function Checkonline ($userid, $tempid =null)
{
$conn = connect ();
For all users
First set yourself up for online
$stmt = "UPDATE". Db_name. ". USER SET isonline= ' Y ' WHERE userid= '. $userid;
$result = Query ($stmt, $conn);
info ($stmt);
If the current user is a visitor
if ($tempid!= null)
{
$stmt = "Select Tempid from". Db_name. ". Tempuser WHERE
Tempid= ". $tempid;
$result = Query ($stmt, $conn);
info ($stmt);
If the visitor is still
Online statistics are often required on the website. In the past, the common practice is to combine login and exit functions, that is, when the user entered the user name password to log in when the Counter plus 1, and then when the user clicks the Exit button to exit the system when the counter minus 1. There are some drawbacks to this approach, for example: After the user log in normally, may forget to click the Exit button, but closes the browser d
Mopay is a world-renowned mobile payment technology company with nearly 3.3 billion customers in 80 countries, and Kolja Reiss is its general manager.
In the past, the preference for anonymous access has somewhat hampered demand for mobile phone payments. Now, as the problem of data and identity theft intensifies-and the recent Sony PSN Hacking event is an example-there is a growing outcry about the idea of being able to buy online anonymously without
Design strategy of online survey tableThe questionnaires are ubiquitous on the Internet, especially by survey companies, who request that everyone browsing their site participate in their various surveys.
But in fact, many of the online questionnaires are poorly designed, sometimes taking too much time, confusion, or even boredom from the respondents, and the data collected by a poorly designed questionna
Online China's leading mobile internet company offering multimedia value-added products and services Tom Online (US Nasdaq: TOMO, Hong Kong Venture Edition: 8282), with Technologies S.A, headquartered in Luxembourg. Today's joint announcement: they have signed a strategic cooperation agreement The world's leading Internet voice communication tools and instant messaging services to the vast number of Chinese
own necessary examination paper, namely utilizes the existing question storehouse, may produce many papers. In a group of volumes, you can make and delete each question you choose, in order to adjust, and you can specify the major (small) problem scores and examination time of the test paper (the default value mentioned before). In short, can make the user completely satisfied with the test paper for online examination or testing use.
The key points
hypothesis for login.php add:
Pay the present time first: $time =date (' y-m-d h:i:s ');
mysql_select_db (line);
mysql_query ("INSERT into line (Name,time) VALUES (' $name ', ' $time ')");
OK, now every logged in user has a record in the database, the following to complete the user online display program line.php:
?
Mysql_connect ("local", "" "," ");
mysql_select_db (line);
$result =mysql_query ("SELECT * from line");
$num =mysql_numrows ($result)
Applies to PowerShell or later versions
Starting with PowerShell 30, the PowerShell itself does not have a bundle of help documents. The user has to use the command update-help to update the PowerShell help document and download it to the locally protected PowerShell folder. is protected because regular users cannot perform the update command.
The next time you want to see a help document without a command, you can simply use the online version. The
Online Game update Security firstFor the online online game server, change the code to put security in the first place, to avoid introducing errors.When adding a feature or correcting an error, the scope of the change should be kept to a minimum.Try not to create an impact on other existing functions.For example, there are 2 design scenarios for implementing a fe
"description": all screenshots of this article originate from the network, which has nothing to do with the product of the screenshot itself, only for illustration. At the same time this article is very simple, another day from the technical level to explain how the industry site application.
Yesterday I chatted with a friend about the website online customer service, namely:
Do you want the online custom
With the stock market heating up, the online bank as a transfer, payment means of the shareholders increased significantly. And through the online Bank subscription fund, can also enjoy the rate concessions. But, while enjoying the convenience of internet banking, how can we avoid the economic losses caused by hackers ' attack?
"The operation risk of net silver can evade." "China Financial Certification Ce
communication protocol, both sides have to support rpcbind the RPC protocol to start the program only line! These communication protocols will be presented separately in the following chapters.
Network load problem (loading):When there are a large number of packets flooding the Server or the Hub or the same domain, it is possible to cause network pauses or even hang points! In addition, if someone in the network uses BT (peer software) or someone poisoning causes the worm to fill the whole ar
partitions are mapped to physical partitions, so if the size of the physical partition is 4MB, the logical partition size will also be 4MB. The size of the logical volume depends on the number of logical partitions allocated.Tools/Materials
A server or notebook with a Linux operating system installed
The virtual machine environment can also
Method/Step
To build LVM, you first need to prepare the disk or partition for LVM. If you use a disk partition as a physical volume, y
Eclipse Online Install svn one, SVN online installationThe following is an online installation of the SVN plugin. The following are the online installation steps: Where http://subclipse.tigris.org/update_1.10.x is the latest version of the SVN plugin download site "Subclipse is the SVN plugin for Eclipse." Clic
Tags: Oracle1. First build the test table and insert the test data: Create table mypartition (ID number, code VARCHAR2 (5), identifier VARCHAR2 ( ));
Insert into mypartition values(1,' ',' 01-01-0001-000001 ');
Insert into mypartition values(2,'up ',' 02-01-0001-000001 ');
Insert into mypartition values(3,'',' 03-01-0001-000001 ' );
Insert into mypartition values(4,' i ',' 04-01-0001-000001 ');
commit;
alter table mypartition add constraint pk_test_id primary key (ID);2. Check whether
Oracle online backup
In Oracle, online backup requires database operations in ARCHIVELOG mode. In an online store, the database must be on 24x7. Therefore, it is impossible for users to back up the database offline without accessing the database. In this scenario, the database should be run in ARCHIVELOG mode. In this mode, the transaction will continue to run,
Online functionalityThe underlying table cannot be modified, truncated, or dropped and an online index operation are in process.The online option setting (on or OFF) specified if you create or drop a clustered index was applied to any nonclustered I Ndexes that must is rebuilt. For example, if the clustered index was built on
With the increasing scale and demand of online game practitioners, more and more friends have entered the online game development field, which leads to a rapid increase in the demand for online game development technologies in the market. Currently, the online gaming industry is in short supply of "expert" developers w
Project to do more, recently, to do a project: Java-based simple online chat system, feel very proud of.This project uses the Java programming language to realize the design and implementation of the Web-based text interaction software, and achieves the interactive operation of the multi-client text message. Through the server-side multi-threaded monitoring client login and exit, real-time receive the message sent by the client and directed to the des
Microsoft has finally confirmed Windows10 's exact release date-July 29. Drive your life in the footsteps of a new masterpiece. Drive life full launch of the Windows 10 online detection upgrade feature. Various hardware drivers, including graphics cards, sound cards, motherboards, USB, etc. can be downloaded directly in the Web site updates. On-line Intelligent detection drives enable you to quickly detect whether your computer can upgrade WIN10, and
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