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Results for “ff-only”

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

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SQLiteConstraints & defaults

Require a value with NOT NULL

SQLite: Declare required fields at the database boundary, not only in application validation.

SQLite✓ Tested
SQL ServerTransactions & tables

Roll back a trial update

Group a change in a transaction and undo it.

transaction✓ Tested
PowerShellCollections & objects

Select object properties

Create a smaller object with only the fields you need.

Select-Object✓ Tested
SQLSelect & filter

Select specific columns

Read only the fields a result needs.

SELECT✓ Tested
SQLGetting Started

Update one row using its primary key

SQL: Use a precise WHERE condition to change only the intended row in a scratch table.

SQL✓ Tested
SQL ServerGetting Started

Update one row using its primary key

SQL Server: Use a precise WHERE condition to change only the intended row in a scratch table.

SQL Server✓ Tested
PostgresGetting Started

Update one row using its primary key

Postgres: Use a precise WHERE condition to change only the intended row in a scratch table.

Postgres✓ Tested
SQLiteGetting Started

Update one row using its primary key

SQLite: Use a precise WHERE condition to change only the intended row in a scratch table.

SQLite✓ Tested
Arduino / CData & storage

Write and read a setting in EEPROM

Persist one byte using the update operation.

EEPROM✓ Tested
C#Collections & data structures

Add a dictionary entry only if absent

C#: TryAdd reports a duplicate key without replacing its existing value.

C#✓ Tested
CSSResponsive conditions & sizing

Apply an enhancement only when a feature is supported

CSS: A supports rule preserves the baseline outside browsers that understand the selected declaration.

CSS✓ Tested
JavaText validation & formatting

Build text efficiently in a loop

Java: Append to StringBuilder when constructing a string incrementally.

Java✓ Tested