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PostgresWindow analytics

Rank tied scores without gaps

Postgres: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.

Postgres✓ Tested
Arduino / CEEPROM & program memory

Read 16-bit values from a flash table

Arduino / C: pgm_read_word retrieves a complete word from program memory.

Arduino / C✓ Tested
C#JSON & binary formats

Read a big-endian binary integer

C#: Use BinaryPrimitives when the protocol byte order differs from or must not depend on the host.

C#✓ Tested
Arduino / CGetting Started

Read a button in the Serial Monitor

Arduino / C: Use a pull-up input and if/else to report three button readings.

Arduino / C✓ Tested
Arduino / CDigital input & output

Read a button with the internal pull-up

Treat a grounded input as a pressed button.

INPUT_PULLUP✓ Tested
Arduino / CEEPROM & program memory

Read a byte lookup table from flash

Arduino / C: PROGMEM tables require the AVR program-memory access functions.

Arduino / C✓ Tested
Arduino / CSerial protocols

Read a decimal number from serial input

Arduino / C: parseFloat parses a signed decimal value from the input stream.

Arduino / C✓ Tested
C#File operations & paths

Read a filename stem and extension

C#: Use Path helpers instead of splitting a path on dots or directory separators.

C#✓ Tested
Arduino / CSerial protocols

Read a fixed-size serial payload

Arduino / C: readBytes returns the number of bytes actually received.

Arduino / C✓ Tested
C#Data & dates

Read a JSON property

Parse a JSON document and dispose it after reading in C#.

C#✓ Tested
PostgresJSON & arrays

Read a JSONB field as text

Extract a nested value from a JSON document.

jsonb✓ Tested
PostgresSubqueries & ranked selection

Read a page after a known unique key

Postgres: A keyset predicate avoids scanning and discarding an increasing offset on a suitable index.

Postgres✓ Tested