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I wanted a SQL database that didn’t exist, so I tried to build it with AI
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I tested whether it was worth remoting to a Linux server instead of running in a VM on a MacBook Pro.
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SQL statements can appear to work correctly in development and testing but fail catastrophically in production
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The ancients recognized the wisdom of sharpening one’s tools.
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PostgreSQL enums should be used for values that directly impact application control flow.
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Contexts and global variables mitigate each others weakness.
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Ruby does not have a built-in enum type.
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Upgrading a production PostgreSQL server can be a complex and delicate process.
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While working on the Websocket Shootout, I frequently needed to connect to a websocket server and interact directly.
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Polymorphic associations can be difficult to correctly represent in a relational database.
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Given a bank account of debit and credit transactions, what is the greatest balance the account ever had?
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This article compares the performance of map lookup and switch statements in Go?
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Queries returning aggregate, summary, and computed data are frequently used in application development.
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Hashrocket hosts an internal conference twice a year called Miniconf where we take a day to share ideas with each other.
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React to file system changes by executing a command
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In the course of optimizing the pgx PostgreSQL driver I observed a number of performance characteristics of Go that I hope you will find useful.
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New release of Tern rewritten in Go
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Writable common table expressions are a powerful feature of PostgreSQL that is rarely used when building applications with an ORM like ActiveRecord.
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Surus now can use PostgreSQL’s JSON functions to build JSON much faster than Rails to_json
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A new feature in PostgreSQL 9.2 is JSON support.
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Use your favorite GUI text editor on remote servers over SSH.
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Accelerate ActiveRecord with PostgreSQL specific support
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New gem to simplify complex database schema migrations
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New gem to simplify time of day handling
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A simple gem plugin for testing database constraints.
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A math puzzle from The Art of Game Design by Jesse Schell is solved with Ruby.
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Random internet connection loss was solved by installing DD-WRT.
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The path to the Firefox binary changes on upgrade.
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Ruby is more at home on *nix than on Windows.