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As we all know, the copy provided by Microsoft's operating system is "mentally retarded" with low speed and no resumable data transfer. In addition, copying will drag other applications down and occupy a large amount of File Cache. Therefore, many advanced copy tools are born, and FastCopy is the best. The copy speed of FastCopy can basically reach the limit of the disk, and its implementation can be seen b
Yesterday encountered the need to delete a large amount of files under Linux, you need to delete hundreds of thousands of files. This is a log of the previous program, growing fast and useless. This time, we often use the delete command RM-FR * is not useful, because the time to wait too long. So we have to take some very good measures. We can use rsync to quickl
Java read large file fastest performance
Full reference from: The efficiency comparison test of several large file reading methods
It is said that 1.88g only about 5 seconds, not tested./** * Read large files * bufferedreader + char[] * @throws IOException*/
The usual Delete command RM-FR * is not useful, because the time to wait is too long. So we have to take some very good measures.We can use rsync to quickly delete large numbers of files. 1. Install rsync First:
yum install rsync
2. Create an empty folder:
mkdir /tmp/test
3. Delete the target directory with rsync:
rsync --delete-before -a -H -v --progress --st
Initial Evaluation
Yesterday, I saw a very interesting method to delete massive files under a directory. This method is from Zhenyu Lee in http://www.quora.com/how-can-someone-rapidly-delete-400-000-files.
He does not use find or xargs. He uses the powerful functions of rsync very creatively. He uses rsync-delete to replace the target folder with an empty folder. Then I made an experiment to compare various
Abstract:
This article describes how developers use QQ large attachment uploads and QQ file transfer stations to solve the problem of file transfer between the Office and the residence. In order to save the waiting time, we also used the tips of automatic shutdown.
Our developers often encounter such problems. They develop various materials in the company and wa
Label:mysql>use dbtest; mysql>set names UTF8; Mysql>source D:/mysql/all.sql; To import multiple files through the source command, you can create a new All.sql file that contains the following command For example: source D:/a1.sql; source D:/a2.sql; When you run Mysql>source D:/mysql/all.sql; This allows you to import multiple SQL files within a single source command. I see people still try to use source *
mode, if the user if the reference can traverse to go if the reference to find, Can not be traversed to the Unreal reference queue inside the persistent recovery of the search, backup and restore synchronization is used to him, here is also a network connection why I do not establish a new connection mechanism, in fact, Netty to establish a reconnect is easy to add a monitor reconnect when the connection can be, but now do not need, Well, you know, See the Server client package file in my Code
Php large file download class supports more than 2 GB files support resumable transfer .? Php Tutorial 002 ** 003 * SPANclasst_tagonclicktagshow (event) hreftag. php? Name % CE % C4 % BC % FE file SPAN transmission. resumable data transfer is supported. 004 * larger than 2 GB files
There are a number of ways to transfer files between different operating systems. If the network is available, you can use FTP, SFTP, NFS, SAMBA (CIFS), HTTP, and so on, and if the network is not working, you can use a file system that is supported by two operating systems, such as floppy disks, CDs, or the most commonly used FAT file systems. , you can also use backup devices that are supported by two oper
Everyone is free to watch high-definition movies, using the WIN8 system more advanced functions to see, can have a better experience, such as high-speed, fluent. But if you want to transfer a large volume of the film, it will be troublesome and time-consuming. In fact, in Win8, you can use the gadget "FastCopy" to quickly transfer. How to operate it?
FastCopy,
Netty 5 provides a chunkedwriterhandler to transfer large files, the sending end is as follows:Add Chunedwriterhandler:ChannelPipelineChunkedWriteHandler()); P.addlast ("Handler", New MyHandler ());Send files directlyChannelChunkedFile(New File ("video.mkv"));It is important to note that Chunkedwriterhandler must be ad
The socket recommended Maximum transmission unit is 8,192 characters, but if more than 8192 will cause problems, we can use the following methods to deal withClient codeImport Subprocessimport Socketip_bind = ("127.0.0.1", 9000) client = Socket.socket () client.connect (ip_bind) L1 = []while True: option = input ("client:") Client.sendall (bytes (option,encoding= "Utf-8")) server_data_size = Client.recv Print (server_data_size) a = str (server_data_size,encoding= "Utf-8"). Strip (
Help your classmates with a little corpus today. The corpus is a bit large, and it is a paragraph mark with two consecutive newline characters, and he wants to divide it into multiple small files, that is, every 3 paragraphs form a new file. Having never encountered a similar operation before, I found some similar methods on the internet and looked a bit complica
Help your classmates with a little corpus today.The corpus is a bit large, and it is a paragraph mark with two consecutive newline characters, and he wants to separate it into multiple small files by paragraph. That is, each of the 3 paragraphs constitutes a new file. Because I've never had a similar operation, I've looked at some of the same things on the internet
The best way for php to read large files
Php reads large files in a row instead of writing all the files into the memory at a time. This will cause the php program to become stuck. The following is an example.
The Code
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