Address: http://lxflfr.blog.163.com/blog/static/129119579200983004539908/
Zlib is a common compression library that provides a set of In-memory compression and decompression functions, and can detect the integrity of extracted data (integrity ).
Function prototype:
Int uncompress (bytef * DEST, ulogfn * destlen, const bytef * Source, ulong sourcelen );
Function Description: uncompress
Function will
Source
Extract the buffer content
Dest
Buffer zone. Sourcelen
Yes
Source
The buffer
Zlib (http://zlib.net/) provides a simple and efficient in-memory data compression and decompression series of API functions, many applications will use this library, among them, compress and uncompress functions are the most basic and commonly used.
Uncompress the about: blank in the IE Address Bar
[Abstract]
When you open a new ie window, the URL of IE is always about: blank. We know that the left side of ':' (colon) in the URL is the protocol, such as ftp: or http :. About is also a protocol.
Implementation of the Java decompression technology GZIP ZIP BZIP2There's nothing to say. File IO operationsPackage Com.ljh.gzip;import Java.io.bytearrayinputstream;import Java.io.bytearrayoutputstream;import java.io.File; Import
Implementation of the Java decompression technology GZIP ZIP BZIP2Unlike Gzip ZIP, BZIP2 is not implemented in Java, BZIP2 implementations are provided by Apache Commons-compress.jar.About Commons Compress please visit:
LinuxCommon compression and decompression commands are shown in Table 2-5.
Table 2-5 common Linux compression and decompression commands
Common commands
Brief Chinese description
Program directory
Gzip
You can use the-d
Java provides read and write data streams in a compressed format. They are encapsulated into out-of-the-box IO classes to provide compression capabilities. Let's start with the use of compressed files in Java.Directory Navigation:
A brief
Zip is a bit old, but all systems support (.zip ).
Format
Parameter of the file name to be compressed After Zip Compression
Parameters
-1 compression ratio, optional from 1 to 9, 9 is the maximum compression rate.
-C adds comments.
-D decompress a
The most common packaging in LinuxProgramThe package we use the tarprogram is often called a tarpackage, and the command of the tarpackage file is always ended with .tar. After the tar package is generated, you can use other programsLine compression,
By performing this lab, students would learn how to work with archive files.In this lab, you'll perform the following tasks:
Create archive files using tar with and without compression
Compress and uncompress files into a gzip archive
This article describes the programs that are compressed under Linux, such as tar, gzip, gunzip, bzip2, bunzip2, compress, uncompress, zip, unzip, RAR, Unrar, and how to use them for. Tar,. GZ,. tar.gz,. tgz,. bz2,. tar.bz2,. Z. Tar. Z,. zip,. rar 10
Linux ubuntu12.04 decompress the Chinese zip file, decompress it, and garbled code to solve my computer environment: linux ubuntu12.04 has tried many methods, but the following one is OK on my computer. 1.zip file unzipping file name garbled: first
The first is to install cmake, the installation process see my series of posts: http://bbs.witech.com.cn/viewthread.php? Tid = 14486 & pid = 95708 & page = 2 & extra = # pid95708
After that, my questions will be summarized into my blog. The
Common CentOS commands
Because the learning needs will often be used and forgotten, we hereby back up:
1. About compression and decompression:
At the end of lifecycle. After the tar package is generated, you can use other programsLine compression,
Command for viewing IP addresses in Linux: ifconfig.
How to compress and decompress files in Linux
Create an archive with tar
Tar is short for "tape archive" (tape archive), which appeared in early stages of a computer that does not have a floppy
At the end of lifecycle. After the tar package is generated, you can use other programsLine compression, so first let's talk about the basic usage of the tar command:There are many options for the tar command (which can be viewed using man TAR), but
For those who are new to Linux, they will surely get dizzy with a bunch of various file names in Linux. OtherFor example, we know that there are only two common types of compressed files in windows.. Zip, and the other is. rar. It can be the same as
VxWorks startup code romstart () function analysis
Daniellee_ustb
QQ: 382899443
I haven't learned VxWorks for several days, so I really feel a bit regretful. Every time you stop your dream runway for various reasons, the road to work is full of
Http://hi.baidu.com/ggwork/blog/item/d52c48245e823923d40742b9.html
For those who are new to Linux, they will surely get dizzy with a bunch of various file names in Linux. OtherFor example, we know that there are only two common types of
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