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Developer Tools

Articles filed under Developer Tools.

Showing 43–63 of 198 articles

Top 3 UUID Decoder Tools Worth Using

🆔 Developer Tools

Top 3 UUID Decoder Tools Worth Using

Compare three free UUID decoders on version detection, timestamp extraction and RFC compliance, then work out which UUID version an identifier actually is.

Best 3 Credit Card Test Number Generators Compared

💳 Developer Tools

Best 3 Credit Card Test Number Generators Compared

Compare three credit card test number generators and choose the best one for sandbox testing, Luhn-valid cards, or browser-only QA work.

Best 3 Open Port Checkers Compared

🔌 Developer Tools

Best 3 Open Port Checkers Compared

Compare three open port checker tools and see which one fits simple port-forwarding checks, broader scans, or a browser-first network test.

How to Use Bookmarklet Builder

text Developer Tools

How to Use Bookmarklet Builder

Use bookmarklet builder to finish the task faster in your browser with a clear workflow, practical checks, and a result you can trust.

How to Use GraphQL Schema Visualizer

text Developer Tools

How to Use GraphQL Schema Visualizer

Use graphql schema visualizer to finish the task faster in your browser with a clear workflow, practical checks, and a result you can trust.

How to Use gRPC Request Builder

text Developer Tools

How to Use gRPC Request Builder

Use grpc request builder to finish the task faster in your browser with a clear workflow, practical checks, and a result you can trust.

How to Check a Podcast Feed Before Submitting

📻 Developer Tools

How to Check a Podcast Feed Before Submitting

Validate a podcast RSS feed for required tags, artwork size and enclosure details, and get the GUIDs right before subscribers ever see them.

How to Check Focus Styles Are Visible Enough

⌨️ Developer Tools

How to Check Focus Styles Are Visible Enough

Test a focus indicator against both the component and the page behind it, meet the contrast requirement, and never remove an outline without replacing it.

How to Design an MQTT Topic Hierarchy

📡 Developer Tools

How to Design an MQTT Topic Hierarchy

Plan MQTT topics so wildcard subscriptions work, order levels from general to specific, and avoid the naming choices that cause trouble later.

How to Draft a Table Schema From JSON

🗄️ Developer Tools

How to Draft a Table Schema From JSON

Generate a CREATE TABLE statement from a JSON sample, understand why inferred types need reviewing, and decide how nested objects should be modelled.

How to Find Missing Translation Keys

🌍 Developer Tools

How to Find Missing Translation Keys

Compare locale files to find missing keys, unused leftovers and placeholder mismatches, and know which of those breaks at runtime rather than just looking wrong.

How to Format Terraform the Canonical Way

🏗️ Developer Tools

How to Format Terraform the Canonical Way

Format HCL with the alignment terraform fmt produces, understand why argument groups align separately, and keep a repository formatted in CI.

How to Keep Kotlin Formatting Consistent

🟪 Developer Tools

How to Keep Kotlin Formatting Consistent

Format Kotlin to the official conventions, settle indentation and line length in the build, and stop formatting arguments appearing in code review.

How to Plan a Move From REST to GraphQL

🔀 Developer Tools

How to Plan a Move From REST to GraphQL

Map REST endpoints to a draft GraphQL schema, see which half the mapping actually covers, and avoid the N+1 problem that resolver-per-endpoint creates.

How to Read a Semver Range Correctly

🏷️ Developer Tools

How to Read a Semver Range Correctly

Work out exactly which versions a caret or tilde range accepts, understand the different rule below 1.0.0, and know why prereleases are excluded.

How to Read an Unfamiliar OpenAPI Spec

🗺️ Developer Tools

How to Read an Unfamiliar OpenAPI Spec

Turn a large OpenAPI document into a grouped endpoint map, spot undocumented paths and unused schemas, and see the shape of an API in minutes.

How to See What Big-O Means at Real Sizes

📈 Developer Tools

How to See What Big-O Means at Real Sizes

Compare complexity classes at actual input sizes, find where curves cross, and understand why the worse class often wins on small inputs.

How to Separate Real Changes From Formatting

🔃 Developer Tools

How to Separate Real Changes From Formatting

Diff two code snippets with whitespace handling and a word-level view, so a formatter run does not bury the three lines that changed behaviour.

How to Sort a JSON Array by Any Key

🔢 Developer Tools

How to Sort a JSON Array by Any Key

Sort an array of JSON objects by one or more keys with correct numeric, date and string ordering, and decide where null values belong.

How to Turn JSON Into Rust Structs

🦀 Developer Tools

How to Turn JSON Into Rust Structs

Generate serde-ready Rust structs from a JSON sample, get Option types right for nullable fields, and rename camelCase keys to idiomatic snake_case.

How to Work Out What an npm Script Does

📜 Developer Tools

How to Work Out What an npm Script Does

Break down an npm script into its commands, understand chaining operators and cross-platform pitfalls, and find the pre and post hooks running invisibly.