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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

👨🏻‍💻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

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

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

🚀 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

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

#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

#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

#TechNotes #AjibadeOlasowo #techdisciples The earlier you rise, the better for you and the people attached to you. Their success is dependent on your initiative to rise. Until you rise, they cannot shine. #DigitalEvangelism #CapacityBuilding

#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

#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

#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 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

#TechNotes #CapacityBuilding How many books have you read and completed this year? Reading one new article every week, four times a month, shows significant progress. @WorldBookDayUK @AlexAndBooks_ #AjibadeOlasowo #techdisciples #DigitalEvangelism

Why should new studs be used when used studs still look good? As a matter of “best practices”, we recommend the use of new stud bolts whenever a heat exchanger joint is reassembled, and here’s why: hubs.la/Q022MbQT0 #technotes #blog #industrial

🛠️ 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

#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