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Proceedings of the XIII International Scientific and Practical Conference
(2025-11-25) Andrushchak, Igor; Bandach, George
The article discusses Salesforce operates in a multitenant environment where strict governor limits ensure fair resource allocation among organizations. Synchronous operations face stringent constraints: 100 SOQL queries, 150 DML statements, 6 MB heap size, and 10,000 milliseconds CPU time per transaction. When business requirements exceed these limits, asynchronous processing becomes essential, offering doubled governor limits: 200 SOQL queries, 300 DML statements, 12 MB heap size, and 60,000 milliseconds CPU time. Salesforce provides four primary asynchronous mechanisms: Future Methods for simple operations, Queueable Apex for complex workflows with job chaining, Batch Apex for large data volumes, and Scheduled Apex for recurring time-based operations. This research examines these asynchronous patterns, comparing their performance characteristics and establishing best practices for optimal resource management.
Features of the protection system of operating systems
(2025-12-09) Andrushchak, Igor; Byk, Bolodymyr
The article examines the protection features in operating systems, as well as defects in ensuring data security in the system. Therefore, a comparative analysis of the security of the Windows family of OSes was conducted.
Features of automated web interface testing technology
(2025-12-16) Andrushchak, Igor; Sakovets, Bogdan
The main advantages of automated testing, disadvantages and cases when its use is not advisable are considered, the tool used for automated testing is compared, testing is an important part of the program life cycle, without which it is impossible to release a decent product. Types of testing are distinguished, such as manual and automated. The main types of automated testing are given and explained. The differences between automated and manual testing are indicated, the positive and negative sides. Analysis and comparison are carried out with the following conclusion, which type of testing is better to choose and how to combine them.
Aspects of blockchain technology, its working principles and prospects of use
(2025-12-16) Andrushchak, Igor; Sakovets, Bogdan
The main advantages, disadvantages, technical aspects of Blockchain technologies, their application possibilities, development prospects, principles of work and legal aspects of the issue are considered and described. Based on blockchain technology, it is possible to create public databases, open resources for registering property rights. From a technical point of view, blockchain has certain disadvantages, but experts areconfident in the effectiveness of blockchain and predict a great future for this technology.
Features of the electronic digital signature as a factor of preserving the authenticity and integrity of the document
(2026-02-03) Andrushchak, Igor; Boyko, Lev
The possibility of using an electronic digital signature to add integrity and authenticity to the document is being investigated. The results of the implementation of electronic digital signatures and electronic document management in the activities of regional and municipal administration bodies in the Far Eastern Federal District are shown.
Investigation of the Properties of Powder Materials Using Computer Modeling
(2021-07-13) Pasternak, Viktoriya; Samchuk, Lyudmila; Huliieva, Nataliia; Andrushchak, Igor; Ruban, Artem
Granulometric characteristics of structurally inhomogeneous materials based on full-scale mounds of a powder mixture of different fractional composition are established. Regularities of backfilling of powder particles of different shapes and sizes are revealed, and changes in the polydispersity of powder particles within each fraction are justified. It is proved that with a decrease in the average particle size of structurally inhomogeneous AlCu2 materials in a single fraction, the size spread relative to this value of other particles increases. The results of calculating the porosity of backfills with particles of various shapes (round, triangular, and square) depending on the cross- sectional area of the lobules are presented. A three-dimensional diagram is constructed that shows the relationships between the fractional composition of powder particles, their average diameter, and the degree of inhomogeneity of homogeneous bronze AlCu2.
Prospects for managing decentralized systems using blockchain technology
(2026-02-10) Andrusuchak, Igor; Boyko, Lev
The scientific article thoroughly examines the modern features and directions of using blockchain technology and its advantages compared to traditional methods of storing data in distributed systems.

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