Time zone resolution and how to adjust the time zone in Linux preface today we found that the system time of Centos6.0-64bit in Vmware is several hours different from that of the host machine. after adjusting the system time, restart and restore the
Time zone resolution and how to adjust the time zone in Linux preface today we found that the Centos 6.0-64bit system time in Vmware differs from the host time for several hours, after adjusting the system time, restart and restore the system. So I
Rm/etc/localtimeLn-sf/usr/share/zoneinfo/america/anguilla/etc/localtimeTo re-establish a soft connection for the localtime configuration problemImmediate effect[[Email protected] ~]# DateFri SEP 4 04:58:20 AST 2015Set the system time:Date-s
Some basic operations on processing time in Ruby
This article mainly introduces some basic operations for processing Time in Ruby. It mainly utilizes the powerful Time module in Ruby. For more information, see
Get the current date and time:
The
A Date and Time Processing tutorial in Ruby and a date Processing tutorial in ruby
The Time class is used in Ruby to represent the date and Time. It is based on the system date and time provided by the operating system. This type may not represent
1. Link: http://poj.grids.cn/practice/2966/
2. Question:
Total time limit:
1000 ms
Memory limit:
65536kB
Description
Until the 19th century, time calibration was a pure local phenomenon.
The questions I've asked are still being asked by the brothers.
Because REDHAT9 cannot configure the time zone as before. There are often errors without a graphical interface!
Use
/usr/sbin/timeconfig
Errors are as follows
Traceback (most
Nowadays, more and more work needs to use the time zone concepts around the world. Recently, I have seen abbreviations such as DST, EDT, PDT, wet, and CCT in my documents, which makes me dizzy. So I made a memo on the Internet:
The time zone
Internal storage format:
century, year, month, day, hour, minute, second
The default format is: DD-MON-RR.
Sysdate returns the current system time.
SELECT sysdate from DUAL;
The mathematical operation of a date
SELECT (sysdate-hire_date)/7 from
Some basic operations on Ruby processing time, And ruby processing basic operations
Get the current date and time:
The following is a simple example to get the current date and time:
#!/usr/bin/ruby -wtime1 = Time.newputs "Current Time : " +
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