minchao

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

minchao

Origin API:

$ httpstat 'https://journal.funlidays.com/api/discover/en/layouts/feature_list?offset=0&limit=20'
Connected to 3.225.89.236:443 from 192.168.2.122:63579

HTTP/1.1 200 OK
Connection: keep-alive
Server: nginx
Date: Fri, 30 Oct 2020 09:08:17 GMT

minchao

Resources:
  NoCachePolicy:
    Type: AWS::CloudFront::CachePolicy
    Properties:
      CachePolicyConfig:
        DefaultTTL: 0
        MaxTTL: 300
        MinTTL: 0
        ParametersInCacheKeyAndForwardedToOrigin:
          CookiesConfig:

minchao

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD