Results for “ff-only”

C#Text validation & encoding

Build text incrementally with StringBuilder ↗

C#: Append fragments instead of repeatedly concatenating intermediate strings in a loop.

C#✓ Tested

SQLWindow analytics

Calculate a cumulative integer percentage ↗

SQL: Divide a running window sum by the complete total using a unique ordering key.

SQL✓ Tested

SQL ServerWindow analytics

Calculate a cumulative integer percentage ↗

SQL Server: Divide a running window sum by the complete total using a unique ordering key.

SQL Server✓ Tested

PostgresWindow analytics

Calculate a cumulative integer percentage ↗

Postgres: Divide a running window sum by the complete total using a unique ordering key.

Postgres✓ Tested

SQLiteWindow analytics

Calculate a cumulative integer percentage ↗

SQLite: Divide a running window sum by the complete total using a unique ordering key.

SQLite✓ Tested

CNumeric parsing & arithmetic

Calculate a page count without an overflowing addition ↗

C: Divide first and add one only when a nonzero remainder remains.

C✓ Tested

C#LINQ transformations

Calculate a product with Aggregate ↗

C#: Supply a seed to define the result for an empty sequence.

C#✓ Tested

PostgresWindows & text

Calculate a running total ↗

Accumulate values in row order.

window✓ Tested

GoJSON & encoding

Calculate a SHA-256 text digest ↗

Calculate a SHA-256 text digest using a complete Go program with explicit sample inputs.

Go✓ Tested

C#Getting Started

Calculate a simple total ↗

C#: Multiply a unit price by a quantity, then add a delivery fee.

C#✓ Tested

GoGetting Started

Calculate a subtotal ↗

Calculate a subtotal using a complete Go program with explicit sample inputs.

Go✓ Tested

SQLGetting Started

Calculate a total for each group ↗

SQL: Group nonmissing categories and calculate separate totals.

SQL✓ Tested