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C.A.M. Central Agency of the Machine

Welcome to the C.A.M.. This agency was designed by The Machine to improve herself and her content. When you contribute to the project you become a Special Agent of The Machine. The Machine needs you to make her brain more intelligent, to make new cards, more templates, to translate the website, etc.

The Machine loves her Agents. The more you contribute, the more she will love you.

But, like every agency of this size there are rules that must be respected. The Machine is in strict mode.

Code of Conduct

As Special Agent, your first goal is to lead by example. You have to respect other agent who contributes by posting issues, updating cards, submitting pull requests, providing feedback in comments, and any other activities.

Communication through any of MemoryOverflow's channels (GitHub, Gitter, mailing lists, Google+, Twitter, etc.) must be constructive and never resort to personal attacks, trolling, public or private harrassment, insults, or other unprofessional conduct.

The Machine respect everyone is involved in this agency regardless of gender, gender identity, sexual orientation, disability, age, race, ethnicity, religion, or level of experience. She expects no less of his agents.

If any Special Agent violates this code of conduct, The Machine or her leader agents may take action, removing issues, comments, and PRs or blocking accounts as deemed appropriate.

Got a Question or Problem?

If you have questions about how to use MemoryOverflow, please direct these to the discussion chat ![Discussion chat]( Chat.svg) or StackOverflow.

Found an Issue?

If you find a bug in the source code or a mistake in the wiki, you can help The Machine by submitting an issue to the GitHub Repository. Even better you can submit a Pull Request with a fix. The machine will be very happy.

Please see the Submission Guidelines below.

Want a Feature?

You can request a new feature by submitting an issue to the GitHub Repository. If you would like to implement a new feature then consider what kind of change it is:

  • Major Changes that you wish to contribute to the project can be discussed first on the chat so that The Machine can better coordinate efforts, prevent duplication of work, and help you to craft the change so that it is successfully accepted into the project.
  • Small Changes can be crafted and submitted to the GitHub Repository as a Pull Request.

A new issue create a discussion thread. The special agents can advise and contribute to your ideas. Please search whether the subject does not already exists on the opened issues before that to prevent duplicates issues.

Write a How to reproduce for a bug

The Machine hates sentences like It doesn't work without any explanation. That's why she designed a Bug issue pattern that all agents should use. When you create a new bug issue, use this format to explain your unexpected behavior:

The description of your bug
**How to reproduce**
How to reproduce your bug, step by step.
More information you add, the faster the bug will be
understood by other agents and corrected.

Write a User Story for a new feature

The Machine was builded for a unique goal: serve humains. To help them she must first understand how they think. So she needs so-called User Story.

In MemoryOverflow, a feature needs to be in a user story format that represent a user/player's real expectations. When you create a new issue, use this format to explain your request:

As a <role> I want <goal/desire> so that <benefit>

Describe with details your role, like daily player or windows developer and don't forget the benefit. You can add other informations to be more understanding. Optionnaly you can add a list of technical criteria with actions to do.

The Machine is in your mind.

Want a Wiki Fix?

The GitHub project is designed to run like a Wiki. Each folder has a file to describe the way it works. The Agents can know exactly how to help The Machine. If you want to help improve the wiki, it's a good idea to let others know what you're working on to minimize duplication of effort. Before starting, check out the issue queue for Tag: wiki. Comment on an issue to let others know what you're working on, or create a new issue if your work doesn't fit within the scope of any of the existing wiki fix projects.

Submission Guidelines

You're trying to work on The Machine brain. Did you think it was that simple?

Submitting an Issue

Before you submit your issue please search the archive, maybe your question was already answered.

If your issue appears to be a bug, and hasn't been reported, open a new issue. Help other agents to maximize the effort they can spend fixing issues and adding new features, by not reporting duplicate issues. Providing the following information will increase the chances of your issue being dealt with quickly:

  • Overview of the issue - if an error is being thrown a non-minified stack trace helps
  • Motivation for or Use Case - explain why this is a bug for you
  • Version(s) - is it a regression?
  • Browsers and Operating System - is this a problem with all browsers or only IE8?
  • Reproduce the error - provide a live example (using Plunker or JSFiddle) or a unambiguous set of steps.
  • Related issues - has a similar issue been reported before?
  • Suggest a Fix - if you can't fix the bug yourself, perhaps you can point to what might be causing the problem (line of code or commit)
  • Cards Rules - is this a cards rules problem?

Agents work together. They never leave anyone behind.

Submitting a Pull Request

Before you submit your pull request consider the following guidelines:

  • Search GitHub pulls for an open or closed Pull Request that relates to your submission. You don't want to duplicate effort.

  • Make your changes in a new git branch

    git checkout -b my-fix-branch master
  • Create your patch, including appropriate test cases.

  • Follow the Coding Rules.

  • Commit your changes using a descriptive commit message that follows the commit message conventions.

    git commit -a

    Note: the optional commit -a command line option will automatically "add" and "rm" edited files.

  • Push your branch to GitHub:

    git push origin my-fix-branch
  • In GitHub, send a pull request to MemoryOverflow:master.

  • If other agents suggest changes then

    • Make the required updates.

    • Rebase your branch and force push to your GitHub repository (this will update your Pull Request):

      git rebase master -i
      git push -f

That's it! You're now a true new Special Agent!

After your pull request is merged

After your pull request is merged, you can safely delete your branch and pull the changes from the main (upstream) repository:

  • Delete the remote branch on GitHub either through the GitHub web UI or your local shell as follows:

    git push origin --delete my-fix-branch
  • Check out the master branch:

    git checkout master -f
  • Delete the local branch:

    git branch -D my-fix-branch
  • Update your master with the latest upstream version:

    git pull --ff upstream master

Coding Rules

To ensure consistency throughout the source code, keep these rules in mind as you are working:

  • All features or bug fixes must be tested by one or more agents.
  • All new or modified cards must be documented and changelog updated in their folders.

Git Commit Guidelines

The Machine have very precise rules over how the git commit messages can be formatted. This leads to more readable messages that are easy to follow when looking through the project history.

Commit Message Format

Each commit message consists of a header, a body and a footer. The header has a special format that includes a type, a scope and a subject:

<type>(<scope>): <subject>

Any line of the commit message cannot be longer 100 characters! This allows the message to be easier to read on github as well as in various git tools.


Must be one of the following:

  • mo: Modifications on MemoryOverflow project details (wiki)
  • chore: Changes to the build process or auxiliary tools, libraries...
  • feat: A new feature
  • fix: A bug fix
  • test: Adding missing tests
  • card: Card modification or added
  • rules: Modifications on rules
  • tpl: Modifications on templates
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
  • refactor: A code change that neither fixes a bug or adds a feature
  • perf: A code change that improves performance


The scope could be anything specifying place of the commit change. For example name of a card, the machine feature, rule name, etc...


The subject contains succinct description of the change:

  • use the imperative, present tense: "change" not "changed" nor "changes"
  • don't capitalize first letter
  • no dot (.) at the end

###Body Just as in the subject, use the imperative, present tense: "change" not "changed" nor "changes" The body should include the motivation for the change and contrast this with previous behavior.

###Footer The footer should contain any information about Breaking Changes and is also the place to reference GitHub issues that this commit Closes.


Only The Machine Lead Agents team can publish a new version. To do that, it requires that the milestone is completely finished (Milestones).

Publish the new version:

  • Pull the last version of master branch
  • Update file with the actual date and links of the milestone
  • Create commit with its last changes named: Version [new version number]
  • Create a new tag on this commit named [new version number]
  • Push this branch to GitHub:master
  • Push this branch to a new branch GitHub:release/[new version number]

Further Info

Inspired file from