Learn the work behind Data, AI & Forward Deployed Engineering
Practical explanations, career decisions and reproducible workflows. Read the reasoning, inspect the evidence and follow the next skill into a real programme.
Unpivot April-to-March month columns into dated rows in Power Query
To unpivot a budget with one column per month from April to March, remove any Total column, select the identifier columns (Branch, Head) and choose Unpivot Other Columns, then turn each month label into a real…
Unpaid internship offer: what to check in the letter before you join
An unpaid internship can be worth doing only if it pays you in something else: real work you can show, a person who reviews it, and a certificate and reference at the end. Before you join, get a written letter and check…
Which states' schools lack computer labs? A UDISE+ ICT gap project
Digital learning plans assume schools have working computers, but coverage varies enormously by state. This project uses UDISE+ indicators to measure how many schools in each state have an ICT lab. It computes the…
Pupil-teacher ratios across Indian states with UDISE+ data
UDISE+ is India's school census, and its state-level indicators let you ask a concrete question: where are schools short of teachers, and is the problem a high average ratio or a long tail of single-teacher and empty…
TypeScript for AI engineers: when it matters and how much to learn
A Python-first AI engineer should learn TypeScript when their work sits close to a web product: building the application layer that users interact with, streaming model responses into a browser, writing tool servers for…
Mobile operator share by circle from TRAI's monthly annexures
Which operator leads in each telecom circle, and does that lead survive once you count only active subscribers? TRAI's monthly press release has two annexures that answer this. Annexure-II gives each operator's wireless…
Why Delhi's tele-density tops 300%: a TRAI denominator project
TRAI's monthly subscription release puts Delhi's tele-density at 368.33% at the end of July 2026, the highest of any service area. Nobody in Delhi owns three and a half phones on average. The number is high because the…
Time-series interview questions on leakage, seasonality and backtests
Time-series interview questions mostly test one idea from several angles: a forecast may use only what was known at the moment it is made. Leakage through random splits, rolling features and future-dated joins is the…
Tier-3 college to a data job: a realistic strategy that holds up
From a college where few data employers recruit, the realistic route is off-campus: pick one entry role, build two or three projects that an interviewer can check, apply mainly to openings that screen with a test or…
Test your resume against a job description like a recruiter
To test a resume against a job description, extract every skill and responsibility term from the posting, write down the spellings a recruiter would plausibly search for, and check whether each one appears in your…
Test a course syllabus against ten real job descriptions
To test whether a data course matches the jobs you want, collect ten current job descriptions for your target role and city, tally how many mention each skill, and set that tally beside the course's live hours per…
Tenant police verification in Delhi, Noida and Gurugram
When you rent a room, PG bed or flat in Delhi NCR, your landlord is normally expected to get you verified with the local police. In Delhi this is done through the Delhi Police citizen services portal, and in Noida and…
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