charter troubleshooting

This article mainly introduces how to detect MySQL table faults. the methods provided in this article are based on the myisamchk and isamchk detection tools, you can refer to the following table for troubleshooting and correction. the general process is as follows: Check the tables with errors. If the table check is successful, the task is completed. Otherwise, the database table with errors must be repaired. Copy the table file before starting the r

TCP connection status explanation and troubleshooting (1) By understanding the status of TCP, We Can troubleshoot and locate network or system faults. I. TCP status LISTENING: listens for connection requests from remote TCP ports. First, the server needs to open a socket for listening, and the status is LISTEN. A service is provided in the LISTENING status. a tcp status change is the status change of a port. When a service is provided, a port is open

Possible causes of ORA-27302: failureoccurredat: skgpspawn3 and troubleshooting Possible causes and solutions for ORA-27302: failure occurred at: skgpspawn3 Symptom: Mon May 26 07:08:58 GMT + 08:00 2014 Process startup failed, error stack:Mon May 26 07:08:58 GMT + 08:00 2014 Errors in file/Oracle/app/admin/oracle10/bdump/oracle10_1_psp0_7733326.trc:ORA-27300: OS system dependent operation: fork failed with status: 12ORA-27301: OS failure message:

Today, a colleague to reflect that the community broadband can not be normal Internet.Steps he has dealt with:Go to the business hall to see if the payment is normal. NormalI recommend that he do the other steps that should be checked:0, check the computer is normal? (Can be replaced by another computer test)1, check the router is normal? You can connect your computer directly to an outside line, establish a broadband PPPoE connection, and view the error code.If PPPoE user password does not reme

Encounter a problem: Yesterday the simulator is working properly, and eclipse is not recognized today. Later found to be 360 mobile phone assistant occupied 5555 port caused by, I wonder, usually this is not automatic start, today started. Needless to say, just a few steps will solve a similar port occupancy problem:Open a Command window, enter Netstat-an to see all the port occupancy, as shown in the simulator requires 5555 ports are occupied:In order to turn off this hateful process that take

Cause: Today to the company, think of a little bit of small things have not changed, it is intended to connect to the server to make small changes. The results found yesterday can also be a good remote connection server WIN7, today suddenly can not telnet to ~ helpless ~ Sad urge ~ I can only guess what is the matter? ~ ~ Resolution: 1, Gpedit.msc open Group Policy 2, local Computer policy, computer Configuration, Administrative Templates, System, and credential assignment, enable consent assign

Today to do the curriculum design encountered with the database interaction, the SQLite database is set to UTF-8 format encoding, inserted into the database is correct, but when read out of the error, the reason is that Python str default is ASCII encoding, collect online data, many times to try, The problem is solved, add the following sentence in the code:Import sysreload (SYS) sys.setdefaultencoding ('UTF8')Troubleshooting Python String handling er

(); Session.close (); System.out.println ("-----------------Split Line------------------"); Session Session2=sf.opensession (); Session2.begintransaction (); List). Setcacheable (true). List (); for(User u:list2) {System.out.println (U.getname ());} Session2.gettransaction (). commit (); Session2.close ();Execution Result:DescriptionTurn off level Two cache, open the query cache, the first list query, the property information of all entities query out, only one statement executed, and then only

Title: IOS8 Troubleshoot getting location coordinate information error (Error Domain=kclerrordomain code=0)A few days ago solved the problem of unable to use the address location service on the iOS8, recently debugging on the simulator found to obtain location coordinates information will be error message: Didfailwitherror:error domain=kclerrordomain code=0 "the Operation couldn ' t be completed. (kclerrordomain error 0.) ".The cause of the error is the Project-->scheme-->edit scheme-->options--

sum of the width of the float element is less than 100%If the width of the float element is exactly 100%, some old browsers will not display properly. So make sure the sum of the widths is less than 99%.9. Do you want to reset the default style?Some properties, such as margin, padding, and so on, can be interpreted differently by different browsers. Therefore, it is best to first set all the margin, padding to 0, the list style to none, etc. before development.10. Have you forgotten to write a

1. The following error occurred:STORYBOARDAPP[8593:207] Failed to instantiate the default view controller for Uimainstoryboardfile ' Mainstoryboard '-perh APS The designated entry point are not set?The reason for this problem should be that no view controller in your storyboard set the initial Scene. You need to select a view Conroller as the first interface for story board:2. Error occurred:Receiver XXX type for instance message is a forward declarationClose the Arc of the project (Automatic Re

//addRET =Platform_device_register (dtveint_platform_device);if (ret) {PRINTK ("Eintdebug platform_device_register fail\n");return ret;}#endif//...Thank you!2. Using Spi_device driver call Devm_pinctrl_get (spi->dev), error, repeated restart, error"Log see repeatedly restart. Log" Dear Customer:Hello!You this Cust_eint.dtsi file is running DCT under windowTool generation, this is just a reference. What we are really using is compiled generated Cust.dtsi. So if you want to check, you can check th

delete the east, but also to enter the registration table, (method: Start-run, input regedit) in the Registry dialog box, click Edit-Find, enter the program name, found, click the right mouse button delete, Then a few more searches, often can be completely removed clean. There are a lot of viruses, antivirus software is powerless when the only way is to manually delete. Xi. Unable to open level two link There is also a phenomenon need to pay special attention: is to open the homepage of the sit

=" Wkiom1d830uyshkpaac6yug-wjy133.png-wh_50 "/>Red Flag part of the default is not commented, here to explain the error message: LIBGMP version needs to >= 5, and the environment is not satisfied.There are 2 ways to solve this problem:1, comment out these two lines, do not affect the use, just hide the error. The most fundamental solution is to upgrade the LIBGMP version.2. Upgrade the LIBGMP version as required.Iv. the problem has been resolved650) this.width=650; "Src=" Http://s5.51cto.com/wyf

grouped by enclosing units, and the analysis of memory leaks mainly uses the functions of the "Heap histogram" and oql tags. The former can find the object with the largest total capacity in memory. The latter is a standard object query language that uses SQL-like syntax to query statistics on objects in memory.Vi. Jstack:java Stack Trace ToolThe Jstack command is used to generate a thread snapshot of the current moment of the virtual machine. The thread snapshot is the collection of method sta

bytes from the socket FD at a time, where it can be modified. Http://blog.csdn.net/luotuo44/article/details/39325447#t11What is the difference between compiling the four static libraries generated by Libevent in Linux?In Linux, compiling libevent will produce the following static library Libevent.a, Libevent_core.a, LIBEVENT_EXTRA.A, LIBEVENT_PTHREADS.AThe differences between the four static libraries are: EVENT_CORE.A: Contains the core content of Libevent. such as event, buffer

is still unable to communicate with the server , then you may faced with the problem of some name resolution,This requires checking your domain name server(DNS)settings or problems with your server itself. But,ifPingRemote server failed,so you're going to be dealing with some remote physical network problems .,At this,you need to get to the server.,and perform the steps1to the3the steps of the test,Until the crux of the problem is found. Teng Zheng Group-the leading IDC service provider, specia

;" >, command wait_time , wait_type wait_resource from sys. dm_exec_requests where Command = ' DB STARTUP ' You can force the release of a lock through a kill session. 3.because of resource contention,RedoThe thread is dropped. Large report behavior reduces secondary performance, causing redo threads to be dropped Reason:when the applicationLogRecords,Redothread readsLogrecord, and apply theseLogAccessing DataPage. PageAccess can causeIobottlenecks, ifPageis not in memory. If there

In the company's Web server set up a pureftp, after the company is not connected, the error message is as follows:Failed to connect in PASV mode, attempting PORT mode. Listening on port: 49856, waiting for connection. Port 192,168,2,37,194,192200 Port command successfulMLSD425 Could not open data connection to PORT 11232:connection refus Ed List Error quitChange company another line or use mobile phone hotspot can normal connection, troubleshooting FT

FIN m;client end in the Fin_wait1 state. 2) When the server side receives the fin m, the passive shutdown is performed. The fin is confirmed and returned to the client ACK. When the server side returns to the client ACK, the client is in the FIN_WAIT2 state and the server is in the close_wait state. Its reception is also passed as a file terminator to the application process, because the receive of fin means that the application process can no longer receive additional data on the correspo