volatile - Related information

  • Netty source code InternalLoggerFactory a little confused?

    there is a volatile attribute in the netty internal logging framework InternalLoggerFactory that defaultFactory, does not understand why the volatile keyword is added, and if it is to implement a singleton, why not add the getDefaultFactory method in th...

    Sep.22,2021
  • After using the volatile variable, which one conforms to the happens-before rule?

    public class TestClass { int i = 0; volatile boolean tmpvo = false; public void one() { i = 1; tmpvo = true; } public void two() { if(tmpvo) { int j = i; ...... } } } suppose that after the one () metho...

    Mar.29,2021
  • The relationship between ThreadLocal and volatile

    for unprotected multithreads, it is uncertain when some data is modified in one thread and when it is submitted to main memory, and the values used by other threads are not necessarily up-to-date. in the case of volatile modification, it is guaranteed t...

    Mar.06,2021
  • 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-64f5-1b335cb-2b1ef.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b335cb-2b1ef.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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