How to succeed in software development. Following agile methodology principles helps to achieve much better results. Know more about eXtreme Programming, one of the famous agile software development methodology.
Scrum Plus Extreme Programming (XP) for Hyper ProductivityRon Quartel
If you want to go fast with Scrum, then your best option is to compliment it with Extreme Programming (XP). Inside is an activity that you can run your team and management through to prove and sell the concept.
Introduction to the fundamentals of eXtreme programming (XP). XP is a software development approach which stresses on improving software quality and respond according to changing business requirements.
Adapting Agility: Getting your Agile Transformation UnstuckCamille Bell
In this presentation, I explore many common Agile transformation issues and what you can do about them. I cover challenges with customers, technical process, organizational hurdles, prioritization, agile requirements, etc. Some of the topics include:
o No single Product Owner in Scrum.
o No on-site customer for Extreme Programming.
o The user stories are too big.
o The user stories are too vague.
o Bug count is going up or not going down.
o Customer/Stakeholders/PO never choose technical stories for next iteration/sprint.
o Customer/Stakeholders/PO won't take the time to prioritize their backlog.
o Even though story points match prior velocity, there seems to be too much work.
o Stand-up or Scrum meetings take forever.
o Stand-up or Scrum meetings are short, but no one talks about real problems.
o Management doesn't value removing impediments quickly.
o Velocity seems to be slowing down.
o So many hoops to jump through that it takes forever to get anything done.
• What is Behavior Driven Development?
• What is its value?
• How does BDD differ from Test-Driven Development?
• What is the role of the customer/product owner in BDD?
• What about teams that have traditional manual testers?
• What about teams that have developers but not testers?
• What is a good BDD test?
• What should be tested manually?
Scrum Plus Extreme Programming (XP) for Hyper ProductivityRon Quartel
If you want to go fast with Scrum, then your best option is to compliment it with Extreme Programming (XP). Inside is an activity that you can run your team and management through to prove and sell the concept.
Introduction to the fundamentals of eXtreme programming (XP). XP is a software development approach which stresses on improving software quality and respond according to changing business requirements.
Adapting Agility: Getting your Agile Transformation UnstuckCamille Bell
In this presentation, I explore many common Agile transformation issues and what you can do about them. I cover challenges with customers, technical process, organizational hurdles, prioritization, agile requirements, etc. Some of the topics include:
o No single Product Owner in Scrum.
o No on-site customer for Extreme Programming.
o The user stories are too big.
o The user stories are too vague.
o Bug count is going up or not going down.
o Customer/Stakeholders/PO never choose technical stories for next iteration/sprint.
o Customer/Stakeholders/PO won't take the time to prioritize their backlog.
o Even though story points match prior velocity, there seems to be too much work.
o Stand-up or Scrum meetings take forever.
o Stand-up or Scrum meetings are short, but no one talks about real problems.
o Management doesn't value removing impediments quickly.
o Velocity seems to be slowing down.
o So many hoops to jump through that it takes forever to get anything done.
• What is Behavior Driven Development?
• What is its value?
• How does BDD differ from Test-Driven Development?
• What is the role of the customer/product owner in BDD?
• What about teams that have traditional manual testers?
• What about teams that have developers but not testers?
• What is a good BDD test?
• What should be tested manually?
How I Learned to Stop Worrying and Love Legacy Code.....Mike Harris
Legacy Code. I never wrote it; everybody else did!
How many times have you waded through an ageing, decaying, tangled forrest of code and wished it would just die?
How many times have you heard someone say that what really needs to happen is a complete rewrite?
I have heard this many times, and, have uttered that fatal sentence myself.
But shouldn’t we love our legacy code?
Doesn’t it represent our investment and the hard work of ourselves and our predecessors?
Throwing it away is dangerous, because, before we do, we’ll need to work out exactly what it does, and we’ll need to tweeze out that critical business logic nestled in a deeply entangled knot of IF statements. It could take us years to do, and we’ll have to maintain two systems whilst we do it, inevitably adding new features to them both. Yes we get to reimplement using the latest, coolest programming language, instead of an old behemoth, but how long will our new cool language be around, and who will maintain that code, when it itself inevitably turns to legacy?
We can throw our arms in the air, complaining and grumbling about how we didn’t write the code, how we would never have written it the way it is, how those that wrote it were lesser programmers, possibly lesser humans themselves, but the code still remains, staring us in the face and hanging around for longer that we could possibly imagine. We can sort it out, we can improve it, we can make it testable, and we can learn to love our legacy code.
Growing Manual Testers into AutomatorsCamille Bell
Manual testing can't keep up with modern software development. Tests generated by Capture/Playback tools don't work either as these tests become brittle and break. Instead working with business and development testers need to create acceptance criteria that drives product development. To become automators testers need new tools. Testers need new ways of working. Testers need new skills. And the organization needs to support your testers growth. Here is how I and others have made it work.
Promoting Agility with Running Tested Features - Lightening TalkCamille Bell
This short Lighting Talk introduces the Running Tested Feature (RTF) metric, a wonderfully useful metric that's easy to collect and promotes agility. It provides examples of RTF when development has steady progress and when SW breaks. This talk also discusses what happens when people try to game the RTF metric.
The Running Tested Features metric provides developers, managers and customers alike with a clear, unambiguous gauge of real software development progress. Usable on any kind of development project, RTF’s focus on outcome instead of process makes RTF especially fit for Agile projects. Because RTF can be used with both Agile and Waterfall projects, RTF makes an excellent progress metric for teams transitioning to Agile.
We presented this library at Java Developer Conference Cairo 2012. The purpose of this library is to provide developers with the capability to do Data Driven Testing on Android.
Mob Programming delivers the very best from your entire team, technical and business alike. Learn about mob programming and how to bring mob programming to remote teams.
”In general programmers are pretty smart people. Smart people sometimes like to show off their smarts by demonstrating their mental juggling abilities. One difference between a smart programmer and a professional programmer is that the professional understands that clarity is king. Professionals use their powers for good and write code that others can understand.”
I recently gave a talk at Architecting Innovation about going extreme with Extreme Programming. In these slides, I give a brief history of Extreme Programming, what are some of the guiding principles of Extreme Programming and why an organization might want to choose Extreme Programming over other software development methodologies.
Mob Programming for Continuous LearningMike Clement
What if we took Extreme Programming and said it’s not “extreme” enough? What if we took pair programming and cranked it to 11? Mob programming is a technique with “all the brilliant people working on the same thing, at the same time, in the same space, and on the same computer.”
I was lucky enough to be on a team for about year that worked “as a mob.” Come learn what practices we found to be critical, what obstacles we encountered and what practices became irrelevant during our experience.
Dealing With Legacy: The Real-World ExperienceJakub Holy
A report of the successes and challenges of our team dealing with further development of a core webapp full of legacy code - what practices we applied, how Scrum worked for us, what worked well, what could be improved, what I'd do to avoid creating legacy code and what the hidden cost of legacy code really is.
How Netflix tests in production to augment more traditional testing methods. This talk covers the Simian Army (Chaos Monkey & friends, code coverage in production, and canary testing.
Tried putting things in the deck that I learnt about Extreme programming in XP Conference held in Bangalore. I have tried to keep it at very high level added with light moments, so that it doesn't getting boring and makes sense for most of us
To create better software we should be aware of existing well-proven software design solutions. Learn more about software patterns. The slides cover GRASP, architectural patterns, enterprise application patterns and GoF design patterns.
Perfect Styling - How to write better CSSArtem Tabalin
Learn how to write better CSS/LESS. Know about existing styling methodologies: OOCSS, ACSS, BEM, SMACSS. Find guidelines helping to make your styles reusable, modular, consistent, and compact.
How I Learned to Stop Worrying and Love Legacy Code.....Mike Harris
Legacy Code. I never wrote it; everybody else did!
How many times have you waded through an ageing, decaying, tangled forrest of code and wished it would just die?
How many times have you heard someone say that what really needs to happen is a complete rewrite?
I have heard this many times, and, have uttered that fatal sentence myself.
But shouldn’t we love our legacy code?
Doesn’t it represent our investment and the hard work of ourselves and our predecessors?
Throwing it away is dangerous, because, before we do, we’ll need to work out exactly what it does, and we’ll need to tweeze out that critical business logic nestled in a deeply entangled knot of IF statements. It could take us years to do, and we’ll have to maintain two systems whilst we do it, inevitably adding new features to them both. Yes we get to reimplement using the latest, coolest programming language, instead of an old behemoth, but how long will our new cool language be around, and who will maintain that code, when it itself inevitably turns to legacy?
We can throw our arms in the air, complaining and grumbling about how we didn’t write the code, how we would never have written it the way it is, how those that wrote it were lesser programmers, possibly lesser humans themselves, but the code still remains, staring us in the face and hanging around for longer that we could possibly imagine. We can sort it out, we can improve it, we can make it testable, and we can learn to love our legacy code.
Growing Manual Testers into AutomatorsCamille Bell
Manual testing can't keep up with modern software development. Tests generated by Capture/Playback tools don't work either as these tests become brittle and break. Instead working with business and development testers need to create acceptance criteria that drives product development. To become automators testers need new tools. Testers need new ways of working. Testers need new skills. And the organization needs to support your testers growth. Here is how I and others have made it work.
Promoting Agility with Running Tested Features - Lightening TalkCamille Bell
This short Lighting Talk introduces the Running Tested Feature (RTF) metric, a wonderfully useful metric that's easy to collect and promotes agility. It provides examples of RTF when development has steady progress and when SW breaks. This talk also discusses what happens when people try to game the RTF metric.
The Running Tested Features metric provides developers, managers and customers alike with a clear, unambiguous gauge of real software development progress. Usable on any kind of development project, RTF’s focus on outcome instead of process makes RTF especially fit for Agile projects. Because RTF can be used with both Agile and Waterfall projects, RTF makes an excellent progress metric for teams transitioning to Agile.
We presented this library at Java Developer Conference Cairo 2012. The purpose of this library is to provide developers with the capability to do Data Driven Testing on Android.
Mob Programming delivers the very best from your entire team, technical and business alike. Learn about mob programming and how to bring mob programming to remote teams.
”In general programmers are pretty smart people. Smart people sometimes like to show off their smarts by demonstrating their mental juggling abilities. One difference between a smart programmer and a professional programmer is that the professional understands that clarity is king. Professionals use their powers for good and write code that others can understand.”
I recently gave a talk at Architecting Innovation about going extreme with Extreme Programming. In these slides, I give a brief history of Extreme Programming, what are some of the guiding principles of Extreme Programming and why an organization might want to choose Extreme Programming over other software development methodologies.
Mob Programming for Continuous LearningMike Clement
What if we took Extreme Programming and said it’s not “extreme” enough? What if we took pair programming and cranked it to 11? Mob programming is a technique with “all the brilliant people working on the same thing, at the same time, in the same space, and on the same computer.”
I was lucky enough to be on a team for about year that worked “as a mob.” Come learn what practices we found to be critical, what obstacles we encountered and what practices became irrelevant during our experience.
Dealing With Legacy: The Real-World ExperienceJakub Holy
A report of the successes and challenges of our team dealing with further development of a core webapp full of legacy code - what practices we applied, how Scrum worked for us, what worked well, what could be improved, what I'd do to avoid creating legacy code and what the hidden cost of legacy code really is.
How Netflix tests in production to augment more traditional testing methods. This talk covers the Simian Army (Chaos Monkey & friends, code coverage in production, and canary testing.
Tried putting things in the deck that I learnt about Extreme programming in XP Conference held in Bangalore. I have tried to keep it at very high level added with light moments, so that it doesn't getting boring and makes sense for most of us
To create better software we should be aware of existing well-proven software design solutions. Learn more about software patterns. The slides cover GRASP, architectural patterns, enterprise application patterns and GoF design patterns.
Perfect Styling - How to write better CSSArtem Tabalin
Learn how to write better CSS/LESS. Know about existing styling methodologies: OOCSS, ACSS, BEM, SMACSS. Find guidelines helping to make your styles reusable, modular, consistent, and compact.
Learn how to write better code. Follow key software development principles like KISS, DRY, YAGNI, and SOLID. Know how to choose better names, structure your code, write methods, and design classes.
How to improve your code quality? The answer is continuous refactoring. Learn more about refactoring. Know the most frequent code smells (antipatterns), telling when to refactor. Go through the catalog of well-known refactorings, telling how to improve your code.
Learn about technologies involved in creation an offline web app. Offline storages: web storage, IndexedDB, WebSQL, File API. Application cache: app cache and service workers.
SMACSS e CSS faz BEM, muito BEM! Veja como trabalhar melhor com o seu front-end. Como organizar, como usar padrões e como ser feliz e fazer o BEM usando SMACSS.
Vision of the future learning strategy and some specializations for Department of Information Systems and Technologies of National University "Lviv Polytechnic". Created by Roman Hasko. 10.2015
Presentation from IT Brunch "Learn from failures" conference (online, June 2012) about my experience and lessons learned from Tracer Bullet Development approach
Presentation from ConfeT&QA Online conference (February 2012) about techniques and approaches for successful adoption of TDD (Test Driven Development) in functional tests with WebDriver.
Доклад для XP Days Kiev 2013.
Many people think that Agile works only for small or unimportant projects. Forget it! We use extreme programming for developing Bank Saint Petersburg which hit the TOP-3 of Russia internet banks. During the session we will share our XP experience and demonstrate pair programming, TDD, and UI tests on a real example of internet bank. Still unbelievable? So come and see!
● Що таке "цикл зворотнього зв'язку"?
● Цикли зворотнього зв'язку у eXtreme
Programming
● Зміцнення та скорочення циклу
зворотнього зв'язку
● Декларація взаємозалежності
● Запитання та обговорення
Aki Salmi - Refactoring legacy code: a true story @ I T.A.K.E. Unconference 2...Mozaic Works
Talk delivered by Aki Salmi at I T.A.K.E. Unconference in Bucharest, 2014.
The presentation shows two example cases of introducing new features to the project. The first is a story of adding a search criteria to a list of 15 parameters.
The other example is total refactoring of handling files transferred to the system using FTP. It included both changes to the supported file types and the structure of the code.
In both examples, the end results are highlighted from both maintainability perspective and from business perspective.
this presentation contains agile engineering practices which are used by software community.
These practices provides agility in the software development. Applying agile software development without these practices is not easy for software developers.
Software developers love tools for coding, debugging, testing, and configuration management. The more these tools improve the How of coding, the more we see that we're behind the curve on improving the What, Why, and When. If you've been on a project that seemed vague, adrift, and endless, this talk can help. Make your projects run SMART.
Second "code school lesson" for Eurosport's developers.
1. Refactoring : when? why? how?
2. Single Responsability
3. Practical case : clean architecture.
Lean-Agile Development with SharePoint - Bill AyersSPC Adriatics
SharePoint gives us a great platform for developing sophisticated intranet portals and collaboration sites and many other workloads. But it can also be a challenge to use modern software development frameworks like Scrum and XP. Wouldn’t it be great if we could get all the benefits of Agile practices – faster development, predictable deliveries, better quality, less stress and happy stakeholders? In this session we will cover the definitions of Lean, Agile, Scrum, Kanban, XP, and TDD. Then we will look at the specific challenges around Agile SharePoint development and some development techniques to overcome these obstacles. This talk covers both project delivery and engineering. We’ll look at unit tests, integration tests, UI tests, continuous integration and, of course, test-driven development (TDD) with practical experiences from real-life Agile SharePoint projects.
There has been lots of talk on the importance of writing good and manageable code – code whose inherent beauty bring tears to the eyes of the developer that looks at it. This talk is not like that. This talk will focus on the techniques that are used by millions across the world to bring tears to the eyes of the maintaining developer, as well as a graphic stream of profanities.We will investigate some of the most common anti-patterns and half-measures that occur in real live code, and will marvel at the ingenuity and outright creativity necessary to create ugly messes of unmaintainable code that still manages to work for it’s users.
In his recent book, Clean Agile, Robert C "Uncle Bob" Martin chooses Extreme Programming (XP) for the basis of his explanation of Agile because "of all the Agile processes, XP is the best defined, the most complete, and the least muddled."
So why is it that in my professional life I only hear us speaking about Agile in terms of Scrum, Sprints, and possibly Kanban? Often I mention XP and people are not sure what I mean. Am I sure myself?
Coined in 1999 by Kent Beck and Ward Cunningham, XP has been with us for twenty years, but may of its practices have been with us for much longer. Many of them will be familar to you, but did you know they came from XP?
This talk aims to take us back to what XP is, how it fits in the Agile world, how it sits alongside other methodologies, and why, like Uncle Bob, I believe it is the best defined methodology, and what we should all be talking about.
The talk is based on a heavily refactored talk that Mike gave previously at Agile on the Beach conference, updated for 2020.
Given at Ox:Agile Meetup on February 11th 2020: https://www.meetup.com/OXAGILE/events/nxrdmrybcdbpb/
Using BladeRunnerJS to Build Front-End Apps that Scale - Fluent 2014Phil Leggetter
Developing large apps is difficult. Ensuring that code is consistent, well structured, tested and has an architecture that encourages enhancement and maintainability is essential. When it comes to building large server-focused apps the solutions to this problem have been tried and tested. But, how do you achieve this when building HTML5 single page apps?
BladeRunnerJS is an open source developer toolkit and lightweight front-end framework that has helped Caplin Systems ensure that a 200k LoC JavaScript codebase hasn’t become a tangled mess of unstable spaghetti code. This codebase is packaged and delivered to customers as an SDK. Additionally customers receive a getting started application of around 50k LoC for them to build upon, and they’re expected not to turn that into a tangled … you get the idea.
In this talk you’ll learn the main concepts to apply when building a front-end app that scales and how BladeRunnerJS can support the development process.
Project Sherpa: How RightScale Went All in on DockerRightScale
We just finished a 7 week project at RightScale to migrate 48 services and 650+ cloud instances to Docker. As a result we’ve been able to accelerate our development processes and cut our cloud costs (a lot). Here we share lessons learned about our experience migrating to Docker and introduce our new Container Manager we added to the RightScale platform to help manage containerized environments.
Why your company loves to welcome change but sucks at accommodating itFarooq Ali
The need for sound engineering practices in Agile. A look at a very common Agile anti-pattern (Flaccid Scrum) found in large organizations, and how to fix it.
Client Technical Analysis of Legacy Software and Future ReplacementVictorSzoltysek
A "satirical" magnum opus in-depth exposition of the technical challenges facing a real life client, as well as an extensive roadmap on overcoming said trepidatious circumstances.
Culmination of exhaustive analysis, numerous deliberations with industry leading experts, and many long and alcohol fuelled nights.
Basic concept on Systems/Software Analysis, Design & Development, how software engineering, large projects are done, collaborated, best practices & standards.
Do you want Software for your Business? Visit Deuglo
Deuglo has top Software Developers in India. They are experts in software development and help design and create custom Software solutions.
Deuglo follows seven steps methods for delivering their services to their customers. They called it the Software development life cycle process (SDLC).
Requirement — Collecting the Requirements is the first Phase in the SSLC process.
Feasibility Study — after completing the requirement process they move to the design phase.
Design — in this phase, they start designing the software.
Coding — when designing is completed, the developers start coding for the software.
Testing — in this phase when the coding of the software is done the testing team will start testing.
Installation — after completion of testing, the application opens to the live server and launches!
Maintenance — after completing the software development, customers start using the software.
E-commerce Application Development Company.pdfHornet Dynamics
Your business can reach new heights with our assistance as we design solutions that are specifically appropriate for your goals and vision. Our eCommerce application solutions can digitally coordinate all retail operations processes to meet the demands of the marketplace while maintaining business continuity.
Atelier - Innover avec l’IA Générative et les graphes de connaissancesNeo4j
Atelier - Innover avec l’IA Générative et les graphes de connaissances
Allez au-delà du battage médiatique autour de l’IA et découvrez des techniques pratiques pour utiliser l’IA de manière responsable à travers les données de votre organisation. Explorez comment utiliser les graphes de connaissances pour augmenter la précision, la transparence et la capacité d’explication dans les systèmes d’IA générative. Vous partirez avec une expérience pratique combinant les relations entre les données et les LLM pour apporter du contexte spécifique à votre domaine et améliorer votre raisonnement.
Amenez votre ordinateur portable et nous vous guiderons sur la mise en place de votre propre pile d’IA générative, en vous fournissant des exemples pratiques et codés pour démarrer en quelques minutes.
Artificia Intellicence and XPath Extension FunctionsOctavian Nadolu
The purpose of this presentation is to provide an overview of how you can use AI from XSLT, XQuery, Schematron, or XML Refactoring operations, the potential benefits of using AI, and some of the challenges we face.
Utilocate offers a comprehensive solution for locate ticket management by automating and streamlining the entire process. By integrating with Geospatial Information Systems (GIS), it provides accurate mapping and visualization of utility locations, enhancing decision-making and reducing the risk of errors. The system's advanced data analytics tools help identify trends, predict potential issues, and optimize resource allocation, making the locate ticket management process smarter and more efficient. Additionally, automated ticket management ensures consistency and reduces human error, while real-time notifications keep all relevant personnel informed and ready to respond promptly.
The system's ability to streamline workflows and automate ticket routing significantly reduces the time taken to process each ticket, making the process faster and more efficient. Mobile access allows field technicians to update ticket information on the go, ensuring that the latest information is always available and accelerating the locate process. Overall, Utilocate not only enhances the efficiency and accuracy of locate ticket management but also improves safety by minimizing the risk of utility damage through precise and timely locates.
Software Engineering, Software Consulting, Tech Lead, Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Transaction, Spring MVC, OpenShift Cloud Platform, Kafka, REST, SOAP, LLD & HLD.
Transform Your Communication with Cloud-Based IVR SolutionsTheSMSPoint
Discover the power of Cloud-Based IVR Solutions to streamline communication processes. Embrace scalability and cost-efficiency while enhancing customer experiences with features like automated call routing and voice recognition. Accessible from anywhere, these solutions integrate seamlessly with existing systems, providing real-time analytics for continuous improvement. Revolutionize your communication strategy today with Cloud-Based IVR Solutions. Learn more at: https://thesmspoint.com/channel/cloud-telephony
Launch Your Streaming Platforms in MinutesRoshan Dwivedi
The claim of launching a streaming platform in minutes might be a bit of an exaggeration, but there are services that can significantly streamline the process. Here's a breakdown:
Pros of Speedy Streaming Platform Launch Services:
No coding required: These services often use drag-and-drop interfaces or pre-built templates, eliminating the need for programming knowledge.
Faster setup: Compared to building from scratch, these platforms can get you up and running much quicker.
All-in-one solutions: Many services offer features like content management systems (CMS), video players, and monetization tools, reducing the need for multiple integrations.
Things to Consider:
Limited customization: These platforms may offer less flexibility in design and functionality compared to custom-built solutions.
Scalability: As your audience grows, you might need to upgrade to a more robust platform or encounter limitations with the "quick launch" option.
Features: Carefully evaluate which features are included and if they meet your specific needs (e.g., live streaming, subscription options).
Examples of Services for Launching Streaming Platforms:
Muvi [muvi com]
Uscreen [usencreen tv]
Alternatives to Consider:
Existing Streaming platforms: Platforms like YouTube or Twitch might be suitable for basic streaming needs, though monetization options might be limited.
Custom Development: While more time-consuming, custom development offers the most control and flexibility for your platform.
Overall, launching a streaming platform in minutes might not be entirely realistic, but these services can significantly speed up the process compared to building from scratch. Carefully consider your needs and budget when choosing the best option for you.
Graspan: A Big Data System for Big Code AnalysisAftab Hussain
We built a disk-based parallel graph system, Graspan, that uses a novel edge-pair centric computation model to compute dynamic transitive closures on very large program graphs.
We implement context-sensitive pointer/alias and dataflow analyses on Graspan. An evaluation of these analyses on large codebases such as Linux shows that their Graspan implementations scale to millions of lines of code and are much simpler than their original implementations.
These analyses were used to augment the existing checkers; these augmented checkers found 132 new NULL pointer bugs and 1308 unnecessary NULL tests in Linux 4.4.0-rc5, PostgreSQL 8.3.9, and Apache httpd 2.2.18.
- Accepted in ASPLOS ‘17, Xi’an, China.
- Featured in the tutorial, Systemized Program Analyses: A Big Data Perspective on Static Analysis Scalability, ASPLOS ‘17.
- Invited for presentation at SoCal PLS ‘16.
- Invited for poster presentation at PLDI SRC ‘16.
Top Features to Include in Your Winzo Clone App for Business Growth (4).pptxrickgrimesss22
Discover the essential features to incorporate in your Winzo clone app to boost business growth, enhance user engagement, and drive revenue. Learn how to create a compelling gaming experience that stands out in the competitive market.
Need for Speed: Removing speed bumps from your Symfony projects ⚡️Łukasz Chruściel
No one wants their application to drag like a car stuck in the slow lane! Yet it’s all too common to encounter bumpy, pothole-filled solutions that slow the speed of any application. Symfony apps are not an exception.
In this talk, I will take you for a spin around the performance racetrack. We’ll explore common pitfalls - those hidden potholes on your application that can cause unexpected slowdowns. Learn how to spot these performance bumps early, and more importantly, how to navigate around them to keep your application running at top speed.
We will focus in particular on tuning your engine at the application level, making the right adjustments to ensure that your system responds like a well-oiled, high-performance race car.
AI Genie Review: World’s First Open AI WordPress Website CreatorGoogle
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See My Other Reviews Article:
(1) TubeTrivia AI Review: https://sumonreview.com/tubetrivia-ai-review
(2) SocioWave Review: https://sumonreview.com/sociowave-review
(3) AI Partner & Profit Review: https://sumonreview.com/ai-partner-profit-review
(4) AI Ebook Suite Review: https://sumonreview.com/ai-ebook-suite-review
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4. Disadvantages!
• High amount of risk!
• Impossible to go back and fix!
• No result until very end!
• Impossible to strictly follow the requirements!
9. Iteration lifecycle!
1. Figure out Use Cases!
2. Choose most valuable for iteration!
3. Analyze chosen use cases!
4. Design / Code / Deploy / Test!
5. Show results to customer!
6. Repeat from #2 considering feedback #5!
10. Benefits!
• Risk management!
• Early delivery!
• Cost control!
• High quality!
20. Coding Standards!
Coding Rules followed by the team!
• Formatting patterns!
• Naming conventions!
• Programming constructs to avoid!
• Custom agreements!
21. Collective Ownership!
Any developer of a team!
• Has access to the entire source code!
• Is allowed to change any part of code!
• Is responsible for the code!
IMPORTANT: Unit Tests required!
22. Collective Ownership - Benefits!
• Reduce negative effect of losing a programmer!
• Complex code eliminated by teammates!
• No “tricky code” owners!
• Full control over the code for everyone!
28. Continuous Integration!
Get system build several times a day!
Aims
• Prevent “integration hell”!
• Last stable build always available!
• Automatic tests running!
29. Continuous Integration - Principles!
• Maintain single code repository!
• Automate the build!
• Self-testing build!
• Everyone commits to the baseline daily!
• Automate deployment!
30. Planning Game!
• Release (1-6 months)
business cycle!
• Iteration (1-3 weeks)
developer cycle!
• Stand-up meeting
everyday!
• Story (feature)
measure of software for customer!
31. Release Planning!
1. Customer writes stories!
2. Developers estimate the stories!
3. Splitting/Combining the stories!
4. Sorting stories by value and risk!
5. Choosing the scope based on velocity!
6. Steering phase!
• customer can add a story or change the priority!
• developer can change the estimation!
• plan change!
32. Iteration Planning!
1. Dividing stories into tasks!
2. Estimating the tasks yesterday’s weather!
3. Devs take responsibility for tasks!
4. Load factor estimation 0.5 is normal value!
5. Rebalancing according to #4!
6. Steering phase!
• tasks adding!
• tasks reassigning !
• plan change!
33. Stand-Up Meeting!
• Short everyday meeting at the same time!
• Everybody stands for the whole meeting in circle!
• Everybody says!
• what he did yesterday!
• what he is doing today!
• what problems he has!
• For problems announcing (not solving)!
38. TDD - Cycle!
• Add test!
• Run all tests and fail (Red)!
• Make required change to succeed!
• Run all tests and succeed (Green)!
• Refactor to remove duplication (Refactor)!
39. Unit Tests Best Practices!
• Test first!
• Assert first!
• Arrange → Act → Assert!
• Tests isolation!
• Mocking dependencies!
43. Other Unit Tests!
• Explanation Test
explain with test!
• Learning (Boundary) Test
external library!
• Regression Test
bug elimination!
44. Test Greening Rules!
• Getting to Green strategies!
• obvious implementation!
• fake it!
• triangulation!
• Do the simplest solution possible!
• Postpone faced problems for next steps!
• No code for future!
48. Pair Programming - Problems!
• “Watch the master” phenomenon!
• Disengagement and silence!
How to fight with?!
Each developer keeps the keyboard in turn!
49. Pair Programming for TDD!
• Dev1: Write test!
• Dev2: Implement functionality!
• Dev1: Make refactoring!
• Dev1 ⇔ Dev2 and repeat!
51. References!
• Beck K. Extreme Programming Explained: Embrace Change!
• Beck K., Fowler M. Planning Extreme Programming!
• Beck K. Test Driven Development: By Example!