Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Installation
apt-get install sbt
pip3 install py4jdbc
Developing GUI Applications Using Qt5
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Installation on Ubuntu
wajig install qt5-default
Crop an Image in Qt
https://stackoverflow.com/questions/7010611/how-can-i-crop-an-image-in-qt
References
https://wiki.qt.io/Install_Qt_5_on_Ubuntu
Tips on ANTLR4
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Install ANTLR4 in Ubuntu
wajig install antlr4
sudo pip3 install antlr4-python3-runtime==4.5
References
Tips on Maven
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
$HOME/.m2
maven: shade plugin, scala compile plugin, exclude manifest files, ...
import as maven project ...
find an updated version of scala archetype for maven
mvn package
mvn clean …Connect to MySQL Using PyMySQL
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
sudo pip3 install PyMySQL
Tricks
-
Connection in PyMySQL is not autocommit by default. You must commit to save your changes.
# suppose conn is the connection object conn.commit() -
parameterized sql: %s …
Tips on sbt Assembly
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Add sbt-assembly as a dependency in project/assembly.sbt:
addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.5")