我有以下数据库结构
CREATE TABLE a (
id TEXT PRIMARY KEY,
creation_date TIMESTAMP WITH TIME ZONE NOT NULL
);
CREATE TABLE b (
id text
a_id TEXT REFERENCES a,
active BOOLEAN NOT NULL,
creation_date TIMESTAMP WITH TIME ZONE NOT NULL,
modification_date TIMESTAMP WITH TIME ZONE NOT NU
为什么我不能用id传递数据,当我执行删除()的代码时,我遗漏了一些帮助我的东西:(这是我的dataController
<?php
namespace App\Http\Controllers;
use App\topic; //use model topic
use Illuminate\Http\Request;
use Yajra\Datatables\Datatables; //datatable
use App\Http\Requests;
use Carbon\Carbon;
class dataController extends Controller
{
pu
这是我的代码:
package main
import (
"fmt"
"time"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/sqlite"
)
type ClientCustomer struct {
Id int `json:"Id"`
Name string
Created time.Time
key string
Use
编辑:以下是有效的答案:
it "redirects to the show view for the object that was selected" do
object_id = params[:object][:id]
get :select, object: { id: object_id }
expect(subject).to redirect_to object_path(params[:object][:id])
end
我有一个rails应用程序的rspec测试失败了,我不知道为什么(rspec noob)。
我不应该使用Factory Girl
我读过一些关于如何在JPA中解决n+1查询问题的文章,但这些文章对我来说都不起作用。 当我尝试获取数据时,JPA会进行n+1查询。 select owner0_.id as id1_1_, owner0_.created_at as created_2_1_, owner0_.updated_at as updated_3_1_, owner0_.name as name4_1_, owner0_.version as version5_1_ from owner owner0_
select cars0_.owner_id as owner_id6_0_0_, cars0_.id as
我需要找到droppable div的确切的孩子id。现在,它当前返回父元素id。我的Html
<div id="grey" class="ui-widget-content">Goal #2:Even previously dropped objects should disappear when dragged to Grey area
<div id="yellow" alignment="center" class="ui-widget-content">Dragged o
Introduction
你好。我目前正在构建一个FacebookFeedParser,目前我正试图在Controller中构建一个方法,该方法列出了从今天起具有最佳帖子/用户比例的Facebook页面。为此,我在纯SQL中构建了以下查询
SELECT pa.facebook_name, COUNT(po.id) AS postCount, SUM(likes) AS likes, SUM(likes)/COUNT(po.id) AS likesPerPost
FROM facebook_posts po
INNER JOIN facebook_pages pa ON pa.id = po.
我有一张这样的桌子:
我在链接中使用别名作为
所以它们必须是唯一的。
但是我有将近一百万行代码,这就是为什么当我在下面使用代码时,它花费了这么多时间,而且网站宕机了。
顺便问一下,你对我有什么建议?
非常感谢。
$sql2="SELECT id,adi,alias from firma where id>1400 and id<100000 and onay=0 ";
$gor=mysqli_query($i_link,$sql2);
while($sonuc=mysqli_fetch_row($gor))
{
$a