1000 microseconds to seconds

The unit of time can be from very small to great, the following description is to convey a feeling of a large time span.A second (One-zero seconds of One-zero)The scientists timed the instantaneous events with a few seconds.Researchers have used

How can we get the system time in microseconds? Gracian (Mylee) 15:08:30 on C/C ++/ C LanguageQuestion? Number of questions: 20. replies: 6 On the first floor, chillman (the talented old man) replied to 15:16:59, with a score of 8. The number of

Reprinted statement: This blog Article Allow free reprint, but reprint need to indicate the author, source: Denny wqf363@hotmail.com Source: www.huntmine.com a) time unit seconds (second), milliseconds (MS), microseconds (μs ), nanoseconds (NS),

Many friends migrating to MySQL from Oracle or SQL SERVER encounter the same problem, that is, the storage and display of milliseconds. Since MySQL only provides datetime, TIMESTAMP, time, date, year, and the minimum unit of datetime and TIMESTAMP

 Description of Use The Usleep command is used to delay the time in microseconds (sleep some number of microseconds), which actually does not reach this precision (Probably not accurate on many machines the mic  Rosecond. Count on precision only

In PHP, most time formats are represented by a Unix timestamp, while the UNIX timestamp is the unit of measure time with a minimum of s (seconds). This is not accurate enough for some applications, so you can call Microtime () to return the current

Picosecond, Symbol PS (English: picosecond).1 pi seconds equals one-zero seconds (10-12 seconds)1,000 picosecond = 1 nanoseconds ns1,000,000 picosecond = 1 microseconds μs1,000,000,000 picosecond = 1 msec μs1,000,000,000,000 picosecond = 1 seconds

Reproduced in: http://blog.chinaunix.net/uid-25909722-id-2827364.html architecture and related functions representing "Time" in Linux 2011-09-13 17:01:13Category: C/In the Linux system, there are many structures representing the concept of "time",

When writing application-level programs, sometimes you need to delay, what should I do?In the kernel code, we often see such a header file using # include , and thought of calling this directly is OK! But at the time of compiling, we found thatThe

Two global variables involved in Linux clock interrupts one is xtime, it is the TIMEVAL data structure variable, the other is the jiffies, first of all, look at the timeval structurestruct Timeval{time_t tv_sec; /***second***/susecond_t