2021年11月26日星期五

Reference

https://packaging.python.org/tutorials/packaging-projects/

https://dzone.com/articles/executable-package-pip-install

https://setuptools.pypa.io/en/latest/userguide/declarative_config.html

Cheat sheet


# Install all needed packages
python -m pip install --upgrade pip setuptools wheel
python -m pip install tqdm
python -m pip install --upgrade twine
python -m pip install --upgrade build

# Prepare the package structure and all needed files

# Build the package
python -m build

# Upload to test
python -m twine upload --repository testpypi dist/*
# Upload to prod
python -m twine upload --repository pypi dist/*

# Install the package by specific the repo
python -m pip install --index-url https://test.pypi.org/simple/ --no-deps example-pkg-YOUR-USERNAME-HERE

2021年9月5日星期日

Testing code snippets


#include <iostream>

void main(int argc, char* argv[])
{
    return 0;
}

2021年6月18日星期五

2021年3月27日星期六

C++ package manager CMake vcpkg

How to use vcpkg with CMake

Steps

Create C++ project by CCreate

CCreate -p TradingPlatform
cd TradingPlatform/Projects/TradingPlatform/app
CCreate -a ThePlatform

Install vcpkg

https://docs.microsoft.com/en-us/cpp/build/install-vcpkg?view=msvc-160&tabs=linux
git clone https://github.com/microsoft/vcpkg
cd ./vcpkg
./bootstrap-vcpkg.sh

Install package

cd ./vcpkg
./vcpkg search | grep json
./vcpkg install rapidjson

Computing installation plan...
The following packages will be built and installed:
    rapidjson[core]:x64-linux -> 2020-09-14
Detecting compiler hash for triplet x64-linux...
Could not locate cached archive: /home/sulfred/.cache/vcpkg/archives/16/16e324f00567b9fbcd2f106e12e631094b31b5de.zip
Starting package 1/1: rapidjson:x64-linux
Building package rapidjson[core]:x64-linux...
-- Downloading https://github.com/Tencent/rapidjson/archive/ce81bc9edfe773667a7a4454ba81dac72ed4364c.tar.gz -> Tencent-rapidjson-ce81bc9edfe773667a7a4454ba81dac72ed4364c.tar.gz...
-- Extracting source /home/sulfred/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Projects/vcpkg/downloads/Tencent-rapidjson-ce81bc9edfe773667a7a4454ba81dac72ed4364c.tar.gz
-- Using source at /home/sulfred/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Projects/vcpkg/buildtrees/rapidjson/src/c72ed4364c-35829b36f2.clean
-- Configuring x64-linux-dbg
-- Configuring x64-linux-rel
-- Building x64-linux-dbg
-- Building x64-linux-rel
-- Installing: /home/sulfred/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Projects/vcpkg/packages/rapidjson_x64-linux/share/rapidjson/copyright
-- Installing: /home/sulfred/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Projects/vcpkg/packages/rapidjson_x64-linux/share/rapidjson/usage
-- Performing post-build validation
-- Performing post-build validation done
Stored binary cache: /home/sulfred/.cache/vcpkg/archives/16/16e324f00567b9fbcd2f106e12e631094b31b5de.zip
Building package rapidjson[core]:x64-linux... done
Installing package rapidjson[core]:x64-linux...
Installing package rapidjson[core]:x64-linux... done
Elapsed time for package rapidjson:x64-linux: 1.485 s

Total elapsed time: 1.76 s

The package rapidjson provides CMake integration:

    find_package(RapidJSON CONFIG REQUIRED)
    target_include_directories(main PRIVATE ${RAPIDJSON_INCLUDE_DIRS})

Cmake setting

-DCMAKE_TOOLCHAIN_FILE=../Projects/vcpkg/scripts/buildsystems/vcpkg.cmake

sulfred@sulfred-PC:~/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Debug$ cat readme.txt | grep cmake
cmake -G Ninja ../Projects -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=../Install -DCMAKE_TOOLCHAIN_FILE=../Projects/vcpkg/scripts/buildsystems/vcpkg.cmake
sulfred@sulfred-PC:~/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform/Debug$ cd ..
sulfred@sulfred-PC:~/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform$ ll
total 24
drwxrwxr-x 6 sulfred sulfred 4096 Mar 27 20:05 ./
drwxrwxr-x 3 sulfred sulfred 4096 Mar 27 20:10 ../
drwxrwxr-x 4 sulfred sulfred 4096 Mar 27 20:29 Debug/
drwxrwxr-x 3 sulfred sulfred 4096 Mar 27 20:30 Install/
drwxrwxr-x 4 sulfred sulfred 4096 Mar 27 20:30 Projects/
drwxrwxr-x 2 sulfred sulfred 4096 Mar 27 20:05 Release/
sulfred@sulfred-PC:~/Documents/SoftwareDev/github/SulfredLee/DailyProblem/cpp/app/ProjectCreater/bin/TradingPlatform$ ll Projects/
total 24
drwxrwxr-x  4 sulfred sulfred 4096 Mar 27 20:30 ./
drwxrwxr-x  6 sulfred sulfred 4096 Mar 27 20:05 ../
-rw-rw-r--  1 sulfred sulfred 1025 Mar 27 20:28 CMakeLists.txt
drwxrwxr-x  5 sulfred sulfred 4096 Mar 27 20:30 TradingPlatform/
-rw-rw-r--  1 sulfred sulfred  560 Mar 27 20:05 TradingPlatform.cmake
drwxrwxr-x 14 sulfred sulfred 4096 Mar 27 20:12 vcpkg/

cat ../Projects/CMakeLists.txt

find_package(RapidJSON CONFIG REQUIRED)
message(STATUS "Rapid include PATH: " ${RAPIDJSON_INCLUDE_DIRS})

2020年11月15日星期日

.gitconfig

location

C:\Users\<name>\.gitconfig

.gitconfig

[diff]
       tool = winmerge
       prompt = false
[difftool "winmerge"]
       path = C:/Program Files/WinMerge/winmergeu.exe
	   cmd = \"C:/Program Files/WinMerge/winmergeu.exe\" /e /u /wl /dl "$LOCAL" /dr "$REMOTE" "$LOCAL" "$REMOTE"
[merge]
       tool = winmerge
       prompt = false
[mergetool "winmerge"]
       path = C:/Program Files/WinMerge/winmergeu.exe
       cmd = \"C:/Program Files/WinMerge/winmergeu.exe\" /e /u /wl /dl "$LOCAL" /dr "$REMOTE" "$LOCAL" "$REMOTE" -o "$MERGED"
       trustExitCode = true
       keepBackup = false

[diff]
       tool = meld
       prompt = false
[difftool "meld"]
       path = C:/Program Files (x86)/Meld/Meld.exe
	   cmd = \"C:/Program Files (x86)/Meld/Meld.exe\" "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
[merge]
       tool = meld
       prompt = false
[mergetool "meld"]
       path = C:/Program Files (x86)/Meld/Meld.exe
       cmd = \"C:/Program Files (x86)/Meld/Meld.exe\" "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
       trustExitCode = true
       keepBackup = false
[user]
	email = sflee1112@gmail.com
	name = SulfredLee

2020年11月6日星期五

Aim

Here are some examples showing how to use cmake find packet.

Learn from

Here

Examples - use default modules

ALSA library

You can install the library first.

$ sudo apt-get install libasound2

You can put the following code into CMakeLists.txt.

# Handle ALSA / ASound libraries
find_package(ALSA)
if (ALSA_FOUND)
  message (STATUS "Info - Found ALSA library: ${ALSA_LIBRARY}")
  message (STATUS "Info - Found ALSA include: ${ALSA_INCLUDE_DIR}")
else (ALSA_FOUND)
  message (FATAL_ERROR "Info - ALSA is not found")
endif (ALSA_FOUND)

How can I know which variables I can use?

Go to official web site 001 or official web site 002
In ubuntu you can go to the installation path and find all the modules

/usr/share/cmake-3.16/Modules
FindALSA.cmake

2020年10月23日星期五

Ubuntu 20.04

Install and use (Basic)

Install xrdp by

$ sudo apt-get install xrdp

Logout, since you cannot remote login while the session is begin used.

Connect from other PC, for example:

DONE

If not working

By default Xrdp uses the /etc/ssl/private/ssl-cert-snakeoil.key file which is readable only by users that are members of the “ssl-cert” group. Learn From
Add to group ssl-start.

$ sudo adduser xrdp ssl-start

Change close lip behavior

Learn From

Restart service to activate your change

$ sudo systemctl systemd-logind.service

2020年10月3日星期六

Aim

When running c++ application, we would like to get the core dump when the application is crashed. How to get those files under linux?

Learn from

Link

Steps

Add to ~/.bashrc

ulimit -c unlimited

Add to /etc/sysctl.conf

kernel.core_pattern = core.%e.%p.%t

Run command:

$ sudo sysctl --system

On Ubuntu 20.04

You can use the default setting first:

If the guest OS cannot connect to internet, you may try the host nic and bridge it:

If that is not okay, you may need to create a new network source. The easiest way is to install VMWare workstation or Virtual box. They will create the needed network configuration for their VMs. Now you can use the network source created by them. Here is an example:

Ubuntu KVM OpenGL

On Ubuntu 20.04

Setup

This acceleration can be use only locally. You have to disable the spice server first.

Then you can start your VM through graphical console

Ubuntu KVM multiple monitors

On Ubuntu 20.04

Learn From

Link

Steps

Add one more Video QXL

Set Display Spice and open port for example 5907

Start VM without using virt-manager graphical console

Finally, you need to use remote-viewer and open up the guest firewall:

You may try directly remote-view the instance first, if not work, you may add the firewall steps

$ sudo apt-get install firewalld
$ sudo firewall-cmd --permanent --add-service=vdsm
$ sudo firewall-cmd --reload
$ remote-viewer spice://localhost:5907

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2021年11月26日星期五

Reference

Cheat sheet

2021年9月5日星期日

2021年6月18日星期五

2021年3月27日星期六

How to use vcpkg with CMake

Steps

2020年11月15日星期日

.gitconfig

location

.gitconfig

2020年11月6日星期五

Aim

Learn from

Examples - use default modules

ALSA library

2020年10月23日星期五

Ubuntu 20.04

Install and use (Basic)

If not working

Change close lip behavior

2020年10月3日星期六

Aim

Learn from

Steps

On Ubuntu 20.04

On Ubuntu 20.04

Setup

On Ubuntu 20.04

Learn From

Steps

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