Optimizing High-Resolution Assets for Behance Portfolio Projects
Learn how to optimize high-resolution images and videos for Behance to ensure fast load times and responsive layouts across all devices.
15 Aug 2026, 23:47 UTC
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ReadMeFeed / Community knowledge
The knowledge journal
Practical guides, fresh perspectives and ideas worth trying.
Reducing CPU Overhead with DMA on ARM Cortex-M
Learn how to use DMA on ARM Cortex-M microcontrollers to eliminate interrupt storms and reduce CPU overhead during peripheral data transfers.
31 May 2026, 09:37 UTC
Implementing a Memory‑Efficient Stable Merge Sort for Large Python Datasets
Build a stable, memory‑efficient merge sort in Python that works for millions of elements. The guide covers prerequisites, an iterative implementation, stability checks, memory profiling, and recovery strategies.
27 Mar 2026, 18:29 UTC
Capture Live Webcam Video with OpenCV 4.x Using GStreamer – A Practical Guide
Learn how to set up a real‑time webcam stream in OpenCV 4.x with GStreamer, verify the build, build a pipeline, display frames, measure FPS, and recover from common pitfalls.
08 Aug 2026, 22:58 UTC
Diagnosing and Optimizing CodeIgniter 4 Pagination Performance
When CodeIgniter 4’s built‑in pagination slows on large tables, pinpointing the culprit is vital. This guide walks through the symptoms, a concise cause table, ordered checks, targeted fixes, and when to ask for help.
10 Jan 2026, 21:27 UTC
Choosing the Right ngrok Endpoint for Public HTTPS Access
When you need a stable, secure HTTPS URL for webhooks or mobile callbacks, ngrok offers several binding options. This guide compares temporary HTTP, reserved domains, custom domains, and TCP endpoints, then walks you through setting up a reserved domain with a traffic policy and how to validate it.
21 Sept 2025, 21:02 UTC
Firebird’s UPDATE OR INSERT: One‑Shot Atomic Upsert and How to Verify It
Need a single‑statement upsert in Firebird? Discover how UPDATE OR INSERT works, the MATCHING clause, RETURNING support, concurrency pitfalls, and a hands‑on example to confirm behavior in your own DB.
07 Feb 2026, 08:53 UTC
Simplifying Responsive Grids with Jeet’s ‘span’ Mixin
Jeet’s ‘span’ mixin lets you declare column widths once and have the mixin generate responsive CSS for you. Learn how it works, see a concrete 2/3‑1/3 layout example, and understand the trade‑offs before adding it to your project.
20 Aug 2025, 01:33 UTC
CircleCI Workspaces: Compile Once, Reuse Across Jobs
Workspaces let you compile once and reuse output across jobs in a single workflow. Here is when to use persist_to_workspace, how to wire a build-test-deploy pipeline, and why workspaces are not a cache.
30 Aug 2026, 14:27 UTC
Sema for In-Memory Semantic Search: A Practical Engineering Decision
Sema turns sentence-transformer embeddings into an in-process search index. Use it when your corpus fits in RAM and operational simplicity outweighs distributed scale.
03 Sept 2026, 05:44 UTC
How to Publish a Standards-Compliant Atom 1.0 Feed
A task guide to publishing a valid Atom 1.0 feed: stable IRIs, RFC 3339 timestamps, typed text constructs, correct MIME delivery, and validation checks.
14 Aug 2026, 09:43 UTC
Use `$` Transient Props in styled-components to Keep Styling Inputs Out of the DOM
React component props get overloaded fast. Prefixing styling-only values with `$` in styled-components makes them transient, so they never reach the DOM or wrapped component. Here is how the convention works, where it breaks, and how to verify it locally.
28 Jun 2026, 10:43 UTC
Add a Local Swift Package to an Xcode App Target Without a Git Remote
Learn how to link a local Swift package into an Xcode app target using filesystem references, validate the build, and recover from common path and resolution errors.
19 May 2026, 10:53 UTC
Gardener Shoot Control-Plane HA: What `failureTolerance: zone` Changes in the Seed
Enabling high availability for a Gardener shoot changes replica counts and pod topology in the seed, not worker nodes. Here is what the etcd quorum trade-off means and how to verify placement.
11 Aug 2026, 10:04 UTC
Vulkan Dynamic Rendering: Replacing Render Pass Boilerplate with VkRenderingInfo
Dynamic rendering moves attachment description from VkRenderPass and VkFramebuffer into VkRenderingInfo, cutting boilerplate for single-pass draws but making synchronization explicit.
28 Nov 2025, 17:53 UTC
Choosing a Pulumi State Backend and Secrets Provider for Production Infrastructure
Choosing where Pulumi stores state and encrypts secrets is a production security decision. Compare Pulumi Cloud, self-managed object storage with KMS, and passphrase options.
27 Mar 2026, 03:09 UTC
Paginating Deta Base in Deta Space: Cursor Keys, Index Rules, and When to Switch to Postgres
Deta Base pagination is cursor-based and index-backed. Learn how to page with limit and last, why unindexed queries fail, and when to move to an external Postgres.
16 Apr 2026, 03:24 UTC
Neo4j RBAC and Procedure Whitelisting: An Architecture Note for Least-Privilege Graph Access
Neo4j Enterprise RBAC and procedure whitelisting can enforce least-privilege boundaries between application services and the graph, but only if the default PUBLIC role and custom procedure execution are explicitly constrained.
11 Jan 2026, 22:41 UTC
Variable-Width Strokes in Inkscape: Edit with Power Stroke, Deliver as Flattened SVG
A practical Inkscape workflow for variable-width strokes: edit with Power Stroke Live Path Effects, then flatten only for delivery to avoid interoperability surprises.
20 Jul 2025, 13:37 UTC
Minimal Rocky Linux KVM Host Architecture: Design and Operational Boundaries
Design a single Rocky Linux KVM/libvirt host for internal RHEL-compatible VMs, covering trust boundaries, storage pools, SELinux enforcement, and failure modes.
10 Mar 2026, 00:27 UTC
Diagnosing Subversion Repository URL Changes: When to Relocate and When to Re-Checkout
Diagnose Subversion working copy failures after a repository URL change and decide between svn relocate and a fresh checkout using UUID and history checks.
12 Jan 2026, 09:29 UTC
Tuning PHP-FPM in cPanel: Balancing Worker Persistence Against RAM Limits
PHP-FPM in cPanel speeds up PHP execution, but persistent workers consume RAM even when idle. Learn how to size pm.max_children per domain without triggering the OOM killer.
06 Mar 2026, 00:02 UTC
Scoping Terraform CI with Terramate Stacks and Change Detection
Running every Terraform root module on every commit wastes CI and hides risk. Terramate stacks plus change detection let you plan only affected code—if your Git metadata is sound.
07 Sept 2026, 05:33 UTC
Vyper's @nonreentrant Decorator: Lock Keys, Storage Costs, and Safe Withdrawals
Vyper's @nonreentrant decorator adds a storage-backed lock to prevent reentrancy, but only for functions sharing the same key. Learn how to apply it correctly alongside checks-effects-interactions, what it costs, and how to verify it on a pinned compiler.
29 Aug 2026, 10:39 UTC
Running Node.js in StackBlitz WebContainers: A Practical Browser Setup Guide
Learn how to run a Node.js project in StackBlitz using WebContainers, including prerequisites, terminal commands, validation checks, and recovery when browser isolation blocks the preview.
03 Feb 2026, 22:13 UTC
Diagnosing 404, 500, and Blank Front-End Pages in ProcessWire
When a published ProcessWire page returns 404, 500, or blank, use this diagnostic guide to isolate template resolution, _init.php errors, caching, and access-control faults.
12 Aug 2026, 11:32 UTC
Decoupling UI from Auth with Ory Kratos Self-Service Flows
Use Ory Kratos headless self-service flows to keep authentication state in Kratos while rendering registration and login UI in your own application.
15 Feb 2026, 08:04 UTC
Vue Storefront SSR Trust Boundaries: Server-Side Secrets, Client-Side Catalog Data, and Operational Checks
Vue Storefront SSR keeps API secrets on the server and sanitized catalog data on the client. Learn the trust boundary, hydration checks, and failure modes.
15 Sept 2025, 17:41 UTC
Keeping Large-List Search Responsive with useDeferredValue
A controlled search input that synchronously filters thousands of rows can block the browser from painting each keystroke. Here is how useDeferredValue separates urgent input updates from non-urgent list rendering, what it does not fix, and how to verify the improvement.
28 Mar 2026, 02:07 UTC
Managing Desktop App Lifecycle with Tauri's Auto-Updater
Learn how to implement and secure the Tauri auto-updater to push over-the-air updates to your Rust-backed desktop applications using manifests and code signing.
21 Sept 2026, 05:46 UTC
Designing Apache Pulsar Tiered Storage Offload: Requirements, Architecture, and Operational Guidance
Learn how to enable Pulsar tiered storage offload, the minimal cluster design, trust boundaries, operational checks, and failure modes. This guide covers the exact configuration needed and when you should rethink the design.
24 May 2026, 03:31 UTC
Solving Ordinary Differential Equations with NDSolve in Wolfram Language
Learn how to numerically solve ordinary differential equations in the Wolfram Language with NDSolve. Follow a step‑by‑step guide, validate results, handle stiffness, and export data to CSV.
23 May 2026, 03:14 UTC
Server‑Side Pagination in Quasar QTable: Keep the Browser Light
When datasets grow, a Quasar QTable that renders every row in the browser becomes sluggish. This post shows how to use QTable’s request event to delegate slicing, sorting, and total counts to a backend API, keeping the client lean and responsive.
03 May 2026, 17:02 UTC
Gatsby gatsbyImageData: Build-Time Responsive Images Explained
Replace manual srcset construction in Gatsby with the gatsbyImageData resolver, which generates WebP, AVIF, and resized variants during gatsby build.
02 Dec 2025, 18:30 UTC
Model Closed Variants in Ceylon with `of` and Exhaustive `switch`
Ceylon’s `of` clause creates closed variant sets and its exhaustive `switch` turns adding a new case into a compiler-guided refactor instead of a code-review gamble.
09 Jul 2025, 13:25 UTC
Using GitHub Actions Concurrency Groups to Cancel Superseded CI Runs
Multiple quick pushes can trigger redundant GitHub Actions workflows. Learn how concurrency groups with cancel-in-progress reduce CI waste, the trade-offs of aggressive cancellation, and how to configure it safely.
30 Aug 2026, 09:50 UTC
Shared Tmux Operations Sessions on a Bastion Host: An Architecture Note
A single tmux server on a bastion host with a dedicated UNIX socket gives multiple operators a persistent, shared shell. This note covers the minimal design, trust boundaries, and failure modes.
03 Aug 2025, 11:27 UTC
Chart.js Responsive Sizing: Fixing Layout Collapse with maintainAspectRatio
Charts collapse or overflow in fluid layouts because Chart.js relies on parent dimensions. Learn how maintainAspectRatio: false works, when it breaks, and how to size containers correctly.
05 Sept 2026, 09:36 UTC
Add a Validated Nitro API Route in Nuxt and Consume It with useFetch
Expose a stable JSON endpoint from a Nuxt server route, validate input with createError, and consume it with useFetch without hydration mismatches.
16 Sept 2026, 03:51 UTC
Keeping Node.js HTTP Endpoints Responsive with a Bounded worker_threads Pool
A CPU-bound transform can block the Node.js event loop and stall every request. This note covers the smallest suitable worker_threads design, message trust boundaries, and operational checks.
07 Feb 2026, 01:46 UTC
Oracle EBR Cutover: Synchronizing Table Changes Across Editions
EBR isolates PL/SQL versions, but table shape changes still need cross-edition triggers to keep old and new sessions consistent. Learn how to manage the transition window.
27 Dec 2025, 17:03 UTC
Stop Unbounded Queue Growth: Bounded Channels in .NET
An unbounded queue turns a slow dependency into memory pressure. A bounded Channel with explicit completion gives you real backpressure without hanging your process.
17 Oct 2025, 22:15 UTC
Keep Vim Undo History Across Sessions with Persistent Undo Files
Vim discards undo history when you quit by default. Here is how to enable persistent undo, where to store the files, and what to watch out for.
07 Jun 2026, 04:07 UTC
Spyder's Out-of-Process IPython Kernel: An Architecture Note
How Spyder keeps its Qt GUI responsive by running IPython in a separate kernel process, plus trust boundaries, operational checks, and failure modes.
13 Aug 2025, 05:43 UTC
Diagnosing WooCommerce HPOS Failures: Missing Orders, Blank Admin Screens, and Broken Custom Queries
Diagnose WooCommerce HPOS failures: blank order screens, missing custom queries, and migration conflicts. Compare wc_get_orders with posts-table reads and fix data access using supported APIs.
19 Jul 2026, 08:24 UTC
Qwik's Serialized State Boundary: Loaders, Server Functions, and Trust Limits
Qwik's resumability model makes the serialized server-to-client state graph a trust boundary. Learn how to design loaders and server functions that keep secrets server-side and pass operational checks.
28 Jul 2026, 02:43 UTC
Rails 7.1 strict_loading: A Gradual Audit for Lazy Associations
Use Rails 7.1 strict_loading to surface lazy-loaded associations incrementally. Start with per-relation checks, move to per-model enforcement, and opt out intentionally lazy associations.
20 Jul 2025, 15:17 UTC
Replacing the SPSS GUI with Syntax and OMS for Reproducible Analysis
Manual SPSS workflows break under repetition. Learn how master syntax files and the Output Management System automate recurring analyses, route tables to external files, and reduce manual error.
12 Aug 2025, 08:02 UTC
Why Your Travis Deploy Starts Before Tests Finish—and How Build Stages Fix It
A flat Travis CI matrix runs every job in parallel, so a slow deploy can race ahead of fast unit tests. Build stages group jobs into ordered phases that act as hard gates.
30 Mar 2026, 00:52 UTC
Deploying a Single WSGI App with uWSGI Emperor: Autoscaling, Reloads, and Safety Checks
Run one WSGI app under uWSGI Emperor with cheaper autoscaling, lazy-apps, harakiri, and Nginx. Includes vassal configuration, load testing, and recovery steps.
23 Jan 2026, 23:30 UTC