1. The document discusses RESTful APIs and gRPC, comparing their characteristics and use cases.
2. RESTful APIs typically use HTTP and JSON to access resources via URLs while gRPC uses protocol buffers and HTTP/2 for efficient streaming and RPC.
3. gRPC is better suited for microservices and mobile apps due to its ability to handle streaming and performance, while REST is more widely used due to its simplicity and support in most languages.
This document describes how to configure Spring Security for authentication and authorization in a web application. It defines a WebSecurityConfig class that configures HTTP security with roles like OWNER and MANAGER for access control. It also defines a UserDetailsManager service for loading users and a User entity class implementing UserDetails. Tests are shown for security configuration, login, access control and more using Spring Security's test utilities.
This document summarizes a microservices meetup hosted by @mosa_siru. Key points include:
1. @mosa_siru is an engineer at DeNA and CTO of Gunosy.
2. The meetup covered Gunosy's architecture with over 45 GitHub repositories, 30 stacks, 10 Go APIs, and 10 Python batch processes using AWS services like Kinesis, Lambda, SQS and API Gateway.
3. Challenges discussed were managing 30 microservices, ensuring API latency below 50ms across availability zones, and handling 10 requests per second with nginx load balancing across 20 servers.
This document summarizes updates and changes between Spring Boot 1 and Spring Boot 2, including updates to Gradle, Spring Cloud Config Server, Spring Web, Spring Data, Spring Data JPA, Flyway, testing, and configuration property binding. It provides details on specific changes such as dependency and API changes.
If you build modular app with Spring by importing children contexts into the parent ones, you face the limitations quite soon. The next step obviously, is approaching overweight OSGi. Isn't there something between these two extremes, which powerful enough and still light yet? Sure! Meet Banshun! Easy modularity for Spring.
Banshun allows to instantiate children contexts in a proper order considering declared references between singletons across the contexts.
1. The document discusses RESTful APIs and gRPC, comparing their characteristics and use cases.
2. RESTful APIs typically use HTTP and JSON to access resources via URLs while gRPC uses protocol buffers and HTTP/2 for efficient streaming and RPC.
3. gRPC is better suited for microservices and mobile apps due to its ability to handle streaming and performance, while REST is more widely used due to its simplicity and support in most languages.
This document describes how to configure Spring Security for authentication and authorization in a web application. It defines a WebSecurityConfig class that configures HTTP security with roles like OWNER and MANAGER for access control. It also defines a UserDetailsManager service for loading users and a User entity class implementing UserDetails. Tests are shown for security configuration, login, access control and more using Spring Security's test utilities.
This document summarizes a microservices meetup hosted by @mosa_siru. Key points include:
1. @mosa_siru is an engineer at DeNA and CTO of Gunosy.
2. The meetup covered Gunosy's architecture with over 45 GitHub repositories, 30 stacks, 10 Go APIs, and 10 Python batch processes using AWS services like Kinesis, Lambda, SQS and API Gateway.
3. Challenges discussed were managing 30 microservices, ensuring API latency below 50ms across availability zones, and handling 10 requests per second with nginx load balancing across 20 servers.
This document summarizes updates and changes between Spring Boot 1 and Spring Boot 2, including updates to Gradle, Spring Cloud Config Server, Spring Web, Spring Data, Spring Data JPA, Flyway, testing, and configuration property binding. It provides details on specific changes such as dependency and API changes.
If you build modular app with Spring by importing children contexts into the parent ones, you face the limitations quite soon. The next step obviously, is approaching overweight OSGi. Isn't there something between these two extremes, which powerful enough and still light yet? Sure! Meet Banshun! Easy modularity for Spring.
Banshun allows to instantiate children contexts in a proper order considering declared references between singletons across the contexts.
The document discusses dynamic programming in Web Dynpro. Key points covered include:
1. Dynamic modifications can be made to the context structure and UI element hierarchy at runtime through techniques like dynamic context manipulation, UI manipulation, and assigning actions to UI elements.
2. Circumstances where dynamic modifications are needed include when the data structure is unknown until runtime or for generic, reusable components.
3. The wdDoModifyView method allows direct access to UI elements and is where dynamic UI creation occurs.
4. Dynamic modifications involve creating context and UI element metadata at runtime through API methods and binding elements together through techniques like populating context nodes with data.
The document discusses the basic concept of Inversion of Control (IOC) and how to implement it using the Spring Framework. It explains that Spring is lightweight, non-intrusive, and uses IOC to achieve loose coupling between application components. It then covers factory patterns, dependency injection, and how to configure the Spring container to manage beans and their dependencies. Code examples are provided to demonstrate implementing IOC without and with Spring to reduce tightly coupled relationships between classes.
The document summarizes key concepts about the Spring framework including dependency injection, XML configuration, annotations, bean scopes, and common Spring projects. It provides an agenda for a talk on Spring core concepts, dependencies, issues it addresses, important dates in Spring's history, and steps to run a sample Spring application from GitHub.
This document discusses Spring Boot and how it provides automatic configuration for common web application functionalities like JPA, security, and Spring MVC. It also covers how Spring Boot uses starter dependencies to select libraries automatically and provides tools like the CLI and Spring Initializr. The document then demonstrates creating a basic Spring Boot application and discusses testing Spring Boot applications using techniques like mocking Spring MVC and integrating tests.
This document provides an overview of using Gradle to automate JavaScript application assembly, minification, and deployment tasks. It discusses installing Gradle and relevant plugins, writing a Gradle script to define tasks for combining JS files, minifying with Closure Compiler, and deploying the minified file to FTP. Examples are given for setting up the Gradle script with the necessary inputs, outputs, and dependencies between tasks. The benefits of automating these repetitive tasks with Gradle are highlighted.
This document discusses different factory patterns, including simple factory method, factory pattern, and abstract factory pattern. It uses examples of a pizza shop and image editor to illustrate how the factory patterns can isolate clients from concrete product classes and allow flexible selection of products. The factory patterns define interfaces for creating objects but let subclasses determine which class to instantiate. This improves flexibility and reduces coupling between the creator and concrete products.
The document provides an overview of workflows in XPages, including:
1) It describes different types of workflows (ad hoc and managed), a workflow context abstraction, and XPages common controls.
2) It outlines design goals like making workflows easy to use for simple cases but customizable for complex cases, and ensuring a pluggable architecture.
3) It introduces a sample employee review application to demonstrate setting up and running a simple approval workflow between employees and managers.
Serverless in production, an experience report (LNUG)Yan Cui
AWS Lambda has changed the way we deploy and run software, but this new serverless paradigm has created new challenges to old problems - how do you test a cloud-hosted function locally? How do you monitor them? What about logging and config management? And how do we start migrating from existing architectures?
In this talk Yan and Scott will discuss solutions to these challenges by drawing from real-world experience running Lambda in production and migrating from an existing monolithic architecture.
This document provides an overview of testing with Behat, a behavior-driven development framework for PHP. It discusses how Behat allows writing tests focused on describing features and behaviors using a domain-specific language. Key points include how Behat scenarios map to executable acceptance criteria, how contexts are used to define step implementations, and how Behat can be integrated with browser automation tools like Mink and Selenium to test web applications. The document also provides examples of running Behat tests against external APIs and refactoring code based on test results.
Kostiantyn Yelisavenko "Mastering Macro Benchmarking in .NET"LogeekNightUkraine
This document discusses macro vs micro benchmarking in .NET. It defines macro benchmarking as measuring the performance of whole applications or parts of applications from a user's perspective, while micro benchmarking involves repeatable measurement of specific sections of code isolated from virtual machine effects. The document also covers topics like when optimization is needed, profiling tools available for .NET like dotTrace and dotMemory, and concludes that profiling can help identify performance bottlenecks and memory leaks, and forecast potential performance gains.
Serverless in Production, an experience report (cloudXchange)Yan Cui
This document provides advice on preparing serverless applications for production based on the author's experience deploying 170 Lambda functions to production. It covers important areas to consider like testing at the unit, integration, and acceptance levels; setting up CI/CD pipelines; monitoring, logging, and alerting; distributed tracing; security; and configuration management. The author emphasizes the importance of testing end-to-end without mocking external services, setting up production-ready monitoring and metrics dashboards, and choosing deployment frameworks that are tried and tested.
This document provides an overview of aspect-oriented programming (AOP) and various AOP implementations. It begins with an introduction to AOP concepts like cross-cutting concerns. It then discusses the AOP frameworks AspectJ and Spring AOP, covering their pointcut and advice anatomy. The document also examines how AOP can be used for code coverage, benchmarks, improved compilation, and application monitoring. It analyzes implementations like JaCoCo, JMH, HotswapAgent, and AppDynamics as examples.
Testing Eclipse GUIs still is an elaborate and extensive task. There are two ways to get the task done: Record-and-play and programming by hand. Test-first programmers usually prefer to program their tests by hand instead of using record-and-play tools, which are typically used by test departments that construct large functional test suites.
When programming UI tests by hand, the programmer is let alone mainly with SWT Robots. While they are great tools to find and use widgets, they naturally can't find their controllers like the the JFace Viewers and the Workbench ViewParts. In test-first development this becomes a problem because the programming level for test and productive code is at a different abstraction level.
Matthias Kempka has found a way to implement a JFace/Workbench Robot. It finds JFace Viewers for SWT elements and eases the testing with views and editors. Declarative UI Elements become accessible for programmed tests. In his talk Matthias Kempka shows how he uses the JFace/Workbench Robot to develop GUI components in Eclipse test-driven and gives an introduction to the key ideas that make the Robot work.
How can we avoid misunderstanding, save time and meet business requirements from customers? How can we apply smoothly in the working process? Let's get the right thing at the beginning!
JOHN HUMPHREYS VP OF ENGINEERING INFRASTRUCTURE SYSTEMS, NOMURA
Spring Boot is a modern and extensible development framework that aims (and succeeds!) to take as much pain as possible out of developing with Java. With just a few Maven dependencies, new or existing programs become runnable, init.d-compliant uber-JARs or uber-WARs with embedded web-servers and virtually zero-configuration, code or otherwise. As an added freebie, Spring Boot Actuator will provide your programs with amazing configuration-free production monitoring facilities that let you have RESTFUL endpoints serving live stack-traces, heap and GC statistics, database statuses, spring-bean definitions, and password-masked configuration file audits.
Javaland 2017: "You´ll do microservices now". Now what?André Goliath
The slides for my talk at JavaLand 2017. Note: The slides are in english, only the title is german. The talk is all about do's and dont's in microservice landscapes.
This presentation explores code comprehension challenges in scientific programming based on a survey of 57 research scientists. It reveals that 57.9% of scientists have no formal training in writing readable code. Key findings highlight a "documentation paradox" where documentation is both the most common readability practice and the biggest challenge scientists face. The study identifies critical issues with naming conventions and code organization, noting that 100% of scientists agree readable code is essential for reproducible research. The research concludes with four key recommendations: expanding programming education for scientists, conducting targeted research on scientific code quality, developing specialized tools, and establishing clearer documentation guidelines for scientific software.
Presented at: The 33rd International Conference on Program Comprehension (ICPC '25)
Date of Conference: April 2025
Conference Location: Ottawa, Ontario, Canada
Preprint: https://arxiv.org/abs/2501.10037
TestMigrationsInPy: A Dataset of Test Migrations from Unittest to Pytest (MSR...Andre Hora
Unittest and pytest are the most popular testing frameworks in Python. Overall, pytest provides some advantages, including simpler assertion, reuse of fixtures, and interoperability. Due to such benefits, multiple projects in the Python ecosystem have migrated from unittest to pytest. To facilitate the migration, pytest can also run unittest tests, thus, the migration can happen gradually over time. However, the migration can be timeconsuming and take a long time to conclude. In this context, projects would benefit from automated solutions to support the migration process. In this paper, we propose TestMigrationsInPy, a dataset of test migrations from unittest to pytest. TestMigrationsInPy contains 923 real-world migrations performed by developers. Future research proposing novel solutions to migrate frameworks in Python can rely on TestMigrationsInPy as a ground truth. Moreover, as TestMigrationsInPy includes information about the migration type (e.g., changes in assertions or fixtures), our dataset enables novel solutions to be verified effectively, for instance, from simpler assertion migrations to more complex fixture migrations. TestMigrationsInPy is publicly available at: https://github.com/altinoalvesjunior/TestMigrationsInPy.
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Microsoft AI Nonprofit Use Cases and Live Demo_2025.04.30.pdfTechSoup
In this webinar we will dive into the essentials of generative AI, address key AI concerns, and demonstrate how nonprofits can benefit from using Microsoft’s AI assistant, Copilot, to achieve their goals.
This event series to help nonprofits obtain Copilot skills is made possible by generous support from Microsoft.
What You’ll Learn in Part 2:
Explore real-world nonprofit use cases and success stories.
Participate in live demonstrations and a hands-on activity to see how you can use Microsoft 365 Copilot in your own work!
Meet the Agents: How AI Is Learning to Think, Plan, and CollaborateMaxim Salnikov
Imagine if apps could think, plan, and team up like humans. Welcome to the world of AI agents and agentic user interfaces (UI)! In this session, we'll explore how AI agents make decisions, collaborate with each other, and create more natural and powerful experiences for users.
Landscape of Requirements Engineering for/by AI through Literature ReviewHironori Washizaki
Hironori Washizaki, "Landscape of Requirements Engineering for/by AI through Literature Review," RAISE 2025: Workshop on Requirements engineering for AI-powered SoftwarE, 2025.
How can one start with crypto wallet development.pptxlaravinson24
This presentation is a beginner-friendly guide to developing a crypto wallet from scratch. It covers essential concepts such as wallet types, blockchain integration, key management, and security best practices. Ideal for developers and tech enthusiasts looking to enter the world of Web3 and decentralized finance.
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Adobe Master Collection CC (Creative Cloud) is a comprehensive subscription-based package that bundles virtually all of Adobe's creative software applications. It provides access to a wide range of tools for graphic design, video editing, web development, photography, and more. Essentially, it's a one-stop-shop for creatives needing a broad set of professional tools.
Key Features and Benefits:
All-in-one access:
The Master Collection includes apps like Photoshop, Illustrator, InDesign, Premiere Pro, After Effects, Audition, and many others.
Subscription-based:
You pay a recurring fee for access to the latest versions of all the software, including new features and updates.
Comprehensive suite:
It offers tools for a wide variety of creative tasks, from photo editing and illustration to video editing and web development.
Cloud integration:
Creative Cloud provides cloud storage, asset sharing, and collaboration features.
Comparison to CS6:
While Adobe Creative Suite 6 (CS6) was a one-time purchase version of the software, Adobe Creative Cloud (CC) is a subscription service. CC offers access to the latest versions, regular updates, and cloud integration, while CS6 is no longer updated.
Examples of included software:
Adobe Photoshop: For image editing and manipulation.
Adobe Illustrator: For vector graphics and illustration.
Adobe InDesign: For page layout and desktop publishing.
Adobe Premiere Pro: For video editing and post-production.
Adobe After Effects: For visual effects and motion graphics.
Adobe Audition: For audio editing and mixing.
Mastering Fluent Bit: Ultimate Guide to Integrating Telemetry Pipelines with ...Eric D. Schabell
It's time you stopped letting your telemetry data pressure your budgets and get in the way of solving issues with agility! No more I say! Take back control of your telemetry data as we guide you through the open source project Fluent Bit. Learn how to manage your telemetry data from source to destination using the pipeline phases covering collection, parsing, aggregation, transformation, and forwarding from any source to any destination. Buckle up for a fun ride as you learn by exploring how telemetry pipelines work, how to set up your first pipeline, and exploring several common use cases that Fluent Bit helps solve. All this backed by a self-paced, hands-on workshop that attendees can pursue at home after this session (https://o11y-workshops.gitlab.io/workshop-fluentbit).
Why Orangescrum Is a Game Changer for Construction Companies in 2025Orangescrum
Orangescrum revolutionizes construction project management in 2025 with real-time collaboration, resource planning, task tracking, and workflow automation, boosting efficiency, transparency, and on-time project delivery.
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FL Studio is a Digital Audio Workstation (DAW) software used for music production. It's developed by the Belgian company Image-Line. FL Studio allows users to create and edit music using a graphical user interface with a pattern-based music sequencer.
Discover why Wi-Fi 7 is set to transform wireless networking and how Router Architects is leading the way with next-gen router designs built for speed, reliability, and innovation.
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"YouTube by Click" likely refers to the ByClick Downloader software, a video downloading and conversion tool, specifically designed to download content from YouTube and other video platforms. It allows users to download YouTube videos for offline viewing and to convert them to different formats.
Societal challenges of AI: biases, multilinguism and sustainabilityJordi Cabot
Towards a fairer, inclusive and sustainable AI that works for everybody.
Reviewing the state of the art on these challenges and what we're doing at LIST to test current LLMs and help you select the one that works best for you
Exploring Wayland: A Modern Display Server for the FutureICS
Wayland is revolutionizing the way we interact with graphical interfaces, offering a modern alternative to the X Window System. In this webinar, we’ll delve into the architecture and benefits of Wayland, including its streamlined design, enhanced performance, and improved security features.
16. 【余談】Spring Securityとサービスのテスト
• Spring Securityを使ったプロジェクトで以下のテスト
を実行するとエラーが発生する
16
・・・WebSecurityConfiguration required a bean named 'A Bean named
mvcHandlerMappingIntrospector ・・・
@SpringBootTest(webEnvironment = WebEnvironment.NONE)
public class FooServiceTest {
・・・
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
・・・
Spring Securityの内部でSpring MVCの
Beanを使っているが、Spring MVCのコ
ンフィグレーションがされてないので
Beanが見つからずエラーになる
17. 【余談】Spring Securityとサービスのテスト つづき
• Spring SecurityをコンフィグレーションするJavaConfig
クラスに、@ConditionalOnWebApplicationを付ける
ことで解決
17
@ConditionalOnWebApplication
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
・・・
【参考】
https://github.com/spring-projects/spring-boot/issues/12034#issuecomment-365458642
18. @ConditonalOnXxxの活用
• @ConditonalOnXxxを自分たちで使うことも可能
• 例:
• ただし、@ConditionalOnBean, @ConditionalOnMissingBeanについ
ては、Bean定義を読込む順番次第で動きが変わるので注意
18
@ConditionalOnProperty(name = "sql-log.enabled", havingValue = "true")
@Component
public class SqlLogger {
・・・
@Configuration
public class Foo1Config {
・・・
@Configuration
@ConditionalOnBean(Foo1Config.class)
public class Foo2Config {
・・・
@Configuration
@Import({Foo2Config.class, Foo1Config.class})
public class MyConfig {
・・・ Foo2Configが有効にならない