1. Create a test table
CREATE TABLE big_data
(
id character varying(50) NOT NULL,
name character varying(50),
datetime timestamp with time zone,
CONSTRAINT big_data_pkey PRIMARY KEY (id)
Tag: Summary
DRBD + HeartBeat + NFS Summary Command Record
DRBD+HEARTBEAT+NFS brief command record
Preliminary preparations: add disks to 2 machines, and connect 1 heartbeat sync line to the network
by fdisk- l It can be seen that there is a de
Coldfusion – How to get rid of the strange characters in my RSS?
I created a utf8-encoded RSS feed, which provides news data extracted from the database. I have set all aspects of my database to utf8 and pasted it Go to Notepad and save as utf8 to save the text
I-JETTY-3.1 Compilation Summary
because i-jetty-3.1 is Maven-based projects can be compiled in eclipse or command line mode, but the corresponding environment needs to be set.
The following details the i- of the command lin