Preface Recently, my VPN (翻墙) kept being unstable. It turned out to be a firewall configuration problem. Let me record it today. Configuration The default firewall on CentOS7 is not iptables, bu...

Preface Recently the company issued a new MacBook Pro to me, and after a lot of fiddling I found that my original software couldn’t be migrated over, or was too troublesome to migrate. Hence thi...

Preface To avoid wasting time reinstalling Windows every time, I decided to write down the whole process in an article for later reference, since I always forget what tools I need when fixing comp...

Preface Recently I happened to look at AVKit and found a lot of new content inside. Among it is a UI control called AVRoutePickerView, which I planned to study. Actually it’s very common — you c...

Preface It’s been a long time since I last updated my blog (too many family matters, tight time, and limited working hours). Today I bring you Douyin’s scrolling caption — the album name of a mu...

Preface First post of the new year. Let me record the tools I’ve found most useful. Snipaste for Screenshots Whenever there’s no internet access, or when I get a new Mac, there’s no screenshot s...

Preface Five years of toiling head-down; at dawn, the mirror shows white hair first. A whole year passes without a tear, yet the seasons roll on and winter is cold. It feels like going back to 2...

Preface These past few days have been quite busy. Today I bring you the implementation of Douyin’s transition animation. Enough talk — here’s the picture. This requires the swipe up/down demo f...

Preface These past few days I ran into a problem: when a pan gesture is applied to a view, I couldn’t distinguish its direction. So I found the answer on StackOverflow and documented it here. - ...

Preface Hi everyone, it’s me again. Today I’m sharing the implementation of the Douyin (TikTok) like animation. Enough talk, let me show you the pictures. The main technical points covered in t...