m

child/info/thematical/algo/books.txt

@@ -13,13 +13,14 @@ KulikovPevzner - Learning Algorithms Through Programming and Puzzle Solving
     ! samples in c and algo-lang
 2016
 BabenkoLevin - Algorithms and Data Structures Theory Introduction ru
+    https://books.google.by/books?id=wHIUEAAAQBAJ
     https://biblio.mccme.ru/node/52889
     https://chitatel.by/catalog/book/353032
     https://www.labirint.ru/books/623061/
     304EA82C00692AB8E7A59C90A91C7888
     4F0D5D4CFA08E13287629674A2730C7F
     8091CD6FE120FCFBD86CF2D3E5880387
-    ! 145p, mostly theoretical, just 1 code sample
+    !!! 145p, mostly theoretical, just 1 code sample
 2014
 WarrenJr - Hackers Delight 2nd ed ru
     5CA959ABFF14592F627F48CE44A4E453

child/info/thematical/algo/courses.txt

@@ -13,6 +13,9 @@ Nigmatulin - CSC - Algorithms and Data Structures part 2 ru
     https://www.youtube.com/playlist?list=PLlb7e2G7aSpRMDLGXOYutKAsDc6rrIrbl
 Matskevich - MIPT - Algorithms and Data Structures ru
     https://www.youtube.com/playlist?list=PL4_hYwCyhAvYqSADD82AQhUFk-0GtY-UC
+2019
+ACM Ivanovo - AiDS of p17
+    https://www.youtube.com/playlist?list=PLsHWLGkYFg3D1zoI3YeudkpWbXiXbhKVt
 2018
 Geyn - Kontur - Unusual Algorithms for Usual People
     https://www.youtube.com/playlist?list=PLc82OEDeni8SGp5CX8Ey1PdUcoi8Jh1Q_

db/sql/postgres/feature/explain/pg-explain.txt

@@ -5,3 +5,5 @@ https://postgrespro.ru/docs/postgresql/16/using-explain
 -- file:///D:/dev/Utils/PostgreSQL/9.1/doc/postgresql/html/sql-analyze.html
 -- file:///D:/dev/Utils/PostgreSQL/9.1/doc/postgresql/html/auto-explain.html
 -- explain analyze
+
+explain (analyze, costs off, buffers)  -- buffers is aprox about num of disk ops

db/sql/postgres/feature/index/intersected.txt

@@ -0,0 +1,5 @@
+2024
+    https://habr.com/ru/articles/871546/
+        INTERSECTED_INDEXES, if columns of one index - are prefix for the other one
+        !!! putting id into the index is almost always a bad idea
+

db/sql/postgres/feature/index/presentations.txt

@@ -4,3 +4,12 @@ AzatYakupov - BTree Index in PG 0:00 of 1:09:10
 JPoint - Salnikov - PostgreSQL Indices ru 0:00 of 2:00:44
     https://www.youtube.com/watch?v=ju9F8OvnL4E
     https://squidex.jugru.team/api/assets/srm/5a15546d-af53-46d4-be84-63367a5aaaf3/jpoint2022.andrei-.salsnikov.pdf
+2023
+JPoint - Sitnikov - B-Tree indices using Boot, PostgreSQL, JPA 18:00 of 45:07
+    https://www.youtube.com/watch?v=y-Wtyvme4gE
+    ! using indices improves search-perf, but degrades ins/upd perf
+    ! indices have types
+    ! 21:30 explain (analyze, costs off, buffers)  -- buffers is aprox about num of disk ops
+2017
+BartunovKorotkov - All truth about Indices 0:00 of 46:35
+    https://www.youtube.com/watch?v=aaecM4wKdhY

db/sql/postgres/feature/index/tools/pg-index-health-java.txt

@@ -1,10 +1,13 @@
 https://github.com/mfvanek/pg-index-health
+https://github.com/mfvanek/pg-index-health-sql
 
 https://github.com/mfvanek/pg-index-health/blob/master/gradle/libs.versions.toml
 https://github.com/mfvanek/pg-index-health/blob/master/pg-index-health-model/src/main/java/io/github/mfvanek/pg/model/settings/ImportantParam.java
+https://github.com/mfvanek/pg-index-health/blob/master/pg-index-health-core/src/main/java/io/github/mfvanek/pg/core/checks/common/Diagnostic.java
 
 2024
 https://habr.com/ru/articles/871546/
+    io.github.mfvanek:pg-index-health-test-starter:<ver>
 2020
 https://habr.com/ru/articles/490824/
 https://habr.com/ru/companies/tensor/articles/488104/

db/sql/postgres/feature/index/unique.txt

@@ -3,3 +3,7 @@ https://edu.postgrespro.ru/sqlprimer/sqlprimer-2019-msu-06.pdf
 
 create unique index <index-name> on <table-name> (col1, col2, ...);
     ! nulls are accepted at unique indices
+
+2024
+https://habr.com/ru/articles/871546/
+    ! each field with unique-constraint gets unique idx auto-created !!!

db/sql/postgres/feature/internals/statistics/statistics.txt

@@ -0,0 +1,5 @@
+https://www.postgresql.org/docs/current/monitoring-stats.html
+    cummulative
+
+https://www.postgresql.org/docs/current/monitoring-stats.html#MONITORING-STATS-FUNCTIONS
+    incl manual pg_stat_reset()

db/sql/tools/linter/sqlfluff.txt

@@ -1,2 +1,5 @@
+https://sqlfluff.com/
 https://docs.sqlfluff.com/en/stable/
 https://github.com/sqlfluff/sqlfluff
+
+https://docs.sqlfluff.com/en/stable/reference/rules.html

devops/k8s/tools/awesome.txt

@@ -0,0 +1,3 @@
+https://collabnix.github.io/kubetools/
+https://github.com/collabnix/kubetools
+    2yo

devops/k8s/tools/kubectl/kustomize.txt

@@ -13,6 +13,8 @@ https://kubectl.docs.kubernetes.io/guides/introduction/kustomize/
 https://kubernetes-sigs.github.io/kustomize/
 
 2023
+LvivJavaClub - Kustomize by Sergii Bishyr 0:00 of 39:12
+    https://www.youtube.com/watch?v=0TDxZrcYzws
 realmanual - k8s templates deploy ru of 29:28
     https://www.youtube.com/watch?v=f1FJGV4y-ug
 2020

pl/cross/messaging/kafka/docs/presentations.txt

@@ -8,6 +8,11 @@ Spectr - Apache Kafka Typical Erors 0:00 of 54:46
     https://www.youtube.com/watch?v=FGETRVOPdiA
 ByteByteGo - System Design: Why is Kafka so Popular? of 4:19
     https://www.youtube.com/watch?v=yIAcHMJzqJc
+SelskiJavist - Kafka Fundamentals 0:00 of 2:09:05
+    https://www.youtube.com/watch?v=YluvsLmPU78
+    ! producer/consumer related
+    at-least-onece, at-most-once, fixing offset, a lot of props
+    transactions, partitions direct manip-n
 2022
 SpringDeveloper - Long - Spring Tips: Spring Boot & Apache Kafka 0:00 of 42:58
     https://www.youtube.com/watch?v=DJHUNSGh3K0

pl/cross/messaging/kafka/features/stream/articles.txt

@@ -1,3 +1,9 @@
+2024
+https://habr.com/ru/articles/870784/
+https://habr.com/ru/articles/862976/
+https://habr.com/ru/articles/858668/
+https://habr.com/ru/articles/854680/
+https://habr.com/ru/articles/850832/
 2023
 https://www.confluent.io/blog/building-a-microservices-ecosystem-with-kafka-streams-and-ksql/
     ! serie of p5

pl/cross/messaging/kafka/features/stream/ex-err.txt

@@ -0,0 +1,8 @@
+sample
+Properties props = new Properties();
+props.put(StreamsConfig.DEFAULT_DESERIALIZATION_EXCEPTION_HANDLER_CLASS_CONFIG,
+          LogAndContinueExceptionHandler.class);
+props.put(StreamsConfig.DEFAULT_PRODUCTION_EXCEPTION_HANDLER_CLASS_CONFIG,
+          DefaultProductionExceptionHandler.class);
+
+streams.setUncaughtExceptionHandler(...)

pl/cross/messaging/kafka/integrations/docker.txt

@@ -1,6 +1,9 @@
 https://github.com/Amplicode/amplicode-tutorials/blob/main/http-client-demo/app/docker-compose-dev.yaml
     + kafka-ui
 
+2024
+https://habr.com/ru/articles/854680/
+    confluentinc/confluent-local:latest
 2022
 https://www.baeldung.com/ops/kafka-docker-setup
     ! tip about healthcheck in comment

pl/cross/messaging/kafka/samples.txt

@@ -1,2 +1,5 @@
 https://github.com/confluentinc/examples
 https://github.com/gwenshap/kafka-examples
+
+KafkaProducer.send(...)
+KafkaConsumer.poll(num)

pl/cross/methodologies/cqrs/presentations.txt

@@ -2,6 +2,10 @@
 Javapro - CQRS in the Small with Java Records and jOOQ | Simon Martinelli (EN) of 41:30
     https://www.youtube.com/watch?v=bxywf9CGRkc
     https://github.com/simasch/cqrs-meets-modern-java
+2021
+HardAndSoftSkills - Veinik - CQRS 13:00 of 1:30:30
+    https://www.youtube.com/watch?v=gNtNz9RgoTA
+    https://www.slideshare.net/slideshow/software-craftsmanship-meetup-21-cqrs/250829667
 2014
 Young - CQRS and Event Sourcing
     https://www.youtube.com/watch?v=JHGkaShoyNs

pl/cross/methodologies/dp-patterns/circuitbreaker.txt

@@ -1,3 +1,3 @@
 2023
 https://lab.scub.net/architecture-patterns-the-circuit-breaker-8f79280771f1
-https://habr.com/ru/companies/otus/articles/778574/
+    https://habr.com/ru/companies/otus/articles/778574/

pl/cross/methodologies/event-storming.txt

@@ -0,0 +1,12 @@
+Togeather Devs and Business
+
+2024
+ListenIT - ES in 15 min 5:30 of 15:22
+    https://www.youtube.com/watch?v=oTeppXMkl6k
+    https://habr.com/ru/companies/runity/articles/689620/
+        - events
+        - aggregates
+        - actors (user, ext-api, ...)
+        - actions
+PodlodkaCrew - Event-Driven system projecting with DDD and ES 6:00 of 1:02:55
+    https://www.youtube.com/watch?v=EFokgQ7Qkt4

pl/java/features/annotation/annotation.txt

@@ -1,41 +1,4 @@
 https://docs.oracle.com/javase/tutorial/java/annotations/predefined.html
 
-2024
-https://www.infoworld.com/article/2257851/how-to-describe-java-code-with-annotations.html
-2023
-MJC - Creating Annotations in Java ru of 6:51
-    https://www.youtube.com/watch?v=7D4Wn0GndCA
-https://www.baeldung.com/java-annotation-processing-builder
-2022
-JACOV -  "Java Annotation Processing" - Oscar Camacho
-    https://www.youtube.com/watch?v=REli837WM5o&t=4390s
-https://docs.oracle.com/javase/tutorial/java/annotations/index.html
-    https://habr.com/ru/post/662023/
-https://reflectoring.io/java-annotation-processing/
-    https://habr.com/ru/company/otus/blog/655239/
-    https://github.com/thombergs/code-examples/tree/master/core-java/annotation-processing/introduction-to-annotations
-2020
-https://blog.frankel.ch/introductory-guide-annotation-processor/
-2019
-https://dzone.com/articles/creating-custom-annotations-in-java
-2018
-https://jaxenter.com/understand-annotations-java-148001.html
-Compile Time Annoations
-    https://habr.com/post/414715/
-Albano - Creating Annotations in Java
-    https://dzone.com/articles/creating-custom-annotations-in-java
-????
-https://habrahabr.ru/company/e-Legion/blog/206208/
-https://github.com/DanielSerdyukov/droidcon2015
-https://docs.google.com/presentation/d/1zamMD_7LeGItOYFUPoYYjKb8hFl243krqZgPKwVgvr0/edit#slide=id.p4
-https://www.youtube.com/watch?v=dBUAqPs0TB0
-https://www.youtube.com/watch?v=tRmJm2_qytM
-https://speakerdeck.com/search?q=droidcon+2014+nyc
-
-Erni - The Hacker's Guide to Javac
-http://scg.unibe.ch/archive/projects/Erni08b.pdf
-
-
-
 @SuppressWarnings("unchecked")
 https://docs.oracle.com/javase/8/docs/api/java/lang/SuppressWarnings.html

pl/java/features/annotation/articles.txt

@@ -0,0 +1,36 @@
+2024
+https://www.infoworld.com/article/2257851/how-to-describe-java-code-with-annotations.html
+2023
+MJC - Creating Annotations in Java ru of 6:51
+    https://www.youtube.com/watch?v=7D4Wn0GndCA
+https://www.baeldung.com/java-annotation-processing-builder
+2022
+https://reflectoring.io/java-annotation-processing/ 
+    https://github.com/thombergs/code-examples/tree/master/core-java/annotation-processing/introduction-to-annotations
+    !!!
+    ! @Inherited -> propagates annotation to inherited classes
+https://docs.oracle.com/javase/tutorial/java/annotations/index.html
+    https://habr.com/ru/post/662023/
+https://reflectoring.io/java-annotation-processing/
+    https://habr.com/ru/company/otus/blog/655239/
+    https://github.com/thombergs/code-examples/tree/master/core-java/annotation-processing/introduction-to-annotations
+2020
+https://blog.frankel.ch/introductory-guide-annotation-processor/
+2019
+https://dzone.com/articles/creating-custom-annotations-in-java
+2018
+https://jaxenter.com/understand-annotations-java-148001.html
+Compile Time Annoations
+    https://habr.com/post/414715/
+Albano - Creating Annotations in Java
+    https://dzone.com/articles/creating-custom-annotations-in-java
+????
+https://habrahabr.ru/company/e-Legion/blog/206208/
+https://github.com/DanielSerdyukov/droidcon2015
+https://docs.google.com/presentation/d/1zamMD_7LeGItOYFUPoYYjKb8hFl243krqZgPKwVgvr0/edit#slide=id.p4
+https://www.youtube.com/watch?v=dBUAqPs0TB0
+https://www.youtube.com/watch?v=tRmJm2_qytM
+https://speakerdeck.com/search?q=droidcon+2014+nyc
+
+Erni - The Hacker's Guide to Javac
+http://scg.unibe.ch/archive/projects/Erni08b.pdf

pl/java/features/annotation/presentations.txt

@@ -0,0 +1,3 @@
+2022
+JACOV -  "Java Annotation Processing" - Oscar Camacho
+    https://www.youtube.com/watch?v=REli837WM5o&t=4390s

pl/java/libfws/fp/boilerplate/lombok/articles.txt

@@ -3,6 +3,10 @@ https://www.toptal.com/java/write-fat-free-java-code-project-lombok
 https://www.ibm.com/developerworks/library/j-lombok/
 2023
 https://www.unlogged.io/post/how-does-the-lombok-magic-work-underneath
+2022
+https://reflectoring.io/when-to-use-lombok/
+    https://github.com/thombergs/code-examples/tree/master/core-java/lombok/be-informed-with-lombok/    
+    !!! be very carefull with JPA entities
 2021
 https://auth0.com/blog/a-complete-guide-to-lombok/
     https://habr.com/ru/companies/piter/articles/676394/

pl/java/libfws/io/distributed/cloud/circuitbreaker/resilience4j.txt

@@ -1,6 +1,8 @@
 https://resilience4j.readme.io/
 
 https://github.com/resilience4j/resilience4j
+https://github.com/resilience4j/resilience4j/tree/master/resilience4j-retry
+https://github.com/resilience4j/resilience4j/tree/master/resilience4j-circuitbreaker
 
 https://resilience4j.readme.io/docs
 

pl/java/libfws/spring/boot/features/cfg/refres.txt

@@ -0,0 +1,6 @@
+@RefreshScope of spring-cloud
+http://<host>:<port>/actuator/refresh
+applicationContext.publishEvent(new RefreshEvent(this, <event>, <eventName>))
+
+notes:
+Hikary uses AutoCloseable objects => open connections are hanging after refresh

pl/java/libfws/spring/boot/features/cfg/ssl.txt

@@ -10,7 +10,28 @@ server:
     key-store-type: pkcs12
     key-store-password: <pwd>
     keyAlias: 1
+    ...
+    trust-store
+    ...
+    bundle:
+      jks:
+        <bundle-name>:
+          key:
+            alias: server
+            password: <pwd-val>
+          keystore:
+            type: pkcs12
+            location: ${secrets.server.keyStorePath}
+            password: <pwd-val>
+          truststore:
+            ...
+          reloadOnUpdate: true
 
+pem-format - just encoded in base64
+
+2024
+https://habr.com/ru/companies/sberbank/articles/870116/
+    !
 2023
 https://spring.io/blog/2023/11/07/ssl-hot-reload-in-spring-boot-3-2-0
 https://spring.io/blog/2023/06/07/securing-spring-boot-applications-with-ssl

pl/java/libfws/spring/boot/messaging/kafka/batching.txt

@@ -0,0 +1,4 @@
+batching
+https://stackoverflow.com/questions/58492689/how-to-send-batched-data-with-spring-kafka-producer
+2020
+https://medium.com/@shrutishrm17/kafka-batch-processing-in-spring-boot-fc6c58f857fa

pl/java/libfws/spring/boot/messaging/kafka/cfg.txt

@@ -0,0 +1,2 @@
+https://github.com/spring-projects/spring-boot/tree/main/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka
+https://github.com/spring-projects/spring-boot/blob/main/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/KafkaProperties.java

pl/java/libfws/spring/boot/messaging/kafka/ex-err-processing.txt

@@ -0,0 +1,7 @@
+https://docs.spring.io/spring-kafka/reference/kafka/annotation-error-handling.html
+    @Bean
+    CommonErrorHandler kafkaErrorHandler() {
+        return new KafkaErrorHandler();
+    }
+https://medium.com/javarevisited/robust-kafka-consumer-error-handling-on-a-spring-boot-3-application-6fc95e92c956
+    @RetryableTopic, Listeners with Acknoledgement

pl/java/libfws/spring/boot/messaging/kafka/jaas.txt

@@ -0,0 +1 @@
+https://kafka.apache.org/documentation/#security_jaas_client

pl/java/libfws/spring/boot/messaging/kafka/kafka.txt

@@ -1,56 +1,18 @@
-Apache Kafka support
-
 http://projects.spring.io/spring-kafka/
 https://github.com/spring-projects/spring-kafka
 
 https://docs.spring.io/spring-kafka/reference/html/
 https://docs.spring.io/spring-kafka/reference/htmlsingle/
 
-cfg
-https://github.com/spring-projects/spring-boot/tree/main/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka
-https://github.com/spring-projects/spring-boot/blob/main/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/KafkaProperties.java
-
-testing
-2024
-https://habr.com/ru/articles/824594/
-https://habr.com/ru/companies/alfastrah/articles/816057/
-
-batching
-https://stackoverflow.com/questions/58492689/how-to-send-batched-data-with-spring-kafka-producer
-2020
-https://medium.com/@shrutishrm17/kafka-batch-processing-in-spring-boot-fc6c58f857fa
-
 api
 https://docs.spring.io/spring-kafka/api/org/springframework/kafka/core/KafkaTemplate.html
 
-ex-err
-https://docs.spring.io/spring-kafka/reference/kafka/annotation-error-handling.html
-    @Bean
-    CommonErrorHandler kafkaErrorHandler() {
-        return new KafkaErrorHandler();
-    }
-https://medium.com/javarevisited/robust-kafka-consumer-error-handling-on-a-spring-boot-3-application-6fc95e92c956
-    @RetryableTopic, Listeners with Acknoledgement
-
 idempotence
     configProps.put(ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG, true);
 
-jaas
-https://kafka.apache.org/documentation/#security_jaas_client
-
-testing
-https://docs.spring.io/spring-kafka/reference/testing.html
-    MockProducer, MockConsumer, assertj kafka-related assertions
-https://testcontainers.com/guides/testing-spring-boot-kafka-listener-using-testcontainers/
-https://www.baeldung.com/spring-boot-kafka-testing
-
 compression
 https://medium.com/swlh/exploit-apache-kafkas-message-format-to-save-storage-and-bandwidth-7e0c533edf26
 
-ser-de
-https://docs.spring.io/spring-kafka/reference/kafka/serdes.html
-
-
 presentations
 2022
 SpringIO - Spring Kafka beyond the basics - Lessons learned on our Kafka journey at ING Bank by Tim van Baarsen 0:00 of 44:04
@@ -100,14 +62,3 @@ https://www.confluent.io/blog/spring-for-apache-kafka-deep-dive-part-2-apache-ka
 https://www.confluent.io/blog/spring-for-apache-kafka-deep-dive-part-1-error-handling-message-conversion-transaction-support
 2018
 https://www.javacodegeeks.com/2018/03/spring-cloud-stream-kafka.html
-
-samples
-https://thepracticaldeveloper.com/spring-boot-kafka-config/
-    https://hub.docker.com/r/wurstmeister/kafka/
-    http://wurstmeister.github.io/kafka-docker/
-    https://github.com/wurstmeister/kafka-docker/wiki
-    https://github.com/wurstmeister/kafka-docker/wiki/Connectivity
-
-whats new
-https://docs.spring.io/spring-kafka/docs/2.9.0/reference/html/#whats-new-part
-https://spring.io/blog/2018/02/22/spring-for-apache-kafka-2-1-3-spring-integration-kafka-3-0-2-are-available

pl/java/libfws/spring/boot/messaging/kafka/samples.txt

@@ -0,0 +1,5 @@
+https://thepracticaldeveloper.com/spring-boot-kafka-config/
+    https://hub.docker.com/r/wurstmeister/kafka/
+    http://wurstmeister.github.io/kafka-docker/
+    https://github.com/wurstmeister/kafka-docker/wiki
+    https://github.com/wurstmeister/kafka-docker/wiki/Connectivity

pl/java/libfws/spring/boot/messaging/kafka/ser-de.txt

@@ -0,0 +1 @@
+https://docs.spring.io/spring-kafka/reference/kafka/serdes.html

pl/java/libfws/spring/boot/messaging/kafka/testing.txt

@@ -0,0 +1,9 @@
+https://docs.spring.io/spring-kafka/reference/testing.html
+    MockProducer, MockConsumer, assertj kafka-related assertions
+https://testcontainers.com/guides/testing-spring-boot-kafka-listener-using-testcontainers/
+
+baeldung
+https://www.baeldung.com/spring-boot-kafka-testing
+2024
+https://habr.com/ru/articles/824594/
+https://habr.com/ru/companies/alfastrah/articles/816057/

pl/java/libfws/spring/boot/messaging/kafka/transactions.txt

@@ -0,0 +1,4 @@
+https://spring.io/blog/2023/09/28/producer-initiated-transactions-in-spring-cloud-stream-kafka-applications
+https://spring.io/blog/2023/09/27/introduction-to-transactions-in-spring-cloud-stream-kafka-applications
+https://www.confluent.io/blog/exactly-once-semantics-are-possible-heres-how-apache-kafka-does-it/
+https://www.confluent.io/blog/transactions-apache-kafka/

pl/java/libfws/spring/boot/messaging/kafka/whatsnew.txt

@@ -0,0 +1,2 @@
+https://docs.spring.io/spring-kafka/docs/2.9.0/reference/html/#whats-new-part
+https://spring.io/blog/2018/02/22/spring-for-apache-kafka-2-1-3-spring-integration-kafka-3-0-2-are-available

pl/java/libfws/spring/cloud/stream/feature/transactions.txt

@@ -1,3 +1,4 @@
 2023
 https://spring.io/blog/2023/10/11/transactional-rollback-strategies-with-spring-cloud-stream-and-apache-kafka
 https://spring.io/blog/2023/10/16/apache-kafkas-exactly-once-semantics-in-spring-cloud-stream-kafka
+https://spring.io/blog/2023/09/27/introduction-to-transactions-in-spring-cloud-stream-kafka-applications

pl/java/libfws/spring/data/features/pagination.txt

@@ -0,0 +1,23 @@
+https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/domain/PageRequest.html
+https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/domain/Pageable.html
+    ofSize(pageSize) - first page...
+https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/domain/Page.html
+    int getTotalPages
+https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/domain/Slice.html
+    if we don't need total number of items/pages
+https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/util/Streamable.html
+    toList()
+
+Pageable firstPageWithTwoElements = PageRequest.of(0, 2);
+Pageable secondPageWithFiveElements = PageRequest.of(1, 5);
+
+Pageable sortedByName =
+  PageRequest.of(0, 3, Sort.by("name"));
+Pageable sortedByPriceDesc =
+  PageRequest.of(0, 3, Sort.by("price").descending());
+Pageable sortedByPriceDescNameAsc =
+  PageRequest.of(0, 5, Sort.by("price").descending().and(Sort.by("name")));
+
+2019
+https://reflectoring.io/spring-boot-paging/
+    https://github.com/thombergs/code-examples/tree/master/spring-boot/paging

pl/java/libfws/spring/data/jpa/features/multi-db.txt

@@ -1,3 +1,6 @@
+2023
+Vega - How to Configure Multiple JDBC Clients 0:00 of 24:23
+    https://www.youtube.com/watch?v=ZKYFGuukhT4
 2022
 https://www.baeldung.com/spring-data-jpa-multiple-databases
 https://www.baeldung.com/multitenancy-with-spring-data-jpa/

pl/java/libfws/spring/data/jpa/features/query/criteria/blaze-persistence.txt

@@ -7,6 +7,11 @@ https://staging-persistence.blazebit.com/documentation/1.6/core/manual/en_US/
 https://staging-persistence.blazebit.com/documentation/1.6/entity-view/manual/en_US/
 https://blazebit.com/blog
 
+baeldung
+https://www.baeldung.com/blaze-persistence-tutorial
+2024
+LvivJavaClub - Blaze Persistence by Volodymyr Yastrubchak 0:00 of 1:00:11
+    https://www.youtube.com/watch?v=pVDu3VnMXY4
 2023
 https://vladmihalcea.com/blaze-persistence-multiset/
 2021

pl/java/tools/quality/testing/equals-verifyer.txt

@@ -0,0 +1,13 @@
+https://jqno.nl/equalsverifier/
+https://github.com/jqno/equalsverifier
+
+https://jqno.nl/equalsverifier/manual/
+https://jqno.nl/equalsverifier/manual/getting-started/
+https://jqno.nl/equalsverifier/manual/good-equals
+https://jqno.nl/equalsverifier/manual/final/
+https://jqno.nl/equalsverifier/manual/immutability/
+...
+https://jqno.nl/equalsverifier/manual/jpa-entities/
+
+https://jqno.nl/equalsverifier/errormessages/
+https://jqno.nl/equalsverifier/resources/

pl/java/tools/quality/testing/property/jqwik.txt

@@ -14,6 +14,10 @@ samples
 https://github.com/jlink/property-based-testing/tree/main/pbt-java
 https://github.com/jlink/property-based-testing/blob/main/pbt-java/src/test/java/pbt/hwayne/can_afford.md
 
+2024
+LvivJavaClub - Verhun - Property Based Testing on Java with jqwik 0:00 of 1:02:41
+    https://www.youtube.com/watch?v=5LRp5j5TDzY
+    https://github.com/iverhun/pbt-jqwik
 2019
 https://blogs.oracle.com/javamagazine/know-for-sure-with-property-based-testing
 https://blog.johanneslink.net/2019/05/11/property-based-driven-development/

pl/kt/features/ex-err-handling/articles.txt

@@ -1,3 +1,6 @@
+2023
+https://habr.com/ru/articles/763518/
+    !!! Result<,>, runCatching, mapCatching, recoverCatching, recover
 2020
 https://medium.com/@elizarov/kotlin-and-exceptions-8062f589d07
 2019

pl/kt/features/ex-err-handling/result.txt

@@ -0,0 +1,5 @@
+https://github.com/JetBrains/kotlin/blob/rrr/2.1.0/core-docs/libraries/stdlib/src/kotlin/util/Result.kt#L141
+https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/run-catching.html
+
+2024
+https://www.baeldung.com/kotlin/runcatching-vs-try-finally

pl/web/js/engines/playwright/playwright.txt

@@ -5,6 +5,10 @@ https://github.com/microsoft/playwright/
 
 https://playwright.dev/docs/intro/
 
+2023
+VSCode - Playing Your Tests Wright with VS Code 0:00 of 13:39
+    https://www.youtube.com/watch?v=ECkMUATC1aA
+    https://playwright.dev/docs/getting-started-vscode
 2021
 https://dev.to/azure/001-getting-started-with-playwright-37a1
     https://habr.com/ru/post/597293/

science/ds/tree/segment.txt

@@ -2,6 +2,8 @@ https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D0%BE_%D0%BE%D1%82%
 https://e-maxx.ru/algo/segment_tree
 http://brestprog.by/topics/segmenttree/
 https://wiki.algocode.ru/index.php?title=%D0%94%D0%B5%D1%80%D0%B5%D0%B2%D0%BE_%D0%BE%D1%82%D1%80%D0%B5%D0%B7%D0%BA%D0%BE%D0%B2
+https://neerc.ifmo.ru/wiki/index.php?title=%D0%A0%D0%B5%D0%B0%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F_%D0%B7%D0%B0%D0%BF%D1%80%D0%BE%D1%81%D0%B0_%D0%B2_%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%B5_%D0%BE%D1%82%D1%80%D0%B5%D0%B7%D0%BA%D0%BE%D0%B2_%D1%81%D0%BD%D0%B8%D0%B7%D1%83
+https://neerc.ifmo.ru/wiki/index.php?title=%D0%A0%D0%B5%D0%B0%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F_%D0%B7%D0%B0%D0%BF%D1%80%D0%BE%D1%81%D0%B0_%D0%B2_%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%B5_%D0%BE%D1%82%D1%80%D0%B5%D0%B7%D0%BA%D0%BE%D0%B2_%D1%81%D0%B2%D0%B5%D1%80%D1%85%D1%83
 
 https://raw.githubusercontent.com/9kin/segment_tree/main/conspect.pdf
     https://sch9.ru/files/lectures/ict/segment-tree-v2.pdf
@@ -35,6 +37,9 @@ SergeySlotin - Persistent Segment Tree ru
 OtusEdu - SegmentTree 0:00 of 55:46
     https://www.youtube.com/watch?v=CDLLYa8nAVM
 2020
+ACM Ivanovo - Segment Tree/Dynamic
+    https://www.youtube.com/watch?v=tyq0FWhGAhw
+    https://www.youtube.com/watch?v=Jh0faj3iHgA
 OtusOnlineEdu - SegmentTree 0:00 of 1:31:31
     https://www.youtube.com/watch?v=99M67y9kLJs
 MIPT - FPMI - Grishutin - Segment Tree
@@ -53,6 +58,8 @@ CSC - Novosib - Segment Tree Seminar
     https://www.youtube.com/watch?v=hgi3kEcOj58
     https://compscicenter.ru/courses/algorithms-1/nsk/2018-autumn/classes/4378/
 2013
+LKSH - Segment Tree
+    https://sis.khashaev.ru/2013/july/a/
 Intuit - Problems on Trees 0:00 of 1:28:13
     https://www.youtube.com/watch?v=8v6ylOY4cG0