When you using Android Studio to develop an App, you accidentally deleted an important file. Now, how can you save it?
Read More »How to recover accidentally deleted files in Android Studio 
If you search about “How to do a simple Python side project“, you will find the online tutorial is teaching “how to make a music player by yourself“. In any case, being able to customize a music player by yourself is quite interesting to think about.
Read More »[Python] How to play music 
CPU (Central Processing Unit) is a most important component in a computer. its main task is following the instructions given by the user. In other words, all the behaviors of our daily use of computer, including opening files, playing music, using editor to record work … etc, are all inseparable from the CPU.
The better CPU can make the computer performance better.
Read More »[Linux] How to check CPU information 
Recently, I always develop mobile App by Flutter. In the process of my development, I found that gradient rendering components can make the interface look better.
So I start to think, how do I do it in desktop application development by PyQt5?
Read More »[PyQt5] How to gradient render components in different colors 
I wrote a note about the steps of how to recovering accidentally deleted files in PyCharm IDE. Intellij IDEA that also developed by Jetbrains, can do the same.
Recently, I accidentally deleted the files when developing an App using Flutter, thank god, I use the following steps to save my files.
Read More »Intellij IDEA: How to recover accidentally deleted files
When we developing a project, SVG (Scalable Vector Graphics) is a good picture format, but sometimes we also need PNG format to build our interface layout.
Read More »Convert SVG to PNG in Python 
“Word Embedding” is a technology that is often used in natural language processing (NLP), and its concept is convert text into numerical format (numbers).
Read More »[NLP] What is “Word Embedding” 
In Ubuntu operating system, most of the software is installed and managed by APT. However, if the software we need is not officially included, we usually use the PPA (Personal Package Archive) to install the software.
Read More »[Linux] How to remove PPA that is no longer used 
Sometimes when we downloading a file via crawler, maybe network fluctuations or other work interrupt us …… but we don’t have to download the file again.
If we can resume our downloading in breakpoint, we can resume the download progress, continue to finished it.
Read More »[Python] Crawler download a file via resume breakpoint 
When we using PyQt5 tool to design the program graphical interface, sometimes maybe we want to hide the title bar to make our interface beauty:
