2021.02.6
important strategy to use:
sudo -i gedit /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
change the internet portal to 2 instead of 3, then the internet speed should have a big improment.
Ubuntu 20.04 Network Performance Extremely Slow
main refernece:
speedtest-cli
How to resolve “dpkg: error processing /var/cache/apt/archives/python-apport_2.0.1-0ubuntu9_all.deb”?
speedtest-cli – Internet Speed Test In Linux Terminal
http://www.linuxandubuntu.com/home/speedtest-cli-internet-speed-test-in-linux-terminal
Fix very slow Internet on Ubuntu 18 easily.
linux下网速慢，但是在windows下网速正常，请问什么原因。?
Ubuntu 16.04 minimal - extremely slow internet connection
Linux: Prefer IPv4 over IPv6 in dual-stack environment (and prevent problems when only IPv4 exists)
1.Do not forget to add the semicolon at the end of the code; 2.if you want to add the \n, make sure it is inside of the dobuble quote;
Main refernce:
Mike Dane C playlist
1.finish the short chapter first time;
2.write down the key content list in the code block;
3.write down the code according to your understanding;
4.If you get stuck during writing the code, then go back to the certain paragraphs to look for the answer or borrow the power of the search engine;
5.Document down the diffcult part to the code reading, then Save the code into the github file;
sudo add-apt-repository ppa:rodsmith/refind && sudo apt update && sudo apt install refind && sudo refind-mkdefault
Uninstall
How to remove rEFInd drivers completely from my ubuntu?
Uninstalling rEFInd
Unable to locate package brave-browser on Ubuntu 18.04.1 LTS (lubuntu)
How To Fix Could Not Get Lock /Var/Lib/Dpkg/Lock Error On Ubuntu
Main reference:
C Programming Language, 2nd Edition by Brian W. Kernighan, Dennis M. Ritchie.pdf
The C Programming Language,Second Edition:
Reference:
Learning Material:
如何学好C语言
C - Programming Language | Tutorial
Algorithms in C(Robert Sedgewick).pdf
CS50 2019 - Lecture 1 - C
Bug fixing:
1.E: Unable to locate package mingw32, Linux Mint
2. 12 C Programming Cross Compiling for Windows On Linux
sudo apt-get install mingw64-binutils mingw64-runtime
Main reference:
Ubuntu cross compilation for Windows
How to Install Code Blocks on Ubuntu 16.04, Ubuntu 18.04, 19.04
- Terminal method:
$ gcc sampleProgram.c -o sampleProgram
$ ./sampleProgram
How to Write and Run a C Program in Linux
2. Visual Studio:
Method 2: How to run C programs in Linux using a code editor like Visual Studio Code
3. Mix way:
1.First, you need to use the Visual studio to compile the c project file;
2.Second, you cd the project file into the terminal;
cd '/home/glenn/Programs/hello'
- Use command to check the result:
/.hello
1.First, you need to use the Visual studio to compile the c project file;
2.Second, you cd the project file into the terminal;
cd '/home/glenn/Programs/hello'
- Use command to check the result:
/.hello
Main Reference
beginners-C-program-examples/Addition.c
gcc number.c -o number -lm
Main references:
beginners-C-program-examples/combine_calculator.c
Compiling C program with math.h library in Linux.
References:
Top 7 Exciting Project ideas in C For Beginners [2021]
C Project Based Tutorials?
50+ C/C++ Projects with Source Code
- First you need to use the blutooth only to share internet to the PC.
- Run the code below to install the external drive:
sudo lshw -C network
sudo apt remove broadcom-sta-dkms bcmwl-kernel-source
sudo apt install firmware-b43-installer
- Reboot the computer to see the wifi symbol;