Friends in the use of Delphi programming, often encounter the need to get their own IP address in the program. In previous versions, you could have done this by writing a piece of code or a function. But with Delphi 7, the job can be simplified. This functionality can be easily achieved by using a control with just one sentence of code.
Create a new Project1, add control statusbar1 (Win32 page) and control
The previous get URL address parameter used by colleagues today is not available. The previous method failed. A regular expression bug was found later:The first method of acquisition (generally sufficient for general conditions): function getquerystring (name) {var reg = new RegExp ("(^|)" + name + "= ([^]*) (|$)", "I"); var reg_rewrite = new RegExp ("(^|/)" + name + "/([^/]*) (/|$)", "I"); var r = wi
Set current page full address is: Http://www.jb51.net/aaa/bbb.aspx?id=5name=kelli"/HTTP" is the protocol name"Www.jb51.net" is the domain name"AAA" is the station name."Bbb.aspx" is the page name (file name)"Id=5name=kelli" is a parameter"1" gets the full URL (protocol name + domain + site name + file name + parameter)The code is as follows:String url=request.url.tostring ();Url= Http://www.jb51.net/aaa/bbb.aspx?id=5name=kelli"2" gets the site name +
Error:can ' t get master address from zookeeper; Znode data = null
http://blog.csdn.net/u010022051/article/details/44176931
Run HBase shell times wrong:
HBase (main):001:0> list
Error:can ' t get master address from zookeeper; Znode data = null
Here's some help for this command:
List all tables in HBase. Option
CENTOS7 version minimal is installed by default and does not acquire an IP address and requires manual configuration. Here's how:1. Enter "IP addr" and press ENTER to confirm that the IP is not available (CentOS 7 does not have ifconfig command by default), and the name of the network adapter is recorded (Ens33 in this example).2. Enter "cd/etc/sysconfig/network-scripts/" press ENTER to confirm, continue to enter "LS" press ENTER to view the file.3. E
It is not difficult to get a MAC address in PowerShell. Here's a way:
Copy Code code as follows:
ps> GETMAC/FO CSV | Convertfrom-csv
Physical Address transport Name---------------- --------------5c-51-4f-62-f2-7d \device\tcpip_{ff034a81-cbfe-4b11-9d ...5c-51-4f-62-f2-81 Media Disconnected
The problem we face is to classify data and format it.
The easiest way to do it
The code is as follows
Copy Code
$ip = $_server["REMOTE_ADDR"];Echo $ip;
Most practical access to user IP address code
The code is as follows
Copy Code
function Get_real_ip () {$ip =false;if (!empty ($_server["HTTP_CLIENT_IP"])){$ip = $_server["Http_client_ip"];}if (!empty ($_server[' http_x_forwarded_for ')){$ips tutorial = Explode (",", $_server[' http_x_forw
This procedure describes how to obtain the name and IP address of the local computer.
Add two Tlabel components, two tedit components, and a TButton component to the form, as shown in Figure 1 of the finished design.
Figure 1 Main interface
First add a reference to Winsock in the uses section of your program, and then add a gethostname custom function that calls the GetComputerName function to get the
"ASP. NET development "Get client IP address via C #Description: The content of this article is my blog in the park and the MSDN discussion area of the material, and then through their own actual testing, the original content of their own to tell the truth is very few , write this is to record their work in the project, but also want to initiate. The referenced blog post and its author are mentioned below.
[From] https://www.cnblogs.com/xiaoBlog2016/p/7076230.htmlDiscussed:This blog is at work, need to get the current network under the correct IP address, online access to a lot of blogs, online a more popular argument is through Inetaddress.getlocalhost (). Gethostaddress (). But only can obtain the Simple network environment the IP address, then ignores the IP
This article mainly introduces how to obtain the Customer degree MAC address in PHP and JS respectively, need friend can refer to the next
Nonsense not to speak more, directly on the code!
Copy Code code as follows:
class Macaddr
{
Public $returnArray = Array ();
public $macAddr;
function __contruct ($os _type=null) {
if (is_null ($os _type)) $os _type = Php_os;
switch (strtolower ($os _type)) {
case "Linux":
$this-gt;forlinux (
Hard disk
private void GetInfo (){String cpuInfo = "";//cpu serial numberManagementClass cimobject = new ManagementClass ("Win32_Processor");Managementobjectcollection MOC = Cimobject. GetInstances ();foreach (ManagementObject mo in MOC){CpuInfo = mo. properties["Processorid"]. Value.tostring ();Response.Write ("CPU serial Number:" +cpuinfo.tostring ());}
Get the hard drive IDString Hdid;ManagementClass Cimobject1 = new ManagementClass ("win32_diskdri
In the previous article, we listed several conclusions about calculating the size of Java objects and the use of Jol tools, and the source code of the Jol tools is interesting to look at. Now we use the Sun.misc.Unsafe in the JDK to calculate the offset address of the next field, a verification of the conclusions in the previous article, and a comparison with the Jol output results. You can refer to this article for information on how to
In the previous article. We have listed several conclusions about calculating the size of Java objects and the use of Jol tools, and the source code of the Jol tool is interesting to look at. Now we use the Sun.misc.Unsafe in the JDK to calculate the offset address of the next field, a validation of the conclusions in the previous article, and a comparison with the Jol output results. How to get the Sun.mis
Definition of Psactiveprocesshead:in a Windows system, all active processes are linked together, forming a doubly linked list, and the header is a global variable Psactiveprocesshead, when a process is created, its activeprocesslist domain is added as a node to this list, and when the process is deleted, it is removed from this list, and if Windows needs to enumerate all the processes, manipulate the list directly.Method One: Hard-coded search from Kdinitsystem function addressMethod Two:
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