The article contains a survey of methods of the mobile development with the FMX Application platform, which allows to build multi-platform solutions for the efficient Human-Computer Interaction. The test projects illustrate some important conclusions regarding the design and testing of mobile applications for iOS and Android operating systems. They demonstrate navigation controls designed in the skeumorphic and flat manner with some comparisons based on interviews with users in several age ranges. Test apps provide also touch gestures, sensor integration and connections to remote internet data sources. Some additional considerations about the localization and internationalization of the mobile applications built with the FMX platform were also presented. The proposed implementation of the software engineering methods for the mobile application development provides new insights, valuable for software developers dealing with the new FMX platform on iOS and Android.

The paper presents the result of an evaluation of the performance of different message broker system configurations, which lead to the construction of the specific architecture guidelines for such systems. The examples are provided for an exemplary middleware messaging server software - RabbitMQ, set in high availability - enabling and redundant configurations. Rabbit MQ is a message queuing system realizing the middleware for distributed systems that implements the Advanced Message Queuing Protocol. The scalability and high availability design issues are discussed and the possible cluster topologies and their impact is presented. Since HA and performance scalability requirements are in conflict, scenarios for using clustered RabbitMQ nodes and mirrored queues are interesting and have to be considered with specific workloads and requirements in mind. The results of performance measurements for some topologies are also reported in this article.

The aim of this review is to describe ecological and physiological features of Andrallus spinidens Fabricius and to discuss various possibilities of using it as an appropriate biocontrol agent in different agroecosystems. This hemipteran is a cosmopolitan predator of caterpillar pests of rice, wheat, soybean, moong, pigeon pea, maize, sugarcane and cowpea with special feeding on Chilo suppressalis Walker, Naranga aenescnes Moore, Helicoverpa armigera Hübner and Spodoptera litura Fabricius. Climate, spatial distribution of prey and type of agricultural crop are among the factors influencing the biology and spatial-temporal distribution of A. spinidens. Studies have shown random or aggregated distribution of the predatory bug with population peaks in April, July and October. The 1st instar nymphs have no feeding, the 2nd and 3rd (the first 2 days) instars are seedling feeders while they are voracious predators of caterpillars from the middle of 3rd instar to adulthood. The salivary gland consisted of two anterior-, two lateral- and two posterior lobes with major secretion of trypsin, chymotrypsin, amino- and carboxypeptidases. The alimentary canal has a four-sectioned midgut in which the third section seems to be the main place for digestive enzymes including α-amylase, trypsin, chymotrypsin, elastase cathepsins B, L and D as well as carboxy- and aminopetidases. Andrallus spinidens have shown compatibility with some insecticides and the entomopathogenic fungus, Beauveria bassiana. The predatory bug may be successfully reared in a laboratory using Galleria mellonella larvae as prey and both conservation and augmentation should be considered as biological control strategies against insect pests.

This is a critical profile of Wiadomości Bibliograficzne Warszawskie [Warsaw Bibliographical News], a learned journal with a mission to keep a systematic record of current Polish publications and provide bibliographic information about their contents, published in 1882–1886 Teodor Paprocki, a leading Warsaw bookseller. The article outlines the history of the journal; analyzes its structure, layout, contents, editorial techniques, and its functioning in the bookselling trade and the academic community; and, finally, assesses its role in the development of professional bibliography writing in Poland.

Popular science magazines published in Poland between 1758 and 1939 are an important resource for all kinds of research including interdisciplinary analysis as well testing new methodological approaches. They provide insights into the changing understanding of science and its social functions, the status of the scientist, models of popularization of science, the channels and forms of communications, techniques of construction of the popular science text enhanced with graphics and illustrations.

While in the United States Polish newspapers and magazines began to spring up in the late 19th century, in Russia the Polish diaspora did not produce their own press until the early 20th century. This article surveys the contents of three periodicals and other publications produced by Polonia associations in Krasnodar, Zheleznovodsk and Stavropol in Southern Russia.

This article examines three aborted publishing projects involving popular science magazines from the early 19th century, two of them in Cracow, one in Kalisz. Their history has been reconstructed thanks to the publishers' prospectuses found in collections of the Jagiellonian Library.

The article contains a bibliometric analysis and a concise review of the achievements of Marian Gierula (1955–2020). In the period 1981–2019, the author published 164 original scientific publications, including 85 articles and monographs in Polish, English and German, 42 in Russian and 37 research reports and expertises.

This is a profile of Ateneum Wileńskie, an annual published by the Society of the Friends of Science in Wilno in 1923–1939 with the financial support of the Ministry of Religious Affairs and Public Education. It featured articles on the history of the former Grand Duchy of Lithuania and played an important role in the popularization of research in the field of political history, law, culture, social and economic history and historical sources of Lithuania in the 16th–19th century. Ateneum Wileńskie was one of the leading academic periodicals in Poland, and most of the materials that were published by it have retained their value.

This article discusses the role of the illustrated women's magazine Bluszcz [Ivy] in shaping and stimulating its readers' social and political engagement throughout the interwar period, from its relaunch in 1921 until 1939. Addressed to educated, middle-class women, it strove to raise their awareness in the wake of the women's enfranchisement act of 1918 and inspire them to participate in public life, to energize the local community, and to organize and promote various forms of social work.

This article attempts to show the importance of newspaper advertisements as a factual source which offers valuable insights into past events. The study of advertisements helps the researcher to complement and verify what has been gleaned from the usual documents, and sometimes can even provide a corrective to conclusions reached by other means. In particular, the advertisements in Lwowskie Tygodniowe Wiadomości [Lwów Weekly News], published 1786–1788 show how much information about property from the monasteries of Galicia, dissolved by Emperor Joseph II in 1782–1788, can be found in the local press. It is a source which not only contains important clues about the history and the scale of the dissolution but also a wealth of minor details that it would be hard find anywhere else.

Hanna Krall is an acclaimed journalist and author, whose books were translated into multiple languages. However, relatively little critical attention has been given since her rise to world fame to her early work as a journalist. This article revisits this unjustly neglected part of her biography, when she made her name by reportages portraying the realities of life in Poland in the 1970s (the Edward Gierek's decade) and registering the tensions that led to the political earthquake of 1980 and culminated in the collapse of the communist system in 1989.