, tee, command substitution, xargs, while read và pattern xử lý file hàng loạt an toàn.
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Command Line cho Developer · Part 3 - Search Code with rg, find & fd
Tìm kiếm codebase như senior: rg cho nội dung, find/fd cho file, glob/exclude, context lines, file list, null separator và recipe tìm config/TODO/symbol.
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Command Line cho Developer · Part 2 - Inspect Files, Logs & Output
Các lệnh đọc file và log hằng ngày: cat, less, head, tail -f, wc, file, du, df, sort, uniq, cut, diff và cách inspect output không mở editor.
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Command Line cho Developer · Part 1 - Terminal, Files & Navigation
Nền tảng terminal cho developer: prompt, cwd, command/args/flags, exit code, path, ls/cd/pwd, tạo-di chuyển-copy-xóa file, shortcut và bài tập.
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Tailwind, Radix & shadcn/ui · Part 9 — shadcn/ui: Philosophy & Setup
Why shadcn is "not a component library", how the CLI and components.json work, and adding your first components — the moment Tailwind, Radix and cva/cn click into one workflow. With a live component gallery.
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Bash & Shell Scripting · Part 10 — Real-World Automation & Best Practices
Capstone: getopts, usage(), script structure, logging, env config, and a production-grade backup script with traps and validation — plus best practices and when NOT to use bash. Bilingual exercises.
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Bash & Shell Scripting · Part 9 — Robust Scripting & Error Handling
Harden bash scripts with set -euo pipefail, traps, mktemp cleanup, die(), IFS, set -x debugging, ShellCheck, and idempotency — bilingual, with a comparison table and exercises.
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Bash & Shell Scripting · Part 8 — Text Processing: grep, sed & awk
grep, sed, and awk for shell text processing: flags, substitution, field parsing, cut/sort/uniq/tr/wc pipelines — bilingual, with real log pipelines and exercises.
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Bash & Shell Scripting · Part 7 — I/O, Redirection & Pipes
Master bash I/O: stdin/stdout/stderr, > and >>, 2>&1 order traps, /dev/null, here-docs, pipes, tee, and read — bilingual, with a comparison table and exercises.
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Bash & Shell Scripting · Part 6 — Arrays & String Manipulation
Indexed and associative bash arrays, string slicing, prefix/suffix removal, search/replace, case conversion, safe iteration, and parameter defaults — bilingual, with exercises.
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Bash & Shell Scripting · Part 5 — Functions, Arguments & Sourcing
Bash functions: define with name() or function, pass $1/$@, return exit codes not strings, capture output with $(), scope with local, source library files — bilingual, with exercises.
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Bash & Shell Scripting · Part 4 — Loops: for, while, until & Reading Input
Master bash loops: for-in over lists and files, C-style for, while/until, safe line-by-line reading with IFS= and read -r, process substitution vs pipes, break/continue, and brace expansion — bilingual, with exercises.
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Bash & Shell Scripting · Part 3 — Conditionals: if, test, [[ ]] & Exit Codes
Master bash conditionals: if runs on exit codes (0 = true), test vs [[ ]], file/string/numeric operators, && || short-circuit, and case patterns — bilingual, with exercises.
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Bash & Shell Scripting · Part 2 — Variables, Quoting & Expansion
Variables without spaces around =, quoting rules, ${var} braces, command and arithmetic expansion, positional args, defaults, export, and why "$var" beats bare $var — bilingual, with exercises.
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Bash & Shell Scripting · Part 1 — The Shell, the Shebang & Your First Script
Start scripting from zero: what a shell really is, bash vs sh, the shebang line, making a script executable, the three ways to run it, echo vs printf, and exit codes — bilingual, with exercises.