unsigned-long-long-int

Can the Django ORM store an unsigned 64-bit integer (aka ulong64 or uint64) in a reliably backend-agnostic manner?

August 3, 2023 by Tarik

Although I did not test it, but you may wish to just subclass BigIntegerField. The original BigIntegerField looks like that (source here): class BigIntegerField(IntegerField): empty_strings_allowed = False description = _(“Big (8 byte) integer”) MAX_BIGINT = 9223372036854775807 def get_internal_type(self): return “BigIntegerField” def formfield(self, **kwargs): defaults = {‘min_value’: -BigIntegerField.MAX_BIGINT – 1, ‘max_value’: BigIntegerField.MAX_BIGINT} defaults.update(kwargs) return super(BigIntegerField, self).formfield(**defaults) … Read more

Java equivalent of unsigned long long?

December 23, 2022 by Tarik

Starting Java 8, there is support for unsigned long (unsigned 64 bits). The way you can use it is: Long l1 = Long.parseUnsignedLong(“17916881237904312345”); To print it, you can not simply print l1, but you have to first: String l1Str = Long.toUnsignedString(l1) Then System.out.println(l1Str);