int - Related information

  • The multiplication of golang numbers and time and the problem of redis

    guys, I m using some data from golang redis set. Using gopkg.in redis.v4 usage: c.Set (uid + ": policy ", b, exp * time.Second) there is a problem here. Before this exp, I converted the string to int--> exp, _: = strconv.Atoi (policy.Exp) and then ...

    Dec.17,2021
  • Why is the hexadecimal output of-10 ffffff6?

    -sharpinclude <stdio.h> int main() { short int x = -10; - 1000 0000 0000 1010 - 1111 1111 1111 0101 - 1111 1111 1111 0110 F F F 6 - fffffff6, 4 printf("%x n", x); } I just ...

    Mar.23,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3cb22-4ef9b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b3cb22-4ef9b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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