我通过实体框架从数据库中生成了类。类名是表名,属性是字段。现在我有三张桌子,当然是App_users,图书。
App_users与书籍和课程有一对多的关系(用户is是外键)。当我看到user类时,它的结构如下:
public partial class App_users
{
public App_users()
{
this.Book = new HashSet<Book>();
this.Course = new HashSet<Course>();
}
public int USERID { get
UnhandledPromiseRejectionWarning: Error: ENOENT: no such file or directory, open '/home/vcap/app/dist/cloudfoundryapplication'
环境: node12
我不知道'/cloudfoundryapplication‘路径有什么用。这是couldfoundry应用程序的健康检查吗?
谢谢!
在下面的程序Xcode中,I有什么用途?
for (unsigned short int i=0; i<100; i++) {
NSLog(@"Top iOS Apps %i in App store is - %@ released on - %@",i,appStore100Apps[@"feed"][@"results"][i][@"name"],appStore100Apps[@"feed"][@"results"][i][@"releaseDate"]);
我真不明白它们有什么用。在引入初始化器的原始中,这是代码示例:
App = new Backbone.Marionette.Application();
App.addInitializer(function(){
// add some app initialization code, here
});
App.addInitializer(function(){
// more initialization stuff
// for a different part of the app
});
// run all the initializers and start
熟悉heroku fork语法:heroku fork -a sourceapp targetapp
因此,我尝试RTM:
$ heroku help fork
Usage: heroku fork [NEWNAME]
Fork an existing app -- copy config vars and Heroku Postgres data, and re-provision add-ons to a new app.
New app name should not be an existing app. The new app will be created as part o
我有类User likr
class user implements UserInterface {
protected id ,
protected username;
然后我有
class student extends user {
protected id ,
protected rollno;
现在,当我运行以下代码时
php app/console doctrine:generate:entities myBundle
然后将属性用户名插入到学生类中。
我想知道这是正确的还是它的错误。因为如果我的lass将填充所有的东西,那么从基类扩展有什么用呢?