我需要一个select会返回如下结果:
SELECT * FROM MyTable WHERE Column1 CONTAINS 'word1 word2 word3'
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我需要所有结果,即这包括带有'word2 word3 word1'或'word1 word3 word2'的字符串或三者的任何其他组合.
所有单词都需要在结果中.
我在android studio 0.8.2中有一个带导航抽屉的向导生成应用程序
我创建了一个片段并使用newInstance()添加它,我收到此错误:
com.domain.myapp E/AndroidRuntime:FATAL EXCEPTION:main java.lang.ClassCastException:com.domain.myapp.MainActivity@422fb8f0必须实现OnFragmentInteractionListener
我找不到任何地方如何实现这个OnFragmentInteractionListener?即使在android sdk文档中也找不到它!
MainActivity.java
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.support.v4.widget.DrawerLayout;
public class MainActivity extends Activity
implements NavigationDrawerFragment.NavigationDrawerCallbacks {
/**
* Fragment managing the behaviors, interactions and presentation of the navigation drawer.
*/
private NavigationDrawerFragment mNavigationDrawerFragment;
/**
* Used to store the last screen title. For use in {@link #restoreActionBar()}.
*/
private CharSequence mTitle;
@Override
protected void onCreate(Bundle …Run Code Online (Sandbox Code Playgroud) 我在SQL Server 2012中有这个表:
Id INT
DomainName NVARCHAR(150)
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并且该表具有这些DomainName值
这个值:
mail.othersite.com
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我需要选择字符串以列值结束的行,对于此值,我需要获取行no.3 othersite.com
它是这样的:
DomainName Like '%value'
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但反过来......
'value' Like %DomainName
Run Code Online (Sandbox Code Playgroud) 如何在此查询结果中添加ROW编号?
SELECT DISTINCT
VehicleSpecs.SubmittedById,
COUNT(VehicleSpecs.SubmittedById) AS NumCars,
aspnet_Users.UserName
FROM
VehicleSpecs
INNER JOIN aspnet_Users ON VehicleSpecs.SubmittedById = aspnet_Users.UserId
WHERE
(LEN(VehicleSpecs.SubmittedById) > 0)
GROUP BY
VehicleSpecs.SubmittedById,
aspnet_Users.UserName
ORDER BY
NumCars DESC
Run Code Online (Sandbox Code Playgroud) 我的C++/MFC代码在VS 2013中编译得很好,但是当我使用VS 2015编译时,我收到此错误:
C:\VS\VC\atlmfc\include\atlwinverapi.h(710):
error C3861: 'LCMapStringEx': identifier not found
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我的代码中没有使用LCMapString,所以我不知道它来自哪里?
我在SQL Server 2008中有这个查询:
SELECT Id, Year, Manufacturer, Model
FROM Table
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我需要这样的东西......
SELECT Id, (Year + [space] + Manufacturer + [space] + Model) AS MyColumn
FROM Table
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我怎样才能得到这个结果?
我有一个带有如下设置的导航属性的超链接:
NavigateUrl='<%# Eval("My Text") %>'
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如何将字符串限制为140个字符?我试过这个Eval("My Text").ToString().Substring(0,140)但是如果字符串长度小于140个字符则抛出异常.
我无法在任何地方找到如何在ASP.NET 4.5 webforms应用程序中设置OAuth2 redirect_uri.默认情况下它设置为localhost,当然我从谷歌得到这个错误:
The redirect URI in the request: http://localhost:3884/signin-google did not
match a registered redirect URI
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这来自Facebook:
Given URL is not allowed by the Application configuration.: One or more of the
given URLs is not allowed by the App's settings. It must match the Website URL
or Canvas URL, or the domain must be a subdomain of one of the App's domains.
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我从我的网站域(而不是localhost)收到此错误.
我有此功能,用于检查代理服务器,当前仅检查多个线程,并等待所有线程完成,直到下一个线程开始。从允许的最大线程数完成后,是否可以立即启动一个新线程?
for (int i = 0; i < listProxies.Count(); i+=nThreadsNum)
{
for (nCurrentThread = 0; nCurrentThread < nThreadsNum; nCurrentThread++)
{
if (nCurrentThread < nThreadsNum)
{
string strProxyIP = listProxies[i + nCurrentThread].sIPAddress;
int nPort = listProxies[i + nCurrentThread].nPort;
tasks.Add(Task.Factory.StartNew<ProxyAddress>(() => CheckProxyServer(strProxyIP, nPort, nCurrentThread)));
}
}
Task.WaitAll(tasks.ToArray());
foreach (var tsk in tasks)
{
ProxyAddress result = tsk.Result;
UpdateProxyDBRecord(result.sIPAddress, result.bOnlineStatus);
}
tasks.Clear();
}
Run Code Online (Sandbox Code Playgroud) 如何使用自定义环境将奖励添加到 Stable Baselines3 中的张量板日志记录中?
我有这个学习代码
model = PPO(
"MlpPolicy", env,
learning_rate=1e-4,
policy_kwargs=policy_kwargs,
verbose=1,
tensorboard_log="./tensorboard/")
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