xlsx file format

Reference: http://blog.csdn.net/lixianlin/article/details/2738229 1. essence of cookie files Cookies are actually part of the content transmitted between the Web server and the client (typically a browser) during interaction. The content can be arbitrary, but it must be within the allowed length range. The client will save it on the local machine (for example, ie will save it in a local TXT file ),ProgramManage expired cookies. When a client acces

UMD files can be in two formats: Text Format and cartoon format. Considering the main requirement and text format, this article mainly explains them based on this format. The first is the file header. Most files rely on the file h

PNG file structure analysis (I: Understand the PNG file storage format) Preface We all know that during the development of the mobile phone application program for j2's, we can use images in PNG format (even on some mobile phones, we can only use images in PNG format), alth

How to open a DXF file? There are many ways to open a DXF file, because many software can open the DXF file now, but the most common is to open it using CAD. What is the file in the DXF format? AndDownload XP SystemLet's take a look at it together! What is the DXF

compressed. Generally, if the bitmap adopts the compression format, the 16-color image adopts the rle4 compression algorithm and the 256-color image adopts the rle8 compression algorithm.4. Color TableA color table is used to describe the color in a bitmap. It has several table items. Each table item is an rgbquad-type structure and defines a color. The rgbquad structure is defined as follows:Typedef struct tagrgbquad {bytergbblue; // The Blue bright

The H264 video stream and AAC audio stream have been synthesized by hand recently, but there is no open source FFmpeg API to handle audio and video streaming. The method is to imitate ffmpeg in the libavformat/flvenc.c file write code to complete the audio and video of the FLV format encapsulation. In this package process, the FLV file

This article mainly introduces the storage format of PHP File Cache content, which is a very practical function in PHP program development. For more information, see This article mainly introduces the storage format of PHP File Cache content, which is a very practical function in PHP program development. For more infor

file, and, conversely, itunes will completely overwrite the file when the song is synchronized. Play Counts This is the ipod's return information file. It contains all the information available to change the songs in the ipod, and when you sync the songs, ITunes reads the information in the file an

This series of articles are all copied from msdn. Remember them first, and they will be translated step by step later. Waveformatex Structure This is preliminary documentation and subject to change. TheWaveformatexStructure defines the format of Waveform-audio data. only format information common to all Waveform-audio data formats is supported in this structure. for formats that require additional informat

Installation of the original system is very easy to encounter some trouble problems, such as WIN8 flagship system installation of ESD format file prompts "Windows source is invalid", the ESD file format compression rate is high, small size, we download the WIN8 system is such a for