技术笔记

技术笔记

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.

技术笔记

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…

技术笔记

Using perl to replace file content

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

技术笔记

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…

技术笔记

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…

技术笔记

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…

技术笔记

Dart: null safety variable and function

null safety variable

技术笔记

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…

技术笔记

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…

技术笔记

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…

技术笔记

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:

技术笔记

How to get date with different timezone on bash scripts

Problem Statement