current defcon status

I have never met a friend on the internet today. Problem description: The relationship between two tables is as follows: Generate relatedCode. ProgramIn this way: Then, an error is reported: The current status of the system. Data. LINQ. foreignkeyreferencealreadyhasvalueexception object invalidates this operation. In fact,SolutionRemoveMSG. messagetype = msg. messagetype; Value assignment process

Many times we need to look at the network state of our computers, but because the steps are cumbersome, you need to enter the command (enter cmd input ipconfig/all) in MS-DOS mode, so many novice users are not accustomed to this approach. In fact, as long as the installation of a scarecrow convenience tools, we can easily see the configuration of the network, which for small white users is both simple and worry. Now let's take a look at Scarecrow Convenience Tools Scarecrow Convenience Tool

(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

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 current QQ status (1: Online, 0: offline,-1: nonexistent) /// /// /// Public static int getqqstate (long qq) { WebClient client = new WebClient (); Byte [] data; Try {DATA = client. downloaddata ("http://wpa.qq.com/pa? P = 1: "+ QQ. tostring () +": 1 ");} Catch {DATA = new byte [0];} Switch (data. length) { Case 2329: Return 1; Break; Case 2262: Return 0; Break; Case 0: Return-1; Break; D

SYS. dm_io_pending_io_requests can return the current IO pending status. For each suspended I/O Request in SQL Server, the corresponding row is returned, which is the same as sys. in combination with dm_io_virtual_file_stats, You can see which database Io is faulty. Select db_name (database_id)As dbname, Database_id, File_id, Io_stall, Io_pending_ms_ticks, Scheduler_address From SYS. dm_io_virtual_

http://lfstar.blog.163.com/blog/static/56378987201341115037437/See which processes occupy the highest memory? > Spawn (Fun ()-Etop:start ([{Output, text}, {interval, 1}, {lines, +}, {sort, memory}]). (Start etop in output text, with an interval of 1 seconds, an output line number of 20 rows, sorted in memory.) Here spawn a new process to output etop data without affecting Erlang shell input.) Etop output is a bit messy, more than a certain range into the * *, but we have found the most memory-in

view the current status of the Recycle Bin: 1.SELECT Value from v$parameter WHERE Name = ' recyclebin '; If the return value of "on" indicates that the Recycle Bin is started, "off" indicates that it is off. Of course, you can start or turn off every session and system in the Recycle Bin, and the code is as follows: Copy Code code as follows: ALTER SYSTEM SET recyclebin = on; ALTER sessi