Zhentiw - 博客园

2018年7月12日

[RxJS] AsyncSubject and ReplaySubject - Learn the Differences

摘要： We can use Subject as Observable and Observer: // Subject should be only used to emit value for private // Using subject as an Observer const subject 阅读全文

posted @ 2018-07-12 21:04 Zhentiw 阅读(189) 评论(0) 推荐(0)

[React Storybook] Get started with Storybook for React

摘要： Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app. He 阅读全文

posted @ 2018-07-12 19:05 Zhentiw 阅读(333) 评论(0) 推荐(0)

2018年7月11日

[Algorithms] The Bayes Rule

摘要： Prior odd: The idea is to take the odds for something happening (against it not happening), which we´ll write as prior odds. For example: The chances 阅读全文

posted @ 2018-07-11 20:04 Zhentiw 阅读(4213) 评论(0) 推荐(0)

[Node.js] Add Logging to a Node.js Application using Winston

摘要： Winston is a popular logging library for NodeJS which allows you to customise the output, as well as different logging targets. This lesson covers con 阅读全文

posted @ 2018-07-11 18:32 Zhentiw 阅读(1096) 评论(0) 推荐(0)

[Node.js] Setup Local Configuration with Node.js Applications

摘要： Github To stop having to change configuration settings in production code and to stop secure information like usernames and password being stored in s 阅读全文

posted @ 2018-07-11 18:16 Zhentiw 阅读(145) 评论(0) 推荐(0)

2018年7月10日

[RxJS] Throttling vs Debouncing

摘要： DebounceTime: It's like delay, but passes only the most recent value from each burst of emissions. ThrottleTime: Lets a value pass, then ignores sourc 阅读全文

posted @ 2018-07-10 21:07 Zhentiw 阅读(307) 评论(0) 推荐(0)

[E2E] Visual Differing Tests with Puppeteer and PixelMatch

摘要： Take your end to end tests to the next level by comparing your current application's view with an already accepted screenshot. With the combination of 阅读全文

posted @ 2018-07-10 20:53 Zhentiw 阅读(445) 评论(0) 推荐(0)

[Jest] Write data driven tests in Jest with test.each

摘要： Often, we end up creating multiple unit tests for the same unit of code to make sure it behaves as expected with varied input. This is a good practice 阅读全文

posted @ 2018-07-10 19:27 Zhentiw 阅读(435) 评论(0) 推荐(0)

[Tools] Using colours in a NodeJS terminal - make your output pop

摘要： Use can use colour and styles to make it easy to spot errors and group common functionality into blocks when viewing a NodeJS console. This lesson wil 阅读全文

posted @ 2018-07-10 18:34 Zhentiw 阅读(176) 评论(0) 推荐(0)

[Tool] Open Multiple Terminal Tabs on npm Start with ttab and npm-run-all

摘要： Often times when developing web applications, you need to open multiple tabs to run different scripts to start the application. This can all be done w 阅读全文

posted @ 2018-07-10 18:16 Zhentiw 阅读(429) 评论(0) 推荐(0)

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