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Can zlib.crc32 or zlib.adler32 be safely used to mask primary keys in URLs?
by zz64 in Programming Languages

In Django Design Patterns, the author recommends using zlib.crc32 to mask primary keys in URLs. After some quick testing, I noticed that crc32 produces negative integers about half the time, which seems undesirable for use in a URL. zlib.adler32 does not appear to produce negatives, but is described as "weaker" than CRC.

Is this method (either CRC or Adler-32) safe for usage in a URL a

import zlib ImportError: No module named zlib
by RDongre in Web Design
# pythonbrew venv create django1.5
Creating `django1.5` environment into /usr/local/pythonbrew/venvs/Python-2.7.3
Traceback (most recent call last):
File "/usr/local/pythonbrew/etc/virtualenv/virtualenv.py", line 19, in <module>
import zlib
ImportError: No module named zlib

What should I do?? I want to import zlib.

And I aready

How can I compress data using Zlib, without directly using zlib.dylib?
by Alatar in Programming Languages

Is there a class that allows compressing data using Zlib, or is using zlib.dylib directly the only possibility I have?

PAK archives and zlib (zlib.dylib)
by Creig in Mobile Programming

I'm currently writing an iPhone app where I need to uncompress several files from .pak archive. I'm assuming libz.dylib will probably have the ability to do this but I'm having a hard time find any code on the subject.
Anyone got any example code or can point me in the right direction? Any help at all would be much appreciated.


How to set up zlib : ( localhost PHP --with-zlib[=DIR] ) using XAMPP
by Spasas in PHP

According to the PHP website here, zlib is not included by default. Im interested in learning to set up the server with minify, and it requires zlib. How do I (re)start or configure my local PHP server with the command PHP --with-zlib[=DIR] per the PHP website instructions, but in XAMPP. I've looked in the localhost/phpmyadmin page (whi

Can't load '/Compress/Raw/Zlib/Zlib.so'
by Timur Asaliev in Programming Languages

I am trying to run Variant effect predictor perl script (by ensembl) and I am getting this error:

Testing VEP script
ERROR: Testing VEP script failed with the following error
Can't load '/home/sahel/perl5/lib/perl5/x86_64-linux/auto/Compress/Raw/Zlib/Zlib.so' for module Compress::Raw::Zlib: /home/sahel/perl5/lib/perl5/x86_64-linux/auto/Compress/Raw/Zlib/Zlib.so: undefin

Error occurred installing server: Unexpected end of ZLIB input stream Unexpected end of ZLIB input stream
by Norway in Programming Languages

Trying to install Tomcat7 on Eclipse Juno (x86, Windows7 x64). On 52% throws such error

Error occurred installing server: Unexpected end of ZLIB input stream Unexpected end of ZLIB input stream

How can I solve it?

Thank you

Cabal and zlib on OS X
by Josh Tegart in Programming Languages

When I run "cabal update" on my Mac (Snow Leopard, Intel), I get:

% cabal update
Downloading the latest package list from hackage.haskell.org
cabal: Codec.Compression.Zlib: incompatible zlib version

Anyone else seeing this? Reinstalling the Haskell Platform hasn't helped. I'm unable to install or update Cabal packages at the moment, so I'd appreciate any help

TAGS : Cabal zlib

Can't rvm pkg install zlib
by cjdavis in Programming Languages

After I do

rvm uninstall 1.9.3
rvm pkg install zlib
rvm install 1.9.3 --with-zlib-dir=$rvm_path/usr

there is still no zlib. Any gem install or gem update command fails with error:

$ gem update --system
ERROR: Loading command: update (LoadError)
cannot load such file -- zlib
ERROR: While executing gem ... (NameErro
TAGS : install zlib

How do I use Minizip (on Zlib)?
by André Rocheleau in Programming Languages

I'm trying to archive files for a cross-platform application, and it looks like Minizip (built on zlib) is about as portable as archivers come.

When I try to run the following dummy code, however, I get a system error [my executable] has stopped working. Windows can check online for a solution to the problem.

Can anyone help me see how to use this library? &

TAGS : Minizip Zlib

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