findepi

#bash

set -euo pipefail

sleep_before_reruns_seconds=$[10 * 60]

while true; do
    slept=false
    for pr_link in $(gh pr list --search 'author:@me' --limit 999 --json 'url' --jq '.[].url'); do
        echo "checking PR ${pr_link}"

findepi

# store as docky/Dockerfile to match references in the other script

FROM ubuntu:latest

RUN true && \
        export DEBIAN_FRONTEND=noninteractive && \
        apt-get update && \
        apt-get install -y openssl && \
        apt-get clean && \
        echo OK

findepi

quick build

./gradlew -x test -x integrationTest build

full build, like mvn install

By default only modules for one Spark/Flink/Scala versions are built. To get the full build, component versions need to be enumerated.

findepi

mvn clean release:clean && mvn release:prepare

# `env GPG_TTY=$(tty)` may help with some sort of GPG problems
mvn release:perform

findepi

1. Intellij Preferences > Live Templates > group other
2. Add a new one with
   • abbreviation rnn
   • Description requireNonNull
   • Template text java.util.Objects.requireNonNull($var$, "$var$ is null")
   • Applicable contexts: Java > Expression
   • check use static imports if possible

• Edit variables button and there add var variable with variableOfType("Object") expression

findepi

Certificates

CA and trust keystore

keytool -genkeypair -keyalg RSA -keysize 2048 -validity 365 -alias ca -dname "CN=ca,O=HMS,S=SE" -keystore ca.jks -storepass password
keytool -exportcert -rfc -alias ca -keystore ca.jks -storepass password > ca.pem
cat ca.pem | keytool -importcert -alias ca -noprompt -keystore trust.jks -storepass password

server cert

findepi

# To regenerate the test key and certificates

# Generate an RSA private key and convert it to PKCS8 wraped in PEM
openssl genrsa 2048 | openssl pkcs8 -topk8 -inform pem -outform pem -nocrypt -out rsa.key
# Generate a certificate signing request with the private key
openssl req -new -key rsa.key -out rsa.csr
# Sign request with private key
openssl x509 -req -days 10000 -in rsa.csr -signkey rsa.key -out rsa.crt

findepi

# Here are some JVM args that are extremely useful in production when things go wrong
-XX:+G1SummarizeRSetStats
-XX:G1SummarizeRSetStatsPeriod=10
-XX:+PrintAdaptiveSizePolicy
-XX:+PrintJNIGCStalls
-XX:+PrintReferenceGC
-XX:+PrintGCCause
-XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps
-XX:+PrintGCDetails

findepi

Source: https://gist.github.com/findepi/04c96f0f60dcc95329f569bb0c44a0cd .

quick build

./mvnw -T2C clean install -nsu -DskipTests -Dmaven.javadoc.skip=true -Dmaven.source.skip=true -Dair.check.skip-all=true -pl '!:trino-server-rpm,!:trino-docs,!:trino-proxy,!:trino-verifier,!:trino-benchto-benchmarks'

run Trino in a container, quickly

docker rm -f trino; docker run --rm -it --name trino -p 8080:8080 trinodb/trino:438

findepi

/*
 * Class timetable as rendered in the Librus Synergia system https://synergia.librus.pl/
 */

(function($) {

    // przerwy
    $('.plan-lekcji tr.line0').remove()

    // sobota, niedziela oraz nr lekcji z prawej strony