在Rails 3 Match中,用于指向"GET"和"POST"以及其他类型请求的操作.
match "user/account" => user#account
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现在,这将指向用户控制器对GET和POST请求的帐户操作.在Rails 4中, "匹配"已被弃用,我们可以在Rails 4中为GET和POST创建相同的路由吗?
有没有办法将监视添加到非范围变量.我想为本地变量添加一个监视.我有类似的东西
function EditAssetRegistryController(assetregistryService, manufacturerService, assettypeService, projectService, $localStorage, $routeParams) {
var vm = this;
vm.manufacturers = [];
vm.projects = [];
vm.asset_types = [];
vm.ch_group_uniq = 'none';
}
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这里有一种方法可以将监视添加到vm.ch_group_uniq吗?我知道如何使用范围变量,但我有必须检查许多复杂变量的情况.
我是React Native的新手.如何通过调用返回到它之前刷新/重新加载以前的屏幕goBack()
?
可以说我们有3个屏幕A,B,C:
A -> B -> C
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当我们goBack()
从屏幕C 运行时,它返回到屏幕B但是具有旧的状态/数据.我们怎样刷新它?第二次没有调用构造函数.
react-router react-native react-native-android react-native-ios react-native-navigation
我已将项目升级到rails 4,但现在我收到一些弃用警告,其中一个是DEPRECATION:不推荐使用any_number_of_times..我收到此警告的代码是
sponsorship = RSpec::Mocks::Mock.new(:sponsorship)
SPONSORSHIP.should_receive(:[]).with('sponsorship').any_number_of_times.and_return(sponsorship)
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另一种情况是
sponsorship.should_receive(:[]).with(key).any_number_of_times.and_return(value)
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我已经使用存根上面的代码,但它没有正确的存根.你能找到我做错的地方吗?对于我曾经使用过的短笛
SPONSORSHIP.stub(:[]).with('sponsorship').and_return(sponsorship)
Run Code Online (Sandbox Code Playgroud) 我需要在Rspec中理解这行代码.
create(:practice, creator: create(:physician, password: "password123", password_confirmation: "password123" ), phone: "+1 (555) 555-5554", office: "+1 (555) 555-5555", clinic_key: "abc123")
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什么是这个创建功能.它不是内置轨道或ruby功能.我们有文件吗?
我是angularJS的新手.那么需要有关如何在角度项目中添加全局函数的帮助?加载我的角度应用程序的文件是使用showScrollAndGo函数,它应该作为全局方法工作,但它不起作用.app.js的代码是:
'use strict'; define(
[
'angular',
'jQuery',
'angular-route',
'angular-resource',
'angular-ui-bootstrap',
'highcharts',
'highcharts-theme',
'highcharts-ng',
'controllers/index',
'directives/index',
'filters/index',
'services/index',
'angular-token-auth',
'angular-local-storage',
'jquery.slimscroll',
'jquery-icheck'
],
function(angular, $) {
'use strict';
return angular.module('radian', ['ngRoute', 'ngResource', 'ui.bootstrap', 'app.services', 'app.controllers', 'app.directives','app.filters', 'highcharts-ng', 'ng-token-auth', 'ngStorage'])
.constant('globals', {
API_URL: 'http://localhost:3000/api',
AUTH_URL: 'http://radiancor-env.elasticbeanstalk.com',
TEMPLATE_URL: 'app/views'
})
.constant('pagination', {
items_per_page: 10,
max_size: 5,
direction_links: true,
boundary_links: true,
current_page: 1,
total_items: 0
})
.config(['$routeProvider', 'globals', routeConfiguration])
.config(['$httpProvider', httpConfiguration])
.config(['$authProvider', 'globals', authProvider])
.config(['$rootScopeProvider', root_functions])
.config(['paginationConfig', paginationConfiguration]);
function authProvider($authProvider, globals) {
$authProvider.configure({
apiUrl: …
Run Code Online (Sandbox Code Playgroud) 这里我想输出带有动态组名而不是单词组的 json
@tickets.each do |group, v|
json.group {
json.array! v do |ticket|
json.partial! 'tickets/ticket', ticket: ticket
end}
end
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@ticket就是这样的哈希
{a:[....],b:[.....]}
我想要像这样的输出
{a: [
.....
],
b: [
....
]}
Run Code Online (Sandbox Code Playgroud) 我在redux中使用react-native。我正在尝试更新当前屏幕的参数,以便可以在顶栏中使用的组件中访问它们,但未设置参数。我的代码如下:
屏幕路线:
AlertNameForm: {
screen: AlertNameForm,
navigationOptions: ({navigation}) => CancelAndDone(navigation)
}
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组件屏幕:在componentDidMount中,我正在设置参数。
class AlertNameForm {
..........
componentDidMount() {
this.props.navigation.setParams({onDonePress: this.onDonePress})
}
onDonePress: () => {
// want to access this function in top-bar buttons.
}
}
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以下是其他组件:
export const CancelAndDone = (navigation) => ({
headerLeft: <ButtonCancel navigation={navigation} />,
headerRight: <ButtonDone navigation={navigation} />
})
const ButtonDone = withTheme(({navigation, theme: { tertiaryColor } }) => (
<Button color={tertiaryColor} title="Done" onPress={() => {
if (navigation.state.params && navigation.state.params.onDonePress) {
navigation.state.params.onDonePress()
}
else {
navigation.dispatch(NavigationActions.back()) …
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我正在使用本机导航,我需要更新我通过以下代码实现的后退按钮设计
static navigationOptions = {
title: '',
headerStyle: {
backgroundColor: '#544849',
},
tintColor: 'transparent',
headerLeft: <TouchableOpacity onPress={() => this.props.navigation.goBack()}><Image source={require('../../img/close.png')} style={{marginTop: 10, marginLeft:10}} /></TouchableOpacity>
};
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但是这样我得到错误undefined is not an object(evaluating r.props.navigation)
没有onPress,后退按钮什么也不做。
嗨,我是新来的反应原生,我面临奇怪的路由问题.我做错了但需要有人来指导我.
index.android.js
import { LandingScreen } from './src/components/landing_screen.js'
import HomeScreen from './src/app_component.js'
import { StackNavigator } from 'react-navigation';
const SimpleApp = StackNavigator({
Home: { screen: HomeScreen },
Landing: { screen: LandingScreen},
});
AppRegistry.registerComponent('HomeScreen', () => SimpleApp);
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app_component.js
// Other imports ...
export default class HomeScreen extends Component {
static navigationOptions = {
title: 'Home Screen',
};
render() {
const { navigate } = this.props.navigation;
return (
<View style={styles.container}>
<Text style={styles.welcome}>
Welcome to React Native!
</Text>
<Text style={styles.instructions}> Hello CHannoo!!!</Text>
<Text …
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我正在使用@react-native-mapbox-gl/maps,我想实现标记的聚类。我找不到任何适合我的实施的解决方案。附加图像将显示两个标记应该合并,但事实并非如此。
下面我粘贴我的代码:
<MapboxGL.MapView
showUserLocatin={true}
zoomLevel={10}
zoomEnabled={zoomEnabled}
pitchEnabled={true}
onPress={onMapPress}
onRegionIsChanging={onRegionIsChanging}
surfaceView={true}
rotateEnabled={rotateEnabled}
compassEnabled={false}
showUserLocation={false}
userTrackingMode={MapboxGL.UserTrackingModes.None}
scrollEnabled={scrollEnabled}
styleURL={styleURL}
centerCoordinate={getFocusPoint() || getStartingPoint()}
ref={(c) => (_map = c)}
onRegionDidChange={onRegionChange}
style={style}
cluster
>
{renderLines()}
<MapboxGL.SymbolLayer
id={'abc'}
sourceID={MapboxGL.StyleSource.DefaultSourceID}
/>
<MapboxGL.Camera
zoomLevel={zoom}
centerCoordinate={getFocusPoint() || getStartingPoint()}
/>
{(simplePlaceData?.length > 0 || places?.length > 0) && renderMarkers()}
</MapboxGL.MapView>
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下面是我们的 renderMarkers 函数(基本上我在 MapboxGL.PointAnnotation 中显示任何 RN 组件,例如图像/图标):
const renderMarkers = () => {
if (simplePlaceData)
return simplePlaceData?.map((_place) => {
const {lat, lng, id} = _place
const latVal = parseFloat(lat) …
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react-native ×4
javascript ×3
react-router ×3
reactjs ×3
ruby ×3
angularjs ×2
rspec-rails ×2
angular-ui ×1
jbuilder ×1
json ×1
mapbox ×1
mapbox-gl ×1
mapbox-gl-js ×1
mocking ×1
react-redux ×1
routes ×1
rspec ×1
rspec2 ×1
stubs ×1