heater troubleshooting

function in the CPP, if you want to reuse the function in multiple CPP, the declaration refers to the header file, or CPP internal declaration to be added static decoration;Explore the question:1. What is the difference between a global static variable and a global variable?A: The description of the global variable (external variable) is preceded by static, which constitutes a static global variable. Global variables themselves are static storage, and static global variables are, of course, sta

Atitit. Process Standardization ---mysql troubleshooting processes that don't start up Attilax Summary1. mysql startup log file 12. Console mode 13. Install as a service 13.1. Using the default profile 13.2. Guidance Profile 24. Start the service 21. mysqlthe boot log fileIf the direct horse deflt file param is the default parameter : MySQL cannot auto search config file ...The default log for MySQL restart is the log blackheads to a system ... .My

circuit and video card VGA interface connection. Although this kind of connection form solves the problem of signal matching, it brings the problem that the distortion is easy to be disturbed. The reason, mainly because the LCD itself clock frequency and input analog signal clock frequency to maintain 100% of the synchronization, especially in the analog synchronous signal frequency constantly changing, if at this time the LCD synchronous circuit, or with the video card synchronization signal c

the following troubleshooting steps. (1) The VLAN6 and VLAN7 VLAN information in the Annette Network management switch All deleted, all the ports are zoned in the normal VLAN1 of the Internet, which they completely and VLAN1 the same. But the problem remains the same, while the users in other office areas VLAN1 the Internet. (2) from the Step (1) inferred that the problem is not the VLAN division, we began to suspect that the optical transceiver or

Some days ago found: http://hellojava.info/This site, the article basic Ali to encounter Java Troubleshooting Analysis Summary, rich content.Online fault summary is actually the most valuable, good summary is a system evolution history, is the team's rare accumulation of precipitation.Although the public out of the content is not much, but it is worth a look, spent a lot of time to complete each article to see the whole, well, accustomed to the round

Sometimes network protocols can occur a variety of problems, a lot of NMS in the face of problems. This article said that the Internet Café network protocol troubleshooting methods. First, the performance of Internet Bar network protocol fault Protocol failures typically behave in the following ways: 1. Internet café computer can not log on to the server; 2. The computer does not see itself in the "Network Neighborhood", nor does it see other comp

First, Concept chapter In the introduction of troubleshooting DHCP before the first to clarify a few conceptual things, only theoretical enrichment, in order to better understand the following troubleshooting ideas. First: What data can the DHCP service provide? The DHCP service is not omnipotent, he can only provide network-level-related parameters, such as IP address, mask address, gateway address, WINS

Tags: info troubleshooting alt Software Profiler COM sharing summary selectionRemember the previous customer in the use of software, there are occasional deadlock problems, because the time is uncertain, not good to reproduce the problem, at that time to solve the problem is a bit tricky.Here is a summary of the two common ways to look at deadlocks:The first is the graphical monitoring of:SQL Server Profiler--and tools--when you log on in the trace pr

following will describe the whole problem of the troubleshooting process.2. Principle of semi-synchronous replication MySQL Master repository is consistent through the Binlog log, the main library executes the transaction locally, the Binlog log is returned to the user after the disk is dropped, and the repository synchronizes the operations of the main library by pulling the main library binlog logs. By default, there is no strict synchronizatio

Tags: mysql error status MasterMySQL master-slave replication troubleshooting case One:Problem: master/slave cannot syncPhenomenon:master:mysql> show MASTER status;Empty Set (0.00 sec)Slave:mysql> show SLAVE status \g;Slave_io_running:connectingSlave_sql_running:yesSeconds_behind_master:nulllast_io_errno:1045Last_io_error:error Connecting to master '[email protected]: 3306 '-Retry-time:60 retries:86400Troubleshooting process:First, MASTER: [[email pro

Tags: boot inf CTRL drive technology config technology sharing user troubleshooting# #root用户密码的修改Press the up and down key to interrupt the boot, press "E" to enter the kernel bootThe linux16 line is deleted to the location shown on the way and modified;Press "Ctrl+x" to start when you have finished modifyingEnter the system to switch to the real environment, start to modify the root password, and create/. autorelable file;After completion, enter two

Just into a company, suddenly a direct throw to the public network development test machine, there is output traffic explosion 300m+, directly lead to server load high, IDC cacti monitoring reported traffic anomaly problem, the following is the troubleshooting process:1, vim/root/.bash_history # View root user operation command log file, any information is not, be clear2, vim/var/log/Secure # Check the log, found a lot of login failed to try to record

in a real-world production environment, you will often encounter servers CPU full problem, this time, the correct method of troubleshooting, help to quickly locate the problem. 1, find the most CPU -consuming process executes top , displays a list of process run information, and then type p ( uppercase p), the process follows the CPU The usage rate is sorted. 2. Find the thread that consumes the most CPUexecutes top-hp 8880, displays a list of thread

=INNODB;Disadvantage: If the single table is increased too large, such as more than 100G, performance will be affected. In this case, if you use shared tablespace, you can separate files, but there is also a problem, if the scope of access is too large to access multiple files, it will be slower. If you use a stand-alone table space, consider using partitioned tables to mitigate the problem to some extent. In addition, when you enable standalone tablespace mode, you need to adjust the settings o

#=====================Import Database:# TAR-XVF employees_db-full-1.0.6.tar.bz2# CD employees_db# msyql-h Localhost-u Root Employees.sql=============================================Precautions:1, [ ]# rpm-qa|grep MySQLIf both Mysql-libs and Mysql-server are present, unload both.2, []# whereis cmake3. []# CD mysql-5.6.21[]# Vim Install-sourceError occurred:Troubleshooting:[]# yum Install ncurses* error still occurs. As follows:Error Downloading Packages:ncurses-static-5.7-3.20090208.el6.x86_64:

Tags: Linux system troubleshooting Linux system Boot process boot directory recovery partition table information recovery for main sectorsLinux Boot SequenceThis diagram is a complete introduction to the Linux boot sequenceBelow I will tell you in detail a boot processThe first step is to load the BIOSWhen you turn on the computer, the computer will first load the BIOS information, which is called the power-on self test. This shows that the BIOS infor

With the development of China's exchange industry, it also promotes the upgrade and improvement of the core layer switch technology. Here we mainly analyze some fault analysis and troubleshooting of the core layer switch. The LAN of multiple branches directly accesses the local headquarters enterprise network through 10 m Fiber Channel of the local carrier. The networks of all local branches are converged to the core layer switch, and the core layer s

Enterprise switches are worth learning a lot. Here we mainly introduce common troubleshooting methods for enterprise switches. Enterprise switches have various faults, and different faults have different forms. In case of failure analysis, you must use various phenomena to flexibly use troubleshooting methods (such as exclusion, comparison, and replacement) to locate the fault and troubleshoot it in a timel

ISA Server troubleshooting Policy 10.2 ISA Server troubleshooting Policy System methods are essential for successful troubleshooting. In the event of an unexpected ISA Server error, You Can troubleshoot the error based on the user or the data packet. This section provides troubleshooting policies for two types of conne

When installing the linux File Server, skip the troubleshooting tutorial-Linux Enterprise Application-Linux server application information. For details, refer to the following section. Please try your best to use the tree mode. Troubleshooting during system installation Troubleshooting during System Configuration Troubleshoo