Search: "API testing"

Add Retry Logic with Exponential Backoff

Add retry logic with exponential backoff and jitter to my API call code. Cover: ...

#coding #retry #backoff

#coding #api #idempotency

Design an Idempotent API Endpoint For a Critical Action

Help me design an idempotent endpoint for [CRITICAL ACTION — e.g., charge a card...

#coding #refactoring #solid

Refactor God Object Into Single-Responsibility Classes

Refactor the following large class (>500 lines, multiple responsibilities) into ...

#data #ab-testing #experimentation

data Advanced

A/B Test Sample Size and Duration Calculator

Calculate the required sample size and test duration for an A/B test given: base...

#education #assessment #pedagogy

education Advanced

Education: Write a Test Question That Measures Understanding, Not Memorization

I'm writing an assessment for [TOPIC, LEVEL]. Give me three question formats tha...

#coding #refactoring #legacy-code

Coding: Refactor Code I Don't Have Tests For Without Breaking It

I need to refactor [MODULE/FUNCTION] and there are no tests. Yes, I should add t...

#education #assessment #exam-design

education Advanced

Write Test Questions That Can't Be Aced by Memorization Alone

I'm writing a test on a topic I've taught for years and I'm tired of seeing stud...

#refactoring #clean-code #testing

Refactor a Monolithic Function into Pure, Testable Units

Act as a senior software engineer who pairs with juniors on refactors. I will pa...

#coding #onboarding #codebase

Read an unfamiliar codebase efficiently in your first week

I just joined a team and inherited [type of codebase — backend API, frontend app...

hr Advanced

Design an interview loop that filters for the actual job, not just confident interviewees

I'm hiring for [role]. I've drafted a loop of [N] interviews: [list them]. Help ...

#hr #hiring #interviews

#data #analysis #insights

data intermediate

Analyze a Dataset and Find Insights

Act as a data analyst. I have a dataset with these columns: [list columns]. Sugg...

#coding #unit testing #tdd

Generate Unit Tests with Edge Cases for a Function

Act as a test engineer who is obsessed with edge cases. I will give you a functi...

#data-quality #audit #validation

data Intermediate

Data Quality Audit Framework for New Source

Act as a data quality lead. I am onboarding a new data source: [SOURCE NAME], fo...

#coding #idempotency #HTTP

Add Idempotency to an HTTP Endpoint That Mutates State

I have a POST endpoint at [ROUTE] that creates [RESOURCE]. Right now if a client...

#education #quiz #assessment

education Intermediate

Write quiz questions that distinguish 'understood' from 'memorized'

Write [N] quiz questions on [TOPIC] for [STUDENT LEVEL]. Half the questions shou...

#coding #refactoring #testing

Refactor a 400-line function without breaking implicit callers

I have a 400-line function that is impossible to test but heavily used. Help me ...

Design a REST API for a Feature

You are an API designer. Based on the feature I describe, design a clean REST AP...

#coding #api #rest

#data #ab-testing #statistics

data Advanced

Interpret the Results of an A/B Test

You are an experimentation analyst. I will give you the numbers from an A/B test...

#coding #api-design #rest

Coding: Design an API Endpoint That Won't Need a v2 in Six Months

I'm designing a new API endpoint. Help me get it right the first time. Cover: (1...

#coding #debugging #testing

Coding: Debug a Test That Passes Locally but Fails in CI

I have a test that passes on my laptop and fails in CI, and I've already tried '...

#business #growth #funnel-analysis

business Advanced

Audit my growth funnel for the leak that's actually costing the most

My team has a list of 'growth ideas' a mile long, but I suspect we're working on...

#experimentation #ab-testing #significance

data Advanced

Decide whether an experiment result is real, lucky, or a measurement artifact

You're an experimentation lead. I ran an A/B test, the headline metric moved 4.2...

#coding #code review #edge cases

Review my function for the bug I can't see

Here's a function that passes my obvious tests but feels fragile. Act as a caref...