Threads, callbacks, and execution context in Ruby

At Osaka Ruby Kaigi 03, in Osaka, Japan


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When you provide a block to a function in Ruby, do you know when and where that block will be executed? What is safe to do inside the block, and what is dangerous? Let’s take a look at various code examples and understand what dragons are hidden in Ruby dungeons.

In this lightning talk, I would like to increase public awareness of thread safety with examples from various open-source gems so everyone can improve their understanding of whether a block will be executed in the same or a different thread.

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