Dbdbs' backup and recovery are important for DBAs. In the online mode, you have enabled the rollback and recovery mode for DB2 backup, to RESTORE a table space set, run the RESTORE and ROLLFORWARD commands to RESTORE the table space set.
For a DB2
1. Definition of time stampTimestamp (timestamp), usually a sequence of characters that uniquely identifies a moment in time, referring to the total number of seconds GMT January 01, 1970 00:00 00 seconds (Beijing time January 01, 1970 08:00 00
The first requirement is to do a display of online user nicknames and online numbers.
Then the personal idea is to make a field in the user table to mark the user online (1) or not online (0), when the user logs on the setting of this field is 1,
Using Python to make timestamp conversion tools
Python timestamp to date date to timestamp
In general, as a programmer, JSON and timestamps are commonly used two tools, I consulted many friends, they are generally through the online tool to
Python obtains the 13-bit unix timestamp, 13-bit Python
When developing a web program in python, you must call a third-party interface and sign the request. Unix timestamp is required.In python, many methods are introduced online, and the timestamp
PHP example Tutorial: program code for the number of online users of the website, which is supported by the MYSQL database in the background. You can directly count the number of online users of the website.
PHP example Tutorial: program code for
PHP Example Tutorial: Website online number of program code, the background has MySQL database support. You can directly count the current number of people online.
The first is to create a MySQL database table.
CREATE TABLE TableName (field type
Just used PHP to write a website online number of procedures, please come in to guide!I use Php+mysql to write, principle: Website online number of program code + backstage has MySQL database support, you can directly statistics the current number
Php+mysql realize the number of online Web site, the background has MySQL database support. You can directly calculate the current number of online Web site.
The first is to create a MySQL database table.
CREATE TABLE TableName (field type
The program code of the number of online users of the website, which is supported by the MySQL (the best combination with PHP) database in the background. You can directly count the number of online users of the website.
First, create a MySQL
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