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3/3 Git: reset & file ops git reset # move HEAD git reset --soft c4feb52 # keep changes staged git reset --hard c4feb52 # discard working changes cat <file> git rm <file> rm text01.log #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

2/3 Git: cleaning & diffs git clean # remove untracked git clean -n # preview (dry-run) git clean -x # include ignored git clean -dfx # force remove all git diff HEAD^ HEAD # compare last two commits ls -a -l #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

1/3 Git: amend & revert (careful!) git commit --amend -m "my commit message" # edit last commit (only your own!) git revert <id> # undo safely #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Track & label in Git 🕵️‍♂️ git blame <file> git tag git tag "v1.0" git tag "v1.2" 536b87 git reflog # all moves & actions pwd # print working dir Small commands, big power ⚡ #MyDevJourney #JadiWay #TechNotes 🐍🖥️

Git diff magic 🪄 Compare changes with different commits: touch main.txt nano main.txt git diff git diff HEAD git diff HEAD^ git diff HEAD~2 git diff HEAD~3 main.txt Super handy for tracking edits before committing! #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

(3/3) Git Stash 🎒 Save changes without committing: git stash # tracked files git stash -u # + untracked git stash -a # + ignored git stash show git stash pop Perfect for quick context switching! #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

(2/3) .gitignore 🚫 List files/folders Git should ignore. Example: venv/ *.log *.pyc Keeps repo clean & avoids junk in commits. #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

(1/3) Git Essentials 🐙 Track changes & commit: git status git add <file> git commit -m "message" 💡 Tip: A good commit message = reason + clear description + area of change #MyDevJourney #JadiWa #TechNotes 🐍🖥️👣

(2/2) Git Config ⚙️ Set your identity (one-time): git config --global user.name "alireza" git config --global user.email "[email protected]" Now commits will be tagged with your name & email ✔️ #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

(1/2) Git Basics 🐙 Start version control: git init git init my-directory Clone repos: git clone my-url git clone --branch=master my-url git clone ../my-local-directory/ ⚡ Tip: --depth=1 for shallow clone #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

(2/2) Virtual Env workflow 📌 Save dependencies: pip freeze > requirements.txt 📌 Exit venv: deactivate Each project = its own sandbox 🏖️ → no conflicts, reproducible installs 🚀 #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

counter = it.count(3, 10) next(counter) # 3 → 13 → 23 ... Efficient looping tools in one place 🚀 #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Python number bases 🧮 bin(10) # '0b1010' → binary oct(10) # '0o12' → octal hex(255) # '0xff' → hexadecimal int('1010', 2) # binary → int int('12', 8) # octal → int int('ff', 16) # hex → int #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Python numbers & bases 🔢 int('35') str(35) int('35', 8) 2 ** 10 pow(2, 10) pow(2, 10, 100) # with mod abs(-4) round(3.14) Handy tricks for everyday math! #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Python web frameworks 🌐 Flask Django FastAPI 🚀 from flask import Flask app = Flask(__name__) @app.route("/") def home(): return "Hello, World!" app.run() #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Call an API with Python 🚀 import requests api_url = "api.open-notify.org/astros.json" response = requests.get(api_url) print(response.status_code) # 200 = OK data = response.json() print(data["number"]) 👉 requests.get() 👉 .json() #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Working with API & JSON in Python: import json data = {"name": "alireza", "age": 34} json_str = json.dumps(data) new_data = json.loads(json_str) print(new_data["age"]) # 34 dumps = dict → JSON string loads = JSON string → dict #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

👉 You can also create & edit Excel files: from openpyxl import Workbook import datetime new_wb = Workbook() ws = new_wb.active ws["A1"] = "jadi" ws.append([1, 2, 3, 4]) ws["A2"] = datetime.datetime.now() new_wb.save("funny.xlsx") #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

Working with PDFs in Python 📑 import PyPDF2 my_pdf = PyPDF2.PdfReader("file.pdf") pages = my_pdf.pages print(len(pages)) first_page = pages[0] print(first_page.extract_text()) Super handy for reading & extracting text from PDFs! #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

# Write with open("mycsv.csv", "w", newline="") as f: writer = csv.writer(f, delimiter="|") writer.writerow([1, 2, 3]) writer.writerow(["jadi", "madi", "padi"]) 👉 Also: csv.DictReader for dict-style access. #MyDevJourney #JadiWay #TechNotes 🐍🖥️👣

📌 Complete SQL Notes From basics to advanced in one thread! No fluff, just clear concepts. Bookmark it, revise it, crack that interview! 👉For full PDF notes, follow & DM me! #SQL #TechNotes #100DaysOfCode

Structured learning begins with strong foundations. Sharing my notes on Data Structures and Algorithms. #DSA #ProgrammingFundamentals #TechNotes

🛠️ BugWatch Intézet – 46-os jegyzőkönyv: Meditációs pont = shader bug. Ray tracing = instabilitás. A galaxis nem omlik össze… csak a játék. #BugWatch #TechNotes #JediSurvivor

🚀 Struggling with Data Structures & Algorithms? I’ve created a clean, simplified DSA Notes pack 🧠📘 ✅ Beginner-friendly ✅ Interview-ready 👇 Want access? Comment “DSA” & Follow me – I’ll DM it to you 💌 #DSA #TechNotes #Coding #100DaysOfCode #DSAforBeginners #Java #Python

👨🏻‍💻Explored Rust's "Basic Data Types" and created a set of concise notes to reinforce my learning! 📘 Rust’s flexibility with static typing is impressive, types are inferred if not explicitly declared. Loving Rust’s balance of power & simplicity! #Rust #programming #TechNotes

🛠️ BugWatch Intézet – 47-es jegyzőkönyv „Frame drop = időtorzulás. AI pathing = elfelejtett ösvény. A Jedi nem veszett el. Csak nem töltött be.” 📹 @glitchscribe #BugWatch #TechNotes #JediSurvivor #CodeCollapse #ZoltánMaksó

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#TechNotes #AjibadeOlasowo #techdisciples "We are not slaves; the royalty within us seeks expression. Put on your royal apparel, unleash your royal power." @yabaleftonline @GistReel #DigitalEvangelism #CapacityBuilding

🛠️ BugWatch Intézet – 7M utójelentés: Ray tracing bekapcsolva = crash. Meditációs pont = shader bug. A rendszer nem a Sötét Oldal, csak instabil. #TechNotes #JediSurvivor #BugWatch

#AjibadeOlasowo #techdisciples May you find that one transformational idea, and may you achieve greatness. Happy New Month! Welcome to July! #TechNotes #ThePureGoldNation #DigitalEvangelism #CapacityBuilding

#TechNotes #AjibadeOlasowo #techdisciples Your lust led you there. Your love for short cuts led you there. You weren't lied to. You deceived yourself. Retrace your steps, avoid getting stuck again. #DigitalEvangelism #CapacityBuilding

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Quick reference on database types; from Blockchain to Columnar! Simplifying complex concepts for easy access. #Database #DataScience #TechNotes #Learning #DataManagement

#AjibadeOlasowo #techdisciples There is deliverance in reading… In all you do, go for knowledge. Until I come, pay attention to reading. (1 Tim. 4:13) Grace and speed unto you! #TechNotes #DigitalEvangelism #CapacityBuilding

#TechNotes #AjibadeOlasowo #techdisciples They might have raised you better if they knew how to do so. We do better if we know better. @Todaysparent @parents #DigitalEvangelism #CapacityBuilding

#AjibadeOlasowo #techdisciples DEAD MEN DON'T STAY ONLINE. We often appreciate and celebrate people more after they are no longer with us. #TechNotes @yabaleftonline #DigitalEvangelism #CapacityBuilding

#TechNotes #AjibadeOlasowo #techdisciples Prioritizing design over comfort won't end well. It may lead to regret at the end of the day. Embrace beauty, but don’t ignore comfort and peace of mind. #DigitalEvangelism #CapacityBuilding

#AjibadeOlasowo #techdisciples Don't go there empty-handed. Don't go to the AI guy empty. Go there with your content. Go there because you need a digital proofreader and a comprehensive grammar checker. #TechNotes #ThePureGoldNation #DigitalEvangelism #CapacityBuilding

#AjibadeOlasowo #techdisciples (Get ready to go solo. Go your own way, and gain wisdom to know the right time to take flight and not fight. Go prepared. Go with God. So, step up, brace yourself, trust your instincts. Grace and speed be with you!) #TechNotes #ThePureGoldNation