Ranter
Join devRant
Do all the things like
++ or -- rants, post your own rants, comment on others' rants and build your customized dev avatar
Sign Up
Pipeless API
From the creators of devRant, Pipeless lets you power real-time personalized recommendations and activity feeds using a simple API
Learn More
Comments
-
atheist99303yValue is above max int precision, JS uses floating point numbers to store integers (it's lying to you), so what you're seeing is float quantization, I think.
-
Just read about Number.MAX_SAFE_INTEGER and it references something called BigInt.
https://developer.mozilla.org/en-US...
Edit: You just too big. (TWSS) -
sariel85313y@happygimp0 what's wrong with ignoring the 30 compliant standards and making one up on your own?
That's what being a node dev is all about... Making shit up and turning it into a npm package! -
@happygimp0 haha, they are transaction IDs - from the API docs they are officially int64 which is fine for "real" languages... but... I guess I'll have to be happy with just string client-side lol
-
@saucyatom other languages do this, too.
E.g. MySQL - to stay architecture independent. BigInt with float fuckery to represent a 64 bit integer -
@atheist I assumed something like that was going on... I know there are libraries for handling this "feature" of the language, but no idea how reliable they are. I remember yelling at someone a few days ago on here because they wanted to do something like orbital calculations in javascript.... this is a great example of one of those glaring reasons why you wouldn't want to do that :)
-
atheist99303y@fullstackchris thing is, you'll get the same result in a lot of languages, floating point numbers have 2^53 bits of precision or something. Even c, default ints are 32 bits of precision, longs 64. For orbital mechanics, that's probably enough for 2 body calculations, 3 body problem is chaotic anyway so you'll get weirdness for exact calculations.
-
@atheist No. A int in C is not 32 per default nor a long 64 bit. Standard says a int should have at least 15 value bits and 1 sign bit (that is implied for the minimum rang of -32767 [sic] to +32767), a long has at minimum 31+1 bit. If you want a 32 bit integer use uint32_t or int32_t, other options that are at least 32 bit are uint_fast32_t, int_fast32_t, , uint_least32_t, int_least32_t, long, unsigned long.
There are similar types for 64 bit, or you can use long long which is at least 64 bit.
Do not assume a int has more than 16 bit. On halve of the architectures which i programmed for used 16 bit ints. -
atheist99303y@happygimp0 by default on most modern systems. My point was more around "other languages have finite precision", but you're right the standard doesn't guarantee the precision I listed.
-
@jeeper haha, select from data where id = ... shit where did it go!?!?
Sometimes I wish SQL had a "close enough" function 😂
parseInt("220125152409071002")
220125152409071000
Looks good... looks good... looks good... wait wtf?!? where the hell is the 2?!?!
rant
javascript