我想找出给定域的所有子域.我找到了一个提示,告诉我使用以下选项挖掘权威的Nameserver:
dig @ns1.foo.bar some_domain.com axfr
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但这永远不会奏效.有谁有更好的想法/方法
在我的项目中,我使用SQL CE 3.5数据库与实体框架,并遵循 这篇文章, 但我有这个例外:
无法加载与版本8080的ADO.NET提供程序对应的SQL Server Compact的本机组件.安装正确版本的SQL Server Compact.有关更多详细信息,请参阅知识库文章974247.
所有细节
System.Data.SqlServerCe.SqlCeException was unhandled
Message=Unable to load the native components of SQL Server Compact corresponding to the ADO.NET provider of version 8080. Install the correct version of SQL Server Compact. Refer to KB article 974247 for more details.
Source=""
HResult=-1
NativeError=-1
StackTrace:
at System.Data.SqlServerCe.NativeMethods.LoadNativeBinaries()
at System.Data.SqlServerCe.SqlCeConnection..ctor()
at System.Data.SqlServerCe.SqlCeProviderFactory.CreateConnection()
at System.Data.EntityClient.EntityConnection.GetStoreConnection(DbProviderFactory factory)
at System.Data.EntityClient.EntityConnection.ChangeConnectionString(String newConnectionString)
at System.Data.Objects.ObjectContext..ctor(String connectionString, String defaultContainerName)
at DAL.OimDBEntities..ctor()
at DAL.OimRepository..ctor()
at Microsoft.Rtc.Collaboration.Sample.SubscribePresenceView.UCMASampleSubscribePresenceView.Subscribe()
at Microsoft.Rtc.Collaboration.Sample.SubscribePresenceView.UCMASampleSubscribePresenceView.Run()
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, …
Run Code Online (Sandbox Code Playgroud) 我使用 cloudestuary 创建了一个 docker-compose.yml。下载并将其放入我的 Laravel 项目文件夹并运行 docker-compose up -d 后,下载发生,然后我收到此消息:
错误:对于 worker-1 无法启动 service worker-1:创建挂载源路径“/var/www/html/lensin/html”时出错:mkdir /var/www:只读文件系统
错误:对于 nginx 无法启动服务 nginx:创建挂载源路径“/var/www/html/lensin/html”时出错:mkdir /var/www:只读文件系统
错误:对于应用程序无法启动服务应用程序:创建挂载源路径“/var/www/html/lensin/html”时出错:mkdir /var/www:只读文件系统
错误:对于工作区无法启动服务工作区:创建挂载源路径“/var/www/html/lensin/html”时出错:mkdir /var/www:只读文件系统错误:启动项目时遇到错误。
我在 Ubuntu 17 上,甚至尝试将 777 设置为所有文件夹,并使用 sudo 运行它,但结果是一样的。我还尝试移动文件并编辑 yml 中的卷。
这是我的 docker compose 文件:
version: '2'
services:
nginx:
image: 'cloudestuary/nginx:mainline-fpm'
restart: always
environment:
CLIENT_MAX_BODY_SIZE: 100m
DOCUMENT_ROOT: /var/www/html/public
INDEX_FILE: index.php
PHP_FPM: app
networks:
- app
volumes:
- './html:/var/www/html'
ports:
- '80:80'
app:
image: 'cloudestuary/php-fpm:7.1'
restart: always
environment:
MAX_UPLOAD_FILE_SIZE: 100m
APP_URL: 'http://lensin.localhost'
APP_KEY: 'base64:2X9U1HiBdmfbwvZ4UkwUP/25svg7439HXKWL1F8Xn1c='
DB_CONNECTION: mysql
DB_HOST: …
Run Code Online (Sandbox Code Playgroud) 我需要调试已安装在手机上的Android应用程序.我能够在调试模式下启动应用程序,但我无法使用JDWP 连接到该进程.我尝试了两种不同的方法都失败了.(见以下部分)
命令行尝试
1-启动应用程序
[...]sdk\platform-tools>adb -d shell am start -D -n "package/package.SomeActivity"
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应用程序启动并显示警告"/!\ Waiting for debugger".
2-打开JDWP端口
[...]sdk\platform-tools>adb forward tcp:8000 jdwp:7602
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3-尝试使用jdb连接
[...]sdk\platform-tools>jdb -attach 127.0.0.1:8000
java.io.IOException: shmemBase_attach failed:
at com.sun.tools.jdi.SharedMemoryTransportService.attach0(Native Method)
at com.sun.tools.jdi.SharedMemoryTransportService.attach(SharedMemoryTransportService.java:108)
at com.sun.tools.jdi.GenericAttachingConnector.attach(GenericAttachingConnector.java:116)
at com.sun.tools.jdi.SharedMemoryAttachingConnector.attach(SharedMemoryAttachingConnector.java:63)
at com.sun.tools.example.debug.tty.VMConnection.attachTarget(VMConnection.java:519)
at com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:328)
at com.sun.tools.example.debug.tty.Env.init(Env.java:63)
at com.sun.tools.example.debug.tty.TTY.main(TTY.java:1066)
Fatal error:
Unable to attach to target VM.
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IntelliJ尝试
我已配置我的本地项目以启动默认活动并取消选中"部署应用程序".
我也使用相同的警报启动应用程序,但不幸的是IDE没有连接到远程进程.
Target device: 42f7cc14e2acbfab
Launching application: ********/********.SomeActivity.
DEVICE SHELL COMMAND: am start -D -n "********/********.SomeActivity"
Starting: Intent { cmp=********/********.SomeActivity }
Waiting for …
Run Code Online (Sandbox Code Playgroud) 编辑:我在窗户上.
我正在尝试使用docker-compose.我知道我应该使用Dockerfile将文件复制到容器中,但是我想通过挂载文件来解决它,因为这对我的实验来说更容易.我还想把这作为一个关于这个问题的学习经验.
我docker-compose.yml
看起来像这样:
version: "3"
services:
webserver:
image: nginx:latest
ports:
- "80:80"
volumes:
- ./webapp.conf:/etc/nginx/conf.d/default.conf
webapp:
image: wordpress:php7.1-fpm
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运行时docker-compose up
我看到以下错误消息:
PS C:\Users\daniel\Documents\Docker> docker-compose up
Removing docker_webserver_1
Recreating ed1b21e6939c_docker_webserver_1
docker_webapp_1 is up-to-date
ERROR: for webserver Cannot start service webserver: error while creating mount source path '/C/Users/daniel/Documents/Docker/webapp.conf': mkdir /C/Users/daniel/Documents: permission denied
ERROR: Encountered errors while bringing up the project.
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我究竟做错了什么.
我想将工件部署到 Sonatype OSS 存储库。
当我使用以下命令进行部署时,签名无效。
mvn clean source:jar javadoc:jar install gpg:sign deploy
> gpg --verify target/security-versions-1.0.1.jar.asc
gpg: assuming signed data in 'target/security-versions-1.0.1.jar'
gpg: Signature made 10/20/15 11:45:50 Eastern Daylight Time using RSA key ID 63E38ACF
gpg: BAD signature from "Philippe Arteau <philippe.arteau@gmail.com>" [ultimate]
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如果我删除部署目标,签名是好的。
mvn clean source:jar javadoc:jar install gpg:sign
> gpg --verify target/security-versions-1.0.1.jar.asc
gpg: assuming signed data in 'target/security-versions-1.0.1.jar'
gpg: Signature made 10/20/15 11:54:34 Eastern Daylight Time using RSA key ID 63E38ACF
gpg: Good signature from "Philippe Arteau <philippe.arteau@gmail.com>" …
Run Code Online (Sandbox Code Playgroud) 我之前从未使用过JAXB.我正在研究测试工具项目.我有大约20个不同的测试用例.当我运行我的测试时,我收到此错误.
我的结构如下:
A
是TestCase的基类.
B
延伸A
.
C
延伸B
.
基础A:
public class A {
public A(String t){
testName = t;
}
private String aData;
private String testName;
public void setAData(String a){
aData = a;
}
public void getAData(){
return aData;
}
public void setTestName(String t){
testName = t;
}
public void getTestName(){
return testName;
}
}
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B级:
public class B extends A{
public B(String testName){
super(testName);
}
private String bData;
public void setBData(String b){
bData = b.trim(); …
Run Code Online (Sandbox Code Playgroud) 遵循的步骤:
把我的莲花笔记作为sample.nsf
然后尝试从sample.nsf中读取附件
代码段:
Database db = session.getDatabase("","C:\\Projects\\NotesToJava\\sample.nsf");
DocumentCollection dc = db.getAllDocuments();
Document doc = dc.getFirstDocument();
while (doc != null) {
RichTextItem body = (RichTextItem) doc.getFirstItem("Body");
if (body.getEmbeddedObject("Request.xlsx") != null)
System.out.println("Found BPM_Dev_Access_Request.xlsx in " + doc.getItemValueString("Subject"));
doc = dc.getNextDocument();
}
Run Code Online (Sandbox Code Playgroud) 使用 Java 11 编译时出现以下错误。
Symbol is declared in module 'java.xml' which does not export package 'com.sun.org.apache.xerces.internal.xni.parser'
Symbol is declared in module 'java.base' which does not export package 'sun.net.www.protocol.http'
Symbol is declared in module 'java.base' which does not export package 'sun.net.www.protocol.file'
Symbol is declared in module 'java.xml' which does not export package 'com.sun.org.apache.xerces.internal.util'
Symbol is declared in module 'java.xml' which does not export package 'com.sun.org.apache.xerces.internal.xni.parser'
Symbol is declared in module 'java.xml' which does not export package 'com.sun.org.apache.xerces.internal.xni.parser'
Symbol is declared in …
Run Code Online (Sandbox Code Playgroud) 它不是关于 eval()
假设我有#password输入,我将此数据作为JSON对象的一部分发送
var toSend = {
text: 'hello',
pass: $("#password").val()
};
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我需要验证输入吗?将", you: "are hacked"
通信的另一面解释为单个字符串或空字符串和另一个属性?
编辑:在浏览器环境中什么都不会发生,但是如果JSON将作为纯文本通过互联网发送并再次解析?
我正在使用GAE + Python创建一个需要向客户端发送敏感数据实时更新的应用程序,我想知道App Engine Channel API是否安全.使用HTTPS是否足够或渠道是否需要自己的安全协议?
此外,App Engine Channel API的底层实现是什么?Websockets,SSE?看起来它实际上只提供从服务器到客户端通过通道的单向通信,然后客户端使用标准HTTP请求与服务器通信.
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