Видавець: 16
Programista na rozmowie kwalifikacyjnej
Dariusz Kalbarczyk, Bartłomiej Narożnik, Miłosz Piechocki, Paweł...
Nie daj się zagiąć - zrób dobre wrażenie na przyszłym pracodawcy! Rozmowa kwalifikacyjna to nie jest coś, o czym myśli się z przyjemnością, ale każdy z nas prędzej czy później musi się z nią zmierzyć. Im lepiej się do niej przygotujesz i im więcej błędów uda ci się uniknąć, tym większą masz szansę na ciekawą, doskonale płatną pracę. Problem w tym, że rekruterzy rzadko biorą pod uwagę specyfikę pracy programisty, oczekując, że kandydat do pracy sam się zareklamuje i zrobi to przekonująco. Jeśli chcesz zdobyć naprawdę dobrą pracę, musisz wiedzieć, na co zwrócić uwagę, by spełnić oczekiwania pracodawcy. Ta książka pomoże Ci zorientować się, jak rekruterzy postrzegają kandydatów do pracy, co chcą od nich usłyszeć i dlaczego wybierają konkretną osobę. Dzięki niej odkryjesz także, jakie obszary - związane i niezwiązane z programowaniem - interesują rekruterów i dlaczego. Zobaczysz, co warto podkreślać, na czym skupiać się podczas rozmowy, jak obrazowo opowiedzieć o swoich projektach i planach komuś, kto nie jest specjalistą w językach programowania i ma niewielkie pojęcie o tym, co potrafisz. Ponadto zdobędziesz solidną dawkę programistycznej wiedzy i poznasz przykładowe pytania rekrutacyjne. Przeczytaj, a Twoja kariera zawodowa nabierze rozpędu, zaczniesz pracować nad bardziej interesującymi projektami i zyskasz głęboką satysfakcję z pracy. Dostań się do świetnej firmy! Po co, jak często i czy w ogóle chodzić na rozmowy rekrutacyjne? Wybór firmy, wybór stanowiska, CV Jak współpracować z rekruterami Przygotowanie do rozmowy i kluczowe 60 minut Łatwe, trudne, głupie - o pytaniach rekrutacyjnych Programowanie obiektowe, architektura aplikacji, bazy danych i SQL C#, ASP.NET MVC i ASP.NET Web API HTML/CSS, JavaScript, ES2015+ i TypeScript Angular i React Windows Forms i Windows Presentation Foundation
Programista poszukiwany. Znajdź i zatrudnij najlepszego!
Joel Spolsky
Pracownicy Twoich marzeń Naucz się stosować praktyczne kryteria porządkowania zgłoszeń od kandydatów Poznaj podręczną instrukcję prowadzenia rozmów kwalifikacyjnych Dowiedz się, jak poprawiać niedoskonałe zespoły Joel Spolsky to prawdziwy geniusz. Sprawnie porusza się w świecie technologii i marketingu (oraz na polach wspólnych dla obu tych obszarów), których my wciąż musimy się uczyć. Seth Godin, autor książki Dołek Joel Spolsky to jeden z najbardziej rozważnych autorów piszących na temat wytwarzania oprogramowania. Z jego przemyśleniami na temat zatrudniania pracowników powinien zapoznać się każdy, kto planuje rekrutację programistów. Jessica Livingston, partner w firmie Y Combinator i autorka książki Founders at Work Jak zaoszczędzić na programistach? Menedżerowie, przedsiębiorcy i szefowie działów kadr wciąż toczą wewnętrzną walkę, czy zatrudnić świetnego, choć kosztownego programistę, czy przyoszczędzić i wybrać kogoś przeciętnego. Ci, którzy wybierają opcję numer 2, szybko przekonują się, że oszczędzanie na programistach skutkuje oprogramowaniem kiepskiej jakości, a co za tym idzie, korzyści są iluzoryczne. Po co komu dobry programista? Największym problemem związanym z zatrudnianiem wielu przeciętnych programistów w miejsce kilku naprawdę dobrych jest to, że niezależnie od czasu poświęconego na realizację zadań przeciętni programiści nigdy nie stworzą kodu, którego jakość będzie choćby zbliżona do jakości kodu najlepszych programistów. Pięciu Salierich nigdy nie stworzy dzieła na poziomie Requiem Mozarta, nawet gdyby pracowali nad nim sto lat. Po co komu dobry produkt? Nie możemy pozwolić sobie na to, by konkurencja nas prześcignęła, czy na tworzenie produktów zaledwie wystarczająco dobrych. Nasze dzieła muszą być niesamowite, by przyciągały uwagę potencjalnych użytkowników. Największym prezentem, który możemy otrzymać od naprawdę utalentowanych programistów, jest właśnie nadzieja na stworzenie czegoś zauważalnego. Dlaczego trzeba przeczytać tę książkę? Proces zatrudniania największych talentów technicznych jest jak zupełnie pozbawiony elementów zabawy tor przeszkód. Każdy, kto kiedykolwiek zastanawiał się, na co zwracać uwagę podczas przeglądania aplikacji, kto bił się z myślami po zakończeniu rozmowy kwalifikacyjnej lub kto nie może pojąć, dlaczego tak trudno znaleźć doskonałych programistów, powinien rzucić wszystko i przeczytać tę książkę. Jak to się robi w profesjonalnych firmach? Jak stale przyciągać doskonałych programistów poprzez organizowanie praktyk? Jak przygotować miejsce pracy, w którym będą chcieli spędzać czas najlepsi programiści? Jak czytać aplikacje i prowadzić rozmowy kwalifikacyjne z kandydatami na pracowników technicznych? Jak decydować, któremu z kandydatów złożyć ostateczną ofertę? DODATEK SPECJALNY: Test Joela: 12 kroków ku lepszemu oprogramowaniu.
Programista. Przewodnik po zawodzie
Arkadiusz Kałkus
Kariera kodera Na listach najlepiej opłacanych zawodów koder, developer, programista zawsze plasują się wysoko. Specjaliści do spraw administrowania sieciami komputerowymi, frontend i backend developerzy, analitycy systemów i architekci oprogramowania są stale poszukiwani. A ponieważ głodny nowoczesnych technologii rynek tak bardzo ich pożąda, oferuje programistom warunki płacy i pracy, o jakich przedstawiciele wielu innych zawodów mogą tylko pomarzyć. Zarobki grubo powyżej średniej krajowej? Tak! Praca zdalna z dowolnego miejsca na świecie? Bardzo często! Duża samodzielność? Jasne! W dodatku, jeśli wolisz, jako programista możesz założyć firmę i działać w stu procentach na własnych zasadach. Brzmi jak bajka? Oczywiście. I jest to bajka, której bohaterem możesz się stać, jeśli ukończysz odpowiednie studia i nabierzesz wprawy jako stażysta, a potem junior w firmach z branży IT. Nim jednak zdecydujesz o wyborze zawodu programisty, upewnij się, że właśnie TO chcesz robić w życiu: Przekonaj się, na czym tak naprawdę polega programowanie Poznaj ramowy plan dnia programisty Zorientuj się, z kim na co dzień współpracuje developer Dowiedz się, w jaki sposób organizuje się projekty w branży IT Zajrzyj w przyszłość i sprawdź, co czeka developerów w nadchodzących latach
Programiści i tłumacze. Wprowadzenie do lokalizacji oprogramowania
Agenor Hofmann-Delbor, Marta Bartnicka
Prawie wszystkie interfejsy cyfrowej wieży Babel! Status quo, czyli dlaczego warto tłumaczyć oprogramowanie Procesy tłumaczeniowe i inne koła zębate Skomplikowane związki, czyli tester i programista O graniu i naprawianiu, czyli kilka problemów i ich proponowane rozwiązania Dawno, dawno temu, w czasach, gdy na świecie pojawiały się nieśmiało pierwsze komputery osobiste, nikt nie przejmował się zbytnio kwestią tłumaczenia oprogramowania na lokalne języki. Bez znajomości choćby paru słów po angielsku Twoje szanse na uruchomienie gry czy sformatowanie dokumentu były w zasadzie zerowe. Od tamtych czasów przebyliśmy jednak długą drogę i dziś nikt nie kupi oprogramowania, które nie jest dostępne w lokalnej wersji językowej, a nawet więcej: w wersji dostosowanej do lokalnej kultury i zwyczajów związanych z korzystaniem z konkretnych produktów. To dlatego dobra współpraca tłumacza i programisty jest dziś na wagę złota. Niestety, ten tandem często ma wyraźny problem z wzajemnym zrozumieniem. W tej książce znajdziesz mnóstwo praktycznych, a także zabawnych przykładów sytuacji, w których potrzeby tłumacza i programisty kompletnie się rozmijają. Zobaczysz, skąd biorą się problemy, gdzie najczęściej się pojawiają i jak zapobiegać ich powstawaniu. Jeśli jesteś programistą, być może przestaniesz alfabetycznie sortować teksty w pliku do tłumaczenia i jasno określisz płeć postaci w Twojej grze, a jeśli tłumaczem, może uda Ci się rozpoznać to, co należy zostawić w oryginale, i nie zmienisz pomocy technicznej programu w zbiór ezoterycznych, poetyckich tekstów. Nie zastąpi to praktyki i codziennych interakcji zawodowych, ale może ułatwić przyjrzenie się problemom z innej perspektywy. I z pewnością przyczyni się do podniesienia jakości nowej wersji oprogramowania. Klienci to docenią! Lokalizacja oprogramowania to klucz do serca i portfela klienta!
Jesse Liberty, Joseph Dluzen
APIs are at the heart of modern software development, enabling seamless communication between applications. In the C# and .NET ecosystem, mastering API development is key to building scalable, reliable systems that meet both client and enterprise needs.Written by C# and .NET experts Jesse Liberty and Joseph Dluzen, this book draws on their extensive experience as hands-on programmers to equip you with the tools, techniques, and best practices for creating powerful APIs.Starting with API fundamentals, it covers everything you need to design, build, and consume APIs using .NET technologies such as ASP.NET Core, and explores both controller and Function API implementations. You'll integrate essential tools such as Postman for testing to streamline your development workflow.Through practical examples and exercises, the book guides you from database creation to deploying APIs on Azure. By the end of this book, you’ll have gained real-world skills to develop secure, high-performance APIs that scale with your applications for both personal projects and enterprise-level systems.
Eric Pimpler
ArcGIS is an industry standard geographic information system from ESRI.This book will show you how to use the Python programming language to create geoprocessing scripts, tools, and shortcuts for the ArcGIS Desktop environment.This book will make you a more effective and efficient GIS professional by showing you how to use the Python programming language with ArcGIS Desktop to automate geoprocessing tasks, manage map documents and layers, find and fix broken data links, edit data in feature classes and tables, and much more.Programming ArcGIS 10.1 with Python Cookbook starts by covering fundamental Python programming concepts in an ArcGIS Desktop context. Using a how-to instruction style you'll then learn how to use Python to automate common important ArcGIS geoprocessing tasks.In this book you will also cover specific ArcGIS scripting topics which will help save you time and effort when working with ArcGIS. Topics include managing map document files, automating map production and printing, finding and fixing broken data sources, creating custom geoprocessing tools, and working with feature classes and tables, among others.In Python ArcGIS 10.1 Programming Cookbook you'll learn how to write geoprocessing scripts using a pragmatic approach designed around an approach of accomplishing specific tasks in a Cookbook style format.
Eric Pimpler
The book kicks off with the fundamentals of starting to use Python with ArcGIS, followed by recipes on managing map documents and layers, including how to find and fix broken data links in these files.In the second part of the book, you will learn to create custom geoprocessing tools and how to use the Attribute and Location tools to select specific features.The third part of the book covers topics for advanced users including the REST API, and also teaches you how to use Python with ArcGIS Pro. The book finishes with appendices covering how to automate Python scripts, and the five things that should be at the back of every GIS programmer's mind.
Marco Schwartz
If you already have some experience with LabVIEW and want to apply your skills to control physical objects and make measurements using the Arduino sensor, this book is for you. Prior knowledge of Arduino and LabVIEW is essential to fully understand the projects detailed in this book.
Programming Excel with Office Scripts. Straight to the Point
MrExcel's Holy Macro! Books, Eduardo N. Sanchez
This book guides readers through the fundamentals of automating Excel using Office Scripts, TypeScript, and Power Automate. It starts by introducing scripting basics and gradually explores how to manipulate Excel data, tables, and charts programmatically. The progression from core coding concepts to applied automation ensures clarity for those new to scripting.Readers will gain confidence in building scripts that handle repetitive Excel tasks, automate workflows through Power Automate, and apply programming logic to optimize efficiency. Each chapter introduces practical examples and progressively builds toward creating complete automation pipelines that connect data manipulation, visualization, and workflow execution.By the end, readers will be equipped to design intelligent automation routines that blend Excel’s familiar interface with the flexibility of TypeScript, enabling smarter, faster, and more efficient business operations across the Microsoft 365 environment.
Mercury Learning and Information, William McAllister, S....
This Java-based book is designed for beginning programmers, using game programming as a central tool to enhance student engagement and learning outcomes. The new edition updates GUI interface chapters from Swing to FX-based programs. The game programming integration does not compromise the traditional programming material, allowing instructors unfamiliar with game programming to leverage its pedagogical benefits. The book assumes no prior programming experience.Starting with an introduction, the course progresses through variables, input/output, calculations, methods, classes, objects, boolean expressions, and decision-making. It then covers loops, arrays, advanced object-oriented concepts, inheritance, recursion, and exceptions. The latter part focuses on graphical user interfaces, generics, the API collection framework, multithreading, and concurrency.By the end of the course, students will have a comprehensive understanding of Java programming, enhanced by practical game programming applications. This approach not only makes learning more engaging but also provides a solid foundation for more advanced Java programming concepts.
Programming Fundamentals Using MATLAB. Master the Basics and Beyond of MATLAB Programming
Mercury Learning and Information, Michael Weeks
This book introduces MATLAB syntax and environment, ideal for beginners with no programming background. The first four chapters cover basic programming concepts, computing terminology, MATLAB syntax, control structures, operators, arrays, and matrices. Next, the book explores grouping data, working with files, creating images, building graphical user interfaces, experimenting with sound, and debugging. The final chapters present case studies on using MATLAB with tools like Arduino, Linux, Git, and Mex, essential for basic programming knowledge.Understanding MATLAB is crucial for data analysis and technical computing. This book transitions readers from basics to advanced topics, blending theoretical knowledge with practical applications. Companion files with code and four-color figures enhance learning, making this an essential resource for mastering MATLAB.
Simaranjit Singh Bhalla, SrinivasMadhav Gorthi
Programming in C# is a certification from Microsoft that measures the ability of developers to use the power of C# in decision making and creating business logic. This book is a certification guide that equips you with the skills that you need to crack this exam and promote your problem-solving acumen with C#.The book has been designed as preparation material for the Microsoft specialization exam in C#. It contains examples spanning the main focus areas of the certification exam, such as debugging and securing applications, and managing an application's code base, among others. This book will be full of scenarios that demand decision-making skills and require a thorough knowledge of C# concepts. You will learn how to develop business logic for your application types in C#. This book is exam-oriented, considering all the patterns for Microsoft certifications and practical solutions to challenges from Microsoft-certified authors.By the time you've finished this book, you will have had sufficient practice solving real-world application development problems with C# and will be able to carry your newly-learned skills to crack the Microsoft certification exam to level up your career.
Programming Kotlin. Get to grips quickly with the best Java alternative
Stephen Samuel, Stefan Bocutiu
Quickly learn the fundamentals of the Kotlin language and see it in action on the web. Easy to follow and covering the full set of programming features, this book will get you fluent in Kotlin for Android.
Antonios Chalkiopoulos
This book is an easy-to-understand, practical guide to designing, testing, and implementing complex MapReduce applications in Scala using the Scalding framework. It is packed with examples featuring log-processing, ad-targeting, and machine learning.This book is for developers who are willing to discover how to effectively develop MapReduce applications. Prior knowledge of Hadoop or Scala is not required; however, investing some time on those topics would certainly be beneficial.
Marije Brummel, David Studebaker, Christopher D. Studebaker
Microsoft Dynamics 365 Business Central is a full ERP business solution suite with a robust set of development tools to support customization and enhancement. These tools can be used to tailor Business Central's in-built applications to support complete management functions for finance, supply chain, manufacturing, and operations.Using a case study approach, this book will introduce you to Dynamics 365 Business Central and Visual Studio Code development tools to help you become a productive Business Central developer. You'll also learn how to evaluate a product's development capabilities and manage Business Central-based development and implementation. You'll explore application structure, the construction of and uses for each object type, and how it all fits together to build apps that meet special business requirements.By the end of this book, you'll understand how to design and develop high-quality software using the Visual Studio Code development environment, the AL language paired with the improved editor, patterns, and features.
Marije Brummel, Natalie Karolak, Christopher D. Studebaker,...
Business Central opens a world of endless possibilities for custom business logic and functionality through extensions and customizations. For beginners in the AL language, navigating the vast landscape can feel overwhelming. It’s challenging to know where to start and what’s essential to learn. This updated edition offers a concise and well-organized guide, featuring hands-on exercises to support a successful learning journey.You’ll get to grips with the basics of Business Central and how to create your first Visual Studio Code project with the AL language. As you learn about the table data structure, simple and complex data types, relationships, validation, and data flow, you’ll be able to add and extend tables to your project. Progressively, you'll uncover the intricacies of user interfaces with pages, create advanced Excel report layouts, and harness the power of data queries. Immersing yourself in the AL language syntax, you’ll start with variables, methods, procedures, and statements. You'll explore advanced topics to create business logic such as FlowFields, filtering, CRUD methods, interactions between object types, and different API interfaces that can be created using the AL language.By the end of this book, you’ll be equipped to build fully featured, robust extensions and custom capabilities for Business Central.
David Studebaker
Microsoft Dynamics NAV is a well established Enterprise Resource Planning (ERP) application, part of the Microsoft Dynamics family. Dynamics NAV is installed worldwide, with well over one million users. Version 2009 contains many major new features and structures, requiring even experienced Dynamics NAV developers to refresh their NAV development knowledge.Renowned for its challenging learning curve, Dynamics NAV is a complex piece of software with a unique design structure. For developers learning to modify or enhance Dynamics NAV for vital business purposes, the task can sometimes be intimidating.This book is an in-depth step-by-step guide to programming NAV, designed to ease you through the complexities of NAV application development. You will learn the skills and develop the confidence to tackle your own critical NAV applications. This book will act as your experienced NAV programming mentor, helping you to become productive as a NAV developer much more quickly.NAV development is quite complex, with a steep learning curve. This book makes it easy for you. From basic NAV terminology and concept definitions, through the essential building blocks of NAV data structure and objects, you will gain an understanding of the fundamental underlying concepts of NAV. You will learn practical details about NAV object construction and the tools available, including table, page, and report design. You will learn how to use NAV's tools to effectively navigate through the various features of objects, including properties, triggers, and C/AL code, and receive practical guidance on ways to develop and test in the unique NAV C/SIDE development environment.Extensive guidance on software design for NAV is provided along with tips for efficient design of new NAV applications or enhancing existing applications. With its comprehensive collection of NAV information and distillation of years of NAV development experience, this book is not only designed to help you learn, but to act as a reference as well.
David Studebaker, Christopher D. Studebaker
Microsoft Dynamics NAV 2013 is a complete and robust ERP system that is accompanied by a comprehensive set of development tools. You will learn how to master these tools and tailor Microsoft Dynamics NAV 2013 to meet your customer's specific business needs.Programming Microsoft Dynamics® NAV 2013 will lead you from start to finish, teaching you how to use this incredible ERP software whilst simultaneously making you a more productive developer. You'll learn how to implement your solutions, as well as evaluating, managing and appraising Dynamics NAV 2013 productions and projects.You will be empowered with the skills and knowledge that you need to get the job done and exceed your client's expectations. Step by step, you will learn how to use NAV, master the C/AL programming language, as well as the construction and uses of each object type. Ultimately, you will be able to bring your NAV 2013 solution together with fantastic efficiency.Hands-on development examples and additional material teach you by example and uncover the insider knowledge that only years of experience can provide, truly unleashing your productivity and potential.
David Studebaker
This book is targeted at those who want to learn NAV's powerful and extensive built-in development capabilities. It assumes that you understand programming and are familiar with business application software.
Marije Brummel, David Studebaker, Christopher D. Studebaker
Microsoft Dynamics NAV is a full business solution suite, and a complete ERP solution that contains a robust set of development tools to support customization and enhancement. These tools provide greater control over financials and can simplify supply chain, manufacturing, and operations.This book will take you from an introduction to Dynamics NAV and its integrated development tools to being a productive developer in the Dynamics NAV Development Environment. You will find this book very useful if you want to evaluate the product's development capabilities or need to manage Dynamics NAV based projects. It will teach you about the NAV application structure, the C/SIDE development environment, the C/AL language paired with the improved editor, the construction and uses of each object type, and how it all fits together to build universal applications. With this new edition, you will be able to understand how to design and develop using Patterns and new features such as Extensions and Events.
Rheinwerk Publishing, Inc, Dr. Joachim Steinwendner, Dr....
This book offers a comprehensive guide to understanding and programming neural networks and deep learning. Starting with the basics, readers will learn how to build neural networks using Python and TensorFlow. By the end, they’ll master key algorithms and techniques to apply them to real-world machine learning challenges. The book walks through the development of simple perceptrons and progresses to complex multilayer networks, showing how deep learning methods work in practice. The evolution of neural networks is explored, from the origins of artificial neurons to cutting-edge deep learning architectures. Along the way, readers will learn about the different types of neural networks, including convolutional and transformer networks. The book also delves into optimization techniques like gradient descent and backpropagation. Hands-on coding exercises ensure practical learning, preparing readers to implement neural networks for tasks like image recognition, natural language processing, and data classification. By the end of the book, readers will be equipped to apply neural networks to solve diverse AI problems effectively.
MrExcel's Holy Macro! Books, Eduardo N Sanchez
This book dives deep into the world of PowerPoint VBA with this practical guide. Starting with basic operations, the book moves through advanced automation techniques, covering themes, layouts, and animations. Readers will learn to craft professional-grade presentations, create interactive quizzes, and integrate PowerPoint with other Office apps, while mastering VBA essentials.This book provides a comprehensive introduction to PowerPoint VBA, enabling readers to apply programming concepts to automate repetitive tasks, enhance presentations, and build creative visual effects. With real-world projects and practical code examples, the book helps readers gain confidence in customizing PowerPoint features.Whether you're creating professional reports, interactive presentations, or seamless Office integrations, this guide ensures you stay ahead with advanced VBA techniques, enabling you to transform your PowerPoint workflow.
Matthew Whiteside
Programming Puzzles is a meticulously crafted collection designed to elevate your coding skills through engaging and challenging exercises. The book begins with a helpful guide on getting started, ensuring that readers are well-prepared to tackle the puzzles ahead. As you delve deeper, you'll encounter a series of challenge puzzles that test your logical thinking and problem-solving abilities, followed by fun puzzles that offer a more relaxed yet equally rewarding experience.Hints are provided for the challenge puzzles to guide you through particularly tough spots, ensuring you stay motivated without giving away the solutions. Once you've worked through the puzzles, comprehensive solutions are provided, allowing you to understand different approaches and learn from your mistakes. Each section of the book is designed to progressively build your skills, from basic logic to advanced problem-solving techniques, making it an invaluable resource for anyone looking to improve their programming abilities.The journey through this book is not just about finding solutions; it's about developing a deeper understanding of how to approach and solve complex problems. By the end of this book, you'll have honed your coding skills, enhanced your logical thinking, and gained a new appreciation for the art of problem-solving in programming.
Yogesh Chavan
The whole world is moving from desktop computers to smartphones and embedded systems. We are moving towards utilizing Internet of Things (IoT). An exponential rise in the demand for embedded systems and programming in the last few years is driving programmers to use embedded development boards such as Beaglebone. BeagleBone is an ultra-small, cost-effective computer that comes with a powerful hardware. It runs a full-fledged Debian Linux OS and provides numerous electronics solutions. BeagleBone is open source and comes with an Ethernet port, which allows you to deploy IoT projects without any additions to the board. It provides plenty of GPIO, Anlaog pins, and UART, I2C, SPI pins which makes it the right choice to perform electronics projects. This gives you all the benefits of Linux kernel such as multitasking, multiusers, and extensive device driver support. This allows you to do programming in many languages including high-level languages such as JavaScript and Python.This book aims to exploit the hardware and software capabilities of BeagleBone to create real-life electronics and IoT applications quickly. It is divided into two parts. The first part covers JavaScript programs. The second part provides electronics projects and IoT applications in Python.First, you will learn to use BeagleBone as tool to write useful applications on embedded systems. Starting with the basics needed to set up BeagleBone and the Cloud9 IDE, this book covers interfacing with various electronics components via simple programs. The electronics theory related to these components is then explained in depth before you use them in a program. Finally, the book helps you create some real-life IoT applications.