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Lessons Learned by Eric Ries Monday, June 15, 2009 Why ContinuousDeployment? Of all the tactics I have advocated as part of the lean startup , none has provoked as many extreme reactions as continuousdeployment , a process that allows companies to release software in minutes instead of days, weeks, or months.
A new bit of code contained an infinite loop! why did that code get written? Hes a new employee, and he was not properly trained in TDD So far, this isnt much different from the kind of analysis any competent operations team would conduct for a site outage. Most engineers would ship code to production on their first day.
I am convinced one of Joel Spolskys lasting contributions to the field of managing software teams will turn out to be the Joel Test , a checklist of 12 essential practices that you could use to rate the effectiveness of a software product development team. For more on continuousdeployment, see Just-in-time Scalability.
I believe it is the best introduction to CustomerDevelopment you can buy. As all of you know, Steve Blank is the progenitor of CustomerDevelopment and author of The Four Steps to the Epiphany. Four Steps primarily centers its stories and case studies on B2B hardware and software startups.
It became harder and harder to separate how the software is built from how the software is structured. If youre trying to design an architecture to maximize agility, how can that work if some people are working in TDD and others not? If not, whos going to insist we switch to free and open source software? I dont think so.
Lessons Learned by Eric Ries Monday, February 16, 2009 Continuousdeployment with downloads One of my goals in writing posts about topics like continuousdeployment is the hope that people will take those ideas and apply them to new situations - and then share what they learn with the rest of us.
Lessons Learned by Eric Ries Friday, February 20, 2009 Work in small batches Software should be designed, written, and deployed in small batches. Its had tremendous impact in many areas: continuousdeployment , just-in-time scalability , and even search engine marketing , to name a few. This is easiest to see in deployment.
Integration risk is the term I use to describe the costs of having code sitting on some, but not all, developers machines. It happens whenever youre writing code on your own machine, or you have a team working on a branch. It also happens whenever you have code that is checked-in, but not yet deployed anywhere.
Each specialist takes up his part of the spec (UI, middleware, backend) and cranks out code. So the product manager winds up actually having to use the software, by hand, updating the spec and helping create a new test plan. In exchange, the team agrees to show each piece of working code to the product manager for his approval.
Lessons Learned by Eric Ries Saturday, August 30, 2008 Refactoring for TDD and interaction design In TDD , we follow a rhythm of “test-code-refactor.&# This basic pattern is useful in all aspects of product development. The Entrepreneur’s Guide to CustomerDevelopment ► June (3) What is a startup?
Kent is a significant figure in the field of softwaredevelopment. To his credit are Extreme Programming , jUnit, patterns, TDD , the list goes on. Kent is a significant figure in the field of softwaredevelopment. To his credit are Extreme Programming , jUnit, patterns, TDD , the list goes on.
for Harvard Business Review) Over at Harvard Business Review, Ive been building up a series designed to introduce the Lean Startup methodology to a business-focused audience. This is the first post that moves into making specific process recommendations for product development. Labels: product development Speed up or slow down?
I spent some time with his company before the conference and discussed ways to get started with continuousdeployment , including my experience introducing it at IMVU. Moreover, approaching the problem from the direction that I had intuitively is a recipe for never reaching a point where continuousdeployment is feasible.
Lessons Learned by Eric Ries Wednesday, February 11, 2009 The free software hiring advantage This is one of those startup tips Im a little reluctant to share, because its been such a powerful source of competitive advantage in the companies Ive worked with. Especially for a startup, not taking maximum advantage of free software is crazy.
But there is more to technical debt than just the interest payments that come due. Startups especially can benefit by using technical debt to experiment, invest in process, and increase their product development leverage. In particular, try these three things: Invest in technical debts that may never come due.
My experience is in Enterprise Software - where we are forced to chunk features into formal releases. While it is still possible - and recommended to experiment with customers in order to determine the minimum that they need, the exercise is bit more complicated due to the formality of the release process.
Lessons Learned by Eric Ries Wednesday, September 10, 2008 Smarticus — 10 things you could be doing to your code right now Smarticus — 10 things you could be doing to your code right now A great checklist of techniques and tools for making your development more agile, written from a Rail perspective.
I had the opportunity to pioneer this approach to funnel analysis at IMVU, where it became a core part of our customerdevelopment process. To promote this metrics discipline, we would present the full funnel to our board (and advisers) at the end of every development cycle. Check your assumptions, what went wrong?
When I want to know about some concurrency issues between services in his cluster, he doesnt blink an eye when I suggest we get the source code and take a look. Hes just as comfortable writing code as racking servers, debugging windows drivers, or devising new interview questions. He throws off volumes of code, and it works.
Lessons Learned by Eric Ries Saturday, August 8, 2009 Revisiting the Software Design Manifesto (and whats changed since then) My recent article on technical debt and its positive uses generated a fair bit of controversy. The same might be said of good software. Here we have the beginnings of a theory of design for software.
See Paul Grahams Why Nerds are Unpopular to learn more) Take a look at this article on a programming Q&A site: How old are you, and how old were you when you started coding? We also learned that law is code , and that leadership was needed to build thriving communities in a digital age. Can I send you a review copy?
Steveys Blog Rants: Good Agile, Bad Agile : "Google is an exceptionally disciplined company, from a software-engineering perspective. They take things like unit testing, design documents and codereviews more seriously than any other company Ive even heard about. Case Study: Continuousdeployment makes releases n.
I was the junior guy on a project team; I was called in to do some technical duediligence for reasons that were obscure to me, because the team already had much more senior engineers assigned to it. And like feedback on a simple microphone sound system, this would occasionally boil over into screeching.
For example, a site outage may seem like it was caused by a bad piece of code, but: why was that code written? The net effect of all this was to make new engineers incredibly productive right away – in most cases, we’d have them deliver code to production on their very first day.
And a special thanks is due to all of our presenters, panelists, and mentors. When I first encountered customerdevelopment , it was considered pure lunacy by mainstream entrepreneurs and VCs. Kent Beck is deservedly famous for his many contributions in the software industry. We all owe him our thanks for persevering.
At IMVU , these were quite common (after all, were shipping code 50 times a day). They are collected and reviewed after an appropriate interval (e.g. In response to Sean - Intel still runs a very formal process of setting expectations, evaluating employees and reviewing progress on a quarterly basis. love your openness at IMVU.
And do your customerdevelopment. Im also excited to share two long-form reviews from actual attendees. Inspiring ideas: real-time biz metrics; safe continuousdeployment; A/B split testing. More recently it's skewed to software & web. Case Study: Continuousdeployment makes releases n.
I believe it is a full, company-wide turn through the OODA loop (for a software business, see especially Ideas-Code-Learn ). You need a process for systematically reviewing your costs and eliminating those that slow you down. CustomerDevelopment Engineering : techniques for accelerating your product development.
All I see is a name, an icon, a price, the developers name, and a review star-rating. The reviews are all over the map. But even clicking through to see a screenshot and some reviews is incredibly time consuming, given the hundreds of apps in most categories. Case Study: Continuousdeployment makes releases n.
Each of these four currencies represents a way for a customer to “pay&# for services from a company. A great product enables customers, developers, partners, and even competitors to exchange their unique currencies in combinations that lead to financial success for the company that organizes them.
When I reviewed a recent product development book, it immediately shot up to Amazon sales rank 300. For example, the best book reviewers only review books published by the best publishers, which only accept manuscripts from the best agents. And how could they possibly review a blog? Is that a lot? Is that good?
Lessons Learned by Eric Ries Thursday, May 14, 2009 The Lean Startup Workshop - now an OReilly Master Class My rate of posting has been much lower lately, and this is mostly due to preparations for the upcoming Lean Startup Workshop on May 29. This shift allowed us to crank out working software quickly as a service. It was a disaster.
A good answer to this question should really include all of the following: I have both development and design time scheduled for quick follow up work on the feature over the next few sprints. My code base can be changed or refactored to support major changes to the feature. Use the code “LAURAK&# for 20% off your ticket price!
Lessons Learned by Eric Ries Tuesday, February 10, 2009 Continuousdeployment and continuous learning At long last, some of the actual implementers of the advanced systems we built at IMVU for rapid deployment and rapid response are starting to write about it. Our code pushes take another six minutes.
If engineers want more time to spend making their old code more pretty, they are invited to do so on the weekends. The idea is that once we move to the new system (or coding standard, or API, or.) The current code is spaghetti, but the new code will be elegant. Its become "legacy code" and part of the problem.
Your natural tendency when an investor says yes will be to relax and go back to writing code. The Entrepreneur’s Guide to CustomerDevelopment ► June (3) What is a startup? Case Study: Continuousdeployment makes releases n. No departments The Five Whys for Startups (for Harvard Business R.
Due to an interaction effect between your hardware, solar flares, and quantum flux, this virus will crash your computer and erase your hard drive sometime soon. In the past, we invested in brilliant architecture, code reuse, refactoring, modular design, etc. I have detected a secret virus in your CPU. The curse of prevention Beware!
Over time, such teams either explode due to irreconcilable differences or dramatically slow down. As I found out to my dismay, this is a dangerous game: in many cases, you’re asking trained professionals to violate their own code of best practices, for the good of the company. Any excesses are likely to be moderated by others.
It connects to the internet to automatically download the necessary codes. Heres a representative view from an actual Amazon customerreview : We all know how to operate our own entertainment center, but what happens when you have to explain it to your babysitter, mother-in-law, or your wife? They want to do activities.
The credit is due to much smarter people than me, and to the incredible power of necessity, that mother of invention. Your challenge will be incentivizing your developers to create, and managing the volume of their output. How do you help customers find the best of the best? Yes, I have had to deal with developers on strike.
Since then, PHP (as part of the LAMP stack ) has really been the dominant development platform, at least in the free software and startup worlds. When we started IMVU in 2004, we could rely on a staggering amount of open source software that jumpstarted our initial product offering. Every change required a server restart.
In fact, I am convinced that if you could find some of IMVU’s earliest adopters, they would say something like this: “sure, those guys at IMVU HQ were helpful in writing code and stuff, but in the end they were just the hired help. peer review is NOT working. It was really the community who built that product.&#
Without conscious process design, product development teams turn lines of code written into momentum in a certain direction. This is why agility is such a prized quality in product development. I myself didnt understand it until I had the opportunity to view that failure through the lens of the customerdevelopment theory.
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