dacr/index.md

## index.md

      
        
                
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    David's programming examples knowledge base

Generated by code-examples-manager release 2.4.1-SNAPSHOT
522 published examples

akka-pekko

akka-actors-hello-world.sc : Simple akka hello world example
akka-capitalize-and-print.sc : dump capitalized string coming from stdin using streams
akka-http-client-json-stream.sc : Fully asynchronous http client call with json streamed response using akka-http will work in all cases, even with chunked responses !
akka-http-client-json-with-proxy.sc : Fully asynchronous http client call with json response using akka-http will work in all cases, even with chunked responses, this example add automatic http proxy support.
akka-http-client-json.sc : Fully asynchronous http client call with json response using akka-http will work in all cases, even with chunked responses !
akka-http-client-simple-with-proxy.sc : Fully asynchronous http client call using akka-http will work in all cases, even with chunked responses, this example add automatic http proxy support.
akka-http-client-simple.sc : Fully asynchronous http client call using akka-http will work in all cases, even with chunked responses !
akka-http-client-websocket-hello-world.sc : playing with websockets using akka-http
akka-http-client-websocket-typed-actor-graph.sc : Dump incoming websockets content
akka-http-server-static-files-with-shutdown.sc : Simplest static resources http server example using akka-http framework with shutdown support and root redirect.
akka-http-server-static-files.sc : Simplest static resources http server example using akka-http framework.
akka-http-server-websocket-counter.sc : akka websocket counter service, just increment a counter every second for each connected client
akka-http-server-websocket-echo.sc : akka websocket echo service
akka-typed-actors-hello-world.sc : Playing with akka-typed
akka-wscat-stream.sc : Send stdin lines to websocket and dump (asynchronously) everything coming from the websocket to stdout stream implementation
akka-wscat.sc : Send stdin lines to websocket and dump (asynchronously) everything coming from the websocket to stdout
pekko-actors-hello-world.sc : Simple pekko hello world example
pekko-http-server-websocket-counter.sc : pekko websocket counter service, just increment a counter every second for each connected client
pekko-http-server-websocket-echo.sc : pekko websocket echo service
pekko-typed-actors-hello-world.sc : Playing with pekko-typed
pekko-wscat-stream.sc : Send stdin lines to websocket and dump (asynchronously) everything coming from the websocket to stdout stream implementation using pekko-stream
pekko-wscat.sc : Send stdin lines to websocket and dump (asynchronously) everything coming from the websocket to stdout using pekko

algos

algo-bfs.sc : Playing with Breadth first search (bfs) algorithm.
algo-coordinates-encoding.sc : encode (x,y) coordinates in a single int
algo-coordinates-hexagons-grids.sc : hexagons and grids coordinates conversions
algo-dfs.sc : Playing with depth first search (dfs) algorithm.
algo-geo-conversions.sc : geo conversions
algo-graph-paths.sc : Walk through possible paths within a simple bidirectional graph with potentially revisitable vertex
algo-kadane.sc : Maximum subarray problem
algo-paths-to-tree.sc : convert a list of paths into a tree
algo-solution-brute-force.sc : all possible solutions generator, can be used to brute force passwords, hashes, ...
algo-solutions-combinations-list.sc : given a list of entities and goals find all possible goals/entities associations where a goal can only be used once
algo-trees.sc : Playing with trees and distances between nodes
algo-vector4-encoding.sc : encode/decode 4 component vector into an integer
num-perms.sc : integer permutations up to a given value

apps

README-apps.md : Standalone launchers for various applications
amm.sh : ammonite launcher shell script
cem.sc : code examples manager application launcher script
cem.sh : code examples manager application launcher shell script
counters.sc : counters web service launcher script
counters.sh : counters web service launcher shell script
lorem-alt.sc : lorem ipsum generator web service
lorem-lib.sc : lorem ipsum generator
lorem.sc : lorem-ipsum web service launcher script
lorem.sh : lorem-ipsum web service launcher shell script
primes.sc : primes web service launcher script
primes.sh : primes web service launcher shell script
spy.sc : spy web service launcher script
spy.sh : spy web service launcher shell script
web-echo.sc : web-echo web service launcher script
web-echo.sh : web-echo web service launcher shell script

artificial-intelligence/djl

djl-README.md : Notes about Java Deep Learning (DJL)
djl-image-classification.sc : image classification try
djl-models-list.sc : take a look into models zoo
djl-object-detection.sc : Things (objects, people, animals) detection using DJL
djl-tutorial-01.sc : Playing with Java Deep Learning (DJL), tutorial-01
djl-tutorial-02.sc : Playing with Java Deep Learning (DJL), tutorial-02
djl-tutorial-03.sc : Playing with Java Deep Learning (DJL), tutorial-03
djl-tutorial-full.sc : Playing with Java Deep Learning (DJL), tutorial-02 & tutorial-03 combined to a standalone executable script

artificial-intelligence/drools

drools-backward-simple.sc : Simple drools backward chaining example.
drools-basics-json.sc : Basic drools json usage examples through unit test cases.
drools-basics.sc : Basic drools usage examples through unit test cases.
drools-equality.sc : Drools equality behavior and customization thanks to the key annotation.
drools-hello-world-revisited.sc : Drools Hello world revisited
drools-hello-world-small.sc : Drools Hello world smallest
drools-hello-world.sc : Drools Hello world
drools-insertLogical-aggregate-expires.sc : Understanding insertLogical, aggregates in the context of drools events reasoning, keeping up to date a computed value
drools-interactions-enhanced.sc : Drools web based user enhanced interactions with a performance diagnostic knowledge base
drools-interactions-gatling.sc : drools interactions performance test script
drools-interactions.sc : Drools web based user interactions with a performance diagnostic knowledge base
drools-kb-advanced-understanding.sc : Drools advanced understanding rules knowledge base
drools-kb-banking-advanced.sc : Enhanced drools example banking application wired to a kafka topic
drools-kb-banking-events-stream-generator.sc : Start an embedded kafka and provide simple way to generate simple banking events
drools-kb-banking-skeleton.sc : Drools banking skeleton application wired to a kafka topic
drools-kb-banking.sc : Drools banking example application wired to a kafka topic
drools-kb-doctor.sc : Drools doctor knowledge base
drools-kb-errors-management.sc : Drools knowledge base error management
drools-kb-events-understanding.sc : Drools understanding events base knowledge base
drools-kb-family.sc : Drools family knowledge base
drools-kb-forever-loop-on-modify.sc : Drools rules loop knowledge base
drools-kb-forever-loop.sc : Drools forever loop knowledge base
drools-kb-official-examples-games.sc : Drools official examples launcher examples
drools-kb-official-examples-simple-with-pauses.sc : Drools step by step FireKB example
drools-kb-official-examples-simple.sc : Drools official minimalist FireKB example
drools-kb-official-examples.sc : Drools official examples unit tests, it list all example knowledge base names
drools-kb-pets.sc : Drools pet knowledge base
drools-kb-reasoning-forward-chaining-enhanced.sc : Drools forward enhanced chaining example knowledge base with roots from wikipedia definition example
drools-kb-reasoning-forward-chaining.sc : Drools forward chaining example knowledge base with roots from wikipedia definition example
drools-kb-understanding-constraints-limitations.sc : Drools constraints analysis
drools-kb-understanding.sc : Drools understanding rules knowledge base
drools-parsing-issues.sc : Drools parsing issues
drools-persistence.sc : Learn to use drools working memory persistence to disk.
drools-spark-hello-world.sc : Drools spark hello world knowledge base
drools-with-case-classes.sc : Drools ammonite case class support ?

artificial-intelligence/drools/just-kbs

kb-doctor.drl : A simplified doctor knowledge base.

artificial-intelligence/smile

README-smile.md : Notes about Smile - Statistical Machine Intelligence and Learning Engine
cal_housing.sc : Playing with smile and california housing dataset
iris.sc : Playing with smile and iris dataset
smile-repl.sh : SMILE scala-cli REPL startup script
visualization-swing-hist.sc : smile visualization histograms
visualization-swing-linechart.sc : smile visualization line charts
visualization-swing-qqplot.sc : smile visualization qqplot
visualization-swing-scatter.sc : smile scatter swing visualization
visualization-vega-scatter.sc : smile scatter vega visualization

cem

cemtool.sc : CEM tool - code examples content and execution results sent to a search engine, opensearch or elasticsearch

cem/cem-design-steps

learn-gists-api-1-list.sc : List a user github gists using sttp for client http and circe for json processing.
learn-gists-api-2-list-json4s.sc : List a user github gists using sttp for client http and json4s for json processing.
learn-gists-api-3-oauth-list.sc : List a user github gists using sttp for client http API.
learn-gists-api-4-oauth-list-link-advanced.sc : List a user github gists using sttp for client http and circe for json processing with authentication.
learn-gists-api-5-oauth-list-link-json4s.sc : Various operations on gists using sttp for client http and json4s for json processing with authentication.
poc-1-examples-manager.sc : Publish code examples to remote repositories solutions (DEPRECATED see https://github.com/dacr/code-examples-manager).
poc-2-gists-manage.sc : Publish code sample as github gist (DEPRECATED see https://github.com/dacr/code-examples-manager).

cem/cem-tests

cem-github-gist-test-4.md : testing github gist cem #1
cem-github-gist-test-new-1.md : testing github gist cem new #1

cem/cem-tests/cem-multifiles-1

Makefile : testing1 multi-files cem

cem/cem-tests/cem-multifiles-2

README.md : testing2 multi-files cem

cem/elk

cem-elk-1-start.sh : start an elasticsearch through docker
cem-elk-10-feed.sc : feed elasticsearch with code examples content, generates ready to insert json files with feeding scripts
cem-elk-20-synonyms.txt : synonyms file for elasticsearch synonym filter
cem-elk-50-search.sh : search for code examples using elasticsearch simple query language
cem-elk-99-dev-console.elk : example based elasticsearch training lab content for use within kibana developer console

cheat-sheets

bash.md : bash cheat sheet
curl.md : curl cheat sheet
elasticsearch-opendistro-public.md : elasticsearch and opendistro public cheat sheet
git.md : git cheat sheet
graphql.md : graphql cheat sheet
i3.md : i3 cheat sheet
journald.md : journald cheat sheet
jq.md : jq cheat sheet
jvm.md : jvm cheat sheet
kafka-public.md : kafka public cheat sheet
linux-debian.md : debian cheat sheet
linux-nixos.md : nixos cheat sheet
linux.md : linux cheat sheet
mvn.md : maven cheat sheet
nc.md : netcat cheat sheet
nginx.md : nginx cheat sheet
ocaml.md : ocaml cheat sheet
pdf.md : pdf cheat sheet
raspberry-pi.md : raspberry PI cheat sheet
scala.md : scala cheat sheet
sed.md : sed cheat sheet
ssh.md : ssh cheat sheet
ssl.md : ssl cheat sheet
tcpdump.md : tcpdump cheat sheet

codecs-serdes-hashes-ids

b64uuid.sc : encode/decode base64 based UUID
base64.sc : encode/decode base64 with charset management
hashes.sc : Various programmatic hashes.
object-persistence.sc : Using standard java object persistence mechanism.
uuids.sc : Universally unique identifiers using standard and JUG APIs

config

config-typesafe.sc : Configuration using Typesafe Config

data

data-fake.sc : Using java faker to generate good looking information
data-updates-using-quick-lens.sc : deep case/data class changes
opendata-postalcodes-2.sc : postal code opendata data sources.
opendata-postalcodes.sc : First try with open-data data sources with ssl certificate hacks

doodle

vectorgraphics-doodle-animate-example.sc : Trying to animate vector graphics using doodle library.
vectorgraphics-doodle-basics.sc : Playing basics vector graphics using doodle library.
vectorgraphics-doodle-circles-2.sc : Drawing again circles using doodle library.
vectorgraphics-doodle-circles.sc : Drawing circles using doodle library.
vectorgraphics-doodle-example-interact.sc : Drawing interactions
vectorgraphics-doodle-examples.sc : Drawing embedded examples using doodle library.
vectorgraphics-doodle-labyrinth.sc : Drawing a labyrinth using doodle library.
vectorgraphics-doodle-photos-mosaic.sc : Draws several photos
vectorgraphics-doodle-simplest.sc : Smallest doodle example.

fdj

euromillions-random-generator.sc : generate a random euromillions play
euromillions-random-org-generator.sc : generate a random euromillions play using random.org random generator
loto-random-generator.sc : generate a random loto play
loto-random-org-generator.sc : generate a random loto play using random.org random generator

functional

functors.sc : playing with functors
monads.sc : Playing with monads

git-stuff

git-api-dealing-with-local-repo.sc : JGIT operations - get number of changes for a given file

graph

scala-graph-1.sc : Playing with scala-graph API

graphql

github-gists-list.graphql : get current user github snippets
github-me.graphql : get current user github information
gitlab-me.graphql : get current user gitlab information
gitlab-snippets-list.graphql : get current user gitlab snippets

http

http-client-http4s-simple-1.sc : Simplest http4s http client library example
http-client-java-only.sc : http client using modern java default API
http-client-requests-simple.sc : http client using requests API
http-client-sttp-basics.sc : Simplest sttp http client library basic usage examples.
http-client-sttp-json-simple-akkahttp.sc : Simplest sttp http client library json example using akkahttp backend.
http-client-sttp-json-simple.sc : Simplest sttp http client library json example.
http-client-sttp-simple.sc : Simplest sttp http client library example.
http-web-linking.sc : lazy generic http web linking
wscat.sc : Simple websocket example

io

file-path-tools.sc : Various file and path helper functions
filesio-betterfiles-basics.sc : Using scala betterfiles API to simplify operations with files.
filesio-default-basics.sc : Using scala default API for operations with files.

issues/scala-cli

Issue533UsingLibForJava.java : scala cli - hello world in java with using lib directive
issue-532-example-ko.sc : scala-cli issue with execution context
issue-532-example-ok.sc : scala-cli no issue with execution context when object encapsulation is used
scala-cli-dependencies-1.sc : scala cli - trying to get test artifacts

issues/zio

issue-7301-example-ko.sc : zio-streams ZStream collectZIO stucked forever #7301 ?
issue-7301-example-ok.sc : zio-streams ZStream collectZIO stucked forever #7301 ? the ok case replacing collectZIO with mapZIO
zio-json-644-bigdecimal.sc : zio-json - dealing with bigdecimal representation

javafx

ui-javafx-canvas.sc : Playing with the canvas of javafx library to display photo and render stuff over it
ui-javafx-imageview.sc : A photo viewer proof of concept using imageview of javafx library

json

json-borer.sc : borer scala json API cookbook as unit test cases.
json-circe.sc : Circe scala json API cookbook as unit test cases.
json-genson.sc : genson java json API cookbook as unit test cases.
json-jawn.sc : typelevel jawn scala json API cookbook as unit test cases.
json-json4s.sc : Json4s scala json API cookbook as unit test cases.
json-upickle.sc : upickle scala json API cookbook as unit test cases.

julia

hello-world.jl : hello world julia script
logging.jl : logging with julia
testing-unittests-1.jl : julia unit testing
testing-unittests-2.jl : julia enhanced unit testing
uuidgen.jl : julia uuid generator

kafka

kafka-client-simple-consumer.sc : Kafka simple usage using java API
kafka-embedded-features.sc : Kafka features test using embedded kafka.
kafka-embedded-hello.sc : Hello world embedded kafka test script using scalatest-embedded-kafka.
kafka-raspberrypi-publish-temperatures.sc : publish raspberry pi 1-wire DS18B20 temperature sensors to a remote secured kafka
kafka-stream-simple.sc : simple kafka stream example

logging

logging-basics.sc : logging basic instructions just for copy and paste purposes
logging-enhancement-experiment.sc : Experimenting scala logging approach.
logging-generator-application-logs.sc : Application random logs generator, with multi-line entries
logging-testing.sc : Playing/testing with logback configuration.
logging-tips.sc : logging tips with log4j2 and slf4j
reference-conf-logback.xml : simple logback logging configuration

maths

math-beal-conjecture.sc : Beal conjecture / conjecture de Beal.
math-benford-law-1.sc : Benford law experiments
math-collatz-conjecture.sc : Collatz conjecture / conjecture de syracuse.
math-combs-perms-and-co.sc : permutations combinations and co
math-computes-with-same-number.sc : Numbers which can be computed with the same figure
math-e.sc : compute exponential e high precision value
math-fact.sc : almost no size limit fact compute
math-fibonacci.sc : compute fibonacci number
math-gaussian-functions.sc : gaussian simple function drawn using breeze
math-lcm-gcd.sc : lcm and gcd
math-logistic-map-1.sc : the logistic map / La suite logistique
math-logistic-map-2.sc : the logistic map - bifurcation diagram / La suite logistique - diagramme de bifurcation
math-pi-plouffe.sc : compute a high precision value of pi
simu-monty-hall-paradox.sc : Monty Hall paradox simulation (probability puzzle)

medias

metadata-extractor-commons-imaging.sc : meta data extractor using commons-imaging
metadata-extractor-drewnoakes.sc : meta data extractor using metadata-extractor
photos-check.sc : Photos check coherency - When you have ~80000 photos/videos tooling is mandatory
photos-from-elastic-to-lmdb.sc : Photos manager - extract photo records from elasticsearch/opensearch to lmdb
photos-to-video.sc : Make videos from photos coming from several cameras, one video by camera and by day  - WORK IN PROGRESS
photos-update-records.sc : Photos manager - update photo document field within elasticsearch
photos.sc : Photos indexation proof of concept using ZIO, opensearch and deep-java-learning - When you have ~89000 photos/videos tooling is mandatory

medias/photos

photos-model.sc : Photos model experiments - When you have ~89000 photos/videos tooling is mandatory

network

dns.sc : playing with dnsjava api
host.sc : resolve host name
my-ips.sc : get my local IPs and my remote IPs
netio-remote-check.sc : Testing if a remote http server is reachable.

ocaml

hello.ml : ocaml first example script

plotting

breeze-repl.sh : BREEZE scala-cli REPL startup script
breeze-simple-1.sc : first example with the breeze data visualization
breeze-simple-2.sc : breeze visualization example
nspl-repl.sh : NSPL scala-cli REPL startup script
nspl-simple.sc : first example with a new scala plotting library (nspl)
plotly-multiplots.sc : Playing with plotly through plotly-scala - multiplots
plotly-repl.sh : PLOTLY scala-cli REPL startup script
plotly-simple-timeseries-multiY.sc : Playing time series and multiple Y axis with plotly through plotly-scala.
plotly-simple-timeseries.sc : Playing time series with plotly through plotly-scala.
plotly-simple.sc : Playing with plotly through plotly-scala.
smile-simple-1.sc : plotting with smile

problems

nqueens.scala : nqueens problems

python

cem-word-cloud.py : display examples keywords frequency cloud tags graph
tcp-port-check.py : just check if a network tcp port is accessible

rabbitmq

rabbitmq-learning.sc : learning rabbitmq through java api.

random

rng-basic-fast-random.sc : Compare homogeneity of some simple custom random generators using doodle (increase XSS !!)
rng-random-org.sc : using random.org random generator to generate true random number
rng-simple-evaluation.sc : Evaluating random generators using compression algorithm : less compressed meaning better random generator ?
simu-random-variations-behavior.sc : plotting random series variations as an attempt to illustrate mandelbrot (un)wild chance

repos

ammonite-add-external-repository.sc : Customize ammonite repositories.

scala-java-kb

JavaFeatureExceptionCheckedUnchecked.java : java feature - checked versus unchecked exceptions
ScalaCLIHelloJava.java : scala cli - hello world in java
binary-operations.sc : various binary operations (cheat sheet)
collection-operations.sc : Collection operations
java-futures.sc : java futures
java-scripting.jsh : java hello world script
java-time.sc : java8 time api usage examples.
regex-operations.sc : Advanced operations on strings with regular expressions
sbt-metadata-tracing.sbt : Generate build medata data and inject them into the packaging process as properties file
scala-autoclose.sc : Auto close/dispose resource
scala-basics-async.sc : scala asynchronous operations
scala-basics.sc : scala language
scala-cli-hello-0.sc : scala cli - hello world - run context as code
scala-cli-hello-1.sc : scala cli - http hello world - run context as code
scala-cli-hello-2.sc : scala cli - hello world - run context as command line parameters
scala-cli-hello-3.sc : scala cli - hello world using ZIO
scala-cli-js-hello-1.sc : scala cli - hello world from nodejs
scala-cli-js-hello-2.sc : scala cli - hello world from nodejs with dependencies
scala-cli-native-hello-1.sc : scala cli - native hello world
scala-erasures.sc : Type erasure and solutions to avoid it - work in progress
scala-feature-algebric-data-types.sc : scala algebric data types
scala-feature-chaining.sc : Using scala new chaining capabilities
scala-feature-classtag.sc : Obtain the class type of a generic type at runtime
scala-feature-fold.sc : fold feature (instead of matching) to simplify code
scala-feature-identity.sc : the identity function
scala-feature-implicit-class.sc : implicit class scala feature.
scala-feature-instantiate-through-lambda.sc : instantiate automatically a trait or an abstract using a lambda
scala-feature-lift.sc : lift/unlift scala feature
scala-feature-partial-function.sc : partial function scala feature
scala-feature-smart-constructor-with-value-class.sc : scala smart constructor with value classes
scala-feature-smart-constructor.sc : scala smart constructor
scala-feature-type-classes.sc : scala type class
scala-feature-value-class.sc : value class scala feature
scala-howlong.sc : Simple operations duration tools.
scala-lambdas.sc : lambdas variations in scala
scala-list-resources.sc : scala list available resources.
scalafmt-basic.conf : david crosson scalafmt configuration file to auto format scala code
string-operations.sc : Advanced operations on strings
xml-basics.sc : simple scala xml operations

scala-java-kb/scala3

scala3-feature-anonymous-class-inference.scala : scala3 feature examples - anonymous class inference
scala3-feature-enums-typed.scala : scala3 feature examples - tree as typed enums
scala3-feature-enums.scala : scala3 feature examples - enums
scala3-feature-explicit-nulls.scala : scala3 feature examples - explicit nulls
scala3-feature-exports.scala : scala3 feature examples - export
scala3-feature-extension-methods.scala : scala3 feature examples - using extension methods
scala3-feature-indentation.scala : scala3 feature examples - indentations
scala3-feature-inline.scala : scala3 feature examples - inline
scala3-feature-literal-types.scala : scala3 feature examples - literal types
scala3-feature-main.scala : scala3 feature examples - main functions with basic arguments parsing
scala3-feature-opaque-types.scala : scala3 feature examples - opaque types
scala3-feature-optional-control-syntax.scala : scala3 feature examples - optional control syntax
scala3-feature-parameter-untupling.scala : scala3 feature examples - parameter untupling
scala3-feature-trait-parameters.scala : scala3 feature examples - trait parameters
scala3-feature-transparent-traits.scala : scala3 feature examples - transparent traits
scala3-feature-vararg-splices.scala : scala3 feature examples - vararg splices
scala3-helloworld.scala : scala3 feature examples - hello world
scala3-macro-basic.sc : scala3 macro examples - basic

scala-libs/chimney

chimney-basic-2.sc : chimney simple usage example
chimney-basic.sc : chimney simplest usage example

search

elasticsearch-demo-1-startup-minimal.sc : Elasticsearch minimal startup for test, experiences, proof of concept purposes.
elasticsearch-demo-1-startup.sc : Elasticsearch startup for test, experiences, proof of concept purposes.
elasticsearch-demo-2-basictests-embedded-mode.sc : Basic elastic4s (scala API for elasticsearch) tests using elasticsearch-cluster-runner in cluster mode
elasticsearch-demo-3-fill-with-spark.sc : Feed elasticsearch with almost 20 years of chicago crimes (using spark).
elasticsearch-demo-3-fill.sc : Feed elasticsearch with almost 20 years of chicago crimes.
elasticsearch-demo-cluster-1-startup.sc : Elasticsearch cluster startup for test, experiences, proof of concept purposes.
elasticsearch-demo-cluster-3-fill-cluster.sc : Feed elasticsearch cluster with almost 20 years of chicago crimes.
elasticsearch-demo-tests.sc : Basic elastic4s (scala API for elasticsearch) tests using elasticsearch-cluster-runner.
elasticsearch-stock-timeseries-generator.sc : Generate stock time series
search-crud-operations.sc : elasticsearch / opensearch basic read, update, insert, delete operations

security

basic-auth-token.sc : small scala function to generate a basic authentication Authentication token
basic-auth-token.sh : small shell function to generate a basic authentication Authentication token
jwt-token-pubprivkey.sc : decode/encode/validate JWT token with public key
jwt-token-secretkey.sc : decode/encode/validate JWT token with secret key

skija

vectorgraphics-skija-basics.sc : Playing skija library.

spark

spark-csv-load.sc : Load and process CSV content using spark.
spark-hello.sc : spark hello world.

stocks

ca-csv-processings-simple-1.sc : Simple stock processing to compute global earnings and stock palmares
ca-csv-to-json-stock.sc : Converting CA stock operations histories into JSON
stock-get-from-boursorama.sc : Extract stock data fro boursorama
tmbom-dji-1-download.sc : Download DJI historical data - The (mis) behavior of markets : A fractal view of Risk, Ruin and Reward - Benoît Mandelbrot
tmbom-dji-2-process.sc : Visualize DJI historical data - The (mis) behavior of markets : A fractal view of Risk, Ruin and Reward - Benoît Mandelbrot

storage/arangodb

NOTES-arangodb.md : basic thing to know about arangodb and graphql
arangodb-javadriver-basics-1.sc : playing with arangodb using java driver and genson serdes
arangodb-javadriver-basics-2.sc : playing with arangodb using java driver and native serdes
arangodb-javadriver-basics-3.sc : playing with arangodb using java driver and json4s serdes
arangodb-javadriver-graph-basics-1.sc : playing with arangodb graph using java driver and json4s serdes
arangodb-javadriver-learning-as-tests-basics.sc : learning arangodb through java client driver
arangodb-javadriver-learning-as-tests-graphs.sc : learning arangodb graphs features through java client driver
arangodb-javadriver-learning-as-tests-serdes.sc : learning arangodb serialization / deserialization using the java client driver
arangodb-primes-feed.sc : Create arangodb primes number dataset
arangodb-primes-queries.sc : arangodb primes number queries
arangodb-proteus-basics.sc : playing with arangodb using scarango client library

storage/neo4j

neo4j-cypher-raw-hello.sc : neo4j cypher queries - simple embedded test example
neo4j-cypher-test-dsl-hello.sc : neo4j cypher dsl queries - simple embedded test example with test framework
neo4j-cypher-test-raw-hello.sc : neo4j cypher queries - simple embedded test example with test framework

systemd

alive-teller.service : simple alive service based on systemd (service part)
alive-teller.timer : simple alive service based on systemd (timer part)
simple.service : Simple way to create a systemd service with a blocking command

tapir

chronos.sc : Chronos API using zio, tapir and zhttp
tapir-auth-basic-hello-1.sc : securing API with tapir - basic auth
tapir-auth-basic-hello-2.sc : securing API with tapir - basic auth - output openapi doc
tapir-vertx-hello-world-1.sc : hello world http server (vertx based) using tapir with swagger documentation
tapir-zio-hello-states.sc : http server keeping a state at server side
tapir-zio-hello-world-1.sc : hello world http server (zhttp zio based) using tapir
tapir-zio-hello-world-2.sc : parameterized hello world http server (zhttp zio based) using tapir
tapir-zio-hello-world-3.sc : hello world http server (zhttp zio based) using tapir with swagger documentation
tapir-zio-hello-world-4.sc : hello world http server (zhttp zio based) using tapir with redoc documentation
tapir-zio-static-files.sc : http server to serve local static files using tapir endpoint and zhttp

testing

gatling-simple.sc : Just ONE ammonite script file to execute a load performance test using gatling !
testing-pi-2.sc : simple scalatest test framework usage.
testing-pi-3.sc : simple scalatest test framework usage with durations.
testing-pi-calculus.sc : Compute PI using montecarlo approach, i.e. using a random generator.
testing-pi.sc : Simplest scalatest test framework usage.
testing-scalacheck-example.sc : simple properties based scalacheck usage example
testing-scalacheck.sc : Properties based testing using scalacheck
testing-scalatest.test.scala : scalatest basics cheat sheet
testing-selenium-with-autoproxy.sc : Playing with scalatest selenium integration to test remote sites with automatic http proxy support.
testing-selenium.sc : Playing with scalatest selenium integration to test remote sites.
testing-stdout.sc : How to test the console output of a function or method ?
testing-with-docker.sc : scala with docker testing using docker-testkit library.

tools

amm-update.sh : Very simple ammonite upgrade script with multiple scala release taken into account
bash-date-formatted.sh : Generates a simple timestamp.
bash-date-iso8601-formatted.sh : Generates an iso8601 timestamp.
bash-printf.sh : bash printf example with float rounding
bash-ssh-gitlab-agent-import-key.sh : ssh agent automatic provisioning using a ssh private key initialized through an environment variable.
bash-uuid.sh : bash uuid
cmdline-parser.sc : command line options parser
curl-post-json.sh : post json using curl
date-iso8601.sc : Simple script to generate an ISO8601 date.
diaporama.sh : photos diaporama
http-alive-wait.sh : wait for a http end point to become available
ssh-client-server-sync.sc : SSH server and client operations both within a single script using apache sshd.
uuid-generator.py : Simple script to generate an UUID using python
uuid-generator.sc : Simple script to generate an UUID.

typelevel/cats-effect

cats-first-try.sc : First use of cats-effect API.
cats-learning-1-hello.sc : hello world with cats-effect
cats-learning-2-example-1-typelevel.sc : cats effect example as shown on dedicated typelevel site

wordle

grammalecte-hunspell.sc : french hunspell from grammalecte

zio

zio-features-cheat-sheet-as-tests.sc : ZIO cheat sheet as tests
zio-repl.sh : ZIO scala-cli REPL startup script
zio-unsaferun-1-default.sc : ZIO default unsafeRun for synchronous effect execution
zio-unsaferun-2-simplified.sc : ZIO simplified unsafeRun suggested by @adamfraser
zio-unsaferun-3-worksheet.sc : ZIO simplified unsafeRun brought by unsafeRun

zio/caliban

zio-learning-graphql-caliban-1.sc : ZIO learning - graphql API

zio/demo-zio-live

live-01.sc : ZIO live session - Hello world
live-02.sc : ZIO live session - Make execution resilient
live-03.sc : ZIO live session - Dealing with long running operation
live-04.sc : ZIO live session - Writing a simple application - legacy versus effect-based
live-05.sc : ZIO live session - Writing a more complex application
live.sh : ZIO live session - simple live demo

zio/zio-cli

zio-learning-cli-1.sc : ZIO learning - zio cli

zio/zio-config

zio-learning-config-1.sc : ZIO learning - application configuration
zio-learning-config-2.sc : ZIO learning - application configuration revisited
zio-learning-config-3.sc : ZIO learning - using standard ZIO config system
zio-learning-config-4.sc : ZIO learning - using standard ZIO config system - documentation
zio-learning-config-5.sc : ZIO learning - using standard ZIO config system with external provider

zio/zio-core

zio-learning-1-hello-0.sc : ZIO learning - hello world first
zio-learning-1-hello-1.sc : ZIO learning - hello world shortest
zio-learning-1-hello-2.sc : ZIO learning - hello world with repeat
zio-learning-1-hello-3.sc : ZIO learning - hello world with for comprehension
zio-learning-1-hello-4.sc : ZIO learning - hello world with for comprehension and zio app
zio-learning-1-hello-5.sc : ZIO learning - hello world using command line arguments
zio-learning-2-app.sc : ZIO learning - program with a return Int value
zio-learning-3-chaining.sc : ZIO learning - assembling a program from smaller parts
zio-learning-4-env-1.sc : ZIO learning - providing a layer to the environment
zio-learning-4-env-2.sc : ZIO learning - composing environments
zio-learning-4-env-3-custom-1.sc : ZIO learning - defining and injecting a custom very basic layer into the environment
zio-learning-4-env-3-custom-2.sc : ZIO learning - defining and injecting a custom config layer into the environment
zio-learning-4-env-3-custom-3.sc : ZIO learning - defining and injecting an effect based custom config layer into the environment
zio-learning-5-exceptions-catchAll.sc : ZIO learning - java unswallowed exception
zio-learning-6-retries.sc : ZIO learning - retrying is possible, very easy and loggable
zio-learning-7-concurrency-1-foreachPar.sc : ZIO learning - fiber based concurrency model - using foreachPar
zio-learning-7-concurrency-2-forkjoin.sc : ZIO learning - fiber based concurrency model - using fork and join
zio-learning-7-concurrency-3-race.sc : ZIO learning - race to get the fastest response and immediately stop others
zio-learning-7-concurrency-4-timeout.sc : ZIO learning - operations timeout with fibonacci compute
zio-learning-8-resource-0-ensuring.sc : ZIO learning - ensuring finalization is run
zio-learning-8-resource-1-acquire-release-with.sc : ZIO learning - managed resource using acquireReleaseWith approach
zio-learning-8-resource-2-acquire-release-attempt-with.sc : ZIO learning - managed resource using acquireReleaseAttemptWith approach
zio-learning-8-resource-3-acquires-zip.sc : ZIO learning - using several managed resource
zio-learning-9-random.sc : ZIO learning - return distinct random numbers
zio-learning-10-sleep.sc : ZIO learning - virtual sleeping
zio-learning-11-clock.sc : ZIO learning - clock
zio-learning-12-clock-testing.sc : ZIO learning - testing
zio-learning-13-game-guess-number-testing.sc : ZIO learning - guess number game tests
zio-learning-13-game-guess-number.sc : ZIO learning - guess number game
zio-learning-14-service-1.sc : ZIO learning - providing custom service through environments
zio-learning-14-service-2.sc : ZIO learning - an authentication service
zio-learning-14-service-3.sc : ZIO learning - an enhanced authentication service using a http service
zio-learning-14-service-4.sc : ZIO learning - an enhanced authentication service with http service used multiple times
zio-learning-15-massive-scalability.sc : ZIO learning - massive scalability thanks to fibers a very dangerous silly example
zio-learning-16-garbage-collected-fibers.sc : ZIO learning - garbage collected fibers
zio-learning-18-shared-state-ref.sc : ZIO learning - atomic update like operations
zio-learning-19-shared-state-refm.sc : ZIO learning - effectfully atomic update like operations
zio-learning-20-fibers-communication-with-promise.sc : ZIO learning - promise allow one fiber to communicate with an other one
zio-learning-21-back-pressured-queue.sc : ZIO learning - implementing a backpressure queue
zio-learning-22-transactions.sc : ZIO learning - transactions
zio-learning-23-aspects.sc : ZIO learning - zio aspects
zio-learning-26-structured-services-1.sc : ZIO learning - structured services - the basic pattern
zio-learning-26-structured-services-2-horizontal-composition.sc : ZIO learning - structured services - horizontal composition
zio-learning-26-structured-services-3-vertical-composition.sc : ZIO learning - structured services - vertical composition
zio-learning-27-blocking.sc : ZIO learning - dealing with blocking operations => Nothing more to do from ZIO2 ?
zio-learning-28-operations-1.sc : ZIO learning - using a counter to monitor logic behavior
zio-learning-29-chunks-1.sc : ZIO learning - using chunks
zio-learning-30-cached-1.sc : ZIO learning - using cached
zio-learning-30-cached-2-ttl-invalidate.sc : ZIO learning - using cached ttl and explicit invalidation
zio-learning-30-cached-3-renew.sc : ZIO learning - using cached with renew automatically
zio-learning-30-cached-4-renew-effect.sc : ZIO learning - using cached with renew automatically the underlying effect ?
zio-learning-31-layers-1.sc : ZIO learning - quick layer definition

zio/zio-http

zio-learning-zhttp-client-1.sc : ZIO learning - zhttp - simplest http client
zio-learning-zhttp-client-2.sc : ZIO learning - zhttp - simplest https client
zio-learning-zhttp-server-1.sc : ZIO learning - zhttp - simplest http server
zio-learning-zhttp-server-2.sc : ZIO learning - zhttp - playing with http server

zio/zio-json

zio-learning-json-1-hello.sc : ZIO learning - learning&testing zio-json features
zio-learning-json-2-cheat-sheet.sc : ZIO learning - playing with json - zio-json cheat sheet
zio-learning-json-3-derives-new-codecs.sc : ZIO learning - playing with json writing custom encoder/decoder
zio-learning-json-4-custom-codec.sc : ZIO learning - custom encoding/decoding
zio-learning-json-5-opaque-types.sc : ZIO learning - playing with opaque types and zio-json

zio/zio-lmdb

zio-lmdb-basic-scala2.sc : ZIO LMDB simple example for scala-2
zio-lmdb-basic.sc : ZIO LMDB simple example
zio-lmdb-feed-postal-codes.sc : ZIO LMDB feeding with french town postal codes
zio-lmdb-with-config.sc : ZIO LMDB simple example using configuration provider

zio/zio-logging

zio-learning-logging-0-hello.sc : ZIO learning - using zio logging
zio-learning-logging-1-hello-logback.sc : ZIO learning - using zio logging with logback
zio-learning-logging-2-hello-log4j.sc : ZIO learning - using zio logging with log4j2
zio-learning-logging-3-features-with-log4j2.sc : ZIO learning - using zio logging great features with log4j2
zio-learning-logging-3-features-with-logback.sc : ZIO learning - using zio logging great features with logback
zio-learning-logging-3-features.sc : ZIO learning - using zio logging great features
zio-learning-logging-4-example.sc : ZIO learning - testing slf4j logging bridge

zio/zio-nio

zio-learning-nio-1-file-write.sc : ZIO learning - playing with nio - write to file
zio-learning-nio-2-file-read-1-lines.sc : ZIO learning - playing with nio - read lines from file
zio-learning-nio-2-file-read-2-chunks.sc : ZIO learning - playing with nio - read content from file
zio-learning-nio-3-file-list.sc : ZIO learning - playing with nio - list files
zio-learning-nio-4-file-find.sc : ZIO learning - playing with nio - find files using glob

zio/zio-process

zio-learning-process-1-hello.sc : ZIO learning - dealing with command and processes
zio-learning-process-2-kill.sc : ZIO learning - interrupting a sub command & its process
zio-learning-process-3-timeout.sc : ZIO learning - timeout on sub command process
zio-learning-process-4-race.sc : ZIO learning - race several sub-command processes

zio/zio-schema

zio-learning-schema-caseclass.sc : ZIO learning - learning&testing zio-schemas features

zio/zio-streams

zio-learning-streams-1-random-numbers.sc : ZIO learning - playing with streams - stream of random longs coming from linux secured rng
zio-learning-streams-2-grep.sc : ZIO learning - playing with streams - stream based grep implementation
zio-learning-streams-3-ls.sc : ZIO learning - playing with streams - files list
zio-learning-streams-4-find.sc : ZIO learning - playing with streams - find files

zio/zio-sttp

zio-learning-sttp-client-basic-1.sc : ZIO learning - Simplest http client using sttp
zio-learning-sttp-client-basic-2.sc : ZIO learning - scoped http client
zio-learning-sttp-client-basic-3.sc : ZIO learning - http client using sttp with retries
zio-learning-sttp-client-basic-4.sc : ZIO learning - http client using asynchronous sttp http client
zio-learning-sttp-client-basic-5.sc : ZIO learning - http client using synchronous sttp - shortest usage
zio-learning-sttp-client-json-circe-1.sc : ZIO learning - playing with sttp async http client and circe json
zio-learning-sttp-client-json-circe-2.sc : ZIO learning - playing with sttp async http client and circe json with complex data types
zio-learning-sttp-client-json-zio-1.sc : ZIO learning - playing with sttp async http client and zio json
zio-learning-sttp-client-json-zio-2.sc : ZIO learning - playing with sttp async http client and zio json with complex data types
zio-learning-sttp-client-proxy.sc : ZIO learning - http client using synchronous sttp with proxy support

zio/zio-test

zio-test-cheat-sheet.sc : ZIO learning - zio tests cheat sheet as tests
zio-test-filtering.sc : ZIO learning - zio tests filtering
zio-test-properties-based-testing-scalacheck.sc : ZIO learning - zio properties with scalacheck generator based tests cheat sheet as tests
zio-test-properties-based-testing.sc : ZIO learning - zio properties based tests cheat sheet as tests