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  - Dyno Management
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Developer Tools
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Continuous Delivery & Integration
- Continuous Integration

Language Support
- Node.js
  - Troubleshooting Node.js Apps
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  - Troubleshooting Java Apps
- PHP
  - PHP Behavior in Heroku
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- Go
  - Go Dependency Management
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Databases & Data Management
- Heroku Postgres
  - Postgres Basics
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  - Postgres Performance
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  - Postgres Special Topics
- Heroku Key-Value Store
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- Logging

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Security
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  - Single Sign-on (SSO)
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Heroku Enterprise
- Enterprise Accounts
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  - Heroku Connect Administration
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Extending Heroku
- Platform API
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Accounts & Billing

Troubleshooting & Support

Integrating with Salesforce

2X dynos enter general availability

Change effective on 31 May 2013

2X dynos have entered general availability. As of June 1, 2013, 2X dynos are billed at $0.10 / hour. The documentation on dyno sizes is available here.

Improved uptime reporting HipChat deploy hook available