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The snippet library.

Small, practical examples. Search by task or narrow things down below.

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JavaScriptGetting Started

Measure a short text value

JavaScript: Read the length of an ASCII string. Non-ASCII text may use multiple code units or bytes depending on the language.

JavaScript✓ Tested
TypeScriptGetting Started

Measure a short text value

TypeScript: Read the length of an ASCII string. Non-ASCII text may use multiple code units or bytes depending on the language.

TypeScript✓ Tested
C++Getting Started

Measure a short text value

C++: Read the length of an ASCII string. Non-ASCII text may use multiple code units or bytes depending on the language.

C++✓ Tested
CGetting Started

Measure a short text value

C: Read the length of an ASCII string. Non-ASCII text may use multiple code units or bytes depending on the language.

C✓ Tested
CFile positioning & lifecycle

Measure a small seekable binary file

C: Seek to the end and inspect ftell, checking both operations for errors.

C✓ Tested
CStrings

Measure a string length

Count bytes before the null terminator with C strlen.

C✓ Tested
ReactEffects & lifecycle

Measure an element after layout

Measure an element after layout with a small React component and explicit browser behavior.

React✓ Tested
jQueryCollections & styling

Measure content, padding, and borders separately

jQuery: width, innerWidth, and outerWidth measure different parts of the box.

jQuery✓ Tested
C#JSON & binary formats

Measure the byte length of UTF-8 text

C#: Character count and encoded byte count can differ for non-ASCII text.

C#✓ Tested
SQLText cleanup & matching

Measure the length of ordinary text

SQL: Use the engine’s text-length function; this ASCII example has no trailing spaces.

SQL✓ Tested
SQL ServerText cleanup & matching

Measure the length of ordinary text

SQL Server: Use the engine’s text-length function; this ASCII example has no trailing spaces.

SQL Server✓ Tested
PostgresText cleanup & matching

Measure the length of ordinary text

Postgres: Use the engine’s text-length function; this ASCII example has no trailing spaces.

Postgres✓ Tested