compression

Is there a public implemention of LZSS compression in C# or that can be used in C#?

I'm looking for LZSS for decoding some packets from a game engine. If anyone could point me to a library I would be extremely happy. Thanks! ...

Files Compression Techniques in PHP

Hello Friends, We are making one web site on which site users, can upload the data. Data will be in any format. means it can any media file or any image file or any video file or any document file. Any compression technique for any data. We are using PHP. Anything you suggestion by which whatever the data gone on server, it should be i...

Fractal based Image compression algorithm (and source code)

I am looking for a decent fractal based compression algorithm for images. So far I only find dead links to the FIF image format and dead links pointing to Iterated Systems Inc which then became MediaBin which then became nothing from what I can see. ...

Why does my javascript file sometimes compressed while sometimes not?(IIS Gzip problem)

i enable gzip for javascript file in my iis settings, here 's the corresponding config section. <httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files"> <scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" staticCompressionLevel="10" dynamicCompressionLevel="8" /> <dynamicTypes> ...

Simple 2-color differential image compression

Is there an efficient, quick and simple example of doing differential b/w image compression? Or even better, some simple (but lossless - jagged 1bpp images don't look very convincing when compressed using lossy compression) streaming technique which could accept a number of frames as input? I have a simple b/w image (320x200) stream, di...

GUNZIP / Extract file "portion by portion"

Hi. I'm on a shared server with restricted disk space and i've got a gz file that super expands into a HUGE file, more than what i've got. How can I extract it "portion" by "portion (lets say 10 MB at a time), and process each portion, without extracting the whole thing even temporarily! No, this is just ONE super huge compressed file, ...

Loading specific section of a compressed file stream.

Hi, We have a simple binary file format for caching data in our application (C# .NET Windows App). The format is basically a short that indicates the object type followed by a guid (string) for the object id then any object specific data (strings ints whatever). We want to be able to store many objects in the same file (> 10000) but i...

how to compress more jquery file?

is there any way to compress more jquery base file? what i have is about 56K and i need a more light file because of dial-up speed(56k). ...

How can I make this run on all my files automatically? YUI Compressor for Visual Studios

Edit 4 (Edit 1 to 3 removed as they where solved) My last problem is that I would like multiple targets but it does not seem to work. I have to stick them all into the same target what kinda sucks since it would nice to different names so I got to change something I can just look at the target name. Hi I am trying to get my MsBuild a...

Sql compression and backing up in sql server 2005

Hi there I want to backup my database with compression. This is my code : BACKUP DATABASE dbbbb TO DISK = N'C:\\dbbb.bak' WITH COMPRESSION this running correctly in Sql Server 2008. But my server has Sql Server 2005 and COMPRESSION is not a recognized BACKUP option in 2005. How can i compress my backup in 2005 Thank you for your he...

Choosing sound codec for network (c/c++)

Hi, I'am imnplementing real-time sound (voice) recording and transferring to another point in my application. I would ask who knows good codec or compression algorithm to transfer low-quality (max 32 kbit) sound data through the network. I know skype uses good compression, what codec use it? *It should be free I found also this code...

Software to cd (change directories) into .jar/.ear files?

Is there any software/script that will allow me to cd (change directories) into .jar/.ear/.zip files and edit the contents of the files it contains? I'm working on a large EJB project (yuck), and I frequently find myself in situations like the following: something.ear/ |-- something.jar/ | `-- fileINeedToEdit.xml I work primarily v...

C# LZO Library and Experience

Anyone have experience with a C# LZO compression/decompression library? LZO.NET (at http://lzo-net.sourceforge.net/ ) looks pretty alpha QuickLZ (at http://www.quicklz.com/ ) isn't stream-based and I need to compress files as they're generated and don't want to buffer the whole file in memory MiniLZO (at http://www.codeproject.com/KB/r...

Take advantage of Flash CS4's PNG Compression, but as an external file?

Hi folks! Here's the issue: I'm developing some Flash web sites and really enjoying AS3. The problem: PNG 24-bit images are too big... I have three PNG images with transparency that I'd like to rotate through on the "Home page" every 10 seconds or so. Great. No problem - but instead of embedding all three PNGs in the SWF, which wo...

Intger encoding and decoding problem

I have a long list of integers, and i need to reduce this down to a single integer. The integer list can be anywhere from 0 to 300 ints long (about). I need to be able to encode/decode. Is there a better option than a lookup table? ...

How to tell if ob_gzhandler is working?

How can I check to see if ob_start("ob_gzhandler"); is working and test the difference with or without it? Thanks, ...

java: how to get a string representation of a compressed byte array ?

I want to put some compressed data into a remote repository. To put data on this repository I can only use a method that take the name of the resource and its content as a String. (like data.txt + "hello world"). The repository is moking a filesystem but is not, so I can not use File directly. I want to be able to do the following: c...

High level process of extracting images from a container

Right, this is the problem I have a container (rar,zip) which contains images png's tiffs bmps or jpegs in an order. The file extension isnt zip or rar though but uses the same compression. I want to pull out a list of images contained within the file in the numerical order, then depending on the user decision go to the image selected....

C# Primer or example on working with files on a granular level

Can someone provide an example or primer on working with files on a granular level with C#. Let's assume that I want to build a new program to compress and zip files. Can I write a program like this, with C#, that gets down to the bits & bytes level? ...

How does git save space and is fast at the same time?

I just saw the first git tutorial at http://blip.tv/play/Aeu2CAI How does git store all the versions of all the files and still be more economical in space than subversion which saves only the latest version of the code? I know this can be done using compression but that would be at the cost of speed, but this also says that git is muc...