Out of Comfort Zone

在阿里云上启用SWAP时，fallocate失败

国行iPhone上使用UIActivityViewController无法分享到 Facebook/Twitter

fix 401 error of Google Rest API;

summary of how to handle rotation in iPhone;

Error: Multiple commands produce 的解决;

fix gem error: certificate verify failed;

读《深入浅出Node.js》之异步编程有感;

New in Swift 5.0 and 5.1;

pelican中markdown格式书写更新: table 和 TOC;

WWDC2019-universal link 中的更新; New in Universal Link;