Michal Jastak

Michał is a Chief Technology Officer in Java Division of AIS.PL, company developing mostly Web Applications of different kind, usually e-Government related.

Enterprise Java
Michal JastakOctober 21st, 2019
0 155
Spring MVC – HTTP message converter
Quite often you need to provide users with the same data, but in different forms, like JSON, PDF, XLS, etc.…
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Core Java
Michal JastakAugust 9th, 2019
0 100
JDBC – Emulating a sequence
Probably each of us encountered this problem at least once in the programmer’s life – how to emulate a database…
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Core Java
Michal JastakJune 17th, 2014
0 34
Serialization Proxy Pattern example
There are books, which change your life immensely. One of such books is “Effective Java” by Joshua Bloch. Below you…
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Enterprise Java
Michal JastakMay 14th, 2013
1 533
JPA – Querydsl Projections
In my last post: JPA – Basic Projections – I’ve mentioned about two basic possibilities of building JPA Projections. This…
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Enterprise Java
Michal JastakMay 1st, 2013
2 32
JPA – Should I become a laziness extremist?
When you spoke with the Developers about mapping objects to relational databases, they very often complain about poor JPA performance,…
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Enterprise Java
Michal JastakApril 9th, 2013
6 201
JPA – Hibernate – Type mapping on package level
When we are finally mature enough to use some custom types mapping in JPA, we usually stuck with some provider…
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Enterprise Java
Michal JastakDecember 7th, 2012
3 66
Spring’s Web MVC – Redirect to the Memory Leak
They say that one rock can cause an avalanche. Lately, one of my Colleagues, Marcin Radoszewski, gave me such a…
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Core Java
Michal JastakOctober 9th, 2012
1 351
Customize PMD in Eclipse with your own rules
PMD is very nice Java code scanner which helps you avoid potential programming problems. It can be easily extended to…
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Enterprise Java
Michal JastakSeptember 7th, 2012
1 64
JSON – Jackson to the rescue
Sometimes you have to fetch some data from the server in JavaScript, JSON is pretty good choice for this task.…
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Thank you!