2017-05-18

kafka in a nutshell

IntroductionKafka is a distributed publish-subscribe messaging system that is designed to be fast, scalable and reliable. It can be used in data analysis, stream processing and other similar tasks. Th

Coding

2017-05-15

what does "this" refer to in javascript?

Introductionthis in javascript is always a mysterious thing. Some programmers who have written a lot of javascript code still cannot tell the value of this every now and then. So today, I decided to w

Journal

2017-05-15

re-embrace hexo and hueman

About a month ago, I started writing blogs in Chinese using WordPress. I stuck to the plan for about several days then decided to use English instead. The reason is unbelievably simple: typing English

Coding

2017-05-13

An Illustration of Various Encoding Schemes

What are encoding schemes?Encoding schemes are ways to store and retrieve characters in computers. For example, in ISO-8859-1(which is one of various encoding schemes), we use 01100001 to denote a, an

Coding

2017-05-10

Serialization and Deserialization in Java

IntroductionSerialization: a process which converts a Java instance into a bunch of bytes, so it can be stored in disk/database or transferred through network. Deserialization: the opposite of Seriali

Coding

2017-05-07

the machanism of garbage collectors in Java

There are several garbage collectors in Java, each has its specific usage scenario. To understand garbage collection, we first have to understand how heaps are divided in Java. Heaps are divided into

Archive: 2017/5

kafka in a nutshell

what does "this" refer to in javascript?

re-embrace hexo and hueman

An Illustration of Various Encoding Schemes

Serialization and Deserialization in Java

the machanism of garbage collectors in Java