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Anonymous A (OP) double-posted this 4 months ago, 11 minutes later[^][v]#1,390,626
If post 1 is 14 years old, and this is post 129,119 that means that there are an average of 9,222 posts per year, which means we can expect post 2,147,483,648 to be uploaded in 232,865 years.
Anonymous C double-posted this 4 months ago, 4 minutes later, 33 minutes after the original post[^][v]#1,390,639
It’s because the way computers store numbers in binary is they use 2s complement which is when you take all the bits, flip them, and add 1 to turn a positive number negative. So you get one fewer positive numbers.
tteh !MemesToDNA replied with this 4 months ago, 3 minutes later, 52 minutes after the original post[^][v]#1,390,646
@1,390,638 (C)
Also you're leaving out the crucial part: that's for signed integers. You can double that with unsigned INT (topic IDs are never going to be negative obviously).
Anonymous C replied with this 4 months ago, 24 seconds later, 53 minutes after the original post[^][v]#1,390,647
@1,390,645 (Meta)
In 4 bit 2s complement the first bit is 1 if the number is negative, the first bit is 0 if the number is positive. You subtract by adding.
For example 4 - 2 is 4 + (-2):
2 in 4 bit unsigned binary is 0010, you negate that, it’s 1101, add one to it it becomes 1110