我需要在宝藏数据中使用临时时间范围表来查询我的SQL查询:
CREATE TEMPORARY TABLE fakehours (Hour BIGINT);
INSERT INTO Hour VALUES (0);
INSERT INTO Hour VALUES (1);
INSERT INTO Hour VALUES (2);
INSERT INTO Hour VALUES (3);
INSERT INTO Hour VALUES (4);
INSERT INTO Hour VALUES (5);
INSERT INTO Hour VALUES (6);
INSERT INTO Hour VALUES (7);
INSERT INTO Hour VALUES (8);
INSERT INTO Hour VALUES (9);
INSERT INTO Hour VALUES (10);
INSERT INTO Hour VALUES (11);
INSERT INTO Hour VALUES (12);
INSERT INTO Hour VALUES (13);
INSERT INTO Hour …Run Code Online (Sandbox Code Playgroud) 我正在尝试在注册后立即重定向用户以转到协议条款页面。
这是我的中间件课程:
class TermsMiddleware(object):
def process_request(self, request):
if request.user.profile.filled_terms is None:
return redirect(reverse('terms'))
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我收到以下错误,可以快速浏览一下我的服务器:
This webpage has a redirect loop
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我有一个带有fill_terms字段的Profile模型类。
我有一个术语模板,当我手动访问它时,它工作得很好。
这也是我的网址匹配器:
url(r'^terms/', 'hana.views.terms', name='terms')
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我如何摆脱这种重定向循环,并使用中间件将注册用户重定向到协议条款页面?
我正在使用宝藏数据进行数据分析,并且在presto db中遇到了union语句的问题.
我如何在presto上做一个Union All.我不明白文档.每次我尝试这样做UNION:
SELECT
COUNT(*) AS ReservationsCreated,
resource
FROM
reservation
WHERE
type = 'create'
UNION
SELECT
COUNT(*) AS ReservationsDeleted,
resource
FROM
reservation
WHERE
type = 'delete'
GROUP BY
resource
;
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我得到重新格式化的输出,如:
SELECT
COUNT(*) AS ReservationsCreated,
resource
FROM
reservation
WHERE
type = 'create'
UNION
SELECT
COUNT(*) AS ReservationsDeleted,
resource
FROM
reservation
WHERE
type = 'delete'
GROUP BY
resource
;
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和错误说:
'"resource"' must be an aggregate expression or appear in GROUP BY clause
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我想我不理解Presto的语法.联盟上的文档非常令人困惑.任何帮助赞赏.
我正在按照教程创建一个hackernews/reddit克隆,并且由于某种原因,应用程序无法正常工作.
在我的浏览器控制台中,我收到以下错误:
Uncaught SyntaxError: Unexpected token . app.js:46
Uncaught Error: [$injector:modulerr] angular.js:3857 http://errors.angularjs.org/1.2.19/$injector/modulerr?p0=flapperNews&p1=Err…gleapis.com%2Fajax%2Flibs%2Fangularjs%2F1.2.19%2Fangular.min.js%3A18%3A139)
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这里发生了什么?对不起,我不熟悉这个问题.
我在app.js
angular.module('flapperNews', ['ui.router'])
.config([
'$stateProvider',
'$urlRouterProvider',
function($stateProvider, $urlRouterProvider) {
$stateProvider
.state('home', {
url: '/home',
templateUrl: '/home.html',
controller: 'MainCtrl'
})
.state('posts', {
url: '/posts/{id}',
templateUrl: '/posts.html',
controller: 'PostsCtrl'
})
$urlRouterProvider.otherwise('home');
}])
.factory('posts', [function(){
var o = {
posts: []
};
return o;
}])
.controller('MainCtrl', [
'$scope',
'posts',
function($scope, posts){
$scope.posts = posts.posts;
$scope.incrementUpvotes = function(post){
post.upvotes += 1;
}
$scope.addPost = function(){
if(!$scope.title || $scope.title === '') …Run Code Online (Sandbox Code Playgroud)