current cast of view

This article mainly introduces PHP to view the current session ID method, example analysis of two common access to the session in the ID of the technique, very practical value, the need for friends can refer to the This example describes how PHP looks at the ID of the current session. Share to everyone for your reference. Specifically as follows: There are two

1, view the current logged-in user [WILSH@LCL ~]$ Whatis w (1)-show The Who are logged on and what they are doing [WILSH@LCL ~]$ W 09:49:30 up 1 day, 17:19, 4 users, load average:0.00, 0.00, 0.00 USER TTY from login@ IDLE Jcpu pcpu WHAT root tty3 - 09:25 23:25 0.10s 0.08s-bash root pts/0 192.168.105.188 09:32 9:38 0.02s 0.02s-bash roo

How do I see the current number of connections to Oracle? Just use the following SQL statement to query. SELECT * FROM v$session where username Is isn't null Select Username,count (username) from V$session where username is isn't null GROUP by username To view the number of connections for different users Select COUNT (*) from v$session Number of connections Select Count (*) from v$session where status=

Tags: blog http io ar sp strong data div onHttp://www.cnblogs.com/pcdelphi/archive/2009/10/31/2017990.htmlactual combat experience:> Login to MySQL database terminal >show status; Results: See Threads beginning of No, threads_connected is the current number of connections other look at English to understand it.Show [Full] processlist can also see >show [full] processlist; results: See the end of the command result, see the Rows Statement No, the numbe

文件名 6 ‘logPath‘=>‘D:\phpStudy\WWW\phpernote\com\tmpfile\log_db‘,//日志保存路径 7 ), OK, after the above settings, refresh the page, you can go to the D:\phpStudy\WWW\phpernote\com\tmpfile\log_db directory to find the generated SQL record file. The output log format is as follows: [Time]-[level]-[category]-[content] 2015/04/17 10:30:51 [Trace] [System.db.CDbCommand] querying sql:select * from ' phpernote_article ' ORDER by

The PHP session variable is used to store information about a user's session or to change settings for a user session. The Session variable holds information that is single-user and can be used by all pages in the application. PHP Session variables When you run an application, you open it, make some changes, and then close it. It's like a conversation. The computer knows who you are. It knows when you start the application and when it terminates. But on the internet, there is a problem: the s

started in the background to control it, or look at the situationof the class. Start with the following command:erl-name [email protected]where B is also an English name, but note that it cannot be the same as the previous one (even if the IP is different). ThisThe IP at the office seems to be easy to write because it does not need to be connected back to B from a. But if you want, you might want to write aA valid IP that can be accessed from a to B.After booting, enter into the interactive env

Obtain the controller of the current view. # Import "UIView + ViewController. h" @ implementation UIView (ViewController)-(UIViewController *) viewController {id next = [self nextResponder]; while (next! = Nil) {if ([next isKindOfClass: [UIViewController class]) {UIViewController * viewCtrl = next; return viewCtrl;} next = [next nextResponder];} return nil ;} @ end Note: -(UIViewController *) viewControl

/* -- Handle deadlocksView the current process or deadlock process and automatically kill the dead processBecause it is intended for dead, if there is a deadlock process, you can only view the deadlock processOf course, you can use parameter control to check only the deadlock process, whether there is a deadlock or not.-- Producer build 2004.4 --*//* -- Call exampleExec p_lockinfo--*/Create proc p_lockinfo@

Server Release 5.4 (Tikanga) [Email protected] ~]# lsb_release-r release:5.4 [Email protected] ~]# lsb_release-c Codename:tikanga [Email protected].com ~]# Lsb_release-r-S 5.4 [Email protected] ~]# uname-a Linux jfht 2.6.18-164.el5pae #1 SMP Tue 15:59:11 EDT i686 i686 i386 gnu/linux [Email protected] ~]# cat/proc/version Linux version 2.6.18-164.el5pae ([email protected]) (GCC version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Tue 18 15:5 9:11 EDT 2009 [Email protected] ~]#

sent per second by the block device;For example, if we read the file,Bo will be greater than 0. Bi and Bo are generally close to 0, otherwise the IO is too frequent and needs to be adjusted.Inchrepresents per second The number of interrupts, including time interruption, of the CPU;Csrepresents the context per second number of switches,When invoking the system function, it is necessary to switch the context, the switch of the thread, and the process context.The smaller the value, the better, too

1, through PL/SQL to connect to other databases can be implemented by the service name by adding IP and left slash:2, sometimes our IP and left slash can not lose the other database, because it is configured in a file. Where is this file?In the Network/admin/tnsnames.ora file under this path, we can seeCan see the configuration file has been equipped with the remote address and port, as well as the service name, when we log in, the database select PLATFORM1, in fact, choose this set of configura

(192.168.128.1): Data bytes Request timeout for icmp_seq 0 Reque St Timeout for icmp_seq 1, Request timeout for icmp_seq 2, Request timeout for icmp_seq 3 Request Timeout for icmp_seq 5 If the destination host does not respond to an ARP request, or if the destination host is not in the line, you will receive a message like "host is down". This way you need to try to ping other hosts, if you still receive the message "host is down", then it means that your IP address i