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crazylion lee

Figma: the collaborative interface design tool. - 0 views

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    "The first interface design tool with real-time collaboration. Figma keeps everyone on the same page. Focus on the work instead of fighting your tools. "
crazylion lee

Introducing GeoViews | Continuum - 0 views

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    "GeoViews is a new Python library that makes it easy to explore and visualize geographical, meteorological, oceanographic, weather, climate, and other real-world data. GeoViews was developed by Continuum Analytics, in collaboration with the Met Office. GeoViews is completely open source, available under a BSD license freely for both commercial and non-commercial use, and can be obtained as described at the Github site."
crazylion lee

Evolutionary Database Design - 0 views

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    "Over the last decade we've developed and refined a number of techniques that allow a database design to evolve as an application develops. This is a very important capability for agile methodologies. The techniques rely on applying continuous integration and automated refactoring to database development, together with a close collaboration between DBAs and application developers. The techniques work in both pre-production and released systems, in green field projects as well as legacy systems."
crazylion lee

The Pragmatic Bookshelf | DevOps in Practice - 0 views

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    "Delivering production software can often be a painful task. Long test periods and the integration between operations and development can ruin or delay a promising delivery. That's what DevOps can fix. DevOps is a cultural change that aims to smoothly integrate development and operations procedures, breaking the barriers between them and focusing on automation, collaboration, and sharing of knowledge and tools. This book shows you how to implement DevOps and Continuous Delivery practices to raise your system's deployment frequency, increasing your production application's stability and robustness."
crazylion lee

Scrapy | A Fast and Powerful Scraping and Web Crawling Framework - 0 views

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    "An open source and collaborative framework for extracting the data you need from websites. In a fast, simple, yet extensible way."
crazylion lee

Task Management for Teams - MeisterTask - 0 views

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    "The most intuitive project and task management tool on the web"
crazylion lee

sugarbox.io - 0 views

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    太變態了....
張 旭

What is DevOps? | Atlassian - 0 views

  • DevOps is a set of practices that automates the processes between software development and IT teams, in order that they can build, test, and release software faster and more reliably.
  • increased trust, faster software releases, ability to solve critical issues quickly, and better manage unplanned work.
  • bringing together the best of software development and IT operations.
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  • DevOps is a culture, a movement, a philosophy.
  • a firm handshake between development and operations
  • DevOps isn’t magic, and transformations don’t happen overnight.
  • Infrastructure as code
  • Culture is the #1 success factor in DevOps.
  • Building a culture of shared responsibility, transparency and faster feedback is the foundation of every high performing DevOps team.
  •  'not our problem' mentality
  • DevOps is that change in mindset of looking at the development process holistically and breaking down the barrier between Dev and Ops.
  • Speed is everything.
  • Lack of automated test and review cycles block the release to production and poor incident response time kills velocity and team confidence
  • Open communication helps Dev and Ops teams swarm on issues, fix incidents, and unblock the release pipeline faster.
  • Unplanned work is a reality that every team faces–a reality that most often impacts team productivity.
  • “cross-functional collaboration.”
  • All the tooling and automation in the world are useless if they aren’t accompanied by a genuine desire on the part of development and IT/Ops professionals to work together.
  • DevOps doesn’t solve tooling problems. It solves human problems.
  • Forming project- or product-oriented teams to replace function-based teams is a step in the right direction.
  • sharing a common goal and having a plan to reach it together
  • join sprint planning sessions, daily stand-ups, and sprint demos.
  • DevOps culture across every department
  • open channels of communication, and talk regularly
  • DevOps isn’t one team’s job. It’s everyone’s job.
  • automation eliminates repetitive manual work, yields repeatable processes, and creates reliable systems.
  • Build, test, deploy, and provisioning automation
  • continuous delivery: the practice of running each code change through a gauntlet of automated tests, often facilitated by cloud-based infrastructure, then packaging up successful builds and promoting them up toward production using automated deploys.
  • automated deploys alert IT/Ops to server “drift” between environments, which reduces or eliminates surprises when it’s time to release.
  • “configuration as code.”
  • when DevOps uses automated deploys to send thoroughly tested code to identically provisioned environments, “Works on my machine!” becomes irrelevant.
  • A DevOps mindset sees opportunities for continuous improvement everywhere.
  • regular retrospectives
  • A/B testing
  • failure is inevitable. So you might as well set up your team to absorb it, recover, and learn from it (some call this “being anti-fragile”).
  • Postmortems focus on where processes fell down and how to strengthen them – not on which team member f'ed up the code.
  • Our engineers are responsible for QA, writing, and running their own tests to get the software out to customers.
  • How long did it take to go from development to deployment? 
  • How long does it take to recover after a system failure?
  • service level agreements (SLAs)
  • Devops isn't any single person's job. It's everyone's job.
  • DevOps is big on the idea that the same people who build an application should be involved in shipping and running it.
  • developers and operators pair with each other in each phase of the application’s lifecycle.
張 旭

State: Workspaces - Terraform by HashiCorp - 0 views

  • The persistent data stored in the backend belongs to a workspace.
  • Certain backends support multiple named workspaces, allowing multiple states to be associated with a single configuration.
  • Terraform starts with a single workspace named "default". This workspace is special both because it is the default and also because it cannot ever be deleted.
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  • Within your Terraform configuration, you may include the name of the current workspace using the ${terraform.workspace} interpolation sequence.
  • changing behavior based on the workspace.
  • Named workspaces allow conveniently switching between multiple instances of a single configuration within its single backend.
  • A common use for multiple workspaces is to create a parallel, distinct copy of a set of infrastructure in order to test a set of changes before modifying the main production infrastructure.
  • Non-default workspaces are often related to feature branches in version control.
  • Workspaces alone are not a suitable tool for system decomposition, because each subsystem should have its own separate configuration and backend, and will thus have its own distinct set of workspaces.
  • In particular, organizations commonly want to create a strong separation between multiple deployments of the same infrastructure serving different development stages (e.g. staging vs. production) or different internal teams.
  • use one or more re-usable modules to represent the common elements, and then represent each instance as a separate configuration that instantiates those common elements in the context of a different backend.
  • If a Terraform state for one configuration is stored in a remote backend that is accessible to other configurations then terraform_remote_state can be used to directly consume its root module outputs from those other configurations.
  • For server addresses, use a provider-specific resource to create a DNS record with a predictable name and then either use that name directly or use the dns provider to retrieve the published addresses in other configurations.
  • Workspaces are technically equivalent to renaming your state file.
  • using a remote backend instead is recommended when there are multiple collaborators.
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    "The persistent data stored in the backend belongs to a workspace."
張 旭

How to Write a Git Commit Message - 1 views

  • a well-crafted Git commit message is the best way to communicate context about a change to fellow developers (and indeed to their future selves).
  • A diff will tell you what changed, but only the commit message can properly tell you why.
  • a commit message shows whether a developer is a good collaborator
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  • a well-cared for log is a beautiful and useful thing
  • Reviewing others’ commits and pull requests becomes something worth doing, and suddenly can be done independently.
  • Understanding why something happened months or years ago becomes not only possible but efficient.
  • how to write an individual commit message.
  • Markup syntax, wrap margins, grammar, capitalization, punctuation.
  • What should it not contain?
  • issue tracking IDs
  • pull request numbers
  • The seven rules of a great Git commit message
  • Use the body to explain what and why vs. how
  • Use the imperative mood in the subject line
  • it’s a good idea to begin the commit message with a single short (less than 50 character) line summarizing the change, followed by a blank line and then a more thorough description.
  • forces the author to think for a moment about the most concise way to explain what’s going on.
  • If you’re having a hard time summarizing, you might be committing too many changes at once.
  • shoot for 50 characters, but consider 72 the hard limit
  • Imperative mood just means “spoken or written as if giving a command or instruction”.
  • Git itself uses the imperative whenever it creates a commit on your behalf.
  • when you write your commit messages in the imperative, you’re following Git’s own built-in conventions.
  • A properly formed Git commit subject line should always be able to complete the following sentence: If applied, this commit will your subject line here
  • explaining what changed and why
  • Code is generally self-explanatory in this regard (and if the code is so complex that it needs to be explained in prose, that’s what source comments are for).
  • there are tab completion scripts that take much of the pain out of remembering the subcommands and switches.
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