How to grant permission to other user with setfacl

The tool setfacl on linux is used to set file access control lists, for example, I have a user named stephen , and I have a test file…

Remote development with vscode

I am thinking about save files on a remote server, and develop with vscode on local machine, this is the solution.

Get the reason of “you can’t install the app on your device”

Today, when I package an app, and try to install on the device, it report the following error:

Solved: dyld: Symbol not found: _OBJC_CLASS_$_NSURLSessionWebSocketMessage

This error was occurred when run the app on an iOS device with OS version less than 13, after investigate the problem was caused by the…

Solved: The apk files was download as zip file on Android device

Problem

Build iOS application and upload to App Store from command line

Currently I am investigate how to build the iOS application from command line, this article is what I have done right now.

Solved: Missing Compliance status for TestFlight

When we upload application for test on TestFlight, it always in Missing Compliance status, because it is in this status, the application…

Using perl to replace file content

In the build.gradle.kts has a versionNumber variable, the content is like below:

Pairing Android Device with adb from command line

I usually pair Android Device from Android Studio, and I want to pair the device from command line, so it will be easier to connect with…

Hard reset supervisors on druid

We are using druid to analysis logs, we load data from kafka, but when I move data folder or move from one server to another server, after…

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