This tutorial is currently the safest tutorial, if you are novice please follow the steps of the tutorial strictly, if there is a certain basis for people can selectively skip certain paragraphs modify port configuration
Run first
Vim/etc/ssh/sshd_config
Find #port 22 and remove the previous comment, then add a line of Port 1234 below.
Port
Port 1234
Many tutorials are directly modified 22 for other
Put
[url]http://wwww.aaaaaaaaa.com/...
Change the address form to
[url]http://wwww.aaaaaaaaa.com/...
Or
[url]http://wwww.aaaaaaaaa.com/...
Of course you can change as you ask.
Apache's Mod_rewrite module.
You can see a demo of a PHP learning forum
[url]http://www.phpx.com/happy/...
This forum layout and posts, is the use of this technology, address static. But it's fake.
What's the best technology?
Can let Baidu, Google and other revenue of your site all pages.
The income address is your fake st
The Linux NC command uses a detailedOriginal: https://www.2cto.com/os/201306/220971.htmlFeature Description: Powerful networking toolsSyntax: NC [-hlnruz][-gParameters-g-g-H online Help.-i-L Use the monitor mode to control incoming data.-N uses the IP address directly, not through the domain name server.-o-p-R chaos Specifies the communication port between the local and the remote host.-s-U uses the UDP transport protocol.-V Verbose output--with two-V for more detailed content-w-Z uses 0 in/out
First, the Python regular introductionPython's re module, allowing Python to support extended regularExtended regular Character set ("." " [ABC] "(ABC)" "A|b"), Anchor Point ("$" "^" "\modifier character ("*" "?") "+" "{}") do not introduce hereThe functions in the second and re modules are mainly three matches (match, search, findall), a substitution (sub), a split (split)1,match (apttern,string,flags=0)Flag: Flags, used to control match matching, are not normally specified, default 0Match is u
floating point E or f% Constant %The conversion target on the left side of the expression supports multiple conversion operations. These operations have a very rigorous syntax. The general structure of the conversion target looks like this:$ [(Name)] [flags] [width] [. precision] code
Index key for referencing the dictionary, filling sign, and widthMinus sign left alignmentAlign right> X = 1234>>> Res = "test:... % d... %-6d... % 06d" % (x, x, x)>>>
"1234" informationperson, OK: = persondb["1234"]OK is a return bool type and returns true to indicate that the corresponding data was foundIf OK {Fmt. Println (' Found person ', person. Name, "with ID 1234.")} else {Fmt. Println ("Did not do not find the person with ID 1234.")}Created an initial storage capacity of 10
[rcx+rdx], 1664525 ;0019660dH add eax, 1013904223 ; 3c6ef35fH mov DWORD PTR [rcx+rdx], eax and eax, 32767 ; 00007fffH ret 0my_rand ENDP_TEXT ENDSInitialize TLS data
For example, we want to set some fixed values for rand_state to prevent programmers from forgetting to initialize them.
#include
The Code except setting the initial value for rand_state is no different from the previous one, but in IDA we can see:
.tls:00404000 ; Segment type: Pure data.tls:00404000 ; Segment permission
)); " If the length is only 5, but find Str.charat (12) can not find is also an empty string", 0~str.length-1 is the legal range. 3 Alert (Str.charat ()); ' I ' default does not write is 0, find the first character 4 alert (Str.charat (2)); ' word ' 5 alert (' 1234 '. CharAt (2)); Alert (' 1234 '. CharAt (2,3)); PNS Alert (Str.charcodeat (2));//23383 Unicode Encoding 8 alert (' 1 '. charCod
The deletion of the array elements in PHP is very simple, mainly unset,array_splice, but about the two have, for a long time mixed, sometimes even the difference.
A lot of places are so different unset,array_splice
If the Array_splice () function is deleted, the index value of the array also changes.If the unset () function is removed, the index value of the array does not change.
In fact, I think there is a precondition for this distinction.
$arr 0=array (' A ', ' B ', ' C ', ' d ', ' f '); $a
Local Windows listenerNc-vv-l-p 1234 first from sf get a tar compressed package wget http://sourceforge.net/projects/netcat/files/netcat/0.7.1/netcat-0.7.1.tar.gz/download-O netcat-0.7.1.tar.gz and then of course is extracted tar zxvf netcat-0.7.1.tar.gz after decompression will generate a directory, to cd into the cd netcat-0.7.1 and then perform the pre-compilation configuration .. /After configure is configured, you can make the compilation. After
follows:Class Program{Static void Main (string [] args){// AggregerUdpClient udpClientA = new UdpClient (new IPEndPoint (IPAddress. Parse ("127.0.0.1"), 1234 ));UdpClient udpClientB = new UdpClient (new IPEndPoint (IPAddress. Parse ("127.0.0.1"), 1234 ));}}According to system requirements, developers may write the program code listed above and directly create two UdpClient objects to enable the same UDP so
Cases:Convert "1234" to the number 1234.Convert "1234" to a number-1234.Convert "+1234" to 1234.Analysis:Set a label sign=1 first,A read character, read to the first character to determine whether it is '-' and ' + '; if it is '-'
Recently recursive people headache, but these two days to see also a little summed up some of the skills can not be called skill itThe problem as follows, will 1,2,3,4 the output of these four digital permutations, see the online there is a very two methods, that is, the number of 10000 within the output of the filter again, a little bit of language, but the program is quite good, heyReturn to the subject, with the idea of recursion to solve(1) The method of rotating numbers, when the step is 1
How can we display this text? in textarea, we need a line feed format lt; html gt; lt; body gt; lt; textarea nbsp; id = "tx" nbsp; rows = 50 nbsp; cols = 200 gt; lt;/textarea gt; lt;/body gt; lt; /html: how to display this text, in textarea, there must be a line feed format
$val="1234
document(\'5678\')";
echo'《script》document.getElementById("web_editor_con2").value="'.$val.'"《script》';
?>
------ Best solution -
~/blog/user/art/1.0.0/add.js DevelopmentAdd article page The main function is a submit form, where we use asynchronous commit1. Module dependenciesTo improve development efficiency, we use jquery for development (we recommend that a project use only one jquery version, so we handle jquery as a core module)To access http://127.0.0.1:1234, we can see that the jquery file has an ID of $, and the interface provided is jquery (the $ function we usually use
A holds the s lock, B executes the Delete request x, but sx is mutually exclusive. B enters the Request queue and waits. a is requesting the x lock. At this time, B is queuing in the queue, if the round does not reach a, a will wait. This kind of loop wait will occur, and the deadlock will occur. SessionA:
Test> begin
->;
Query OK, 0 rows affected (0.00 sec)
Test> select * from tt where id_test = 1234 lock in share mode;+ -- + --- +| Id | id_test |+
similar problems.
LINUX Process Monitoring Protection
Several methods,1. The simplest is to write a script, such#! /Bin/shWhile trueDo./1234 xx bbDoneIf you run this script, you don't have to worry about a problem after 1234 exits.2. Using the above method, you may ask what to do if the script itself is killed ...... You can use scheduled tasks. For example, you can use crontab to check whether the
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