Results for “sup”
Small, practical examples. Search by task or narrow things down below.
Initialize state lazily
Initialize state lazily with a small React component and explicit browser behavior.
React✓ Tested
Inject a data loader into a component
Inject a data loader into a component with a small React component and explicit browser behavior.
React✓ Tested
Insert a row with named columns
Add a record without relying on implicit column order.
INSERT✓ Tested
Insert only keys absent from a destination
SQL: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
SQL✓ Tested
Insert only keys absent from a destination
SQL Server: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
SQL Server✓ Tested
Insert only keys absent from a destination
Postgres: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
Postgres✓ Tested
Insert only keys absent from a destination
SQLite: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
SQLite✓ Tested
Inspect bytes as hexadecimal values
Linux Commands: Use od with explicit formatting and no address column.
Linux Commands✓ Tested
Join lines from two files side by side
Linux Commands: Use paste to pair lines by position with a chosen separator.
Linux Commands✓ Tested
Join two sorted files by a shared key
Linux Commands: Use join for sorted, simple delimiter-separated records with one row per key.
Linux Commands✓ Tested
Keep a callback stable between renders
Keep a callback stable between renders with a small React component and explicit browser behavior.
React✓ Tested
Keep a mutable value without rendering on each write
Keep a mutable value without rendering on each write with a small React component and explicit browser behavior.
React✓ Tested