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This can be handy if you have a rate limit on API requests or if you need to pass the result of each promise to the next one. function fetchMessages(u 阅读全文
posted @ 2019-09-03 13:06
Zhentiw
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For example we have a feature reducer like this: First of all, we can replace 'swtich' statement with normal Object: In case of ´actionReducer[type]´ 阅读全文
posted @ 2019-09-02 16:27
Zhentiw
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Sometimes we might have some expensive function to calcuate state directly from template: The ´calculate´ function is a pure function, we can use memo 阅读全文
posted @ 2019-09-02 15:40
Zhentiw
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When using useQuery from Apollo React Hooks, the request will be sent automatically after the component has been mounted. This might not be the desire 阅读全文
posted @ 2019-08-29 19:25
Zhentiw
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Use the focus-within pseudo-class to conditionally assign styling to a parent element when its child receives focus. HTML: CSS: 阅读全文
posted @ 2019-08-29 17:15
Zhentiw
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Measuring is extremely important, without numbers we don’t know about potential problems and we don’t have a base we can improve upon. Performance Bud 阅读全文
posted @ 2019-08-29 17:12
Zhentiw
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In a previous lesson we learned about implementing a custom preloading strategy. That gives you a lot of control over which route to preload and which 阅读全文
posted @ 2019-08-29 17:09
Zhentiw
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Preloading all modules is quite an extreme approach and might not always be desirable. For instance, you don't want to preload lazy routes a user migh 阅读全文
posted @ 2019-08-29 17:06
Zhentiw
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@NgModule({ declarations: [AppComponent, HomeComponent], imports: [ BrowserModule, MatSidenavModule, BrowserAnimationsModule, RouterModule.forRoot( [ { path: '', component: HomeComponent }, { path: 'n 阅读全文
posted @ 2019-08-29 17:02
Zhentiw
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@mixin generateModifers($property) { #{$property}: $padding; &-large { #{$property}: $padding-large; } &-medium { #{$property}: 1.5rem; } &-small { #{$property}: $nordea-pa... 阅读全文
posted @ 2019-08-28 19:53
Zhentiw
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