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In Java, you can use Autowired to init the service: @Autowired TheaterService theaterService In kotlin, it is different, you need to use 'lateinit var 阅读全文
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Many scenarios involve one task happening after another has completed. This lesson walks you through setting up "steps" which trigger one after anothe 阅读全文
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Backing bean: A typical JavaServer Faces application includes one or more backing beans, each of which is a type of JavaServer Faces managed bean that 阅读全文
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ou can create diffs in markdown to show what has changed in a code snippet. I use this in blog posts to highlight changed lines for readers. This work 阅读全文
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Asynchronous code often uses conditions to determine when a block of code should finish running. This lesson walks through writing a doneIf operator w 阅读全文
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Apps often have scenarios where one event controls another. In operators, this requires passing one broadcaster in and using it to control another bro 阅读全文
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After a broadcaster is "done", starting it up again requires calling the broadcaster with the same listener. This creates a kind of "async recursion" 阅读全文
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Controlling when a broadcaster starts and stops gives you complete control over your broadcasters. This let's you hook multiple pieces of UI together 阅读全文
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Chrome DevTools provide many handy utility functions that we can use to make debugging faster and easier so we can fix the bug and move on. In this le 阅读全文