Reprinted --- Analysis of the wave file format
As one of the acoustic file formats used in multimedia, the wave file is in the riff format as the standard.
Riff is the abbreviation of resource interchange file
u Disk file format how to choose
When the U disk is formatted, the file system will appear fat32,ntfs and exFAT format for users to choose, this is the user will hesitate, do not know which file format to choose. This is the user
, including albums and singers. Therefore, we need to study the file format of mp3. The following is a document searched from Baidu encyclopedia.
Http://baike.baidu.com/view/66078.htmlID3 Introduction
The ID3 tag is an additional song message in an MP3 music file. It can be used to append the song performer, author, and other types of information to facilitate th
Video: Mp4/m4v/3gp/mpg, flv/f4v/swf, AVI, GIF, WMV, RMVB, MOV, MTS/M2T, webm/ogg/mkvMP4 format is the most common kind of video file format, it now uses the video encoding is not the original MPEG4, but H.264/AVC video encoding and AAC audio encoding. It is a commercial video coding, the need for copyright fees abroad, generally more commonly used processors will
This article was reproduced from: http://www.cnblogs.com/forfuture1978/archive/2009/12/14/1623597.htmlLucene index What is stored in, how to store, that is, Lucene index file format, is to read the Lucene source code a key.When we actually enter the Lucene source code, we will find:
The index process of Lucene is the process of writing the inverted table into this
At present, the network on the MP4 file format summary has been quite a lot, I am not here to copy others summed up things, want to get started Baidu will have a lot of this article. Here is a MP4 file structure that is rarely involved in other articles, that is, fragment MP4, also known as ISMV files.To really understand the MP4
For low-layer windows programming, API Interception is always an exciting thing. Is it more interesting to use your own code to change the behavior of other programs? In addition, in the process of implementing API Interception, we also have the opportunity to familiarize ourselves with many things that are rarely touched by in the RAD programming environment, such as DLL Remote injection, memory management, and PE file
Colleagues sent the PowerPoint slides to the Cubs, who knows how to send a bear how also can not open, this is what the situation, has been used very well, and open before the slide is not a problem, why the colleague sent to bear this slide can not open it? A careful look at the original colleague sent him the file format and the usual format is not the same, us
, understanding the suffix is of great help to improve programming capabilities.1 ,. jpr is a project file generated by the JBuilder system to record user information, such as name, company name, and project brief introduction. When you create a class, select generate header comments, JBuilder automatically adds a brief description above the code.2 ,. JPX is a project description file generated by the JBuil
The php has a system-by-File size function, which is filesize (), but this function is in bytes, in some cases, we need to be very intuitive to understand a file size, not only need byte B this unit, but also need KB,MB,GB, Even bigger TB,PB, so we need to write some functions ourselves to format the output of filesize () For example, encountered a very large
h264-mp4 format and extract H264 SPS, pps and bitstream in the MP4 file
Skyseraph APR 1st 2012
Email:skyseraph00@163.com First, MP4 format basic concept
MP4 format corresponds to Standard MPEG-4 standard (iso/iec14496)
Second, MP4 packaging format core concept
1 MP4 package
Recently, we have been collecting video data. We need to save the collected data to the BMP format. Now we can post the knowledge about BMP for everyone to learn.
BMP is a standard Windows Image format compatible with DOS and Windows. The BMP format supports RGB, index color, grayscale, and bitmap color modes. Can I specify windows or OS/2 for images?
The basic file formats of the arm system are commonly used in ARM-based embedded system development.There are three basic file formats for the arm system:1) bin, flat-board binary format, which is generally used for Directly Writing to flash and loading to the monitor program.2) Elf, executable and linkable format, a c
Iv. Specific format
4.2. Reverse Information
Reverse Information is the core of the index file, that is, reverse index.
The reverse Index consists of two parts: the left side is the Dictionary and the right side is the inverted table (Posting List ).
In Lucene, these two parts are stored in files, the dictionary is stored in tii and tis, And the inverted table contains two parts: the document number and wo
In rare cases today, we need to study the image file format unless in some specific scenarios. Here, I made such a small tool first. Currently, the BMP, ICO, and cur file formats can be displayed. In fact, as long as you know the format definition of a file, you can display
Php force download of any file format
Download some files using php. this is generally required to hide the files. Otherwise, it will increase the burden on the server. it is better to provide the software address directly.A simple php file downloads the source code. although resumable data transfer is not supported, it can meet some common requirements.
access| conversion Recently, the network administrator gave me a space on the server to show some information. In order to facilitate the query on the network, they made a simple ASP query system, which is linked to an MDB format Access database, and before the web, data is used in Excel form
Software to summarize, format for XLS, can you convert XLS
The file generated after the compiler compiles the source code is called the target file. What exactly is stored in the target file? Or how do we store our source code after compilation?In terms of structure, the target file is an executable file
Android reverse trip --- parse the compiled AndroidManifest File FormatI. Preface
Today is Saturday again. I have nothing to worry about. I have to write an article. Today we will continue to look at reverse information. Today we will introduce the AndroidManifest file format in Android, some may be curious. What is the forma
FrG Image File Format (1): IntroductionAuthor: HouSisong@GMail.com 3.03.06.11
Are you always waiting to watch the loading progress bar for a game you like (or scene switching!As a programmer, do you have no way to do this:In BMP format, the format is simple to decode quickly (equivalent to memory copy), but it takes u
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