Get app data on android device without root through adb backup

We find that the data on one of our app has problem, but we save the data on the app’s internal storage, that is /data/data folder, if the…

Dart: null safety variable and function

null safety variable

Delete files that are old than x days

I have a server to store the built apks, it will generate an apk when there is a new commit, so there are a lot of apks on the server, and…

The new VPS server that I bought

I bought a new VPS server from Contabo, I choose it because I watched a video before, that video suggested this service provider, and…

Get image base64 string before uploading file

I was trying to get the image’s base64 string without upload files to server, and find that we can use FileReader.readAsDataURL to…

Solve the git fetch origin hangs issue again

In my earlier article, I mentioned to set the timeout to solve the git fetch origin hang issue, the command I mentioned is:

How to get date with different timezone on bash scripts

Problem Statement

Solve the problem: git fetch origin hangs

Problem Statement

Build golang application to run on Android device

Recently I am researching the adb command line tool to communicate with the Android Emulator and Physical Device, and I find that we can…

How to extract vocal from a video file

Sometimes we have a video file, and want to share it with only audio files, or just want to listen the audio of the video files, so we need…

My solution to solve Unable to boot the iOS simulator

Today, when I restart my computer, and I want to start the Simulator with the following command:

How does Device File Explorer on Android Studio works

Problem Statement