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On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
Off-by-one errors are common in using the C library because it is not consistent with respect to whether one needs to subtract 1 byte – functions like fgets() and strncpy will never write past the length given them (fgets() subtracts 1 itself, and only retrieves (length − 1) bytes), whereas others, like strncat will write past the length given them.
A full list of these data structures is virtually impossible to derive, but there are well-known data structures that have the Unix time problem: File systems that use 32 bits to represent times in inodes; Databases with 32-bit time fields; Database query languages (such as SQL) that have UNIX_TIMESTAMP()-like commands
Software timekeeping systems vary widely in the resolution of time measurement; some systems may use time units as large as a day, while others may use nanoseconds.For example, for an epoch date of midnight UTC (00:00) on 1 January 1900, and a time unit of a second, the time of the midnight (24:00) between 1 January 1900 and 2 January 1900 is represented by the number 86400, the number of ...
Year 2038 problem: a time formatting bug in computer systems with representing times after 03:14:07 UTC on 19 January 2038; GPS week number rollover: time keeping integer rollover caused by the design of the Global Positioning System, which occurs every 19.6 years; 512k day: an event in 2014, involving a software limitation in network routers
The tattooed corpse of a woman was found bizarrely stuffed in a refrigerator dumped in some New Jersey woods — and cops say they need the public’s help identifying her.
The American mathematician Richard Hamming pioneered this field in the 1940s and invented the first error-correcting code in 1950: the Hamming (7,4) code. [ 5 ] FEC can be applied in situations where re-transmissions are costly or impossible, such as one-way communication links or when transmitting to multiple receivers in multicast .
The time to shop for Christmas gifts is now: Take advantage of these great Cyber Monday sales. (Ariel Skelley via Getty Images) Black Friday and Cyber Monday are the best times to shop for holiday ...