我这里有代码..
<div>
<input type="hidden" value="hello" />
</div>
<div>
<input type="hidden" value="world" />
</div>
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是否可以在内部选择值为"hello"的div并将所选div的颜色更改为红色......?
$("div input[value='hello']").css("background","red"); //i have this in mind
//but i think its wrong:D
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任何帮助请..
如何在jqueryUI组合框中附加onchange函数?这是我的代码:
$(".cmbBox").combobox({
change:function(){
alert($(this).val());
}
});
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当值更改时,它将提醒更新的值.
请帮忙.. :)
我是新的节点在这里.. :)我想出了这个算法,但它只显示父节点的列表..像这样..
a
a.txt
b
c
c
m
n
b
o
p
etc...
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我希望下一个节点将被放入上一个节点内的一个节点..所以它会像这样出现..
a
a.txt
b
o
p
c
m
n
etc...
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我有一些想法,但我可以实现它代码.. :)任何帮助请..
private void ListDirectory(TreeView treeView, String path)
{
Stack<string> stack = new Stack<string>();
TreeNode DirFilesCollection = new TreeNode();
stack.Push(path);
while (stack.Count > 0)
{
string dir = stack.Pop();
try
{
List<String> parentDir = new List<string>();
parentDir.AddRange(Directory.GetFiles(dir, "*.*"));
parentDir.AddRange(Directory.GetDirectories(dir));
DirectoryInfo d = new DirectoryInfo(dir);
TreeNode TParent = new TreeNode(d.Name);
foreach (String s in parentDir)
{
FileInfo f …Run Code Online (Sandbox Code Playgroud) 如何在C#中使用Linq从ListViewItemCollections中选择ListViewItem?
我尝试使用它,但它没有工作..
ListViewItemCollections lv = listview1.items;
var test = from xxx in lv where xxx.text = "data 1" select xxx;
test <--- now has the listviewitem with "data 1" as string value..
Run Code Online (Sandbox Code Playgroud) 如何将所有图书馆位置添加到"我的音乐"?
对于此示例,我已将这些目录添加到库中:
E:\My Music
E:\Mp3
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我试过了:
Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
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但它返回:
C:\Users\MyUser\Music
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我试图在SQLite(最新版本)表中插入多行但引发错误
从这里得到了这个想法,这是我的SQL查询:
INSERT INTO "Track"
SELECT "Leonard Collections" AS "Album",
"Instrumental" AS "Artist",
"00:02:59.3800000" AS "Duration",
"1/1/0001 12:00:00 AM" AS "ReleasedDate",
"If You Love Me" AS "Title",
"False" AS "IsPlayableOnLocal"
UNION
SELECT "Leonard Collections",
"Instrumental",
"00:02:56.6930000",
"1/1/0001 12:00:00 AM",
"Espoir",
"False",
UNION
SELECT "Leonard Collections",
"Instrumental",
"00:03:51.6770000",
"1/1/0001 12:00:00 AM",
"Don't Cry For My Argentina",
"False"
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但它会抛出
SQL logic error or missing database
near "UNION": syntax error
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这是我的表结构
CREATE TABLE Track
(
ID INTEGER PRIMARY KEY AUTOINCREMENT NOT …Run Code Online (Sandbox Code Playgroud) 我有这种情况,用户有自己的角色
普通用户
托管
金融
托管人和财务部都是超级用户
如何检查角色托管人是否是超级用户
这是我的示例代码..
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication3
{
public enum Role
{
NormalUser = 0,
Custodian = 1,
Finance = 2,
SuperUser = Custodian | Finance,
All = Custodian | Finance | NormalUser
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Normal: " + Convert.ToInt32(Role.NormalUser));
Console.WriteLine("Custodian: " + Convert.ToInt32(Role.Custodian));
Console.WriteLine("Finance: " + Convert.ToInt32(Role.Finance));
Console.WriteLine("SuperUser: " + Convert.ToInt32(Role.SuperUser));
Console.WriteLine("All: " + Convert.ToInt32(Role.All));
Console.WriteLine();
Console.WriteLine("Normal User is …Run Code Online (Sandbox Code Playgroud) 我一直在使用Json.Net来解析JSON到对象并转换为XMLDocument,但我得到了
InvalidOperationException此文档已具有"DocumentElement"节点.
我有这个JSON数据:
{
"data": [
{
"name": "Eros Harem",
"id": "2345123465"
},
{
"name": "Vincent Dagpin",
"id": "56783567245"
},
{
"name": "Vrynxzent Kamote",
"id": "3456824567"
}
],
"paging": {
"next": "nextURLHere"
}
}
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这是我的代码
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Xml;
using Newtonsoft.Json;
namespace JsonToXML
{
class Program
{
static void Main(string[] args)
{
string json = File.ReadAllText("friends.json");
// To convert JSON text contained in string json into an XML node
XmlDocument doc = (XmlDocument)JsonConvert.DeserializeXmlNode(json);
} …Run Code Online (Sandbox Code Playgroud) 如何Func<>在C#中获取Lambda 的传递参数的值
IEnumerable<AccountSummary> _data = await accountRepo.GetAsync();
string _query = "1011";
Accounts = _data.Filter(p => p.AccountNumber == _query);
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这是我的扩展方法
public static ObservableCollection<T> Filter<T>(this IEnumerable<T> collection, Func<T, bool> predicate)
{
string _target = predicate.Target.ToString();
// i want to get the value of query here.. , i expect "1011"
throw new NotImplementedException();
}
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我想在分配给_target的Filter扩展方法中获取查询的值
我有一个字符串的集合,我想要的正则表达式是收集所有开始与http ..
HREF = "http://www.test.com/cat/1-one_piece_episodes/的" href = "http://www.test.com/cat/2-movies_english_subbed/" HREF ="HTTP://www.test的.com /猫/ 3-english_dubbed/"HREF =" http://www.exclude.com"
这是我的正则表达式模式..
href="(.*?)[^#]"
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并返回此
href="http://www.test.com/cat/1-one_piece_episodes/"
href="http://www.test.com/cat/2-movies_english_subbed/"
href="http://www.xxxx.com/cat/3-english_dubbed/"
href="http://www.exclude.com"
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什么是排除最后一场比赛的模式..或排除具有排除域内的匹配,如href ="http://www.exclude.com"
编辑: 多次排除
href="((?:(?!"|\bexclude\b|\bxxxx\b).)*)[^#]"
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