The document discusses how human thinking involves two systems - system 1 which is fast, instinctive, and prone to errors, and system 2 which is slower, more deliberate, and reasoned. It provides examples of how cognitive biases from system 1 can negatively impact software development processes if not accounted for. Some recommendations include applying processes and collaboration to engage more deliberate system 2 thinking, regularly reflecting on decisions made, and continuing to learn from experiences and knowledge of others.
JAXLondon 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller ‘Thinking, Fast and Slow’, Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I’m not so sure. Here I’ll share my thinking on thinking, and provide guidance, processes and models to help overcome some of the identified limitations of our decision-making abilities.
Topics that will be discussed include; the ‘Availability Heuristic’, which can lead developers to choose the ‘latest and greatest’ technology without proper evaluation; ‘Optimistic Bias’, which can blind architects from the ‘unknown unknowns’ within a project; and more!
SC 2015: Thinking Fast and Slow with Software DevelopmentDaniel Bryant
In the international bestseller ‘Thinking, Fast and Slow’, Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I’m not so sure. Here I’ll share my thinking on thinking. Topics that will be discussed include; the ‘Availability Heuristic’, which can lead developers to choose the ‘latest and greatest’ technology without proper evaluation; ‘Optimistic Bias’ which can blind architects from the ‘unknown unknowns’ within a project; and more!
DLJCJUG 2015: The Seven Deadly Sins of MicroservicesDaniel Bryant
All is not completely rosy in microservice-land. It is often a sign of an architectural approach’s maturity that in addition to the emergence of well-established principles and practices, that anti-patterns also begin to be identified and classified. In this talk we introduce seven deadly sins that if left unchecked could easily ruin your next microservices project...
This talk will take a tour of some of the nastiest anti-patterns in microservices, giving you the tools to not only avoid but also slay these demons before they tie up your project in their own special brand of hell. Topics covered include: Pride - selfishly ignoring the new requirements for testing; Envy - introducing inappropriate intimacy within services by creating a shared domain model; Wrath - failing to deal with the inevitable bad things that occur within a distributed system; Sloth - composing services in a lazy fashion, which ultimately leads to the creation of a “Distributed Monolith”; and Lust - embracing the latest and greatest technology without evaluating the operational impact incurred by these choices.
LJC 2014 "Professional Software Development: Thinking Fast and Slow"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk briefly explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking.
This is the second iteration of this talk.
Devternity 2016 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking. Topics that will be discussed include; the 'Availability Heuristic', which can lead developers to choose the 'latest and greatest' technology without proper evaluation; 'Optimistic Bias' which can blind architects from the 'unknown unknowns' within a project; and more!
J1 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller Thinking, Fast and Slow, Daniel Kahneman explains how we, as human beings, think and reason and, perhaps surprisingly, how our thought processes are often fundamentally flawed and biased. This session explores the ideas presented in the book in the context of professional software development. Along this journey, the presentation also shares techniques, processes, and models that can help overcome some of the identified limitations of our decision-making abilities. Topics discussed include the “availability heuristic,” which can lead developers to choose the “latest and greatest” technology without proper evaluation; “optimistic bias,” which can blind architects so they can’t see the “unknown unknowns” within a project; and more.
JAXLondon 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller ‘Thinking, Fast and Slow’, Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I’m not so sure. Here I’ll share my thinking on thinking, and provide guidance, processes and models to help overcome some of the identified limitations of our decision-making abilities.
Topics that will be discussed include; the ‘Availability Heuristic’, which can lead developers to choose the ‘latest and greatest’ technology without proper evaluation; ‘Optimistic Bias’, which can blind architects from the ‘unknown unknowns’ within a project; and more!
SC 2015: Thinking Fast and Slow with Software DevelopmentDaniel Bryant
In the international bestseller ‘Thinking, Fast and Slow’, Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I’m not so sure. Here I’ll share my thinking on thinking. Topics that will be discussed include; the ‘Availability Heuristic’, which can lead developers to choose the ‘latest and greatest’ technology without proper evaluation; ‘Optimistic Bias’ which can blind architects from the ‘unknown unknowns’ within a project; and more!
DLJCJUG 2015: The Seven Deadly Sins of MicroservicesDaniel Bryant
All is not completely rosy in microservice-land. It is often a sign of an architectural approach’s maturity that in addition to the emergence of well-established principles and practices, that anti-patterns also begin to be identified and classified. In this talk we introduce seven deadly sins that if left unchecked could easily ruin your next microservices project...
This talk will take a tour of some of the nastiest anti-patterns in microservices, giving you the tools to not only avoid but also slay these demons before they tie up your project in their own special brand of hell. Topics covered include: Pride - selfishly ignoring the new requirements for testing; Envy - introducing inappropriate intimacy within services by creating a shared domain model; Wrath - failing to deal with the inevitable bad things that occur within a distributed system; Sloth - composing services in a lazy fashion, which ultimately leads to the creation of a “Distributed Monolith”; and Lust - embracing the latest and greatest technology without evaluating the operational impact incurred by these choices.
LJC 2014 "Professional Software Development: Thinking Fast and Slow"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk briefly explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking.
This is the second iteration of this talk.
Devternity 2016 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking. Topics that will be discussed include; the 'Availability Heuristic', which can lead developers to choose the 'latest and greatest' technology without proper evaluation; 'Optimistic Bias' which can blind architects from the 'unknown unknowns' within a project; and more!
J1 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller Thinking, Fast and Slow, Daniel Kahneman explains how we, as human beings, think and reason and, perhaps surprisingly, how our thought processes are often fundamentally flawed and biased. This session explores the ideas presented in the book in the context of professional software development. Along this journey, the presentation also shares techniques, processes, and models that can help overcome some of the identified limitations of our decision-making abilities. Topics discussed include the “availability heuristic,” which can lead developers to choose the “latest and greatest” technology without proper evaluation; “optimistic bias,” which can blind architects so they can’t see the “unknown unknowns” within a project; and more.
DUCAT provides an extensive training in JAVA Technology and Job Assistance in order to ensure a guarantee of 100% placement for its students. Ducat provides training in JAVA (Core Java, Advanced Java /J2EE, STRUTS FRAMEWORK, HIBERNATE, SPRINGS FRAMEWORK) by Experienced Faculty. This training is also supported with the help of live projects in JAVA Technology which provides industrial exposure to the candidates & helps the Candidate to finding a suitable job in JAVA. Ducat provides training by experienced Industry Professionals. We have a dedicated placement cell which provides placement in JAVA to all the candidates
Transformation digitale et banques de detail BRIVA
Digital, Big data, Blockchain, …Tous les ingrédients sont présents pour ouvrir une nouvelle ère qui va transformer en profondeur les métiers et les chaînes de valeur de la finance en général et de la bancassurance en particulier. La façon de comprendre les clients, de maîtriser la donnée client et d’offrir une excellence relationnelle anytime-anywhere-anydevice est un enjeu crucial.
Quels sont les impacts de cette révolution digitale sur les stratégies de distribution et les stratégies relationnelles des banques de détail ?
As we start 2017, EPIP welcomes you to this webinar to introduce the scope of what's ahead for the year. You will also be able to provide feedback that will inform what we offer you in the new year. Come learn more about our:
Post-Election Special Series of Webinars
The UNITY Summit with CHANGE Philanthropy
Updates on local chapters and other national programs
Компания Боссфильм - видеопродакшен полного цикла. От разработки идеи до озвучки и компьютерной графики. Мы не только создаем профессиональное видео, но и продвигаем его YouTube и Google.
Мы делаем:
Рекламные ролики, промо видеоролики, корпоративные фильмы, вирусное видео.
Воздаем и ведем корпоративные каналы YouTube.
An investigator’s job is to come to an unbiased conclusion about something that has occurred. But if the investigator is impacted by unconscious biases, staying impartial can be challenging. It’s important, therefore, for anyone conducting investigations to recognize the potential for bias and work towards eliminating it. The more we understand our own biases, and the vulnerability we all have to be influenced by cognitive biases, the more we can do to prevent these biases from impacting our decision making.Join Amy Oppenheimer, attorney, author and leading expert on workplace investigations, teaches investigators to conduct impartial investigations that aren’t affected by unconscious biases or the influence of external forces. Webinar attendees will learn:
To identify the different forms of unconscious bias
The impact that bias can have on an investigation
How to recognize the signs of unconscious bias
What the Implicit Association Test (IAT) can teach us about unconscious bias
What studies have taught us about bias in different segments, such as law and education
What confirmation bias is and how to avoid it
Version incompleta libro terminologia táctica aplicadaUNAM
Quedan rigurosamente prohibidas, sin la autorización escrita del autor, bajo las sanciones establecidas en las leyes, la reproducción total o parcial de esta obra, por cualquier medio o procedimiento, comprendida la reprografía y el tratamiento informático y la distribución de ejemplares de ella, mediante alquiler o préstamo públicos.
JAX London 2016: "Empathy - The hidden ingredient of good software development?"Daniel Bryant
When I ask fellow developers what they think about empathy, the answer is often “not much”. However, I believe that the skill of empathy, being able to place yourself in another’s position, is crucial to designing, building and operating software at any scale. Join me for a whistle-stop tour of the benefits of empathy, which I learned from working on a large variety of software projects over the past ten years. I will share success stories and battle scars, and suggest practical techniques that you can harness in order to help your team develop empathy.
Microservice Summit 2016 "Microservices: The Organisational and People Impact"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
Microservices: The Organizational and People ImpactAmbassador Labs
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
SwisscomSoftwareDay 2016 "The Trials and Tribulations of Making Software Small"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
Jfokus 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking. Topics that will be discussed include; the 'Availability Heuristic', which can lead developers to choose the 'latest and greatest' technology without proper evaluation; 'Optimistic Bias' which can blind architects from the 'unknown unknowns' within a project; and more!
microXchg 2017: "Microservices: The People and Organisational Impact"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
DUCAT provides an extensive training in JAVA Technology and Job Assistance in order to ensure a guarantee of 100% placement for its students. Ducat provides training in JAVA (Core Java, Advanced Java /J2EE, STRUTS FRAMEWORK, HIBERNATE, SPRINGS FRAMEWORK) by Experienced Faculty. This training is also supported with the help of live projects in JAVA Technology which provides industrial exposure to the candidates & helps the Candidate to finding a suitable job in JAVA. Ducat provides training by experienced Industry Professionals. We have a dedicated placement cell which provides placement in JAVA to all the candidates
Transformation digitale et banques de detail BRIVA
Digital, Big data, Blockchain, …Tous les ingrédients sont présents pour ouvrir une nouvelle ère qui va transformer en profondeur les métiers et les chaînes de valeur de la finance en général et de la bancassurance en particulier. La façon de comprendre les clients, de maîtriser la donnée client et d’offrir une excellence relationnelle anytime-anywhere-anydevice est un enjeu crucial.
Quels sont les impacts de cette révolution digitale sur les stratégies de distribution et les stratégies relationnelles des banques de détail ?
As we start 2017, EPIP welcomes you to this webinar to introduce the scope of what's ahead for the year. You will also be able to provide feedback that will inform what we offer you in the new year. Come learn more about our:
Post-Election Special Series of Webinars
The UNITY Summit with CHANGE Philanthropy
Updates on local chapters and other national programs
Компания Боссфильм - видеопродакшен полного цикла. От разработки идеи до озвучки и компьютерной графики. Мы не только создаем профессиональное видео, но и продвигаем его YouTube и Google.
Мы делаем:
Рекламные ролики, промо видеоролики, корпоративные фильмы, вирусное видео.
Воздаем и ведем корпоративные каналы YouTube.
An investigator’s job is to come to an unbiased conclusion about something that has occurred. But if the investigator is impacted by unconscious biases, staying impartial can be challenging. It’s important, therefore, for anyone conducting investigations to recognize the potential for bias and work towards eliminating it. The more we understand our own biases, and the vulnerability we all have to be influenced by cognitive biases, the more we can do to prevent these biases from impacting our decision making.Join Amy Oppenheimer, attorney, author and leading expert on workplace investigations, teaches investigators to conduct impartial investigations that aren’t affected by unconscious biases or the influence of external forces. Webinar attendees will learn:
To identify the different forms of unconscious bias
The impact that bias can have on an investigation
How to recognize the signs of unconscious bias
What the Implicit Association Test (IAT) can teach us about unconscious bias
What studies have taught us about bias in different segments, such as law and education
What confirmation bias is and how to avoid it
Version incompleta libro terminologia táctica aplicadaUNAM
Quedan rigurosamente prohibidas, sin la autorización escrita del autor, bajo las sanciones establecidas en las leyes, la reproducción total o parcial de esta obra, por cualquier medio o procedimiento, comprendida la reprografía y el tratamiento informático y la distribución de ejemplares de ella, mediante alquiler o préstamo públicos.
JAX London 2016: "Empathy - The hidden ingredient of good software development?"Daniel Bryant
When I ask fellow developers what they think about empathy, the answer is often “not much”. However, I believe that the skill of empathy, being able to place yourself in another’s position, is crucial to designing, building and operating software at any scale. Join me for a whistle-stop tour of the benefits of empathy, which I learned from working on a large variety of software projects over the past ten years. I will share success stories and battle scars, and suggest practical techniques that you can harness in order to help your team develop empathy.
Microservice Summit 2016 "Microservices: The Organisational and People Impact"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
Microservices: The Organizational and People ImpactAmbassador Labs
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
SwisscomSoftwareDay 2016 "The Trials and Tribulations of Making Software Small"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
Jfokus 2015 "Thinking Fast and Slow with Software Development"Daniel Bryant
In the international bestseller 'Thinking, Fast and Slow', Daniel Kahneman explains how we as human beings think and reason, and perhaps surprisingly how our thought processes are often fundamentally flawed and biased. This talk explores the ideas presented in the book in the context of professional software development. As software developers we all like to think that we are highly logical, and make only rational choices, but after reading the book I'm not so sure. Here I'll share my thinking on thinking. Topics that will be discussed include; the 'Availability Heuristic', which can lead developers to choose the 'latest and greatest' technology without proper evaluation; 'Optimistic Bias' which can blind architects from the 'unknown unknowns' within a project; and more!
microXchg 2017: "Microservices: The People and Organisational Impact"Daniel Bryant
Microservices are where it's at. Everything is easier to manage when it's micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). 'Micro' things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we'll suggest tricks and techniques to help you manage your 'micro' teams and the 'macro' level.
Topics covered include: empathy - because understanding others is at the heart of everything you do; leadership - advice on creating shared understanding, conveying strategy, and developing your team; organisational structure - from Zappos' holocracy to MegaOrg's strict hierarchy, from Spotify's squads, chapters and guilds, to BigCorp's command and control. There is a management style for everybody; and more
The London Web "Empathy - The Hidden Ingredient of Good Software Development"Daniel Bryant
When I ask fellow developers what they think about empathy, the answer is often “not much”. However, I believe that the skill of empathy, being able to place yourself in another’s position, is crucial to designing, building and operating software at any scale. Join me for a whistle stop tour of the benefits of empathy, which I have learned from working on a wide variety of software projects over the previous ten years. I will share stories of success and failure, and suggest practical techniques that you can harness in order to help your team develop empathy.
When gathering requirements and performing business analysis, it is obvious that the ability to experience from within another user/customer/being's frame of reference is a valuable skill, but the same can be said when writing code. If we follow Martin Fowler’s train of thought where “any fool can write code that a computer can understand. Good programmers write code that humans can understand” we can see that empathy is at the heart of this skill. We could also argue that the rise of “DevOps” is simply both sides of the traditional divide trying to understand each other better. Developing the skill of empathy isn’t necessarily easy, but in this talk I will share my learnings, techniques and tricks for developing more effective software.
LMSUG 2015 "The Business Behind Microservices: Organisational, Architectural ...Daniel Bryant
The technology changes required when implementing a microservice-based application are only one part of the equation. The business and organisation will also most likely have to fundamentally change. In an ideal world, this shouldn’t be a problem - what with the rise of agile, lean and DevOps - but this is not always the situation I encounter in my consulting travels. I would like to share some stories of successful (and not so successful) strategies and tactics I have used over the past four years when introducing service-oriented architecture into organisations.
Join me for a whistle-stop tour of the business and people challenges that I have experienced first hand when implementing a greenfield microservice project, and also breaking down a monolith. We’ll look at ‘divided companies’ vs ‘connected companies’, determine the actual impact of conway's law, briefly touch on the lean startup/enterprise mindset, dive into change management without the management double-speak, and look at the lightweight processes needed to ensure the technical success of a microservices implementation.
OSCON EU 2016 "Seven (More) Deadly Sins of Microservices"Daniel Bryant
All is not completely rosy in microservice-land. It’s often a sign of an architectural approach’s maturity that anti-patterns begin to be identified and classified alongside well-established principles and practices. Daniel Bryant introduces seven deadly sins from real projects, which left unchecked could easily ruin your next microservices project.
Daniel offers an updated tour for 2016 of some of the nastiest anti-patterns in microservices from several real-world projects he’s encountered as a consultant, providing a series of anti-pattern “smells” you can sniff out and exploring the tools and techniques you need to avoid or mitigate the potential damage.
Topics include:
Pride: Selfishly building the wrong thing, such as the "Inter-Domain-Enterprise-Application-Service-Bus” or a fully bespoke infrastructure platform
Envy: Introducing inappropriate intimacy within services by creating a shared “canonical” domain model
Wrath: Failing to deal with the inevitable bad things that occur within a distributed system
Sloth: Composing services in a lazy fashion, which ultimately leads to the creation of a "distributed monolith”
Lust: Embracing the latest and greatest technology without evaluating the operational impact incurred by these choices
DevoxxUK 2015 "The Seven Deadly Sins of Microservices (Full Version)"Daniel Bryant
All is not completely rosy in microservice-land. It is often a sign of an architectural approach’s maturity that in addition to the emergence of well established principles and practices, that anti-patterns also begin to be identified and classified. In this talk we introduce seven deadly sins that if left unchecked could easily ruin your next microservices project...
This talk will take a tour of some of the nastiest anti-patterns in microservices, giving you the tools to not only avoid but also slay these demons before they tie up your project in their own special brand of hell. Topics covered include: Pride - selfishly ignoring the new requirements for testing; Envy - introducing inappropriate intimacy within services by creating a shared domain model; Wrath - failing to deal with the inevitable bad things that occur within a distributed system; Sloth - composing services in a lazy fashion, which ultimately leads to the creation of a “Distributed Monolith”; and Lust - embracing the latest and greatest technology without evaluating the operational impact incurred by these choices.
QCon NY 2016: "The Seven (More) Deadly Sins of Microservices"Daniel Bryant
All is not completely rosy in microservice-land. It is often a sign of an architectural approach’s maturity that in addition to the emergence of well established principles and practices, that anti-patterns also begin to be identified and classified. In this talk we introduce the 2016 edition of the seven deadly sins that if left unchecked could easily ruin your next microservices project... This talk will take a tour of some of the nastiest anti-patterns in microservices, giving you the tools to not only avoid but also slay these demons before they tie up your project in their own special brand of hell.
Topics covered include: Pride - selfishly ignoring the new requirements for testing; Envy - introducing inappropriate intimacy within services by creating a shared domain model; Wrath - failing to deal with the inevitable bad things that occur within a distributed system; Sloth - composing services in a lazy fashion, which ultimately leads to the creation of a “Distributed Monolith”; and Lust - embracing the latest and greatest technology without evaluating the operational impact incurred by these choices.
CraftConf16 "Empathy: The Hidden Ingredient of Good Software Development?"Daniel Bryant
When I ask fellow developers what they think about empathy, the answer is often “not much”. However, I believe that the skill of empathy, being able to place yourself in another’s position, is crucial to designing, building and operating software at any scale. Join me for a whistle stop tour of the benefits of empathy, which I have learned from working on a wide variety of software projects over the previous ten years. I will share stories of success and failure, and suggest practical techniques that you can harness in order to help your team develop empathy.
When gathering requirements and performing business analysis, it is obvious that the ability to experience from within another user/customer/being's frame of reference is a valuable skill, but the same can be said when writing code. If we follow Martin Fowler’s train of thought where “any fool can write code that a computer can understand. Good programmers write code that humans can understand” we can see that empathy is at the heart of this skill. We could also argue that the rise of “DevOps” is simply both sides of the traditional divide trying to understand each other better. Developing the skill of empathy isn’t necessarily easy, but in this talk I will share my learnings, techniques and tricks for developing more effective software.
CTOs in London "The Challenges of Evaluating Development Technology Within th...Daniel Bryant
As a technology-focused CTO it can be very challenging to effectively bridge the goals between the business and technology. A primary challenge is maintaining an awareness of current (and future) technologies that could add value to your business, and developing the knowledge and skills to correctly evaluate them the unique perspective (and incentives) of the CTO position. This talk aims to share some of the techniques the OpenCredo team have identified over the past decade of working alongside technology leaders from a variety of organisations.
BCS 2016 "Intro to Microservices (and the Seven Deadly Sins)"Daniel Bryant
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All is not completely rosy in microservice-land. It is often a sign of an architectural approach’s maturity that in addition to the emergence of well established principles and practices, that anti-patterns also begin to be identified and classified. In this talk we introduce the original edition of the seven deadly sins that, if left unchecked, could easily ruin your next microservices project... This talk will take a tour of some of the nastiest anti-patterns in microservices, giving you the tools to not only avoid but also slay these demons before they tie up your project in their own special brand of hell.
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Microservices are where it’s at. Everything is easier to manage when it’s smaller, right? ‘Micro’ things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. Join this session to learn more.
Microservices are where it’s at. Everything is easier to manage when it’s micro, right? Micro code bases (less than 10 LOC), micro containers (less than 10Mb), and micro teams (less than one person???). ‘Micro’ things may appear to be easier to manage, but there is always a macro context, and working with people and teams is no exception. This talk presents some of the challenges the OpenCredo team have seen when implementing microservices within a range of organisations, and we’ll suggest tricks and techniques to help you manage your ‘micro’ teams and the ‘macro’ level.
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http://www.nten.org/session/digital-inclusion-program-sustainability-documenting-lessons-sharing-successes-and-transitioning-work/
This session is designed specifically for the Digital Inclusion Fellows, though other NTC attendees are welcome to attend.
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http://www.nten.org/session/digital-inclusion-program-sustainability-documenting-lessons-sharing-successes-and-transitioning-work/
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Thinking fast and slow with software development - Daniel Bryant
1. Thinking, Fast and Slow…
With Software Development
Daniel Bryant
Principal Consultant, OpenCredo
daniel.bryant@opencredo.com
@danielbryantuk
2. Think More Deliberately
• Our decision making can be flawed…
• Apply process and models (as appropriate)
• Collaborate more (and better)
• Plan, do, check, act…
16/10/2015 @danielbryantuk
3. Who Am I?
• London Java Community Associate
• muservicesweekly.com
• InfoQ Editor, DZone MVB, Voxxed
16/10/2015 @danielbryantuk
• Principal Consultant at OpenCredo
Technical/digital transformation
CI/CD, DevOps
Microservices, cloud and containers
{{ insert latest buzzword }}
5. Our Thinking: A Tale of Two Systems…
System 1:
fast, instinctive, emotional, subconscious
System 2:
slower, deliberate, reasoning, conscious
16/10/2015 @danielbryantuk
12. Bob is a single male in his 20’s who is bright,
quiet, likes science fiction and fantasy, and
avoids interacting with people in the real world
Which is more probable?
• Bob is a programmer
• Bob is a programmer and plays MMORPG?
16/10/2015 @danielbryantuk
14. Our Thinking: A Tale of Two Systems…
System 1:
fast, instinctive, emotional, subconscious
Rapid, associative, and has systemic errors
System 2:
slower, deliberate, reasoning, conscious
Lazy, and causal (not statistical)
16/10/2015 @danielbryantuk
16. Availability Heuristic
“If something can be recalled,
it must be important”
‘Hipster-itis’
e.g. the ‘best’ architectural style
16/10/2015 @danielbryantuk
17. Microservices
• The current flavour of the month!
– Great ideas, but dangerously over-hyped
• Frameworks and products emerging
– Virtuous (vicious?) circle
– “The bandwagon effect”
– Have we found the silver bullet?…
16/10/2015 @danielbryantuk
18. Whatever is Available
When all you have is a hammer…
…everything looks like a nail
16/10/2015 @danielbryantuk
19. When all you have is a SOA…
…everything looks like a service
(please avoid creating the toString() service)
16/10/2015 @danielbryantuk
20. When all you have is a Jenkins…
…everything looks like a Jenkins Job
16/10/2015 @danielbryantuk
21. When all you have is a Spring Framework…
…everything looks like an AbstractSingletonProxyFactoryBean
16/10/2015 @danielbryantuk
24. Evaluation
“I will postpone using this shiny new framework
until my peers have validated the proposed
benefits with rigorous scientific experiments”
- Said by no programmer
…ever
16/10/2015 @danielbryantuk
26. Optimistic Bias
“People tend to be overconfident,
believing that they have substantial
control in their lives”
I know what our customers want…
…how could I possibly be wrong?
16/10/2015 @danielbryantuk
27. Four Factors of Optimistic Bias
• Desired end state
– Self-enhancement, perceived control
• Cognitive mechanisms
– Representativeness heuristic, singular target focus
• Information about self vs target
• Overall mood
16/10/2015 @danielbryantuk
28. Optimism: Think Professionally
• Define (and share) clear goals
• Build, measure, learn…
• Remove uncertainty early (bit.ly/1mAb6o4)
– “Patterns of Effective Delivery” by Dan North
• Software is inherently collaborative…
16/10/2015 @danielbryantuk
32. “Dev-on-call”
An occasional spike to the head
is a good thing...
...metaphorically speaking
• You build it, you run it
– Shared responsibility
– Communication
16/10/2015 @danielbryantuk
35. Planning Fallacy
“A phenomenon in which predictions about
how much time will be needed to complete a
future task display an optimistic bias. ”
Was your last project completed on time?
…and on budget?
16/10/2015 @danielbryantuk
36. IT Track Record…
• Sainsbury’s Supply Chain Management System
– $526m bit.ly/160SnAj
• NHS patient record system
– £10bn bit.ly/XBzFuV
• HealthCare.gov
– onforb.es/1k7egyb
16/10/2015 @danielbryantuk
37. Most Common Factors for Failure
• Unrealistic or unarticulated project goals
• Inaccurate estimates of needed resources
• Badly defined system requirements
• Poor reporting of the project's status
• Unmanaged risks
• Poor communication among customers, developers, and users
• Use of immature technology
• Inability to handle the project's complexity
• Sloppy development practices
• Poor project management
• Stakeholder politics
• Commercial pressures
Source spectrum.ieee.org/computing/software/why-software-fails
16/10/2015 @danielbryantuk
38. Most Common Factors for Failure
• Unrealistic or unarticulated project goals
• Inaccurate estimates of needed resources
• Badly defined system requirements
• Poor reporting of the project's status
• Unmanaged risks
• Poor communication among customers, developers, and users
• Use of immature technology
• Inability to handle the project's complexity
• Sloppy development practices
• Poor project management
• Stakeholder politics
• Commercial pressures
Source spectrum.ieee.org/computing/software/why-software-fails
16/10/2015 @danielbryantuk
46. Sunk Cost Fallacy
“Any past cost that has already been
paid and cannot be recovered should not
figure into the decision making process. ”
When did you last remove a framework?
…or a library?
16/10/2015 @danielbryantuk
47. Why Are We Reluctant?
• We don’t like being wrong…
• Existing effort appears wasted
– Endowment effect
• Loss aversion
– Twice as powerful, psychologically, as gains?
16/10/2015 @danielbryantuk
48. Try Not to ‘Sink Costs’
16/10/2015 @danielbryantuk
49. Retrospect Regularly
• Did we make the right choice?
• When was the ‘last responsible moment’?
• What can we learn?
• How can we get better?
16/10/2015 @danielbryantuk
50. Anchoring Bias
“Common tendency to rely too heavily
on the first piece of information offered
when making decisions. ”
How does your manager ask for estimates?
…is it an unbiased question?
16/10/2015 @danielbryantuk
52. Anchoring: Learn to “Upwardly Manage”
• Learn to say no…
– Provide explanations and alternatives
• Make sure goals/user stories are well-defined
– Collaboration
– Feedback
• Apply PERT estimations (bit.ly/1mGzuoe)
16/10/2015 @danielbryantuk
53. A Little More #NoEstimates
16/10/2015 @danielbryantuk
54. Read Your Way to Tech Leadership (?)
16/10/2015 @danielbryantuk
58. “You will be the same person in five years as
you are today except for the people you meet
and the books you read.”
- Charlie “Tremendous” Jones
(bit.ly/1LAdQkv)
16/10/2015 @danielbryantuk
61. Summary
• Apply process and models (as appropriate)
– Listen to system 1, but engage system 2…
• Collaborate more (and better)
• Learn, do, retrospect, (teach,) repeat
- “Think” more deliberately -
16/10/2015 @danielbryantuk
62. Thanks for Listening!
Comments and feedback are welcomed…
daniel.bryant@opencredo.com
@danielbryantuk
www.infoq.com/author/Daniel-Bryant
www.parleys.com/author/daniel-bryant
www.muservicesweekly.com
16/10/2015 @danielbryantuk
Editor's Notes
Many explanations for the optimistic bias come from the goals that people want and outcomes they wish to see.[1] People tend to view their risks as less than others because they believe that this is what other people want to see. These explanations include self-enhancement, self-presentation, and perceived control.
Self-enhancement suggests that optimistic predictions are satisfying and that it feels good to think that positive events will happen.
People tend to focus on finding information that supports what they want to see happen, rather than what will happen to them
Representative heuristic: individuals tend to think in stereotypical categories rather than about their actual targets when making comparisons. The estimates of likelihood associated with the optimistic bias are based on how closely an event matches a person's overall idea of the specific event
Individuals know a lot more about themselves than they do about others.[1] Because information about others is less available, information about the self versus others leads people to make specific conclusions about their own risk, but results in them having a harder time making conclusions about the risks of others. This leads to differences in judgments and conclusions about self-risks compared to the risks of others, leading to larger gaps in the optimistic bias
In behavioral economics, the endowment effect (also known as divestiture aversion) is the hypothesis that people ascribe more value to things merely because they own them
(1990 where participants were given a mug and then offered the chance to sell it or trade it for an equally priced alternative good (pens). Kahneman et al. (1990)[2] found that the amount participants required as compensation for the mug once their ownership of the mug had been established ("willingness to accept") was approximately twice as high as the amount they were willing to pay to acquire the mug ("willingness to pay")
Loss aversion implies that one who loses $100 will lose more satisfaction than another person will gain satisfaction from a $100 windfall.
delay commitment until the last responsible moment, that is, the moment at which failing to make a decision eliminates an important alternative. If commitments are delayed beyond the last responsible moment, then decisions are made by default, which is generally not a good approach to making decisions.
The key is to make decisions as late as you can responsibly wait because that is the point at which you have the most information on which to base the decision.
Program Evaluation and Review Technique
Three-point estimation technique
