The Real World - Plugging the Enterprise Into It (nodejs)Aman Kohli
This document discusses using Node.js as the foundation for building applications that connect the physical world to enterprise systems through mobile devices and sensors. It describes initial work done to build a proxy and protocol for handling requests and addresses challenges with authentication, scalability, and performance testing. The document shares results from benchmarking the system under different network conditions and outlines next steps to improve concurrency, security, and infrastructure elasticity.
Learn from the successes and failures PayPal has had giving developers the freedom to choose their own destiny and tools while building applications. Jeff Harrell and his team began the process with the adoption of node.js and have since scaled the concept to many hundreds of developers running over a hundred production applications. Use cases specifically cover node.js, react, angular, and dust.
Node.js Anti-Patterns and bad practicesIgor Soarez
Talk delivered at Node.js Live Paris http://live.nodejs.org/events/paris.html
As Node continues to go from strength to strength, being widely adopted not only within the startup community but more and more by the Enterprise community, a number of anti-patterns are beginning to emerge. This talk focuses on the strengths of JavaScript in the Enterprise by trying to isolate the anti-patterns that are slowly beginning to emerge.
This document discusses node.js production site architecture. It begins with an introduction to Ben Lin and his work with node.js projects. The rest of the document outlines best practices for running node.js in production, including using services like Monit and Forever to monitor node processes, using Nginx for load balancing and static file serving, scaling node.js applications by splitting components across multiple servers, and deploying node.js applications with tools like SSH, Git, AWS, and Heroku. The document concludes with some tips for configuring file limits and handling uncaught exceptions in node.js.
This document provides an introduction to Node.js, including why to use it, how its asynchronous and event-driven architecture works, and some of its core features like the event loop, callbacks, streams, and clustering. It discusses how Node.js is well-suited for real-time applications due to its non-blocking I/O model. It also provides examples of using core Node.js features at an e-commerce company.
Its a presentation about node.js. Here I have covered the basic things of node.js. Like what is node.js how it can be used. and explanation about some node.js frameworks
Server-Side JavaScript with Nashorn
Nashorn is a JavaScript engine that runs on the Java Virtual Machine (JVM), allowing for server-side JavaScript. It provides full ECMAScript 5.1 compliance and interoperability with Java libraries and frameworks. Nashorn performance is improving with recent Java updates and will soon reach near-native levels, making the JVM a platform for high-performance dynamic languages like JavaScript on the server-side.
The document outlines the agenda for a presentation on Node.js, which includes defining what Node.js is, how it works, examples of its use, how to learn Node.js, and what problems it is well-suited to solve. Key points are that Node.js is a JavaScript runtime built on Chrome's V8 engine, uses non-blocking I/O, and is well-suited for building microservices and real-time applications that require high throughput and scalability. Recommended resources for learning more include nodeschool.io, codewars.com, and nodeup.com.
Mobile Library Development - stuck between a pod and a jar file - Zan Markan ...Codemotion
Isaac Newton, the father of modern software engineering, called it “Standing on the shoulders of giants”. Modern development is exciting as it gets easier and easier, partly because of the wealth of resources available at our fingertips. One category of these resources are libraries, SDKs, and frameworks. This talk will be a guide into the considerations that go into building a library for both iOS/Swift and Java/Android. We will be taking cues from both my personal experience, as well as from studying how the leaders in the field do it.
Zepto and the rise of the JavaScript Micro-FrameworksThomas Fuchs
The document discusses nano and pico frameworks for mobile JavaScript development. It highlights advantages of micro-frameworks like Zepto.js over larger frameworks, including smaller file size for faster loading, using native browser features instead of duplicating functionality, and focusing on the most common use cases. The document promotes micro-frameworks for mobile as they are lightweight, modular, and optimize for key tasks on resource-constrained devices.
React Native is a framework for building native mobile apps using JavaScript and React. It was created in 2013 and allows building iOS and Android apps with the same code base using a component-based and unidirectional data flow approach. The core team consists of native iOS and Android developers, and it aims to provide a faster development process than building separate apps for each platform from scratch. React Native uses a JavaScript runtime to render UI components to native mobile components without using HTML.
Building web apps with node.js, socket.io, knockout.js and zombie.js - Codemo...Ivan Loire
Node.js is a JavaScript runtime built on Chrome's V8 engine that is lightweight and efficient for building fast web applications. It allows single-threaded, event-driven programming that is ideal for I/O intensive applications like web servers. The document discusses why Node.js is exciting for developers, how it works asynchronously using callbacks, and how frameworks like Express.js help build full-featured web applications with Node.js.
This document discusses building scalable network applications using Node.js. It begins with an introduction to Node.js, describing it as a software platform built on the Chrome V8 engine for building scalable applications using JavaScript on the server side. It then discusses why to use Node.js, noting that its single-threaded and event-driven model avoids issues with memory usage that can occur in multi-threaded models. The document proceeds to explain event loops and non-blocking I/O in Node.js. It then provides an example of building a simple web server with Node.js. Finally, it introduces Express.js and provides an overview of how to structure an Express application using MVC patterns with models, views,
This document provides an introduction to Node.js web development. It discusses Node.js basics including its asynchronous, non-blocking architecture. It also covers building a simple web app with Express, MongoDB, and Jade. Tools for bundling assets like Grunt and unit testing with Mocha are described. Sample code demonstrates basic routing, database queries, templating, and unit tests. Contact information and GitHub repos are provided to learn more.
Webinar - Matteo Manchi: Dal web al nativo: Introduzione a React Native Codemotion
Con la stessa potenza con cui React ha conquistato lo sviluppo front-end, React Native sta esplodendo nel mondo dello sviluppo mobile. In questo webinar vedremo le basi di questo framework, che ha avvicinato sia sviluppatori mobile che web, e come iniziare subito a sviluppare un'applicazione nativa in JavaScript.
This document provides an overview and summary of a Node.js workshop presented by Tom Hughes-Croucher. The workshop covers:
1. Why use server-side JavaScript and how Node.js enables this through its event-driven and non-blocking architecture.
2. An introduction to Node.js, including how to install Node.js and build basic HTTP servers.
3. More advanced Node.js topics like modules, events, streams, debugging, and popular frameworks like Express.js.
4. Exercises are provided to help attendees get hands-on experience building Node.js applications.
Node.js is a server-side JavaScript platform built on Google's V8 engine. It is non-blocking and asynchronous, making it suitable for data-intensive real-time applications. The document discusses how to install Node.js and its dependencies on Ubuntu, introduces key Node.js concepts like events and the event loop, and provides examples of popular Node.js packages and use cases.
Vaidik Kapoor presented on using message queues and task queues to improve the responsiveness of web applications. He discussed how queues can be used to offload processing tasks from the main request-response cycle to improve user experience. Some key points included:
- Message queues like RabbitMQ and Redis with libraries like HotQueue and PyRes can be used to asynchronously process tasks like data/media processing and cache updates.
- Celery is a popular task queue library that uses RabbitMQ and supports many frameworks. It allows distributing and managing cron-like tasks reliably.
- Proper integration of task processing with user interfaces is important using techniques like notifications, flashes, and polling to update users.
NodeJS is an event-driven JavaScript platform for building real-time web applications. It was first released in 2009 and excels at tasks that require interaction with the website like chat applications or location tracking, but is not well-suited for CPU intensive tasks. NodeJS uses an event loop, callbacks, and threads managed by a scheduler to run code asynchronously and handle multiple requests concurrently without blocking. Developers should change their code to an asynchronous programming style when using NodeJS, which is well-suited for IO heavy applications but not CPU heavy applications. Dependencies and applications can be installed via the Node Package Manager (NPM).
The document discusses Node.js, including what it is, its benefits, use cases, and readiness for enterprise use. Node.js is an event-driven, non-blocking I/O model that is well-suited for building scalable web applications with real-time features but not CPU-intensive batch processes. It promotes fast development with smaller codebases and is widely adopted by enterprises. The document also covers Node.js application architecture, database support, development tools, deployment practices, and strategies for adoption.
Node.js allows JavaScript to be used for server-side applications by providing asynchronous and event-driven capabilities. It is commonly used for real-time web applications, messaging, and file downloads. Node.js uses a non-blocking paradigm and modules to break code into reusable pieces. Functions in Node.js are often passed as callbacks to handle asynchronous events and data without blocking the server.
Get Hip with JHipster: Spring Boot + AngularJS + Bootstrap - DOSUG February 2016Matt Raible
YouTube of this presentation's JHipster Demo: https://www.youtube.com/watch?v=ZGF4gEM4FuA
Building a modern web (or mobile) application requires a lot of tools, frameworks and techniques. This session shows how JHipster unites popular frameworks like AngularJS, Spring Boot and Bootstrap. Using Yeoman, a scaffolding tool for modern webapps, JHipster will generate a project for you and allow you to use Java 8, SQL or NoSQL databases, Spring profiles, Maven or Gradle, Grunt or Gulp.js, WebSockets and Browsersync. It also supports a number of different authentication mechanisms: classic session-based auth, OAuth 2.0, or JWT authentication.
For cloud deployments, JHipster includes out-of-the-box support for Cloud Foundry and Heroku.
An absolute beginners guide to node.js . Done for a presentation at college. The presentation contains data from various sources ,sources are noted at the end slide. please inform me any mistakes ,since at that time i was in a bit of hurry :)
Ben McCormick gave a presentation on how to save time by testing with Jest. He began with an introduction and explained that Jest is a JavaScript testing framework developed by Facebook that aims to solve common testing problems. He then demonstrated how Jest saves time through fast setup, writing tests quickly using familiar syntax and APIs, running tests in parallel and with a smart watch mode, and providing clear errors to fix tests fast. He concluded with a demo of Jest's features and took questions.
Jruby allows for much higher concurrency than CRuby by leveraging Java's threading capabilities. The document discusses how jruby enables hundreds of threads with low blocking compared to Ruby's GIL limiting to 1-2 cores. Real-world rails apps on jruby can handle over 750 requests per second using 80 threads. Java libraries and tools like VisualVM make debugging and monitoring performance much easier with jruby. While some Ruby gems lack thread-safety, jruby provides alternatives and the situation is improving.
me ranting about the downsides of Spring Boot / Netflix OSS. Sorry that the slides are a little rare on text, so most likely hard to understand without the actual talk. feel free to send me any questions, though!
История одного успешного ".NET" проекта, Александр СугакSigma Software
The document describes an IoT project built using an unconventional technology stack. It discusses the current status quo of typical .NET projects using standard Microsoft technologies. It then presents a case study of an IoT project built using non-standard technologies like F#, Suave, ReactJS, and running on Linux. It outlines the principles used in selecting the technology stack, including preferring less magic frameworks, ensuring predictable and reproducible builds, shortening feedback loops, and focusing on reusable skills and knowledge.
This document discusses techniques for analyzing obfuscated malicious web scripts. It begins by noting some limitations and objectives of the analysis. It then covers common obfuscation techniques used such as minification, visual noise, character encoding, and multiple layers of obfuscation. Methods for deobfuscation without wasting time are presented, such as using beautification tools and writing custom scripts. Specific tools are also highlighted that can aid in deobfuscation, like Didier Stevens tools and JavaScript analysis tools. Lastly, it discusses prevention best practices like keeping systems updated and avoiding unknown links/emails.
Server-Side JavaScript with Nashorn
Nashorn is a JavaScript engine that runs on the Java Virtual Machine (JVM), allowing for server-side JavaScript. It provides full ECMAScript 5.1 compliance and interoperability with Java libraries and frameworks. Nashorn performance is improving with recent Java updates and will soon reach near-native levels, making the JVM a platform for high-performance dynamic languages like JavaScript on the server-side.
The document outlines the agenda for a presentation on Node.js, which includes defining what Node.js is, how it works, examples of its use, how to learn Node.js, and what problems it is well-suited to solve. Key points are that Node.js is a JavaScript runtime built on Chrome's V8 engine, uses non-blocking I/O, and is well-suited for building microservices and real-time applications that require high throughput and scalability. Recommended resources for learning more include nodeschool.io, codewars.com, and nodeup.com.
Mobile Library Development - stuck between a pod and a jar file - Zan Markan ...Codemotion
Isaac Newton, the father of modern software engineering, called it “Standing on the shoulders of giants”. Modern development is exciting as it gets easier and easier, partly because of the wealth of resources available at our fingertips. One category of these resources are libraries, SDKs, and frameworks. This talk will be a guide into the considerations that go into building a library for both iOS/Swift and Java/Android. We will be taking cues from both my personal experience, as well as from studying how the leaders in the field do it.
Zepto and the rise of the JavaScript Micro-FrameworksThomas Fuchs
The document discusses nano and pico frameworks for mobile JavaScript development. It highlights advantages of micro-frameworks like Zepto.js over larger frameworks, including smaller file size for faster loading, using native browser features instead of duplicating functionality, and focusing on the most common use cases. The document promotes micro-frameworks for mobile as they are lightweight, modular, and optimize for key tasks on resource-constrained devices.
React Native is a framework for building native mobile apps using JavaScript and React. It was created in 2013 and allows building iOS and Android apps with the same code base using a component-based and unidirectional data flow approach. The core team consists of native iOS and Android developers, and it aims to provide a faster development process than building separate apps for each platform from scratch. React Native uses a JavaScript runtime to render UI components to native mobile components without using HTML.
Building web apps with node.js, socket.io, knockout.js and zombie.js - Codemo...Ivan Loire
Node.js is a JavaScript runtime built on Chrome's V8 engine that is lightweight and efficient for building fast web applications. It allows single-threaded, event-driven programming that is ideal for I/O intensive applications like web servers. The document discusses why Node.js is exciting for developers, how it works asynchronously using callbacks, and how frameworks like Express.js help build full-featured web applications with Node.js.
This document discusses building scalable network applications using Node.js. It begins with an introduction to Node.js, describing it as a software platform built on the Chrome V8 engine for building scalable applications using JavaScript on the server side. It then discusses why to use Node.js, noting that its single-threaded and event-driven model avoids issues with memory usage that can occur in multi-threaded models. The document proceeds to explain event loops and non-blocking I/O in Node.js. It then provides an example of building a simple web server with Node.js. Finally, it introduces Express.js and provides an overview of how to structure an Express application using MVC patterns with models, views,
This document provides an introduction to Node.js web development. It discusses Node.js basics including its asynchronous, non-blocking architecture. It also covers building a simple web app with Express, MongoDB, and Jade. Tools for bundling assets like Grunt and unit testing with Mocha are described. Sample code demonstrates basic routing, database queries, templating, and unit tests. Contact information and GitHub repos are provided to learn more.
Webinar - Matteo Manchi: Dal web al nativo: Introduzione a React Native Codemotion
Con la stessa potenza con cui React ha conquistato lo sviluppo front-end, React Native sta esplodendo nel mondo dello sviluppo mobile. In questo webinar vedremo le basi di questo framework, che ha avvicinato sia sviluppatori mobile che web, e come iniziare subito a sviluppare un'applicazione nativa in JavaScript.
This document provides an overview and summary of a Node.js workshop presented by Tom Hughes-Croucher. The workshop covers:
1. Why use server-side JavaScript and how Node.js enables this through its event-driven and non-blocking architecture.
2. An introduction to Node.js, including how to install Node.js and build basic HTTP servers.
3. More advanced Node.js topics like modules, events, streams, debugging, and popular frameworks like Express.js.
4. Exercises are provided to help attendees get hands-on experience building Node.js applications.
Node.js is a server-side JavaScript platform built on Google's V8 engine. It is non-blocking and asynchronous, making it suitable for data-intensive real-time applications. The document discusses how to install Node.js and its dependencies on Ubuntu, introduces key Node.js concepts like events and the event loop, and provides examples of popular Node.js packages and use cases.
Vaidik Kapoor presented on using message queues and task queues to improve the responsiveness of web applications. He discussed how queues can be used to offload processing tasks from the main request-response cycle to improve user experience. Some key points included:
- Message queues like RabbitMQ and Redis with libraries like HotQueue and PyRes can be used to asynchronously process tasks like data/media processing and cache updates.
- Celery is a popular task queue library that uses RabbitMQ and supports many frameworks. It allows distributing and managing cron-like tasks reliably.
- Proper integration of task processing with user interfaces is important using techniques like notifications, flashes, and polling to update users.
NodeJS is an event-driven JavaScript platform for building real-time web applications. It was first released in 2009 and excels at tasks that require interaction with the website like chat applications or location tracking, but is not well-suited for CPU intensive tasks. NodeJS uses an event loop, callbacks, and threads managed by a scheduler to run code asynchronously and handle multiple requests concurrently without blocking. Developers should change their code to an asynchronous programming style when using NodeJS, which is well-suited for IO heavy applications but not CPU heavy applications. Dependencies and applications can be installed via the Node Package Manager (NPM).
The document discusses Node.js, including what it is, its benefits, use cases, and readiness for enterprise use. Node.js is an event-driven, non-blocking I/O model that is well-suited for building scalable web applications with real-time features but not CPU-intensive batch processes. It promotes fast development with smaller codebases and is widely adopted by enterprises. The document also covers Node.js application architecture, database support, development tools, deployment practices, and strategies for adoption.
Node.js allows JavaScript to be used for server-side applications by providing asynchronous and event-driven capabilities. It is commonly used for real-time web applications, messaging, and file downloads. Node.js uses a non-blocking paradigm and modules to break code into reusable pieces. Functions in Node.js are often passed as callbacks to handle asynchronous events and data without blocking the server.
Get Hip with JHipster: Spring Boot + AngularJS + Bootstrap - DOSUG February 2016Matt Raible
YouTube of this presentation's JHipster Demo: https://www.youtube.com/watch?v=ZGF4gEM4FuA
Building a modern web (or mobile) application requires a lot of tools, frameworks and techniques. This session shows how JHipster unites popular frameworks like AngularJS, Spring Boot and Bootstrap. Using Yeoman, a scaffolding tool for modern webapps, JHipster will generate a project for you and allow you to use Java 8, SQL or NoSQL databases, Spring profiles, Maven or Gradle, Grunt or Gulp.js, WebSockets and Browsersync. It also supports a number of different authentication mechanisms: classic session-based auth, OAuth 2.0, or JWT authentication.
For cloud deployments, JHipster includes out-of-the-box support for Cloud Foundry and Heroku.
An absolute beginners guide to node.js . Done for a presentation at college. The presentation contains data from various sources ,sources are noted at the end slide. please inform me any mistakes ,since at that time i was in a bit of hurry :)
Ben McCormick gave a presentation on how to save time by testing with Jest. He began with an introduction and explained that Jest is a JavaScript testing framework developed by Facebook that aims to solve common testing problems. He then demonstrated how Jest saves time through fast setup, writing tests quickly using familiar syntax and APIs, running tests in parallel and with a smart watch mode, and providing clear errors to fix tests fast. He concluded with a demo of Jest's features and took questions.
Jruby allows for much higher concurrency than CRuby by leveraging Java's threading capabilities. The document discusses how jruby enables hundreds of threads with low blocking compared to Ruby's GIL limiting to 1-2 cores. Real-world rails apps on jruby can handle over 750 requests per second using 80 threads. Java libraries and tools like VisualVM make debugging and monitoring performance much easier with jruby. While some Ruby gems lack thread-safety, jruby provides alternatives and the situation is improving.
me ranting about the downsides of Spring Boot / Netflix OSS. Sorry that the slides are a little rare on text, so most likely hard to understand without the actual talk. feel free to send me any questions, though!
История одного успешного ".NET" проекта, Александр СугакSigma Software
The document describes an IoT project built using an unconventional technology stack. It discusses the current status quo of typical .NET projects using standard Microsoft technologies. It then presents a case study of an IoT project built using non-standard technologies like F#, Suave, ReactJS, and running on Linux. It outlines the principles used in selecting the technology stack, including preferring less magic frameworks, ensuring predictable and reproducible builds, shortening feedback loops, and focusing on reusable skills and knowledge.
This document discusses techniques for analyzing obfuscated malicious web scripts. It begins by noting some limitations and objectives of the analysis. It then covers common obfuscation techniques used such as minification, visual noise, character encoding, and multiple layers of obfuscation. Methods for deobfuscation without wasting time are presented, such as using beautification tools and writing custom scripts. Specific tools are also highlighted that can aid in deobfuscation, like Didier Stevens tools and JavaScript analysis tools. Lastly, it discusses prevention best practices like keeping systems updated and avoiding unknown links/emails.
The document discusses developing an exploit from a vulnerability and integrating it into the Metasploit framework. It covers finding a buffer overflow vulnerability in an application called "Free MP3 CD Ripper", using tools like ImmunityDebugger and Mona.py to crash the application and gain control of EIP. It then shows using Mona.py to generate an exploit, testing it works, and submitting it to the Metasploit framework. It also provides an overview of Meterpreter and its capabilities.
A presentation given at DeveloperWeek in San Francisco by Zack Argyle. It goes through important concepts in building out reusable React components, releasing it to Github, and publishing it to NPM. There are best practices and suggestions with an example component.
Mobile apps are the main source of security concerns in every software solution nowadays. But it doesn't have to be like that: In this session we will explore best practices, tips and tricks from OWASP MASVS that will take your app to a next level! Just remember: You don't need to be an expert to make an app secure.
Learn to leverage the power of server-side Javascript with this Node.js introductory tutorial. We’ll dive into Node’s architecture and understand the build and dependency management systems involved. Several modules for Node will be demoed, and we’ll learn how to debug Node applications within an IDE. You’ll come away with an understanding of what sets Node apart from traditional Javascript, it’s inherently asynchronous and event-driven architecture, and take a look at some real world applications built on Node.
Abusing bleeding edge web standards for appsec gloryPriyanka Aash
"Through cooperation between browser vendors and standards bodies in the recent past, numerous standards have been created to enforce stronger client-side control for web applications. As web appsec practitioners continue to shift from mitigating vulnerabilities to implementing proactive controls, each new standard adds another layer of defense for attack patterns previously accepted as risks. With the most basic controls complete, attention is shifting toward mitigating more complex threats. As a result of the drive to control for these threats client-side, standards such as SubResource Integrity (SRI), Content Security Policy (CSP), and HTTP Public Key Pinning (HPKP) carry larger implementation risks than others such as HTTP Strict Transport Security (HSTS). Builders supporting legacy applications actively make trade-offs between implementing the latest standards versus accepting risks simply because of the increased risks newer web standards pose.
In this talk, we'll strictly explore the risks posed by SRI, CSP, and HPKP; demonstrate effective mitigation strategies and compromises which may make these standards more accessible to builders and defenders supporting legacy applications; as well as examine emergent properties of standards such as HPKP to cover previously unforeseen scenarios. As a bonus for the breakers, we'll explore and demonstrate exploitations of the emergent risks in these more volatile standards, to include multiple vulnerabilities uncovered quite literally during our research for this talk (which will hopefully be mitigated by d-day)."
(Source: Black Hat USA 2016, Las Vegas)
This is a presentation I prepared for a local meetup. The audience is a mix of web designers and developers who have a wide range of development experience.
How to secure your web applications with NGINXWallarm
Your website is probably vulnerable and gonna be hacked one day. Here're 15 ready-to-use tips on how you can make your web applications more secure. How to protect web application from hacker attacks and mitigate DDoS with NGINX web server.
Slides from my last presentation at the Cape Town Meteor meetup, on optimising the UI, specifically for Hybrid apps and for Meteor JS hybrid apps.
The main thrust is really more about design patterns, and carefully controlling data management in your mobile app, with great examples of these patterns out in the real world.
see the mobile patterns video here : https://www.youtube.com/watch?v=e6WWX4TF3UI
How can we use Adobe Flash Stage 3D to make a multiplayer game on multiple devices using the same codebase?
This session will detail the challenges encountered when attempting to maintain high performance specifications on mobile devices and the guidelines used to succeed.
We will talk about the required production pipeline, provide performance tips and techniques, provide guidelines for deploying and debugging on iOS and Android and give an overview of the process, from start to finish
The document summarizes several programming, methodological, and configuration management anti-patterns. It discusses programming anti-patterns like accidental complexity, blind faith, and cargo cult programming. Methodological anti-patterns covered include copy-paste programming, golden hammer, and premature optimization. Configuration management anti-patterns like dependency hell are also outlined. The document provides examples and solutions for avoiding these anti-patterns in software development.
JavaScript has a well deserved reputation of be hard to write and debug. Put it on a mobile device and the problems increase exponentially. Mobile browsers lack all of the niceties that developers rely on to do testing and debugging including the most fundamental tool, the debugger. But it is possible to write quality JavaScript on a mobile device without relying on blind luck. In this talk I will show all of the tools and tricks that I learned in my 12 month development of the new KBB.com mobile site.
The document provides guidance for developers on best practices for writing code. It emphasizes following rules like clean code, code reviews, and refactoring. Key points include writing simple and readable code, avoiding duplication, learning from others, and ensuring code meets definitions of done that specify requirements like testing and code quality. Refactoring is advised to reduce technical debt by improving structure without changing functionality. Code reviews are recommended to catch defects through constructive peer review.
This document provides an overview of a presentation about using human interface devices like keyboards for penetration testing. The presentation covers using the Teensy microcontroller to create payloads that are executed when the device is plugged into a target system. It demonstrates writing payloads using the Kautilya toolkit to perform attacks like installing backdoors, changing system settings, gathering information, and executing code on Windows and Linux machines. The document also discusses limitations and ways to prevent attacks using malicious human interface devices.
The document outlines 7 rules for cloud-native development according to Solomon Hykes:
1. Think in terms of services rather than servers
2. Don't reinvent the wheel and leverage existing services
3. Avoid silos and have integrated, cross-functional teams working on products
4. Don't impose unnecessary restrictions that get in the way of developers
5. Start with standardized approaches and only customize later if needed
6. Enable rapid experimentation through a service-oriented architecture
7. Ship code changes daily to maximize speed and productivity
"Resisting App Pirates" - by Peter D. Gray, co-founder of Ripe Apps Inc. Presented at iOSTO #3 in Toronto, at the Pilot on Jan. 11.
www.iosto.ca
www.ripeapps.com
What schools should be teaching IT studentsAndy Lester
This document outlines essential skills and concepts that IT students should be taught, including source control, bug tracking, using compilers properly, automation testing, defensive programming, and soft skills like teamwork and open source contribution. It emphasizes practical skills like maintaining repeatable processes with makefiles and serious code editing tools. Students should learn core development practices like Don't Repeat Yourself (DRY) and thinking about full project and business needs rather than just individual assignments.
Webhooks with Azure Functions - Live 360 ConferenceSparkPost
Azure Functions make it easy to create and host webhook interfaces without maintaining a server. You can quickly setup an endpoint to receive data and act on it. Being able to ingest, process, and respond to data from a variety of sources without building out an infrastructure gives you time to focus on building functionality.
In this presentation, Nick Zimmerman, Sr. Site Reliability Engineer at SparkPost, will show you how to setup an Azure Function, accept webhook data, process that data with C#, and integrate that data into an application in real time.
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.
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.
Not So Common Memory Leaks in Java WebinarTier1 app
This SlideShare presentation is from our May webinar, “Not So Common Memory Leaks & How to Fix Them?”, where we explored lesser-known memory leak patterns in Java applications. Unlike typical leaks, subtle issues such as thread local misuse, inner class references, uncached collections, and misbehaving frameworks often go undetected and gradually degrade performance. This deck provides in-depth insights into identifying these hidden leaks using advanced heap analysis and profiling techniques, along with real-world case studies and practical solutions. Ideal for developers and performance engineers aiming to deepen their understanding of Java memory management and improve application stability.
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.
Adobe After Effects Crack FREE FRESH version 2025kashifyounis067
🌍📱👉COPY LINK & PASTE ON GOOGLE http://drfiles.net/ 👈🌍
Adobe After Effects is a software application used for creating motion graphics, special effects, and video compositing. It's widely used in TV and film post-production, as well as for creating visuals for online content, presentations, and more. While it can be used to create basic animations and designs, its primary strength lies in adding visual effects and motion to videos and graphics after they have been edited.
Here's a more detailed breakdown:
Motion Graphics:
.
After Effects is powerful for creating animated titles, transitions, and other visual elements to enhance the look of videos and presentations.
Visual Effects:
.
It's used extensively in film and television for creating special effects like green screen compositing, object manipulation, and other visual enhancements.
Video Compositing:
.
After Effects allows users to combine multiple video clips, images, and graphics to create a final, cohesive visual.
Animation:
.
It uses keyframes to create smooth, animated sequences, allowing for precise control over the movement and appearance of objects.
Integration with Adobe Creative Cloud:
.
After Effects is part of the Adobe Creative Cloud, a suite of software that includes other popular applications like Photoshop and Premiere Pro.
Post-Production Tool:
.
After Effects is primarily used in the post-production phase, meaning it's used to enhance the visuals after the initial editing of footage has been completed.
Who Watches the Watchmen (SciFiDevCon 2025)Allon Mureinik
Tests, especially unit tests, are the developers’ superheroes. They allow us to mess around with our code and keep us safe.
We often trust them with the safety of our codebase, but how do we know that we should? How do we know that this trust is well-deserved?
Enter mutation testing – by intentionally injecting harmful mutations into our code and seeing if they are caught by the tests, we can evaluate the quality of the safety net they provide. By watching the watchmen, we can make sure our tests really protect us, and we aren’t just green-washing our IDEs to a false sense of security.
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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).
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.
Proactive Vulnerability Detection in Source Code Using Graph Neural Networks:...Ranjan Baisak
As software complexity grows, traditional static analysis tools struggle to detect vulnerabilities with both precision and context—often triggering high false positive rates and developer fatigue. This article explores how Graph Neural Networks (GNNs), when applied to source code representations like Abstract Syntax Trees (ASTs), Control Flow Graphs (CFGs), and Data Flow Graphs (DFGs), can revolutionize vulnerability detection. We break down how GNNs model code semantics more effectively than flat token sequences, and how techniques like attention mechanisms, hybrid graph construction, and feedback loops significantly reduce false positives. With insights from real-world datasets and recent research, this guide shows how to build more reliable, proactive, and interpretable vulnerability detection systems using GNNs.
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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
What Do Contribution Guidelines Say About Software Testing? (MSR 2025)Andre Hora
Software testing plays a crucial role in the contribution process of open-source projects. For example, contributions introducing new features are expected to include tests, and contributions with tests are more likely to be accepted. Although most real-world projects require contributors to write tests, the specific testing practices communicated to contributors remain unclear. In this paper, we present an empirical study to understand better how software testing is approached in contribution guidelines. We analyze the guidelines of 200 Python and JavaScript open-source software projects. We find that 78% of the projects include some form of test documentation for contributors. Test documentation is located in multiple sources, including CONTRIBUTING files (58%), external documentation (24%), and README files (8%). Furthermore, test documentation commonly explains how to run tests (83.5%), but less often provides guidance on how to write tests (37%). It frequently covers unit tests (71%), but rarely addresses integration (20.5%) and end-to-end tests (15.5%). Other key testing aspects are also less frequently discussed: test coverage (25.5%) and mocking (9.5%). We conclude by discussing implications and future research.
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2. Node first went live on paypal.com in 2013.
Since:
• 35 apps live (marketing, signup,
account, payments, etc).
• 400 new JavaScript engineers
• 500,000 npm installs per day (internally)
Made a good deal of mistakes to learn from
7. • Use an internal npm instance
• Publish modules vs. embedding functionality
• Don’t overload modules – compose them
Prefer different user, credit card and bank modules
Avoid a single “shared” module
16. • Use for the right reasons (not throw or waterfall)
• Modules should expose callback interfaces
• Use promises sparingly in hot code
27% of CPU time spent in promise execution
22. • Understand control flow patterns
• Don’t create crazy waterfalls
Hoist functions
Use promises (appropriately)
Use async
• Callback with code afterwards, but no return
if (true) {
callback();
}
fallback();
23. Use good async patterns."
!
Queue funny mis-ordered async sentence
25. • SSL termination should be done by nginx
• Heavy encryption is not for node
• Don’t bind directly to port 80/443
“How do I enable gzip?”
“How do I add an SSL cert to my app?”