Checksum creates a unique CRC32 checksum from a string.

ElapsedTimeSince returns the difference between t and now.

Fingerprint creates a unique ID (MD5) from a string.

GetJSON querys a url for an expected JSON struct.

IncT increments a timstamp (in seconds) by m minutes.

PostJSON posts a JSON object to a given URL.

PrettyPrintJSON prints a struct to STDOUT nicely.

PrintJSON formats a struct into a JSON string.

PutJSON posts a JSON object to a given URL (HTTP PUT).

Random returns a random number between 0 .

RandomPlusMinus returns a random number between -max .

RandomToken generates a random token similar to a to a RFC 4122 UID.

RequestLogger is used to print the GIN raw request message body.

ShortUUID returns a short (6 bytes) UID.

SimpleUUID generates a random UUID according to RFC 4122, without any dashes.

StringToTime converts a string with a date/time into a timestamp.

Timestamp returns the curent time in seconds UTC.

TimestampNano returns the curent time in miliseconds UTC.

TimestampToHour retuns the hour of the day for the timestamp.

TimestampToUTC converts a timestamp to UTC timestamp.

TimestampToWeekday retuns the day of the week for the timestamp.

UUID generates a random UUID according to RFC 4122.

ValueWithDefault returns the value of a default if empty.