Data Structure Tutorial

PyGraphviz is a Python interface to the Graphviz graph layout and visualization package. With PyGraphviz you can create, edit, read, write, and draw graphs using Python to access the Graphviz graph data structure and layout algorithms. PyGraphviz is independent from NetworkX but provides a... Platforms: *nix

MivRHash (Million-value Remote Hash) is a remote hash table data structure which provides the compatible interface with the Python dict's interface. It stores hash table data in remote server. Therefore, it is useful when your application uses so many big hash tables (dict objects) that memory in... Platforms: *nix

Data::PropertyList is a Perl module that can convert arbitrary objects to/from strings. SYNOPSIS use Data::PropertyList qw(astext fromtext); $hash_ref = { items => [ 7 .. 11 ], key => value }; $string = astext($hash_ref); # ... $hash_ref = fromtext($string); print $hash_ref->{items}[0];... Platforms: *nix

Data::Walker is a tool for navigating through Perl data structures. SYNOPSIS Without any explicit objects: use Data::Walker; Data::Walker->cli( $data_structure ); Object-style invocation: use Data::Walker; my $w = new Data::Walker; $w->walk( $data_structure ); $w->ls("-al");... Platforms: *nix

Data::Serializer package contains modules that serialize data structures. SYNOPSIS use Data::Serializer; $obj = Data::Serializer->new(); $obj = Data::Serializer->new( serializer => Storable, digester => MD5, cipher => DES, secret => my secret, compress => 1, ); $serialized =... Platforms: *nix

Data::SecsPack is a Perl module pack and unpack numbers in accordance with SEMI E5-94. SYNOPSIS ##### # Subroutine interface # use Data::SecsPack qw(bytes2int config float2binary ifloat2binary int2bytes pack_float pack_int pack_num str2float str2int unpack_float unpack_int unpack_num);... Platforms: *nix

A program to find frequent item sets (also closed and maximal) with the relim algorithm (recursive elimination), which is inspired by the FP-growth algorithm, but does its work without prefix trees or any other complicated data structures. The main strength of this algorithm is not its speed... Platforms: Windows

This function writes data in a structured way so that it can be viewed in a html-browser. It can also be imported by word, excel and other programs so that it can be used easily elsewhere.To use it :print2html(s,nrecurs,f)s data (structure, cells, other MATLAB data)nrecurs : recursive display of... Platforms: Matlab

Alzabo::BackCompat is a Perl module that can convert old data structures. This module is used to magically convert schemas with an older data structure to the latest format. Alzabo is a two-fold program. Its first function is as a data modelling tool. Through either a schema creation... Platforms: *nix

XML::Filter::Dispatcher::AsStructHandler Perl module can help you convert SAX stream in to simple, data-oriented structure. SYNOPSIS ## Ordinarily used via the XML::Filter::Dispatchers as_data_struct() ## built-in extension function for XPath This SAX2 handler builds a simple hash from... Platforms: *nix

Config::FreeForm is a Perl module that provides in-memory configuration data. SYNOPSIS use Config::FreeForm %options; Config::FreeForm provides in-memory configuration data in a free-form manner. Many existing configuration modules attempt to provide some structure to your configuration... Platforms: *nix

Config::Model provides a framework to help in validating the semantic content of configuration data. Config::Model can also be used to provide a semantic check of options of a complex program like mplayer or transcode. How does this work ? Using this project, a typical configuration... Platforms: *nix

MLDBM is a Perl module to store multi-level hash structure in single level tied hash. SYNOPSIS use MLDBM; # this gets the default, SDBM #use MLDBM qw(DB_File FreezeThaw); # use FreezeThaw for serializing #use MLDBM qw(DB_File Storable); # use Storable for serializing $dbm = tie %o, MLDBM... Platforms: *nix

The c prototyping tools library consists of implementations for several widely used data structures and patterns as well as rudimentary tcp / httpd functionality. Object oriented development environments usually feature readymade implementations of such tools. cprops provides standard generic... Platforms: *nix

DBD::RAM is a DBI driver for files and data structures. SYNOPSIS use DBI; my $dbh = DBI->connect(DBI:RAM:,usr,pwd,{RaiseError=>1}); $dbh->func({ table_name => my_phrases, col_names => id,phrase, data_type => PIPE, data_source => [ ], }, import ); print $dbh->selectcol_arrayref(qq[... Platforms: *nix

XML::Generator::PerlData is a Perl extension for generating SAX2 events from nested Perl data structures. SYNOPSIS use XML::Generator::PerlData; use SomeSAX2HandlerOrFilter; ## Simple style ## # get a deeply nested Perl data structure... my $hash_ref =... Platforms: *nix

Diggernaut is a cloud based service for web scraping, data extraction and other ETL (Extract, Transform, Load) tasks. If you are a reseller of goods and your supplier does not let you have their data in a suitable format, such as excel or csv, you will have to manually retrieve data from their... Platforms: Windows, Windows 8, Windows 7, Windows Server

Declare::Constraints::Simple is a Perl module for Declarative Validation of Data Structures. SYNOPSIS use Declare::Constraints::Simple-All; my $profile = IsHashRef( -keys => HasLength, -values => IsArrayRef( IsObject )); my $result1 = $profile->(undef); print $result1->message, "n"; #... Platforms: *nix

Portable es-Builder is a customizable and friendly information manager for private personal use. Portable es-Builder application was designed to allow users to build information structure to fit their needs. Or just build a common structure such as Contacts, Appointments, Tasks, Notes, Daily... Platforms: Windows

Sglib is a library defining useful macros for manipulating common data structures. The library currently provides generic implementation for: - sorting arrays - manipulating linked lists - manipulating sorted linked lists - manipulating double linked lists - manipulating red-black trees -... Platforms: Windows, Mac, *nix, C/C++, BSD Solaris