这是代码:
应用程序
import { Route, BrowserRouter as Router, Routes } from "react-router-dom";
import ClassroomDashboard from "./ClassroomDashboard";
import Students from "./Students";
import NotFound from "./NotFound";
import Base from "./Base";
import "./styles.c
我的Haskell文件中有以下功能:
notFound :: () -> IO ()
notFound = putStr "Sorry, your command could not be found"
该函数不编译。这是我得到的编译错误:
todos.hs:27:12:
Couldn't match expected type ‘() -> IO ()’ with actual type ‘IO ()’
Possible cause: ‘putStr’ is applied to too many arguments
In the
在我编写的脚本中,已经用userid填充了两个数组$newUsers和$oldUsers。我的下一个目标是检查$oldUsers中是否存在来自$newUsers的用户in。如果是,则display语句Write-Host“在旧用户列表中找到新User_id $rowNew”否则display Write-Host“新User_id $rowNew未在旧用户列表中找到”
下面是我使用的逻辑和我得到的输出。
foreach ($rowNew in $newusers){
foreach ($rowOld in $oldusers){
if
我有一个应用程序,在这个问题的末尾附加了映射类。
但是,当我使用以下命令检索类的实例时:
// this is NOT a SQL query. This queries the NHibernate object structure, so object names, properties and so forth
// must track to the C# code, irrespective of the DB names
IQuery query = Session.CreateQuery(string.Format( "fr
我正在创建一个android.m4文件,以便轻松查找android /NDK中的程序路径。
android.m4文件包含一个名为_android_path_found_notfound的助手函数。
# _android_path_found_notfound(variable, program, path, found, notfound)
#
# search for a program in path. If found, 'variable' is set to the absolute path,
# then executes 'found', oth
我使用的是Vue组合API,我试图将用户路由到'notfound‘页面,但是每次使用router.push时,都会在控制台DOMException: Node.insertBefore: Child to insert before is not a child of this node中出现错误。而且,RouterLinks工作得很好。
要再现您可以转到的错误: (sdfsdf部分是生成错误)
查看完整代码:
推送: CountryView.vue
<template>
.. (all templates .vue have a root node so this is