13 File upload and management related interfacesThis set of interfaces realizes the uploading and management of video resources, and provides support for video transcoding and publishing.The uploaded video files on the server, after transcoding,
Turn from: Http://www.2cto.com/os/201305/213782.htmlLinux System file properties: Drwxr-xr-x meaning drwxr-xr-x 4 Oracle DBA 4096 May 11:47 or Alog1drwxr-x---Root root 4096 may 13:51 root the above file details the meaning of the drwxr-xr-x
Option meaning of info. plist, meaning of info. plist
1. application does not run in background (container name: UIApplicationExistsOnSuspend) from the end of iOS4.0, when you apply the program line, press Home terminal, the application does not
In a Linux system, most configuration files, log files, and even shell scripts use a text file format, so there are a variety of text editors in the Linux system, but when you just want to look at the contents of these files, you can use a simple
-rwxr-xr-x 1 root root 1904 Apr startup.shThe first character,-Represents file D for folder L for: Soft connection file (similar to a shortcut under Windows)From the second character, each character represents a permission,In turn (read r=4) (write
C-based file operations
In ANSI C, the operation of the file is divided into two ways, that is, streaming file operations and I/O file operations, respectively, described below.
One, streaming file operation
The file operations in this way have an
The meaning and relationship of nal, slice and frame in H.NAL Nal_unit_type 1 (encoding strip for non-IDR images), 2 (coded stripe data split block a), 3 (coded stripe data split block B), 4 (coded stripe data block C), 5 (encoded stripe of IDR
UNIX advanced environment programming (13) signal, unix programming 13 Signal
The signal is Soft Interrupt.
Signals provide an asynchronous way to process events. For example, you can press the End Process key on the terminal to terminate a process
During the development of the project, 13 documents should be written as required, and the documentation requirements are targeted, accurate, clear, complete, flexible, and traceable. ◇ Feasibility Analysis Report: Explain the feasibility of the
During project development, 13 types of documents should be prepared as required, which should be targeted, accurate, clear, complete, flexible, and traceable.
◇ Feasibility Analysis Report: describes the technical, economic, and social feasibility
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