Martin Fowler is a software developer, author, and speaker known for his work in agile software development. He helped create the Agile Manifesto in 2001 and popularized concepts like dependency injection. Fowler believes that estimation is valuable when it helps teams make significant decisions around resource allocation, coordination, and responding to change. He advocates for continuous integration and continuous deployment to help teams build and deliver software more rapidly.
It is a well-known fact that Design Sprint is a very good technique – wonderful perhaps – but something incomplete (at least in its conception), that is for two reasons, 1.- it only allows you to concentrate on a single flow of a single product (what is not always optimal depending on the time and environment), and 2.- it facilitates you to fall into many inconsistencies that can end up affecting your entire UX process.
YOU CAN EXPECT TO LEARN:
* Ways to solve defects caused by focusing on a single flow of a single product
* What are the most common inconsistencies and possible ways to solve each of them
* Show a real case (my particular case) about how Sprint Design can be inserted in a UX macro process
It is a well-known fact that Design Sprint is a very good technique – wonderful perhaps – but something incomplete (at least in its conception), that is for two reasons, 1.- it only allows you to concentrate on a single flow of a single product (what is not always optimal depending on the time and environment), and 2.- it facilitates you to fall into many inconsistencies that can end up affecting your entire UX process.
YOU CAN EXPECT TO LEARN:
* Ways to solve defects caused by focusing on a single flow of a single product
* What are the most common inconsistencies and possible ways to solve each of them
* Show a real case (my particular case) about how Sprint Design can be inserted in a UX macro process
Hypothesis driven design is a powerful method to ensure features you build in your product are valuable and well evidenced. This quick presentation, delivered internally to DWP Digital colleagues, gives tips on writing high quality hypotheses to work from.
The Angry Birds Guide to Can’t Fail Social Business Adoption Mark Fidelman
Having Social Business Adoption Challenges? Check out this presentation on Adoption strategies using the best solutions and the best strategy as recommended by some of the biggest companies in the world.
NOTE: THIS IS THE NON-ANIMATED VERSION. Come see me live at SharePoint Fest in Wash DC on Aug 12, 2011 to see the fully animated version.
An overview of the Agile Manifesto and why Agile SDLC is super important to excellent project management practices. Agile Software development is dominating the game these days. Whether you're going responsive, managing ecommerce, magento, or iphone apps Agile practices will help your efforts succeed.
Project Planning: How to Achieve the ImpossibleMindGenius
Nobody launches a new project and intends for it to fail. But time and again projects do fail, for a vast range of reasons.
But there are ways of stacking the odds in your favour. Among the most important is resisting the very human urge to jump straight in. Good planning is vital for success.
The Net Promoter Score - What can NPS Tell you about your User ExperienceUXPA International
While it’s obvious to us UX practitioners that any products or applications should focus on the needs and wants of the users, this type of mindset is not automatic in most profit-driven private organizations. As a result, we sometimes struggle with proving the value of users’ voice as a business priority. In this session, we share our experience of creating an NPS program at a Fortune 20 company in the U.S.. While the Net Promoter Score is not a UX metric in the traditional sense, using it strategically as an indicator of user experience has helped us build a growingly more user-centric culture at our organization. We will talk about our journey, share our tips and recommendations, and mostly things we thought could help you based on our lessons learned.
User Story Maps: Secrets for Better Backlogs and PlanningAaron Sanders
User story mapping is an intuitive way to build and organize a product backlog. During this session you’ll get hands-on experience building a user story map. You’ll learn:
How story mapping drives productive conversations with users and stakeholders.
How to plan incremental releases of your product using minimal holistic slices that deliver value at each product release.
Secrets to effective prioritization for both planning releases, and figuring out what to build next.
Tactical management of your backlog as you grow your working software to releasability.
The backlog building and managing strategies in this session will take you well beyond the agile basics.
Using Prototyping to Streamline the Instructional Design ProcessLisa Whalen
This is the presentation handout from my session at the 2016 Learning Solutions Conference. This version includes speaker notes, since the live one was mostly pictures.
Project Management vs Task Management: What Works Best for YouOrangescrum
Task management works better for simplistic activities be it solo or with a team. Project management on the other hand takes a little more in terms of planning and execution. Orangescrum project and task collaboration tool helps you run large complex projects as well as your to-do lists all at once in a highly collaborative environment.
Capturing Lessons learned Information - Making your current and future projec...Dow Publishing LLC
Agenda:
1. Collect Lessons Learned at Project Kick-off
2. Collect Lessons Learned throughout life of project
3. Review Past Project Information
4. Show discretion in what you are capturing
These slides are for the following session presented at the UX STRAT Online 2021 Conference:
"Strategic Design Methods for Business Impact"
Angel Brown
Digitas Health: Group Director Experience Strategy
This project charter guide covers everything you need to know about the project charter. It is based on the free template you can download here: http://project-charter-template.casual.pm/
Slides from a product management training workshop with our partners at the Department of the Interior's Office of Natural Resources Revenue as a part of work together on revenuedata.doi.gov.
Sure, we don’t like sitting in meetings. They can be ragged speed bumps in our process; necessary evils used to secure agreement without incurring excessive tire damage. But it doesn't have to be that way.
Agile Basics for Government with ThoughtWorks
Most people interested in the field of innovation have heard of agile innovation teams. These small, entrepreneurial groups are designed to stay close to customers and adapt quickly to changing conditions. When implemented correctly, they have a reputation for almost always result in higher team productivity and moral, faster time to market, better quality and lower risk than traditional approaches can achieve.
But while agile methods caught on first in IT departments and are now widely used in software development, the agile approach has potential to transform the public sector in ways far beyond better bits and bytes. Conditions are ripe for agile teams in any situation where problems are complex, solutions are at first unclear, project requirements are likely to change, and close collaboration with end users is feasible: a description that matches many facing a wide variety of public sector activities.
This session will provide participants with an opportunity to explore what the world of agile can teach them – about themselves, their work and their potential to serve their clients better, whatever their role. It will confront some of the common myths and misconceptions about agile, and demonstrate how an agile approach can enable teams to deliver sooner and scale faster through a proven learning culture that builds and strengthens the team and its capabilities.
I collated this simply as a conversation starter at the Scottish Public Sector Barcamp on 27-03-09. In the event I didn't get the opportunity and so was able to put the material 'in the bank' for another time. But on reflection it seemed silly not to make it available anyway - you can do your own voice-over!
Hypothesis driven design is a powerful method to ensure features you build in your product are valuable and well evidenced. This quick presentation, delivered internally to DWP Digital colleagues, gives tips on writing high quality hypotheses to work from.
The Angry Birds Guide to Can’t Fail Social Business Adoption Mark Fidelman
Having Social Business Adoption Challenges? Check out this presentation on Adoption strategies using the best solutions and the best strategy as recommended by some of the biggest companies in the world.
NOTE: THIS IS THE NON-ANIMATED VERSION. Come see me live at SharePoint Fest in Wash DC on Aug 12, 2011 to see the fully animated version.
An overview of the Agile Manifesto and why Agile SDLC is super important to excellent project management practices. Agile Software development is dominating the game these days. Whether you're going responsive, managing ecommerce, magento, or iphone apps Agile practices will help your efforts succeed.
Project Planning: How to Achieve the ImpossibleMindGenius
Nobody launches a new project and intends for it to fail. But time and again projects do fail, for a vast range of reasons.
But there are ways of stacking the odds in your favour. Among the most important is resisting the very human urge to jump straight in. Good planning is vital for success.
The Net Promoter Score - What can NPS Tell you about your User ExperienceUXPA International
While it’s obvious to us UX practitioners that any products or applications should focus on the needs and wants of the users, this type of mindset is not automatic in most profit-driven private organizations. As a result, we sometimes struggle with proving the value of users’ voice as a business priority. In this session, we share our experience of creating an NPS program at a Fortune 20 company in the U.S.. While the Net Promoter Score is not a UX metric in the traditional sense, using it strategically as an indicator of user experience has helped us build a growingly more user-centric culture at our organization. We will talk about our journey, share our tips and recommendations, and mostly things we thought could help you based on our lessons learned.
User Story Maps: Secrets for Better Backlogs and PlanningAaron Sanders
User story mapping is an intuitive way to build and organize a product backlog. During this session you’ll get hands-on experience building a user story map. You’ll learn:
How story mapping drives productive conversations with users and stakeholders.
How to plan incremental releases of your product using minimal holistic slices that deliver value at each product release.
Secrets to effective prioritization for both planning releases, and figuring out what to build next.
Tactical management of your backlog as you grow your working software to releasability.
The backlog building and managing strategies in this session will take you well beyond the agile basics.
Using Prototyping to Streamline the Instructional Design ProcessLisa Whalen
This is the presentation handout from my session at the 2016 Learning Solutions Conference. This version includes speaker notes, since the live one was mostly pictures.
Project Management vs Task Management: What Works Best for YouOrangescrum
Task management works better for simplistic activities be it solo or with a team. Project management on the other hand takes a little more in terms of planning and execution. Orangescrum project and task collaboration tool helps you run large complex projects as well as your to-do lists all at once in a highly collaborative environment.
Capturing Lessons learned Information - Making your current and future projec...Dow Publishing LLC
Agenda:
1. Collect Lessons Learned at Project Kick-off
2. Collect Lessons Learned throughout life of project
3. Review Past Project Information
4. Show discretion in what you are capturing
These slides are for the following session presented at the UX STRAT Online 2021 Conference:
"Strategic Design Methods for Business Impact"
Angel Brown
Digitas Health: Group Director Experience Strategy
This project charter guide covers everything you need to know about the project charter. It is based on the free template you can download here: http://project-charter-template.casual.pm/
Slides from a product management training workshop with our partners at the Department of the Interior's Office of Natural Resources Revenue as a part of work together on revenuedata.doi.gov.
Sure, we don’t like sitting in meetings. They can be ragged speed bumps in our process; necessary evils used to secure agreement without incurring excessive tire damage. But it doesn't have to be that way.
Agile Basics for Government with ThoughtWorks
Most people interested in the field of innovation have heard of agile innovation teams. These small, entrepreneurial groups are designed to stay close to customers and adapt quickly to changing conditions. When implemented correctly, they have a reputation for almost always result in higher team productivity and moral, faster time to market, better quality and lower risk than traditional approaches can achieve.
But while agile methods caught on first in IT departments and are now widely used in software development, the agile approach has potential to transform the public sector in ways far beyond better bits and bytes. Conditions are ripe for agile teams in any situation where problems are complex, solutions are at first unclear, project requirements are likely to change, and close collaboration with end users is feasible: a description that matches many facing a wide variety of public sector activities.
This session will provide participants with an opportunity to explore what the world of agile can teach them – about themselves, their work and their potential to serve their clients better, whatever their role. It will confront some of the common myths and misconceptions about agile, and demonstrate how an agile approach can enable teams to deliver sooner and scale faster through a proven learning culture that builds and strengthens the team and its capabilities.
I collated this simply as a conversation starter at the Scottish Public Sector Barcamp on 27-03-09. In the event I didn't get the opportunity and so was able to put the material 'in the bank' for another time. But on reflection it seemed silly not to make it available anyway - you can do your own voice-over!
Some teams think they can be agile by using a defined process or set of practices as defined by one of the agile approaches. This is just “doing Agile.” Other teams are agile in name only – the team says it’s “doing Agile” but ends up using the same old practices and achieving the same results. Teams adopt agile for a variety of reasons, but it’s not the process or set of practices they select that produces the results they seek. Teams are most successful when they adopt a particular mindset in order to “be agile”. Join Kent McDonald as he describes this mindset through 7 key ideas based on how people and organizations work best. We’ll discuss some specific techniques you can use to adopt the mindset on your project, how the project manager role changes along with the mindset, and how to help your team move from “doing Agile” to actually “being agile”.
In many ways, the Agile Manifesto gives us a road-map and lays a firm foundation for efficient software development.
There are naysayers among those who swear by traditional methods; but these criticisms do not hold water because the
entire agile movement rests on robust methodologies and concepts. So what does this augur for the future? No one can
tell with certainty.
Agility encompasses believing and relying on one's ability to respond to unpredictable events, rather than banking on the
competence to indulge in pre-planning. At the end of the day, the methodologies remind us that even though we create
and work with software, the human element, and the resultant collaboration it enhances, is all too important in the larger
scheme of things.
Regardless of what type of work you do, there may be benefits to applying some of the ideas articulated in the Agile Manifesto. This talk illustrates a few first steps you can take and try to uncover opportunities to improve how you deliver value.
importance of resources allocation in formal method of software engineering ...abdulrafaychaudhry
Project management is a very wide area of work, particularly in business. It covers many different topics which can be broken into even smaller particles. Work of a project manager is not only about giving people orders and telling them what to do. Many people limit their work of a project manager to supervising their employees and making sure everyone meets their deadline. But a good project manager knows it’s more than that.
Resource allocation in project management is one of those particles which make work of a good PM effective and significant. And even though it may seem simple, it is actually crucial in delivering a great project.
Resource allocation in project management is concerned with creating a plan which can help achieve future goals. There are many resources which have to be allocated when managing a project, beginning from budget to equipment and tools, to data and the project’s plan.
How To Allocate Resources
Resource allocation in project management is so important because it gives a clear picture on the amount of work that has to be done. It also helps to schedule ahead and have an insight into the team’s progress, including allocating the right amount of time to everyone on the team.
Resource allocation allows to plan and prepare for the project’s implementation or achieving goals. It is also possible to analyze existing threats and risks to the project.
But above all, resource allocation in project management helps to control all the workload. This, as a result, contributes to team’s effectiveness at work and what follows later is a satisfying and exhaustive project.
IIA3: Coding Like a Unicorn (Predix Transform 2016)Predix
http://predixtransform.com
The way software is developed and run in production has changed dramatically over the past decade. These changes are just now going mainstream. Getting your advice strictly from unicorn companies is like getting dieting advice from celebrities: the tips will work if you have unlimited resources, few constraints, and, well, are already successful. Learn what those who work in the real world do to get the benefits of being cloud native!
Get hands-on advice for rapid Agile prototyping in a product team.
You'll learn:
- How to determine the right depth and breadth for MVP prototypes.
- How to prioritize use cases for prototyping.
- How to elicit the right stakeholder and user feedback.
- How to correctly annotate prototypes for dev and QA.
Estimation of agile functionality in software developmentBashir Nasr Azadani
Estimation of Agile Functionality in Software Development - ISBN: 978-988-98671-8-8
Publication date: Mar 21, 2008 presented at International MultiConference of Engineers and Computer Scientists 2008 Vol I
Deliverable 2 - Using Visuals to Enhance Viewer PerceptionCompet.docxtheodorelove43763
Deliverable 2 - Using Visuals to Enhance Viewer Perception
Competency
Analyze and interpret perceptual elements of visual media communication to identify effective visual messages.
Scenario
You have been hired by a large law enforcement agency to analyze the images used on advertising billboards in both urban and suburban regions. The billboards visually display a new campaign message to improve neighborhood safety.
During your analysis, you find that the images used on billboards in the urban areas are exactly the same as the images used in the suburban areas. Both images show parents happily talking with law enforcement officers while children run over green lawns having a fun balloon fight. You decide that these images are not sending proper perceptual messages. You decide to create a visual analysis video for the law enforcement agency to share with the administration
For the video visual analysis, you realize you will need to find two new images that are quite different from one another. One image will be used on the urban billboard, and the other image will be used on the suburban billboard. In your video presentation, you will compare and contrast how each image utilizes the following:
1. Compare and contrast the visual elements of cultural familiarity. Explain why it is important to use culturally familiar visuals that are quite different in the urban and suburban billboard images. Include specific visuals in your visual analysis.
2. Identify specific visual examples of the following cognitive elements: memories, experiences, and expectation. Compare and contrast how urban and suburban viewers may be affected differently by those specific cognitive visual elements.
3. Explain the difference between urban and suburban viewers' emotionally engagement with each of the billboard images.
4. Identify visual semiotic codes in both images: metonymic, analogical, displaced, and condensed. Discuss the importance of using these codes. Include specific visuals in each part of your visual analysis.
As you outline your ideas for the video, you decide to record your verbal analysis while analyzing the two visuals in less than seven minutes for added clarity.
/
FEATURE
8 common project management mistakes — and how to avoid them
IT executives and certified project management professionals reveal the most common reasons projects get derailed and
what project managers can do to keep them on track.
By Jennifer Lonoff Schiff
CIO |
JUN 28, 2017 3:00 AM PDT
So many projects, so much mismanagement. That's the refrain of many IT executives. Indeed, even with project
management software, IT projects often wind up taking longer (much longer) than planned and costing more than
budgeted.
While no two projects are exactly the same, the issues that can affect — and potentially jeopardize — them are
often quite similar. And even good project managers can make mistakes when wrangling a big, complex project —
or when being bombarded with change requests..
Deliverable 2 - Using Visuals to Enhance Viewer PerceptionCompet.docxcargillfilberto
Deliverable 2 - Using Visuals to Enhance Viewer Perception
Competency
Analyze and interpret perceptual elements of visual media communication to identify effective visual messages.
Scenario
You have been hired by a large law enforcement agency to analyze the images used on advertising billboards in both urban and suburban regions. The billboards visually display a new campaign message to improve neighborhood safety.
During your analysis, you find that the images used on billboards in the urban areas are exactly the same as the images used in the suburban areas. Both images show parents happily talking with law enforcement officers while children run over green lawns having a fun balloon fight. You decide that these images are not sending proper perceptual messages. You decide to create a visual analysis video for the law enforcement agency to share with the administration
For the video visual analysis, you realize you will need to find two new images that are quite different from one another. One image will be used on the urban billboard, and the other image will be used on the suburban billboard. In your video presentation, you will compare and contrast how each image utilizes the following:
1. Compare and contrast the visual elements of cultural familiarity. Explain why it is important to use culturally familiar visuals that are quite different in the urban and suburban billboard images. Include specific visuals in your visual analysis.
2. Identify specific visual examples of the following cognitive elements: memories, experiences, and expectation. Compare and contrast how urban and suburban viewers may be affected differently by those specific cognitive visual elements.
3. Explain the difference between urban and suburban viewers' emotionally engagement with each of the billboard images.
4. Identify visual semiotic codes in both images: metonymic, analogical, displaced, and condensed. Discuss the importance of using these codes. Include specific visuals in each part of your visual analysis.
As you outline your ideas for the video, you decide to record your verbal analysis while analyzing the two visuals in less than seven minutes for added clarity.
/
FEATURE
8 common project management mistakes — and how to avoid them
IT executives and certified project management professionals reveal the most common reasons projects get derailed and
what project managers can do to keep them on track.
By Jennifer Lonoff Schiff
CIO |
JUN 28, 2017 3:00 AM PDT
So many projects, so much mismanagement. That's the refrain of many IT executives. Indeed, even with project
management software, IT projects often wind up taking longer (much longer) than planned and costing more than
budgeted.
While no two projects are exactly the same, the issues that can affect — and potentially jeopardize — them are
often quite similar. And even good project managers can make mistakes when wrangling a big, complex project —
or when being bombarded with change requests..
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
Contact with Dawood Bhai Just call on +92322-6382012 and we'll help you. We'll solve all your problems within 12 to 24 hours and with 101% guarantee and with astrology systematic. If you want to take any personal or professional advice then also you can call us on +92322-6382012 , ONLINE LOVE PROBLEM & Other all types of Daily Life Problem's.Then CALL or WHATSAPP us on +92322-6382012 and Get all these problems solutions here by Amil Baba DAWOOD BANGALI
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Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
1. “I was lucky enough to be at the beginning of this story, with early
experiences on the 'birth project' of Extreme Programming and a
co-author of the Manifesto for Agile Software Development.”
Martin Fowler
By Adeem Akhtar
2. Born: 1963 in England
Education: University College London (BSc, 1986)
Occupation: Software developer, author, public speaker
Employer: ThoughtWorks, an application development and consulting company.
Working as Chief Scientist.
He has written eight books on the topic of software development.
He is a member of the Agile Alliance and helped create the Manifesto for Agile
Software Development in 2001, along with 16 fellow signatories.
He maintains a bliki, a mix of blog and wiki.
He popularized the term Dependency Injection as a form of Inversion of Control.
3. About ThoughtWorks
4000 Employees
14 Countries
40 Offices
Game-changers - ThoughtWorks started using agile techniques in 2000
We work with people and organizations who have ambitious missions –
Our Agile development tools help our clients continuously improve and deliver quality
software.
We are focused on helping our industry improve, and believe in sharing what we
learn. We do this by writing books, blogging, running events, talking at conferences, and
championing open source.
Martin Fowler’s Interview
I came to find ThoughtWorks by
I first spent some time as a consultant on a large Java project to build a back-end
leasing application. After nine months of that, they asked me to join full time.
The thing I love most about my work is
Finding interesting techniques and figuring out how best to communicate them to a wide
audience. I can have days of frustration trying to figure out how to write about something
clearly, but once it clicks, there's a definite joy there.
4. Publications
1996. Analysis Patterns: Reusable Object Models.
1997. UML Distilled: A Brief Guide to the Standard Object Modeling Language.
1999. Refactoring: Improving the Design of Existing Code, With Kent Beck, John
Brant, William Opdyke, and Don Roberts
2000. Planning Extreme Programming. With Kent Beck
2002. Patterns of Enterprise Application Architecture. With David Rice, Matthew
Foemmel, Edward Hieatt, Robert Mee, and Randy Stafford
2010. Domain-Specific Languages. With Rebecca Parsons
2012. NoSQL Distilled: A Brief Guide to the Emerging World of Polyglot Persistence.
With Pramod Sadalage.
2013. Refactoring: Ruby Edition. With Kent Beck, Shane Harvie, and Jay Fields.
5. The Essence of Agile Software
https://www.youtube.com/watch?v=URlnxbaHhTs
I've always seen the essence of agile thinking resting on two contrasts with traditional
plan-driven software engineering.
Agile Development
is adaptive rather than predictive
is people-oriented rather than process-oriented
Plan-driven engineering expects us to come up with a predictive plan that precedes
development.
Agile plans are a baseline that we use to help us control change. Agile teams plan just
as carefully as traditional teams, but the plans are constantly changing to reflect the
things we learn during a project. Success is based on value delivered by the software.
Plan-driven engineering seeks a process which provides enough structure to reduce
individual variations to insignificance.
Agile engineering sees software development as a primarily human activity, where the
people involved and how they bond as a team are the primary driver behind success.
Processes (and tools) can enhance a team's effectiveness, but are always second-order
influences.
6. Purpose Of Estimation
A common scenario runs like this:
Developers are asked for (or given) estimates for upcoming work. People are
optimists, so these estimates tend to be too low, even without pressure to make them
low (and there's usually at least some implicit pressure)
These tasks and estimates are turned into release plans tracked with burn-down
charts.
Time and effort goes into monitoring progress against these plans. Everyone is upset
when actual end up being more than estimates. In effort to increase pace with the
estimates, developers are told to sacrifice quality, which only makes things worse.
In this narrative, effort put into estimates is, at best, waste - since "an estimate is a
guess in a clean shirt
Estimates also set expectations, and since estimates are usually too low, they set
unrealistic expectations
7. Faced with situations like this, it's easy to see how people turn their angry glares
towards estimation. This leads to an increasing notion that anyone indulging in
estimating is Not a True Agilist. Critics of agile say this means that agile development is
about developers going off and doing vague stuff with promises that it'll be done when its
done and you'll like it.
I don't share this view of estimation as an inherently evil activity. If I'm asked if estimation
is a Bad Thing my answer is the standard consultants' answer of "it depends". Whenever
someone answers "it depends" the follow-up question is "upon what".
To answer that we have to ask why we are doing estimation - as I like to say "if it's worth
doing well, it's worth asking why on earth you're doing it at all".
For me, estimation is valuable when it helps you make a significant
decision.
My first example of an estimation-informed decision is allocation of resources.
8. Organizations have a mostly fixed amount of money and people, and usually there are
too many worthwhile things to do. So people are faced with decisions: do we do A or B?
Faced with such a decision it's useful to know how much effort (and cost) each will
involve.
To make sensible decisions about what to do, you need to have a feel for both the cost
and the benefits.
Another example is to help with coordination. The blue team wants to release a new
feature to their web site, but cannot do so until the green team builds a new service to
give them crucial data. If the green team estimates they will be done in two months and
the blue team estimates that it will take them a month to build the feature, then the blue
team knows it's not worthwhile to start today. They can spend at least a month working
on some other feature that can be released earlier.
9. Understanding the decision may also lead you to alternative actions that may not involve
an estimate. Maybe task A is so much more important than B that you don't need an
estimate to put all your available energies into doing it first. Perhaps there is a way for
blue team members to work with the green team to get the service built more quickly.
Similarly, tracking against a plan should also be driven by how it informs decision
making. My usual comment here is that a plan acts as a baseline to help assess
changes - if we want to add a new feature, how do we fit it into the FivePoundBag?
Estimates can help us understand these trade-offs and thus decide how to respond to
change. On a larger scale re-estimating a whole release can help us understand if the
project as a whole is still the best use of our energy.
A few years ago we had a year-long project that was cancelled after a re-estimate a
couple of months in. We saw that as a success because the re-estimate suggested the
project would take much longer than we had initially expected - early cancellation
allowed the client to move resources to a better target.
10. But remember with tracking against plans that estimates have a limited shelf life. I once
remember a gnarly project manager say that plans and estimates were like a lettuce,
good for a couple of days, rather witty after a week, and unrecognizable after a couple of
months.
Many teams find that estimation provides a useful forcing function to get team members
to talk to each other. Estimation meetings can help get better understanding of various
ways to implement upcoming stories, future architectural directions, and design
problems in the code base.
Estimation is neither good or bad. If you can work effectively without estimation, then go
ahead and do without it.
If you think you need some estimates, then make sure you understand their role in
decision making. If they are going to affect significant decisions then go ahead and
make the best estimates you can. Above all be wary of anyone who tells you they are
always needed, or never needed. Any arguments about use of estimation always defer
to the agile principle that you should decide what are the right techniques for your
particular context.
11. Continuous Integration (CI)
Eliminate blind spots so you can build and deliver software more rapidly.
Continuous Integration (CI) is a development practice that requires developers
to integrate code into a shared repository several times a day. Each check-in is
then verified by an automated build, allowing teams to detect problems early.
By integrating regularly, you can detect errors quickly, and locate them more
easily.
Solve problems quickly
Because you’re integrating so frequently, there is significantly less back-
tracking to discover where things went wrong, so you can spend more time
building features.
Continuous Integration is cheap. Not continuously integrating is costly. If you
don’t follow a continuous approach, you’ll have longer periods between
integrations. This makes it exponentially more difficult to find and fix problems.
Such integration problems can easily knock a project off-schedule, or cause it
to fail altogether.
12. Continuous Integration brings multiple benefits to your organization:
Say goodbye to long and tense integrations
Increase visibility which enables greater communication
Catch issues fast and nip them in the bud
Spend less time debugging and more time adding features
Proceed in the confidence you’re building on a solid foundation
Stop waiting to find out if your code’s going to work
Reduce integration problems allowing you to deliver software more rapidly
More than a process
Continuous Integration is backed by several important principles and practices.
The Practices
Maintain a single source repository
Automate the build
Make your build self-testing
Every commit should build on an integration machine
Keep the build fast
Test in a clone of the production environment
Make it easy for anyone to get the latest executable
Everyone can see what’s happening
Automate deployment
13. How to do it
Developers check out code into their private workspaces.
When done, commit the changes to the repository.
The CI server monitors the repository and checks out changes when they
occur.
The CI server builds the system and runs unit and integration tests.
The CI server releases deployable artefacts for testing.
The CI server assigns a build label to the version of the code it just built.
The CI server informs the team of the successful build.
If the build or tests fail, the CI server alerts the team.
The team fix the issue at the earliest opportunity.
Continue to continually integrate and test throughout the project.
Team Responsibilities
Check in frequently
Don’t check in broken code
Don’t check in untested code
Don’t check in when the build is broken
Don’t go home after checking in until the system builds
Many teams develop rituals around these policies, meaning the teams
effectively manage themselves, removing the need to enforce policies from on
high.
14. Continuous Deployment
Continuous Deployment is closely related to Continuous Integration and refers
to the release into production of software that passes the automated tests.
Essentially, “it is the practice of releasing every good build to users,” explains
Jez Humble, author of Continuous Delivery.
By adopting both Continuous Integration and Continuous Deployment, you not
only reduce risks and catch bugs quickly, but also move rapidly to working
software.
With low-risk releases, you can quickly adapt to business requirements and
user needs. This allows for greater collaboration between ops and delivery,
fuelling real change in your organization, and turning your release process into
a business advantage.