$ mysql -h Server_name -u your_account -pPassword database_name < file.sql若-p和密碼中間有空格，會出現下列情況：
$ mysql -h Server_name -u your_account -p Password database_name < file.sql Enter password:ERROR 1049 (42000): Unknown database 'Password'
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\DeleteSVN] @="Delete SVN Folders" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\DeleteSVN\command] @="cmd.exe /k \"TITLE Removing SVN Folders in %1 && FOR /r \"%1\" %%f IN (.svn _svn) DO RD /s /q \"%%f\" \""
-vm c:\jre\bin\javaw.exe
/etc/init.d/servicename restart
serice servicename restart
systemctl start|stop|restart|is-active|status|enable|disable servicename.servicestart：啟動服務
systemctl halt systemctl reboot systemctl poweroff
env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
yum -y update bash
sudo apt-get update && sudo apt-get install --only-upgrade bash
putty.exe -ssh host -l user -pw passwordNOTE:如果沒使用ssh，直接把-ssh拿掉就行了。
start putty.exe -ssh host -l user -pw passwordNOTE: 沒加入 start ，會開啟一個 DOS 視窗，一個 PUTTY 視窗。
<pre class="prettyprint lang-java">
public class HelloWorld {
public static void main (String[] args) {
System.out.println("Hello, world!");
}
}
<pre>
<pre class="prettyprint"><code class="language-java">
public class HelloWorld {
public static void main (String[] args) {
System.out.println("Hello, world!");
}
}
</code><pre>
<pre class="prettyprint linenums:168">
public class HelloWorld {
public static void main (String[] args) {
System.out.println("Hello, world!");
}
}
<style>
.post .mycode {
display: block; /* fixes a strange ie margin bug */
font-family: Courier New;
font-size: 10pt;
overflow:auto;
background: #f0f0f0 url(data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAASwCAYAAAAt7rCDAAAABHNCSVQICAgIfAhkiAAAAQJJREFUeJzt0kEKhDAMBdA4zFmbM+W0upqFOhXrDILwsimFR5pfMrXW5jhZr7PwRlxVX8//jNHrGhExjXzdu9c5IiIz+7iqVmB7Hwp4OMa2nhhwN/PRGEMBh3Zjt6KfpzPztxW9MSAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzAMwzB8HS+J9kUTvzEDMwAAAABJRU5ErkJggg==) left top repeat-y;
border: 1px solid #ccc;
padding: 10px 10px 10px 21px;
max-height:800px;
line-height: 1.2em;
}
</style>
<pre class='mycode'>
public class HelloWorld {
public static void main (String[] args) {
System.out.println("Hello, world!");
}
}
</pre>
public class HelloWorld {
public static void main (String[] args) {
System.out.println("Hello, world!");
}
}
String conString = "jdbc:mysql://host/database?useUnicode=true&characterEncoding=utf8";
url="jdbc:mysql://host/database?useUnicode=true&characterEncoding=utf8"
<!DOCTYPE html>
<html>
<body>
<form action="demo_form.aspx">
Quantity (between 1 and 5): <input type="number" name="quantity" min="1" max="5">
<input type="submit">
</form>
<p><b>Note:</b> type="number" is not supported in Internet Explorer 9 and earlier versions.</p>
</body>
</html>
2014/2/23 下午 09:30:16 org.apache.catalina.core.StandardContext filterStart
嚴重的: Exception starting filter struts2
Unable to load configuration. - bean - jar:file:/D:/WebServer/tomcat-7.0.33/webapps/1qrcardadm/WEB-INF/lib/struts2-core-2.3.15.1.jar!/struts-default.xml:53:178
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:502)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
... 19 more
Caused by: Unable to load configuration. - bean - jar:file:/D:/WebServer/tomcat-7.0.33/webapps/1qrcardadm/WEB-INF/lib/struts2-core-2.3.15.1.jar!/struts-default.xml:53:178
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
... 20 more
Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/D:/WebServer/tomcat-7.0.33/webapps/1qrcardadm/WEB-INF/lib/struts2-core-2.3.15.1.jar!/struts-default.xml:53:178
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:245)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:226)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
... 22 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileUploadBase$SizeLimitExceededException
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getDeclaredConstructors(Class.java:1836)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:235)
... 25 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileUploadBase$SizeLimitExceededException
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
... 29 more
import java.sql.DriverManager;
import java.sql.Connection;
import java.sql.SQLException;
public class MySQLJDBC {
public static void main(String[] argv) {
System.out.println("========== MySQL JDBC Connection Testing ==========");
try {
Class.forName("com.mysql.jdbc.Driver");
System.out.println("MySQL JDBC Driver Registered!");
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/YourDB","UserAcct", "UserPwd");
System.out.println("Database connected!");
} catch (ClassNotFoundException e) {
System.out.println("Where is your MySQL JDBC Driver?");
e.printStackTrace();
} catch (SQLException se) {
System.out.println("Connection Failed! " + se.getMessage());
se.printStackTrace();
}
}
}
