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1
Content available Order violation in multithreaded applications and its detection in static code analysis process
Giebas Damian, Wojszczyk Rafał
Applied Computer Science
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2020
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Vol. 16, no 4
103--117
EN
The subject presented in the paper concerns resource conflicts, which are the cause of order violation in multithreaded applications. The work focuses on developing conditions that can be implemented as a tool for allowing to detect these conflicts in the process of static code analysis. The research is based on known errors reported to developers of large applications such as Mozilla Firefox browser and MySQL relational database system. These errors could have been avoided by appropriate monitoring of the source code.
2
Content available Weryfikacja użycia metody oceny jakości implementacji wzorców projektowych w zastosowaniu produkcyjnym
Wojszczyk Rafał, Stola Piotr
Zeszyty Naukowe Wydziału Elektroniki i Informatyki Politechniki Koszalińskiej
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2019
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Nr 14
83--92
PL
Programiści pracujący zgodnie z metodykami zwinnymi bardzo chętnie implementują wzorce projektowe w trakcie swojej pracy. Często robią to bazując wyłącznie na własnym doświadczeniu, co nie uwzględnia dodatkowych korzyści, których można oczekiwać po implementacji wzorców. Celem artykułu jest przedstawienie przebiegu i wyników z weryfikacji metody oceny wzorców projektowych w zastosowaniu produkcyjnym. Eksperyment przeprowadzono wspólnie z zewnętrzną firmą, pracującą według zwinnej metodyki wytwórczej.
EN
Developers working according to agile methodologies are very happy to implement design patterns in their work. They often do so based solely on their own experience, which does not take into account the additional benefits that can be expected from implementing patterns. The purpose of the article is to present the mileage and results of verification of the method of assesment design patterns in production. The experiment was conducted jointly with an external company, working according to a agile manufacturing methodology.
3
Content available Model i metoda oceny jakości implementacji wzorców projektowych
Wojszczyk Rafał
Zarządzanie Przedsiębiorstwem
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2019
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Vol. 22, nr 4
22--28
EN
Design patterns are very popular in programmers. It allow you to solve choosen problems in the object-oriented languages, and also provide some benefits, for example: lower cost of program upgrades. Implementations of patterns (even the same kind) can vary considerably from one another and do not provide the expected benefits. The paper presents a solution for measuring the implementation of patterns, and then provides a verification of this solution in practice and on the space of a joint formal representation.
4
Content available Verification of accuracy and cost of use methos of quality assessment of implementation of design patterns
Wojszczyk Rafał
Applied Computer Science
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2019
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Vol. 15, no 1
5--17
EN
Professional programmers use many additional tools over the Integrated Development Environment during their work. Very often they are looking for new solutions, while expecting that the new tool will provide accurate results, and the cost of use will fit within the planned budget. The aim of the article is to present the results of two comparative analyzes carried out in terms of accuracy and the cost of using the quality assessment method of implementation of design patterns.
5
Content available Graphical representations of multithreaded applications
Giebas Damian, Wojszczyk Rafał
Applied Computer Science
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2018
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Vol. 14, no 2
20--37
EN
This article contains a brief description of existing graphical methods for presenting multithreaded applications, i.e. Control Flow Graph and Petri nets. These methods will be discussed, and then a way to represent multithreaded applications using the concurrent process system model will be presented. All these methods will be used to present the idea of a multithreaded application that includes the race condition phenomenon. In the summary, all three methods will be compared and subjected to the evaluation, which will depend on whether the given representation will allow to find the mentioned phenomenon.
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