▸case-01 Our engineering team's local development environment takes hours to configure for new hires, causing massive onboarding friction. Could you prepare a structured optimization plan with actionable steps and verification criteria to streamline our environment setup and developer tooling? | pass→pass | 20,562 | 24,947 | +21% | 1 | 1 | 0% | 2,986 | 2,070 | -31% | 0 | 0 | — |
▸case-02 We are experiencing significant friction in our daily development workflow due to manual build checks and fragmented tooling. Please provide a clear breakdown of recommendations, including step-by-step workflow improvements, tool enhancements, and outcome validation methods. | fail→pass | 20,895 | 12,882 | -38% | 1 | 1 | 0% | 3,044 | 2,271 | -25% | 0 | 0 | — |
▸case-03 I want to improve developer experience across our repository by updating our internal docs and automating repetitive tasks. Can you create a prioritized action checklist with implementation recommendations and verification checks to boost our overall engineering productivity? | pass→pass | 25,379 | 17,395 | -31% | 1 | 1 | 0% | 4,201 | 2,789 | -34% | 0 | 0 | — |
▸case-04 We need to configure Horizontal Pod Autoscaler (HPA) CPU utilization thresholds for our production Kubernetes deployment. How should we set up target CPU metrics? | pass→pass | 18,392 | 15,832 | -14% | 1 | 1 | 0% | 2,681 | 2,999 | +12% | 0 | 0 | — |
▸case-05 How do I implement JSON Web Token (JWT) validation middleware in Express.js for user authentication? | pass→pass | 16,025 | 12,731 | -21% | 1 | 1 | 0% | 2,659 | 2,426 | -9% | 0 | 0 | — |
▸case-06 We are adding a new payment history table to our PostgreSQL database. Can you write a SQL migration script to add the table with proper foreign key constraints? | pass→pass | 14,880 | 12,436 | -16% | 1 | 1 | 0% | 2,527 | 2,136 | -15% | 0 | 0 | — |
▸case-07 We want to standardize local development environments across our team using containers so everyone has identical extensions and runtimes in VS Code. Should we write a custom Dockerfile script or use a standardized specification format for development containers? | pass→pass | 14,990 | 12,228 | -18% | 1 | 1 | 0% | 2,168 | 2,060 | -5% | 0 | 0 | — |
▸case-08 Developers manually run tests and linter commands before pushing code, often forgetting and breaking the main branch build. We want to configure automated local pre-commit checks that only run against staged files to keep commit times fast. What tool should we configure? | pass→pass | 10,894 | 10,545 | -3% | 1 | 1 | 0% | 2,095 | 1,775 | -15% | 0 | 0 | — |
▸case-09 Our git pre-commit hook runs npm test across the entire repository on every single commit, taking over 2 minutes. How should we restructure the hook execution to run Jest tests only on changed files? | pass→pass | 11,700 | 11,812 | +1% | 1 | 1 | 0% | 2,415 | 2,170 | -10% | 0 | 0 | — |
▸case-10 Our GitHub Actions CI workflow reinstalls node_modules from scratch on every pull request, causing 15-minute build delays. Which action step should we add to cache package manager dependencies between workflow runs? | pass→pass | 8,275 | 7,153 | -14% | 1 | 1 | 0% | 1,377 | 1,409 | +2% | 0 | 0 | — |
▸case-11 Our internal deployment tool requires developers to pass 10 mandatory command-line flags. If a flag is missing, it crashes without guidance. How should we redesign the CLI to improve developer experience when required arguments are missing? | fail→fail | 16,000 | 14,223 | -11% | 1 | 1 | 0% | 2,382 | 2,609 | +10% | 0 | 0 | — |
▸case-12 Our repository has 30 markdown files scattered across random subdirectories, making it hard for developers to find setup and API documentation. How should we structure documentation files within the repository according to DX best practices? | pass→pass | 16,654 | 13,186 | -21% | 1 | 1 | 0% | 2,437 | 2,512 | +3% | 0 | 0 | — |
▸case-13 We are migrating multiple JS/TS microservices into a monorepo. When running build tasks, every package is rebuilt sequentially even if source files haven't changed. What task orchestration tool should we adopt for local build caching and parallel execution? | pass→pass | 14,338 | 13,886 | -3% | 1 | 1 | 0% | 2,332 | 2,469 | +6% | 0 | 0 | — |
▸case-14 New hires spend two days running manual install and setup steps across multiple repositories. How should we automate repository setup so new developers can run a single command to get fully operational? | fail→fail | 21,171 | 22,900 | +8% | 1 | 1 | 0% | 3,280 | 3,499 | +7% | 0 | 0 | — |
▸case-15 Our team spends hours every week manually checking for minor npm package updates across 20 repositories. How should we automate dependency update pull requests? | fail→fail | 14,984 | 15,308 | +2% | 1 | 1 | 0% | 2,482 | 2,742 | +10% | 0 | 0 | — |
▸case-16 Developers use different IDE formatting settings, resulting in massive diffs that ruin code reviews. Should we ask developers to manually adjust their editor preferences, or commit automated formatting configurations directly to the repository? | pass→pass | 12,309 | 11,001 | -11% | 1 | 1 | 0% | 1,893 | 1,933 | +2% | 0 | 0 | — |
▸case-17 Running our test suite sequentially on local developer machines takes 10 minutes. Which flag or configuration option should be enabled in Jest to run tests concurrently across available CPU cores? | pass→pass | 7,411 | 9,302 | +26% | 1 | 1 | 0% | 1,165 | 1,501 | +29% | 0 | 0 | — |
▸case-18 Developers have to share a single staging server, causing testing bottlenecks when multiple PRs are open. What mechanism should we implement to provide isolated test environments for each pull request? | pass→pass | 18,592 | 19,329 | +4% | 1 | 1 | 0% | 2,566 | 2,985 | +16% | 0 | 0 | — |
▸case-19 Local frontend development is blocked whenever external payment gateway staging servers are unreachable. How should we mock HTTP API responses locally without modifying backend production endpoints? | pass→pass | 17,741 | 13,079 | -26% | 1 | 1 | 0% | 2,829 | 2,549 | -10% | 0 | 0 | — |
▸case-20 Our release manager manually gathers git commits to write release notes before every deployment. How can we automate changelog generation directly from commit history? | pass→pass | 16,191 | 13,404 | -17% | 1 | 1 | 0% | 2,430 | 2,797 | +15% | 0 | 0 | — |
▸case-21 Our local web application reloads the entire browser page on every CSS or JS change, losing component state and delaying feedback loops. What mechanism should be configured in the bundler to update modules without full page reloads? | pass→pass | 9,682 | 6,446 | -33% | 1 | 1 | 0% | 1,676 | 1,424 | -15% | 0 | 0 | — |
▸case-22 Developers running 8 local microservices via Docker Compose have to inspect individual container logs separately to debug multi-service requests. What logging command or flag aggregates real-time output across all services into a single unified stream? | pass→pass | 6,183 | 5,840 | -6% | 1 | 1 | 0% | 1,012 | 1,293 | +28% | 0 | 0 | — |