Blog New Feature: Pagination

March 12, 2019, 10:33 a.m.

I will post the code later.

Read More

Blog New Feature: Snapshots for posts

March 12, 2019, 10:30 a.m.

They have been set a limit as 120 char in HTML tags.

Read More

Network Address, # of Hosts, Broadcast Address 的计算

Feb. 25, 2019, 4:22 p.m.
Review

加入给定以下Ip Address and Subnet Mask:

172.30.10.130

255.255.252.0

如何计算Network Address?

255直接忽略掉因为add之后和原来的ip地...

Read More

The OSI Model

Feb. 24, 2019, 7:31 p.m.
Review

There are 7 layers in total.

Layer 7 is the Application layer that are some protocols of network applications like...

Read More

Database Normalization

Feb. 21, 2019, 10:30 p.m.
Database Database Review

There are two goals to normalize data.

Reduce redundancy and remove anomalies.

...
Insertion Anomaly

Read More