what is cname record

also have to write some automated scripts for the needs, Visual FoxPro is good, with SQL statements, intuitive, timely feedback, at that time also can greatly improve work efficiency (then the XLS can be easily imported into). The following personal views: For potential job needs: VBA in Excel (tools to drastically reduce repetitive labor), Visual FoxPro (Low priority, after all, too old, though it's hard to say that there's no old data to handle wi

store the total sector number of partitions, the maximum can represent 2 of 32 of the number of sectors, in 512 bytes per sector, each partition maximum can not exceed 2TB. When the disk capacity exceeds 2TB, the starting position of the partition is not represented. In the hard drive capacity of today, 2TB limit has already been broken. This shows that the MBR partition scheme is now no longer enough to m

files and drivers for startup. After logon, the command prompt is displayed on the screen, instead of the Windows graphic interface. Note: In this mode, if you accidentally close the Command Prompt window, the screen will be black. Press CTRL + ALT + DEL to bring up the "Task Manager", click "new task", and then enter "C:/Windows/assumer.exe" in the "run" dialog box ", the GUI of Windows XP can be started immediately, which

When you learn MySQL, you often meet the index, what exactly is an index? Before I was only vague will use, but let me explain it is really a bit difficult, so that in the free time to consult the next book, in case someone asked me, I sorted out the next, a little impression is good, said will not be very embarrassed,

What should I do if a hard disk error occurs after GHOST is restored? How can I solve the hard disk fault after GHOST is restored?If you use GHOST to restore the system to 99% for a long time without response, you can recognize the hard disk by restarting the self-check. However, you cannot enter Windows PE or DOS, and the hard disk lights are on. In the past, ha

What is the impact of the region chain structure on the data center? The impact is good or bad !, Regional data center With the emergence of distributed data center networks, their boundaries are getting closer and closer to the end users they serve, and the structure and functions of databases are also evolving. Its data security has obviously become a major pr

The title has a 100-storey building that gives you two identical glass balls. If you start from a certain level, drop the glass ball and smash it. So how to use the hands of the two balls, with what best strategy to know this critical layer is the first layer???Each time must be from the low floor to the high floor to try, until the floor f (k), the first ball has been broken down,

There is always a newly-introduced Windows programmer asking me what the Windows handle is, and I say you see it as a pointer-like identifier, but obviously the answer doesn't make them happy, and then I say go ask the Niang, they say not too much on the internet is difficult to understand. Today more busy, I surf the

What is the function of not NULL in the new field when the statement ' AAA ' varchar (one) is not null? What is the function of not NULL in the new field when the statement ' AAA ' varchar (one) is not null?

Now there is a requirement to execute an animation on the PC page. as long as the PC starts to execute this animation, the client, or the mobile end, will also execute this animation. what should we do if there is a synchronization problem involved? Now there is a requirement to execute an animation on the PC page. as

[MVC Framework] -- what is the MVC Framework and the framework is mvc After learning the classic layer-3 architecture, I feel that any framework is no longer difficult. In any case, I need to connect to the database, process and display the business logic. The rest is nothin

safety supervision to find out.2. There are some technical and security materials. To put it bluntly, I will tell the workers what to pay attention to and the technical security aspects. I will print them out and ask them to sign the documents and then apply for an ICP filing, in the future, if something goes wrong, it will prove that you have already told them in advance, but they are not doing well.3. The last