HEX file format learning notes
In order to write a program that can perform ISP according to your own requirements, I learned about the Hex file format. Write the study notes to consolidate the learning content.
The Hex file is in the unit of action.
Address: http://www.cnblogs.com/zhangjiankun/archive/2011/12/08/2280097.html
I. Elf
Executable and linking format (ELF) files are commonly used object file formats in x86linux systems. There are three main types:
(1) a relocatable file suitable
Talking about computer and network common carry System: Binary (binary), decimal and hex (hexadecimal)Binary, decimal, and hexadecimal, these binary decimal digits we are most familiar with the following 10 numbers that are first approached from pre-
#include
#include
/////////////////////////////////////////////////////
//
function: Binary Reverse
//
Input: const unsigned char *src binary data
int length to be converted binary data
//
Output: unsigned char *dst binary data after inversion
//
0. Description9 months did not write Python, this 9 months in the Huawei ICT knowledge of the sea, the previous time just passed the Hcie certification, think of still like Python and Linux more, so back, there will be more and more python dry share
In the development process of Python, it is unavoidable to encounter type conversion, here is a common type conversion demo:
type
Description
int (x [, Base])
Convert x to an integer
Long
One, applicable scenario: cannot use the self growth number which returns from the database, the upload picture renames.
This is the picture or file upload process decision.The general image upload process is, first upload pictures to the server,
First, the application scenario:Unable to rename the uploaded image using the self-growth numbers returned from the database.
This is determined by the process of picture or file upload.
General image upload process is to upload images to the server,
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