from:http://blog.csdn.net/jasonliuvip/article/details/22600569Linux Network Programming IX: Splice function, efficient 0 copiesRecently looking at "Linux High Performance Server Programming", here to do a diary to motivate themselves, while sharing
Splice function:
Function Description: it is used to move data between two file descriptors. It is also a zero copy operation. The function is defined as follows:
1 #include 3 ssize_t splice(int fd_in,loff_t* off_t,int fd_out,loff_t*
Splice is a newly added zero-copy data sending function in linux2.6 kernel. It is mainly used to send data to or receive data from the pipeline. Similar to splice, the zero copy sending function also has sendfile. The difference is that sendfile
In Linux, the system that improves performance calls sendfile. Splice and tee may be familiar with Linux kernel version 2.4: a static Web Page Server named khttpd is embedded in the kernel of version 2.4. At that time, it may be because of the
How does php splice binary data into strings? For example, the UTF-8 & nbsp; encoding of the character "you" is "E4BDA0 ". There is an array $ arr & nbsp ;=& nbsp; array (chr (228), & nbsp; chr (189), & nbsp; chr (160 )); how can I splice php binary
When deleting an element in the loop array, do not use the splice method.The problem occurs because splice causes the original array to change, and the array is still in the loop.Example:There are a number of groups FormData , requirements: Delete
There are many ways to process arrays. javascript splice () is the most powerful. It can be used to insert, delete, or replace array elements. Here is a one-to-one introduction!
1. Delete-used to delete an element. There are two parameters: the
There are many ways to process arrays. javascript splice () is the most powerful. It can be used to insert, delete, or replace array elements. Here is a one-to-one introduction!1. Delete-used to delete an element. There are two parameters: the first
Recently in doing a project encountered a JavaScript splice () Delete the problem, this problem, looked for a long time, only to find the reason. At the same time, the use of Web resources, the final solution. In my project, I want to implement this
Friday, again will be off work, just a "JavaScript Advanced program Design" Array This piece looked again, deepened the memory. Today to continue to practice LIANBI, hey! (Write down something that you don't remember deeply)I. Definition of arrays
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