Everyday Life & Tech Hacks

ps aux --sort=-%mem | awk 'NR<=10 {printf "%-10s %-8s %-6s %-6s %s\n", $1, $2, $3"%", $4"%", $11}'

Ensure file is baseline JPEG (.jpg), exactly 300x300 px for photo (size 4KB-100KB) and 300x80 px for signature (size 3KB-60KB). Use THE SABBiR OS Gov Photo Sizer for 1-click conversion.

শুধুমাত্র [প্রতিষ্ঠানের নাম] [উদ্দেশ্য]-র জন্য প্রযোজ্য — অন্য কোনো কাজে ব্যবহার নিষিদ্ধ। তারিখ: [DD/MM/YYYY]

Act as a Principal Staff Engineer with zero vendor loyalty. Compare [Technology A] vs [Technology B] for a high-concurrency production system. Format the response strictly into:
1. Hard Physical Constraints & Memory Overhead
2. Worst-case Failure Modes in Production
3. What breaks first under 10x traffic spike
4. When you should NEVER choose each option. Avoid marketing summaries.

docker system prune -af --volumes

Press the period key (.) on your keyboard while viewing any GitHub repository to instantly open github.dev web editor. Alternatively change 'github.com' to 'github.dev' in the URL.

sudo fuser -k 3000/tcp || sudo lsof -ti:3000 | xargs sudo kill -9

Instruct your sender to use Purpose Code 9101 (Software Export/IT Services) or Wage Earner Remittance. Never withdraw via agent MFS if payout exceeds $200—use direct Commercial Bank Wire (City/BRAC/EBL) for automatic 2.5% Bangladesh Bank cash credit.

git clone --depth 1 --single-branch -b main https://github.com/user/repo.git

Visit https://services.nidw.gov.bd/nid-pub/ -> Register with NID/Form No and Date of Birth -> Complete face verification via NID Wallet App to download PDF copy.

ffmpeg -i input_video.mp4 -vn -c:a libmp3lame -b:a 320k output_audio.mp3

docker system prune -af --volumes && sudo journalctl --vacuum-time=3d && sudo apt-get clean

Write a 75-word hyper-personalized cold outreach message to [Prospect Name/Company] about their [Problem Area]. Follow the 'Compliment -> Specific Bottleneck -> 1-Line Solution -> Low-friction Question' format. No fluff or buzzwords.

Residential electricity jumps from ৳7.34 to ৳10.44/unit once you cross 300 kWh. Setting AC to 26°C with ceiling fan on cuts compressor consumption by 35%, preventing your household from entering Slab 5.

Generate 5 counter-intuitive, scroll-stopping video hooks in Romanized Bangla and English about [Topic]. Each hook must challenge a widespread myth and create an open curiosity loop within 12 words.

find / -xdev -type f -size +100M -exec ls -lh {} + 2>/dev/null | awk '{print $9, $5}'

ffmpeg -i input.mp4 -c:v libx264 -crf 28 -preset slow -c:a aac -b:a 128k -movflags +faststart compressed_under25mb.mp4

Press Ctrl+K (or ⌘K) and type: "50000 taka" or "1250 * 1.05" for instant result.

Audit the following backend code for OWASP Top 10 security flaws (SQLi, IDOR, SSRF, XSS, ReDoS). Output each vulnerability with its line reference, attack vector proof-of-concept, and the exact patched secure code block: [Paste Code]

sudo nginx -t && sudo systemctl reload nginx

Go to https://eporcha.gov.bd -> Select Division, District, Upazila & Mouza -> Choose Khatian type (RS/BS/City Survey) -> Input Khatian No or Owner Name for free record preview.

curl -s -w "\nDNS: %{time_namelookup}s\nConnect: %{time_connect}s\nTLS: %{time_appconnect}s\nTTFB: %{time_starttransfer}s\nTotal: %{time_total}s\n" -o /dev/null https://sabbir.nav.bd

Act as a bilingual UX Writer. For this interface feature: [Feature Description], write 3 pairs of concise English + natural colloquial Bangla labels: (1) Primary CTA, (2) Helper Microcopy, and (3) Empty/Error state. Ensure Bangla avoids robotic literal translations.

I have an Excel sheet where Column [A] has [Date], Column [B] has [Customer ID], and Column [C] has [Amount]. Give me a single modern Excel formula (XLOOKUP or INDEX/MATCH) to find [Target Value] without breaking on empty cells.

curl -s https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python3 -

# Linux (systemd-resolved)
sudo resolvectl flush-caches

# macOS
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

# Windows (CMD / PowerShell)
ipconfig /flushdns

Explain this code in conversational Bengali as if explaining to a 1st-year computer science student. Use a real-life Bangladeshi everyday analogy (like Dhaka traffic, tea stall or bank line) before explaining the technical lines: [Paste Code]

Given this SQL query: [Paste Query] running on PostgreSQL/MySQL on a table with 5M rows. Identify why it causes a full table scan and provide the exact composite B-Tree index definition and refactored CTE/subquery to optimize execution under 50ms.

Append '?w=1' to any GitHub Pull Request diff URL (e.g., github.com/user/repo/pull/1/files?w=1) to hide whitespace changes.

Type EPP <space> Application-ID (e.g., EPP 4000-1234567) and send SMS to 16445 from any Bangladeshi mobile operator.

tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 24 | head -n 1

Dial *247# for bKash (Press 9 for My bKash -> 1 for Check Balance). Dial *167# for Nagad (Press 7 for My Nagad -> 1 for Balance).

Press 'y' while viewing any file on GitHub. The URL immediately transforms from /main/ to the permanent SHA-1 commit hash, guaranteeing your line link never breaks after future commits.

Append '&t=1m45s' or '?t=105s' to any YouTube URL to open directly at 1 minute and 45 seconds.

git fetch origin pull/42/head:pr-42 && git checkout pr-42

gh release create v5.2.13 --generate-notes --title "v5.2.13 — Everyday Life OS" ./dist/*

loginctl lock-session  # Linux (systemd)
# or on macOS:
pmset displaysleepnow

tar -cf - /path/to/folder | pv -s $(du -sb /path/to/folder | awk '{print $1}') | gzip > backup_$(date +%F).tar.gz

git restore --staged . && git restore . && git clean -fd

python3 -c "import sys, csv; r = csv.reader(sys.stdin); rows = list(r); print('| ' + ' | '.join(rows[0]) + ' |\n| ' + ' | '.join(['---']*len(rows[0])) + ' |'); [print('| ' + ' | '.join(row) + ' |') for row in rows[1:]]" < data.csv