used to return different values.The SELECT statement returns information from a column in the table. But what if we want to choose a project that does not duplicate?With SQL, all we need to do is add a distinct keyword to select. Grammar:
SELECT DISTINCT column_name (s)From table_name
--------------------------------------------------------------------------------Using the DISTINCT keywordAs shown below, we use an SQL statement to select all values from a column nam
, can choose any port occupied, this time set to 88003.2 Start the app in debug mode at the end of as, the process hangs, and the Run command looks at the app's process number 288813.3 Set the port forwarding, the meaning of this command can be considered in the local 8800 port and mobile phone 28881 process to establish a channel, when debugging started, as connected to the local 8800 port, through this ch
Yesufida's e-LearningThere are arbitrary file uploads and arbitrary file downloads. However, a normal account can be used for Logon. Of course, we can use brute force cracking ...... If you do not have a verification code, You need to log on with a low-permission account first (no verification code is available, you have set a simple password, and you can simply drop the verification code by number)It provides several default or simple passwords:Http: // 58.214.233.113:
ConditionsLog out automatically within 30 seconds.2. detection operationsLog on to the tomcat default page http: // ip: 8080/manager/html and log on with the management account.3. Remarks4.1.2 change the default portSecurity baseline project name Tomcat run port security baseline requirements items security baseline No. SBL-Tomcat-05-01-02 security baseline item description change tomcat server default port detection procedure 1. Reference configuration operations(1) modify the tomcat/conf/serv
SopCast _ configure the network TV under linux-Linux general technology-Linux technology and application information. The following is a detailed description. 1. Install
I found a lot on the Internet. I hereby add the deb package to "my resources.
2. Use
Command: (directly enter the sp-SC command to display the usage)
Sp-SC sop: // sop.sopcast.org: 3919/official/cctv5 8900 8800
For example, my favorite Phoenix Chinese TV (not in the fro
Interface
Defines a high-level Java language interface which tool developers can easily use to write remote debugger applications.
So first, we start the test class in the form of remote debugging:Java code
Java-xdebug-agentlib: jdwp = transport = dt_socket, Server = Y, suspend = N, address = 8800-CP. Test. Test
Generally, the test class is debugged through socket transmission. The connection port for debugging is
that encrypted transparent proxies are anonymous proxies, meaning that you do not have to use proxies.Intermediary Agent Framework: Mitmproxy Usage: http://drops.wooyun.org/tips/2943 Introduction--------------------------------------------------------------------------------------------------------------- -----------------------------------Mitmproxy-p 8800 start listening 8800 native port, firefox-"prefere
This article to share is in the WIN10 system, installation configuration IIS + MySQL5.7.19 + nginx1.12.1 + php7.1.7 Detailed tutorials, very practical, the need for small partners can refer to the following
Environment:
VMWare Workstation Player12
WINDOWS10 Pro x64
First, the installation system
VMware will be installed quickly with fast install, without having to configure anything.
Second, configure IIS
Under Programs and features, turn on enable or disable Windows features. To add the Intern
Install and configure IIS + MySQL + nginx + php7.1.7 and win10nginx in Win10
Environment:
VMWare Workstation Player12
Windows 10 Pro x64
1. Install the system
Vmware uses the fast install method to quickly complete the installation without any configuration.
2. Configure IIS
Enable or disable Windows under programs and functions ". Add the Internet Infomation Services feature. Note that the CGI in the "Application Development function" is deselected by default and must be manually selected.
Not
I. WebService Publishing Service modeWay one: Use the JRE itself to provide the way Jax-ws1) Add annotations on the class or on the interface or abstract class of the corresponding class @webservice2) Release service Endpoint.publish ("Http://127.0.0.1:8800/hello", New Helloserviceimpl ());3) http://127.0.0.1:8800/hello?wsdl can display instructions to publish the service successfullyMethod Two: Publish the
to verify that it is done? Yes, that's it! We look at the implementation steps:
First, we let git identify our new key
Ssh-agent Bash
ssh-add ~/.ssh/id_rsa_2
We then create a new or modified config file in the ~/.ssh/directory.
#Host is your remote warehouse address, note Oh, if some servers do IP port forwarding, here do not bring the slogan
Host git.oschina.net
#HostName is the address of the remote warehouse, the same if you do port forwarding should not be with the por
value
Grammar:
SELECT DISTINCT Column-name (s) from Table-name
Explain:
When duplicate values exist in Column-name (s), the returned result leaves only one
Cases:
Raw data in the Orders table
Company
OrderNumber
Sega
3412
W3Schools
2312
Trio
4678
W3Schools
6798
Returns the unique value in the Company field with the DISTINCT keyword:
SELECT DISTINCT Company from Orders
return Result:
Company
Sega
W3Schools
This is a simulation of the FTP upload function, after the client input command, the client executes a command, the input is uploaded to the server in return, in front of a similar practice exampleClient#Small trial Sledgehammer#Import Socket#kt=socket.socket () #创建socket对象#info= ("127.0.0.1", 8800)#Kt.connect (Info)#While True:#Import subprocess#res = subprocess. Popen ("ipconfig", #实例化Popen类 #并且接受的值是byte类型#Shell=true,#stderr=subprocess. PIPE,#stdout
Environment:VMWare Workstation Player12WINDOWS10 Pro x64First, the installation systemVMware will be installed quickly with fast install, without having to configure anything.Second, configure IISUnder Programs and features, turn on enable or disable Windows features. To add the Internet infomation Services feature, it is important to note that the CGI in "Application development features" is unchecked and needs to be selected manuallyNote: In the actual installation, IIS I was the last to add,
> url-pattern>/*url-pattern> filter-mapping> welcome-file-list> welcome-file>index.jspwelcome-file> welcome-file-list>Web-app>After the Web. XML configuration is complete, let's do some struts configuration.Create the Struts.xml in the SRC directory, adding the following code:struts>struts>Under the SRC directory, create a Struts2 Action (hellostrutsaction in) that inherits the Actionsupport base class.Add the following code to the action:package com.struts.trio;import com.opensymphony.
/html/13 ServiceName 192.168.1.33. Create a directory file, set up a document directory for each IP, and create a home page file index.htmlcd /var/www/htmlmkdir121312/index12”>12/index13/index13”>13/index.html4. Restart httpd, client test 192.168.1.2:8080 and 192.168.3:8080service httpd restartFive, the Web server IP address is 192.168.1.2. It is now necessary to create a virtual host based on 8000 and 88,002 different port numbers, which requires different host directories for the respective
Use SSH to determine if the port is in a Linux environmentIn the Windows/linux environment, you can use Telnet to determine the port status, but sometimes there is no telnet in the Linux environment, so you can use SSH to determine the port status.First, SSH use method:Command: SSH-V-p port [email protected]Description:-v debug mode, which will enter log information-P Port numberSecond, install the httpd on the Server01First install the httpd under the Linux system and start port 80.Yum Install
Label:DB2 row to column ----Start See this question on the Internet: (Problem address:http://www.mydb2.cn/bbs/read.php?tid=1297page=e #a) [C-sharp]View Plaincopyprint?
Class Subject Score
1 Languages 8800
1 Mathematics 8420
1 English 7812
......
2 languages 8715
2 Mathematics 8511
2 English 8512
......
The request is converted to the following result
Class Chinese Math English
1
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