通过一些编程任务(第一年)拖网,我想出了这个.当我运行它时,程序直接转到switch语句的默认值.现在已经连续24小时了,所以我几乎察觉不到,但我发现什么都不对.
任何人都可以指出我的写作方向.我不希望你为我做这件事
// Practical 5B - Question 1
// Nathan Griffin
// 28/02/2013
// Program to simulate a continuos system of deposits and withdraw for a bank account until user exits.
import java.util.Scanner;
public class SingleAccountSim
{
public static void main(String [] args)
{
Scanner keyboardIn = new Scanner(System.in);
BankAccount account = new BankAccount();
int menuSelect = 0;
double depositIn, withdrawalOut;
do
{
System.out.println("*_*_*Monopoly Bank*_*_*");
System.out.println("1. Deposit money");
System.out.println("2. Withdraw money");
System.out.println("3. Get balance");
System.out.println("4. Quit");
menuSelect = keyboardIn.nextInt();
switch(menuSelect) …Run Code Online (Sandbox Code Playgroud) 我有一个带有侧导航栏的单页面应用程序,它在列表中有一组锚标记.
我想根据selectedPage变量的值显示页面中显示的内容.以及selectedPage根据侧栏中单击的链接更改值.
即使在click事件中包含.prevent,下面的代码也不会更改变量的值.我应该使用另一种情况吗?
myPage.html下
#Navbar for selecting content
<div id="sidebar-wrapper">
<ul class="sidebar-nav">
<li><a href="#" @click.prevent="selectedPage ='Foo'">Foo</a></li>
<li><a href="#" @click.prevent="selectedPage ='Bar'">Bar</a></li>
</ul>
</div>
#Page content
<div id="page-content-wrapper">
<div class="main-content" id="app" v-cloak>
<div class="container-fluid" v-if="selectedPage === 'Foo'">
<h3 class="page-title">{{selectedPage}}</h3>
</div>
<div class="container-fluid" v-if="selectedPage === 'Bar'">
<h3 class="page-title">{{selectedPage}}</h3>
</div>
</div>
</div>
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App.js
new Vue({
el: '#app',
data: {
selectedPage: 'Foo',
}
})
Run Code Online (Sandbox Code Playgroud) 我想通过从如下结构的LDAP存储库查询其ID来获取用户属性的列表
dn: uid=E000001 ,ou=People,o=Company,o=Internal
cn: BOB DOLE
statusid: active
memberof: cn=foo_group, cn=Foos, ou=Groups, o=Company,o=Internal
memberof: cn=bar_group, cn=Foos, ou=Groups, o=Company,o=Internal
dn: uid=E000002 ,ou=People,o=Company,o=Internal
cn: MARK TEST
statusid: active
memberof: cn=foo_group, cn=Foos, ou=Groups, o=Company,o=Internal
memberof: cn=bar_group, cn=Foos, ou=Groups, o=Company,o=Internal
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例如,我查询用户ID"E00001".我想要归还这个
["cn=foo_group, cn=Foos, ou=Groups, o=Company,o=Internal", "cn=bar_group, cn=Foos, ou=Groups, o=Company,o=Internal"
Run Code Online (Sandbox Code Playgroud) 我正在尝试使用 Vue.js 将 JSON 有效负载中的对象列表解析为表。
我想从数组中的第一个对象中获取键来创建表标题,下面的代码可以工作并提供正确的值,但问题是我不断收到此错误消息
错误信息
[Vue warn]: Error in render function: "TypeError: objectArray is null"
(found in <Root>)
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Html 元素
<thead>
<tr>
<th v-for="(value, key) in objectArray[0]">
{{ key }}
</th>
</tr>
</thead>
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JSON 有效负载
[
{ "field1": "value", "field2": "value", "field3": "value", "field4": "value", "field5": "value", "field6": "value", "field7": "value" },
{ "field1": "value", "field2": "value", "field3": "value", "field4": "value", "field5": "value", "field6": "value", "field7": "value" },
{ "field1": "value", "field2": "value", "field3": "value", "field4": "value", "field5": …Run Code Online (Sandbox Code Playgroud)