The idea: This post we are going to learn how to build a Firebase Forage with object related database. Form the pic we can see that there are two object: users and items. This helps to orginzie the data structure better. The way to do this is followi…

Install: npm i --save firebase // v3.2.1 Config Firebase: First we need to require Firebase: import firebase from 'firebase'; Then in the component constructor, we need to init Firebase: constructor(props){ super(props); // Initialize Firebase var co…

问题出现环境: 使用SQL Server Management Studio 2008 连接到SQL Server 2000的数据库,点击其中一个Oracle链接服务器,单击"目录"时,Linked Server弹出如下错误信息.使用另外一个拥有sysadmin角色的账号登录检查发现没有此类问题. 错误详细信息如下所示:有用的信息只有一条:EXECUTE permission denied on object 'xp_prop_oledb_provider', database 'ma…

  详细异常: A SQLiteConnection object for database '/data/data/.../database/....db' was leaked!  Please fix your application to end transactions in progress properly and to close the database when it is no longer needed 明显是数据库操作异常,数据库对象被锁,明确告诉你对象长久不用需要关闭…

The PASCAL Object Recognition Database Collection News 04-Apr-07: The VOC2007 challenge development kit is now available. Objectives To compile a standardised collection of object recognition databases To provide standardised ground truth object anno…

  详细异常: A SQLiteConnection object for database '/data/data/.../databases/....db' was leaked!  Please fix your application to end transactions in progress properly and to close the database when it is no longer needed 明显是数据库操作异常,数据库对象被锁,明确告诉你对象长久不用需要关…

使用不是sysadmin权限的账号执行存储发邮件,报异常profile name is not valid, EXEC msdb.dbo.sp_send_dbmail @profile_name = 'mail', @recipients = 'xx', , @body = 'tttt', --@file_attachments='', @subject='xx', @body_format = 'xx' 解决 1.给开sysadmin权限 2.如果不能给开sysadmin权限,则要将该配置文件…

ORM=Object Relationship Database Mapping 对象和关系数据库的映射 简单说,一个对象,对应数据库里的一条记录 示例:根据id返回一个Hero对象 提供方法get(int id)返回一个Hero对象 public class Hero { //增加id属性 public int id; public String name; public float hp; public int damage; } public class TestJDBC { public…

/** * Created by Answer1215 on 11/9/2014. */ var app = angular.module('app', ['firebase']); app.constant('FIREBASE_URI', 'https://zhentiw-angular-fire.firebaseio.com/'); app.controller('MainCtrl', ['$scope', 'ItemsService', function ($scope, ItemsSer…

Using $firebaseSimpleLogin service. Here we use three methods for login, logout, register and getCurrentUser. Be sure to open the Email and Password configuration on Forge: login.tmpl.html <div class="container" ng-controller="LoginCtrl&…