image file header

PHP automatically adds a bom header when downloading files, explains the BOM header, and removes the bom header ,. How to automatically add a bom header and explain the BOM header and remove the bom header when downloading a PHP file? First, you

1. Background A good programming specification and style is a sign of a program ape maturity. Standard coding can reduce code redundancy, reduce error probability, facilitate code management and code communication, etc., in fact, its role is much

Improve the compilation speed of c ++ builder by pre-compiling header files C++ Builder is one of the fastest C ++ compilers. It can be said that it is also the fastest win32C ++ compiler. In addition to the speed, the performance of C ++ builder

Section 1 Image File Format To use computers to process digital images, we must first have a clear understanding of the file formats of images, because we have mentioned that natural images exist in the form of analog signals, before using a

The image format is used to store images on a computer. Common storage formats include BMP, JPG, Tiff, GIF, PCX, TGA, EXIF, fpx, SVG, PSD, CDR, PCD, DXF, UFO, EPS, AI, raw, etc. BMP Image File Format BMP is an image file format unrelated to hardware

In a UTF-8 encoded file, BOM occupies three bytes in the file header to indicate that the file belongs to UTF-8 encoding. Currently, many software programs have recognized the bom header, but some cannot recognize the bom header, for example, PHP

The HTTP header field includes class 4:     general-header; Generic headers      request-header; Request Header      Response-header; Response Header      Entity-header. Entity Header  *****************************************************************

The HTTP header field includes class 4:     general-header;     request-header;      Response-header;     Entity-header.  ********************************************  general Header fields=============================   General Headers are

Php image function example (not original ). The following is a method: if (! Function_exists (imagecreate) {die (this server does not support the GD module);} if not, how can I configure it? Download the dll file of the gd module and modify the

First, the basic articleHTTP (hypertexttransferprotocol) is the abbreviation of Hypertext Transfer Protocol, it is used to transmit data of WWW mode, please refer to RFC2616 for details of HTTP protocol. The HTTP protocol uses a request/response