Random hacks

Life Hacks

  1. Sms 139 - if seat occupied by someone
    • seat <PNR number> <Seat number> occupied by unknown passenger
  2. Complaint against bribe / corruption => 9431005682 / 0612-2235566, 2235588
  3. Telecommunication Issues like SIM, mobile lost, unknown calls
  4. VID (Virtual ID) - used for authentication/e-KYC service instead of Aadhaar Number
    • Aadhaar number can never be derived from VID → highly secure
    • Can generate or retrieve VID from here
    • If make new VID → old one is deleted (must wait 1 day to create new one)
  5. Dandruff Issue - Ginger Juice + lemon + mustard oil + shampoo + water
  6. Ice Skate Quick Tutorial             Remove ring or anything tightly stuck from hands
  7. Jeans fitting tips without wearing

Crazy Websites/Apps
  1. Uncle Delivery - courier services within city
  2. Quick Ride - shared cab/taxi at very cheap rate
  3. Popeye / KFC - chicken related items
  4. turboscribe.ai - transcribe to English/create SRT file from video/audio (best one)
  5. Ninite.com - download multiple apps at single place after format of PC
  6. Skyscanner.com - compare flight booking prices
  7. scihub - to read free research papers/journal papers
  8. Kuku TV Pro (free) - only for android [Sign-in with ratan576890@gmail.com]
  9. Reddit page - latest free sites    Compilation of free things
Keyboard Shortcuts
  1. Windows Shortcuts
    • Win + Alt + R → Start screen recording (Xbox Game Bar)
    • Win + Ctrl + Shift + B → Fix display crash instantly (refreshes GPU driver)
  2. Browser Shortcuts
    • Ctrl + L → Jump to URL bar instantly
    • Alt + ← / → → Go back or forward without mouse
    • Ctrl + Shift + M → Switch browser profiles quickly
  3. File Explorer Shortcuts
    • Shift + Right-click → Open PowerShell window here
    • Alt + enter → show properties of file (can hide your file here)
  4. Writing Shortcuts
    • Ctrl + Backspace → Delete full previous word
    • Ctrl + Delete → Delete full next word
    • Shift + Ctrl + ← / → → Select full word quickly
  5. Mouse Tricks
    • Shift + Scroll → Scroll sideways
    • Ctrl + Scroll → Zoom in/out anywhere (browser, apps)
  6. Android Shortcuts
    • Tap power button 3 times → Emergency SOS
    • Double-press power button → Open camera instantly
    • Press & hold volume up + power → Force restart
Google slides
  1. You can add link to some texts so that you can move to other slide / doc/ website
    • You can add substitutions also
  2. Shift + resize maintain the actual size ratio of pic 
Travel Tips
  1. Ask local + Watch reviews on net
  2. Check GPS for future traffic of routes
  3. Price kum krao in shops
  4. When book trains (mainly in winters) → check if train is being late or not in past
  5. Hotel booking --> do from hotel sites itself (use make my trip or others for reference)
    --> Dorms are cheaper
  6. Reach Bangalore AirportDirect train from Anekal/Electronic City (Heelalige) side to KIA Airport (train number changes at Yesvantpur even though it’s same train)
    • Anekal → Airport Route: 06592 - Anekal (08:38 am) → Yesvantpur (10:00 am)
      Same train goes as 06593 - Yesvantpur (10:10 am) → KIA Airport (10:52 am)
    • Airport → Anekal: 06594 – KIA Airport (13:33 pm) → Yesvantpur (14:50 pm)
      Same train continues as 66585 – Yesvantpur (15:00 pm) → Anekal (16:02 pm)
    • Quicreach app - shared cab to/from airport 
Prompt Tips
  1. One shot prompting
    • Here's TED talk I love [paste script]. Now help me write TED Talk about [topic]
  2. Context Engineering → Who the answer is for and Why/What facts, examples, links Al must know (and what to avoid)/Explain format, tone, length, next-step workflow
  3. Start with "Act as a [role]" and End with "Think deeply: spend more tokens."
    • "List assumptions and unknowns first." → Expose gaps early
    • "Show plan before answer" → Show steps before output
    • Attack your own answer (Sell- Critique Loop)
    • Give example on how output should look like or mention any format (like Json)
    • "Query Drive first; web with citations." → Search linked drives before web
    • "Cite source or say less evidence or I don't know" → Don't guess without proof
    • Router Prompting → "Use Thinking mode and browse if needed."
    • Deep Research Prompting → Process + Plan + Browse + Cite
Photography Tips
  1. JPEG (Joint photographic experts group) vs PNG (Portable network graphics)
    • PNG is lossless but JPEG is lossy.
    • JPEG does not support 16 bit channel and transparency.
    • For flat illustrations means where colors can be counted and are in limited numbers => Use PNG
      • BUT for real photographs if don't want transparency and 16 bit use JPEG

Comments

Popular posts from this blog

Corporate Tips

Interview Tips + Puzzles

R (programming language)