JavaScript

Serialize Form to Object

Converts all named form fields into a plain JavaScript object using the FormData API. Handles text inputs, selects, textareas, and checkboxes. Multiple values for the same name (e.g. multi-select, checkboxes) are collected into an array. Ready to JSON.stringify and POST to an API.

2h ago 1

JavaScript

Cookie Helpers (Get / Set / Delete)

Minimal cookie utilities: getCookie retrieves a value by name, setCookie writes a cookie with optional expiry days and path, deleteCookie removes it by setting an expired date. No library needed for simple first-party cookie management. For complex scenarios (SameSite, Secure, partitioned) extend the options object.

2h ago 1

JavaScript

i18n Minimal Translator

A tiny internationalisation helper that loads a locale dictionary and resolves translation strings by dot-notation key. Supports variable interpolation via {{placeholder}} syntax. Falls back to the key itself when a translation is missing, keeping the UI readable during development. Swap the locale at runtime without a page reload.

2h ago 1

JavaScript

Flatten Object (Dot Notation)

Flattens a deeply nested object into a single-level object with dot-notation keys. Useful for comparing configs, building form field names from nested data, logging structured objects to analytics, or preparing data for flat key-value stores like Redis or environment variables.

2h ago 1

JavaScript

Middleware Pipeline

A simple Koa/Express-style middleware runner for client-side use. Middleware functions receive a context object and a next() function — call next() to pass control to the next middleware or skip it to short-circuit the chain. Useful for building plugin systems, request pipelines, and composable validation logic.

2h ago 1

HTML

Radio Group with Fieldset + Legend

Always wrap radio groups (and checkboxes that share semantics) in a `<fieldset>` with a `<legend>`. Screen readers announce the legend before each option — without it, the choice is contextless.

23m ago 0

PHP

CSV Writer with Proper Escaping

Write rows to a CSV file using fputcsv with sensible quoting. Also writes a UTF-8 BOM so Excel opens the file with the right encoding.

37m ago 0

PHP

Truncate Text with Ellipsis (word-safe)

Cleanly truncate a string to a max length without breaking words mid-character. Adds a trailing ellipsis when truncated and never exceeds the requested length including the ellipsis.

1h ago 0

PHP

Levenshtein Similarity Percentage

Wrap PHP's built-in levenshtein() to return a similarity score from 0.0 (totally different) to 1.0 (identical). Handy for "did you mean…?" suggestions.

1h ago 0

Java

Functional Interfaces — Function / Predicate / Consumer / Supplier

The four core single-method interfaces in `java.util.function`. They're the parameter types for streams, Optional methods, CompletableFuture, and countless library APIs.

1h ago 0

HTML

Details / Summary — Native Accordion

`<details>` is the built-in "click to expand" widget. Free keyboard navigation, search-engine-indexable content (open or closed), no JS needed. Style with CSS to match your design.

1h ago 0

HTML

Hero Section

The big "above the fold" intro on a landing page: large heading, sub-copy, primary CTA, optional supporting image. Keep the H1 unique to the page and one per document.

1h ago 0

Rust

macro_rules! — Simple Declarative Macros

Declarative macros let you write functions that take token trees instead of values. Great for boilerplate reduction; cleaner than copy-paste, simpler than proc macros.

1h ago 0

PHP

Convert Camel Case ↔ Snake Case

Convert between camelCase and snake_case identifiers. Handy when mapping JS API responses (camelCase) into PHP database column names (snake_case) and vice versa.

1h ago 0

Kotlin

init Block + Constructor Order

`init { }` blocks run during construction, in declaration order, interleaved with property initializers. Use to validate the primary constructor or set up derived state.

1h ago 0

HTML

RTL (Right-to-Left) Document

Set `dir="rtl"` on the root element for languages that read right-to-left (Arabic, Hebrew, Persian). The browser flips text alignment, scroll, and form controls automatically. Use `dir="auto"` to let user-generated text decide per-block.

1h ago 0

HTML

Print Stylesheet Setup

Tune the print layout: hide nav/footer, force black-on-white text, expand absolute URLs, hide images you don't want printed. Save your users from wasting paper on the page chrome.

1h ago 0

Rust

Cargo Workspace Setup

A workspace lets a single repo contain multiple related crates (e.g. core lib + CLI + server) that share `target/` and dependencies. The root `Cargo.toml` lists members.

1h ago 0

PHP

Normalize Phone Number to E.164

A minimal E.164 normalizer for US/CA numbers — strips formatting, prepends "+1" if missing, and validates the digit count. For full international support, reach for giggsey/libphonenumber-for-php.

1h ago 0

PHP

Send Plain Email via mail()

A thin wrapper around PHP's mail() with proper headers (From, Reply-To, Content-Type with UTF-8). For anything serious reach for PHPMailer or Symfony Mailer — this is fine for transactional one-offs.

1h ago 0

Bash

URL-Encode and URL-Decode

Encode and decode URL-safe strings entirely in bash — no python or external tool required. Useful in pure-shell deployment scripts that need to build query strings.

1h ago 0

Java

Text Blocks (Java 15+)

Multi-line string literals with proper indentation handling. Stop concatenating newlines by hand. The compiler removes the common leading whitespace automatically.

1h ago 0

Bash

Run on Multiple Hosts via SSH (with progress)

Iterate a host list, run the same command on each, show colored OK/FAIL summary at the end. Useful for ad-hoc fleet operations without setting up Ansible.

1h ago 0

HTML

Textarea with Character Counter

Combine `maxlength` (hard cap) with a small JS-driven live counter. Browsers won't let users paste past `maxlength`, so this is purely UX feedback.

1h ago 0

Go

iter.Seq — Range-Over-Func (Go 1.23+)

Go 1.23 added "range over func" — your own functions can produce values that work with `for v := range fn`. Cleaner than channels for in-process iteration without goroutine overhead.

1h ago 0

Kotlin

repeat, also lateinit and isInitialized

`repeat(n) { i -> ... }` for N-times loops where you don't care about index naming. `lateinit var` lets you declare a non-null var without initializing it — common for DI / framework injection.

1h ago 0

Rust

unsafe — When and How

Most Rust is safe. `unsafe` only lets you do 5 things the compiler can't check (raw pointer deref, mutable static, unsafe fn / trait, FFI, union access). Wrap unsafe operations in safe abstractions.

1h ago 0

Go

JSON Marshal / Unmarshal

`encoding/json` is the standard library JSON parser. `Marshal` produces compact JSON; `MarshalIndent` produces pretty-printed. `Unmarshal` decodes into a typed value (struct, map, or any).

1h ago 0

PHP

Email Address Obfuscator

Render an email address as HTML that is human-readable but resistant to naive scraping bots. Uses entity encoding and an optional Caesar-style ROT for the mailto link.

1h ago 0

TypeScript

Slugify (Unicode-aware)

Turn any string into a URL-safe slug. Uses Intl normalize + diacritic stripping so "Café" becomes "cafe". No external dependency.

1h ago 0