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Habr

Modern COBOL: Microservice Tutorial.

You will learn and implement a microservice in COBOL without Mainframe. You will structure the project, manage dependencies, implement automatic tests and build virtualized execution environment. Finally, you will publish the microservice on GitHub under Continuous Integration workflow: https://amp.gs/wFIL

581 views11:56

Habr

C2x: the future C standard.

“I decided to spend a few evenings studying material on C2x, the future version of C. Here I will share with you what I consider to be its most interesting new features”: https://amp.gs/wLeV

561 views09:18

Habr

“Thankfully, there is no need to create a 3-node replica set and we can run these transactions only against a single database instance”.

The Testcontainers’ MongoDB Module and Spring Data MongoDB in Action: https://amp.gs/woxx

602 views09:48

Habr

What is IPTV and How to Start Your Own IPTV Service?

Here’s everything you need to know about this concept, from the definition of IPTV to how to create your own IPTV service: https://amp.gs/w5HM

584 views08:39

Habr

[Translation] Lossless ElasticSearch data migration

Academic data warehouse design recommends keeping everything in a normalized form, with links between. Then the roll forward of changes in relational math will provide a reliable repository with transaction support. Atomicity, Consistency, Isolation, Durability — that's all. In other words, the storage is explicitly built to safely update the data. But it is not optimal for searching, especially with a broad gesture on the tables and fields. We need indices, a lot of indices! Volumes expand, recording slows down. SQL LIKE can not be indexed, and JOIN GROUP BY sends us to meditate in the query planner. Read more → https://amp.gs/F8vj

Habr

Lossless ElasticSearch data migration

Academic data warehouse design recommends keeping everything in a normalized form, with links between. Then the roll forward of changes in relational math will...

555 views15:44

Habr

Spring transaction management. Isolation and propagation

Introduction
In my opinion transaction management is a really important topic for each backend developer. In general, people don’t pay attention to it while using Spring framework.
But I think, it is important to know how to use transactions properly. Because sometimes can happen that there was an exception thrown inside your method, but transaction was not rolled back and it is not clear why? Or some other “strange” cases. Read more → https://amp.gs/FTv3

Habr

Spring transaction management. Isolation and propagation

Introduction In my opinion transaction management is a really important topic for each backend developer. In general, people don’t pay attention to it while u...

534 views06:42

Habr

Why everybody hates scrum and how to replace it?

It feels like Scrum has been around forever and everybody knows what it is and has interacted with it in one way or another.
Indeed, there were times when everything around scrum was innovative, valuable and efficient: from planning to sprints and so on.
However, recently the number of negative reviews has been escalating.
Read more → https://amp.gs/FYEm

Habr

Why everybody hates scrum and how to replace it?

It feels like Scrum has been around forever and everybody knows what it is and has interacted with it in one way or another. Indeed, there were times when...

506 views09:03

Habr

[Translation] Static Analysis: baseline VS diff
https://amp.gs/FtZ9

Habr

Static Analysis: baseline VS diff

If you use static analyzers, you will have, sooner or later, to address the task of making their integration into existing projects easier, where fixing all...

500 views13:14

Habr

Under the Hood of PVS-Studio for Java: How We Develop Diagnostics
https://amp.gs/FtBw