In the process of international software project development, sometimes encounter some more special requirements. For example, you do a shopping site (assuming the server is placed in Shanghai, China), when the world's customers on your website
Global 24 time Zones Division
The World Time Zone table, which can display time and place names in each of the world's time zones, is more sophisticated and complex than the two-way timetable, and usually the world time zone table's dial will mark
Last year, the Internet map industry began to introduce crowdsourcing model, the domestic relatively large map vendors, such as four-dimensional map, high-gold maps, Baidu Map began to launch the application of UGC, crowdsourcing to users to collect
In the development process, there are two concepts related to the regional area: character encoding and time; the evolution of the Code and Time specification has a historical legacy, and it is a corner of the development of software. About
NSDate is stored in world standard Time (UTC) and needs to be converted to local time when output
It seems to be starting from ios4.1 [NSDate Date]; It's GMT time, which is 8 hours away from Beijing time, and the following code solves this problem.
Linux ntp time server configuration tutorial, ntp server configuration
Network Time Protocol (NTP) is also a new test requirement for RHCE. During study, I also reviewed how to set the Linux Time. Now I will share it with you.
It is not difficult
Time-related commands in CentOS
Time is the most basic part in any system and is indispensable. This document describes the time-related commands in the CentOS system.Basic Concepts
Hardware Clock (Hardware Clock)Hardware clock, also known as
Network time Protocol (NTP) is also a new exam requirement for RHCE. Study time also by the way to review how to set up Linux time, now take out and share with youSetting up an NTP server is not difficult, but NTP itself is a very complex protocol.
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