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
Date functionDate functions manipulate Date values (fields of date type), timestamp values (TIMESTAMP, TIMESTAMP with time ZONE, and TIMESTAMP with the fields of the local time ZONE type), and interval values (INTERVAL day to SECOND and INTERVAL
$now _time = Date ("H:i:s"); Get the time question, ask the seniors
$now _time = Date ("H:i:s"); Will the current time obtained be 12 o'clock? Where do you want to set up a 24-hour system?
Because
$now _time = Date ("H:i:s"), for example 15:50:22
$s
A, date () function
string Date (string $format [, int $timestamp])Function: Formats the timestamp as an easy-to-read time and date.
Parameters
Description
Format
Necessary. Specifies
1 time stamp : GMT January 01, 1970 00 minutes 00 seconds (Beijing time January 01, 1970 08:00 00 seconds) up to now the total number of seconds.The usual way to get time in Python is to get a timestamp before converting it to the desired time
PHP Gets the current time (year, month, day, hour, minute, second)
1echo date ("h:i");
Date
(PHP 3, PHP 4)
date-formatting a local time/date
Description
String date (string format [, int timestamp])
Returns a string that is the result of the
PHP two commonly used date related functions date and strtotime, I believe we must not be unfamiliar. But we usually use all just basic function, what time stamp change date format, date format change timestamp.In fact, these two functions have a
7.5 String Matching
The re module provides regular expression matching for advanced string synthesis. For complex matching and processing, regular expressions can provide concise optimization methods:
>>> Import re
>>> Re. findall (R' \ bf [a-z] * ',
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.