wangfengflyj

需求描述 用户可以领取多张优惠券，每个优惠券附带用户身份信息，比如在某段时间内获取了某些属性课程的用户才可以使用该张优惠券。 当用户下单时，需要根据当前登录的用户身份过滤出...

== is often used to check if two errors equal in golang, but in some cases, errors.Is ...

guess what will return after executing below code, How amazing! Why? Because when comp...

Let's see the meaning of request_time and upstream_response_time in stress testing, re...

not all panics can be recovered, such as map concurrent panic can not be recovered usi...

introduce redis timeout and tcp-keepalive feature with phpredis extension to understan...

php项目经常用到composer来管理依赖关系，有时候会遇到如下的错误： zzz依赖xxx，xxx依赖0.0.6版本的bbb, yyy依赖0.0.7版本的bbb，这时候会...

Here are some frequently used configurations. Set some action before the pod is stoppe...

In some case when we need to process some data not all at once, this is when the pipel...

Sometimes we need to initialize an instance according to different arguments, even wit...

String in Golang has immutability, which means modifying a string value will allocate ...

In this article, I want to explore the value and pointer semantic while passing method...

In the previous article, I explained the difference between value semantic and pointer...

The for-range is very powerful in Golang, which can be used to iterate over array, sli...

We can define a struct, which has a field with type of interface, such as below, The T...

While reading consensus part of source code of hyperledger fabric, I saw this snippet ...

There is no inheritance like other object oriented language in golang, golang uses com...

Pacakge in golang provides us with powerful tools that can be used to organized code i...