this object into two parts, so that each object can be modified only because of a change. Of course, you can only find this point after you join a new database or financial tool. All corresponding modifications to an external change should only occur in a single class, And all content in this new class should be reversed. To this end, you should find all the changes caused by a specific reason, and then use ExtractClass (149) extracts them into another class.
6. Shotgun surgery (volume modifica
1, download the Diskgenius, download it without installation, as long as the solution to the hard disk can be used. You can see that copyright is developed by a man named Li Dahai, as early as in the DOS era to his ears.
Double-click Disk Genius.exe can be run, the program interface diagram below.
2, here can see a nominal 320G hard drive, the display capacity is 298G,
3, first select a logical disk, such as Logical Disk H, and then click on the "Hard Drive" menu,
Oracle
Oracle's bad block is ORA-01578 wrong, and may also be accompanied by ORA-01110 errors, which can be tricky for beginners or for those with no practical experience. I had been deeply hurt, write this article is to hope to help everyone.
A situation when there is a problem
1, I have a billing process to stop, the report is ORA-01578 wrong, the application-related table Tg_bill03 do sql>select from TG_CDR03 where rownum
2, check the Alter
Error
Test hard drive Bad Sectors in CentOS
Hard Disk status testing tools: smartctl, Badblocks, hdparm
You can quickly see whether the hard disk is healthy by using smartctl. The command is as follows:
[Root @ qy ~] # Yum installsmartmontools-y
Start SMART
# Smartctl -- smart = on -- offlineauto = on -- saveauto = on/dev/sda
[Root @ qy ~] # Smartctl-a/dev/sda
Smartctl 5.42 2011-10-20 r3458 [i686-linux-2.6.18-194.el5PAE] (local build)
Copyright (C) 2002-11
According to recent media reports, there have been four injection deaths in a village clinic with complete qualifications in Anwei, and medical accidents have once again appeared in people's field of view. In fact, there are many bad habits in life, and they are increasingly eroded by people's health. Look at the following bad habits of accelerated death. Do you have any of them? If yes, please change it!
Using badblocks to detect bad sectors of a hard disk is a consumable device. When used for a period of time, physical faults such as bad sectors may occur. If a bad track occurs on the hard disk of a computer, if it is not replaced or processed in time, the number of bad tracks will increase and cause frequent crashes
The problem with the Win7 disk "bad way" often happens in some older computer systems. Disk Bad road is mainly divided into logical bad and physical bad road Two, logical bad road is soft bad road, is generally caused by improper
Small white user on U disk there are a lot of places do not understand, especially about u disk trouble some problems. Recently small series received a Netizen's inquiry: What is a U disk bad block? Is there a u disk bad block U disk can not be used? expansion disk and U disk bad block what is the relationship? The following small series to answer.
U disk and ot
10 actions that turn you into a bad programmer
Previously, this site published "ten habits of excellent programmers" and "basic skills required by programmers", which we need to learn and cultivate. Here, we mainly discuss the features of ten bad php programmers, mainly to avoid and be careful.1) emotional thinkingIf you start to look at the world with different colors, you may become a very
Recently, the phenomenon of server downtime more frequent, temporary work, G to hang up, 502 Bad Gateway Nginx, I can not help but remind me before the 504 gateway time-out, the two should be a bit of contact, we must find out. The implication of Nginx 504 Gateway time-out is that the requested gateway is not requested, simply that there is no request to the php-cgi that can be executed.
To solve these two problems is a need for comprehensive thinkin
Some websites that run on Nginx sometimes appear "502 Bad Gateway" errors, even when they occur frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting methods, for reference:The reason for Nginx 502 error is more because of a problem with the backend server in proxy mode. These errors are generally not the problem of nginx itself, be sure to find the reason from the back end! But Nginx put these mistakes are in
Http://www.cocoachina.com/programmer/20150723/12723.html1. SummaryRecently wrote a lot of code, review a lot of code, but also done a lot of refactoring, in short, a bad code to work for a few weeks. In order to express some of the emotions that have reached the brink of collapse several times in the last few weeks, I decided to write an article about the bad code. Here is the last article, talk about the c
1, when found that there is a hard drive bad road, should be judged first is the logical bad way or physical bad way if it is logical bad, usually due to some software or improper use of the cause, this bad way can use software repair. If it is a physical
As a storage device of the hard disk, the probability of failure is not large, the normal use of the hard disk, if not affected by external forces, generally will not be a problem, and we saw some such as hard disk circuit board burned hardware failure, but also because of the user's very operation caused. But in the maintenance work of the computer, hard drive bad road is often encountered hard disk failure, most of the fault is the surface of the di
Deep parsing: Cleaning up bad codeSummary:Bad code is not necessarily a problem, as long as they are not wrong, no one will scoff at it. Unfortunately, the probability that they are not found is too small. Errors will be found. New features are needed and the new system is released. Now you have to deal with this horrible code and try to clean it up.Guess what! You are "inheriting" (receiving) a bunch of messy old code. Congratulations to you! It's al
Try to fix the system first. Please refer to the following article! How can I fix bad hard drive channels? First, check whether the hard drive's bad track is a logical or physical bad track. The method is very simple. Press "F8" when the computer is started and select "command prompt only" to enter the DOS mode. The operating system of this method must be Windows
Detection and repair of Disk Bad Sectors in CentOSUsing badblocks to detect bad sectors of a hard disk is a consumable device. When used for a period of time, physical faults such as bad sectors may occur. If a bad track occurs on the hard disk of a computer, if it is not replaced or processed in time, the number of
Willfelps was interviewed in the latest issue of American life. He is a professor at the University of Washington and once organized a sociology experiment to prove the surprisingly powerful influence of bad apple.
Note: This American Life is a narrative broadcast program that plays on more than 500 home appliances every Monday and has about 1.7 million audience members. This program was produced by Chicago Public Media Corporation. It is also the mos
As a storage device of the hard disk, the probability of failure is not large, the normal use of the hard disk, if not affected by external forces, generally will not be a problem, and we saw some such as hard disk circuit board burned hardware failure, but also because of the user's very operation caused. But in the maintenance work of the computer, hard drive bad road is often encountered hard disk failure, most of the fault is the surface of the di
As a storage device of the hard disk, the probability of failure is not large, the normal use of the hard disk, if not affected by external forces, generally will not be a problem, and we saw some such as hard disk circuit board burned hardware failure, but also because of the user's very operation caused. But in the maintenance work of the computer, hard drive bad road is often encountered hard disk failure, most of the fault is the surface of the di
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