BatchInsertQuery to create raw batch insert query.

GetDuration to get duration in seconds.

GetMapKey to get key from map.

GetQuery to get URL query with default value.

GetValueFromSplit to get value from splitted string.

ResponseWithJPEG to write response with JPEG format.

ResponseWithJSON to write response with JSON format.

SecondToString to convert int seconds to string duration.

StrToNum to convert string number to integer including comma removal (1,234 -> 1234).

Thousands to format int to thousands string format.

UniqueInt to remove duplicate in slice.

Response is standard api response model.