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Lists and Hashes
the phone book are represented as a hash. ... In this chapter, we'll see how we build up lists and hashes and what we can do with them when we' ... In Perl, these values are scalars, rather than purely strings. ... Next, we initialize our variable.

Package 'hash' - R Project
Feb 20, 2015 ... Description This package implements a data structure similar to hashes in Perl and dictionaries in Python but with a purposefully R flavor.

Perl Quick Reference Card - Michael Goerz
This is version 2 of the perl reference card. (cl) 2008 ... Information taken liberally from the perl documentation and various other sources. ... hash initialization.

Perl Dereferencing Cheat-sheet Abrita Chakravarty # an array
entire array. @$arrayRef[0..2]; # slice of the array. # a hash. %hashVar = ("one"= >1,"two"=>2,"three"=>3);. # reference to a hash. $altHashRef = \%hashVar;.

Lecture 15 - Purdue Engineering - Purdue University
Mar 2, 2016 ... Compact Python and Perl implementations for SHA-1 using. BitVector ... In the context of message authentication, a hash function takes a variable sized input ...... block, we need to initialize the hash buffer with IV, the Initial-.

Modern Perl - Onyx Neon Press
Page 1. Modern Perl. 2014 edition chromatic. Page 2. Modern Perl. 2014 edition ... 2 Perl and Its Community. 9. TheCPAN . ..... AccessingHashKeysandValues .

Hash-flooding DoS reloaded: attacks and - Jean-Philippe Aumasson
Hash tables used in many applications to maintain an ... attack formalized and applied to Perl, Squid, etc. Klink, Wälde. ..... SipHash initialization. 256-bit state v0 ...

References and multidimensional data - Programming for Biology
Oct 13, 2016 ... or perhaps 3 hashes (with a common key of the gene name). %sequence, % organism, % ... Perl lets you work with multidimensional arrays and hashes very easily. You just string ..... my %seqs; # initialize hash while (my $line ...

Using Perl for Statistics - Journal of Statistical Software
Keywords: Perl, data processing, statistical computing, reproducibility. 1. ..... A hash variable is prefixed by the % symbol and can be initialized, similarly to arrays ...

Perl-5.10.0 manual
Dec 18, 2007 ... hashes. Setuid Perl scripts are safer than C programs through a ..... if variables are declared with my in the initialization section of the for, the.

Introduction to Perl and BioPerl - Institut Pasteur
Mar 22, 2007 ... Larry Wall's background in linguistics led to Perl borrowing ideas from .... Introduction to Perl and Bioperl. Hashes. Special Initialization.

Quick Guide To PERL -
This is a Quick reference Guide for PERL 5.8.6 programming. Perl definition is ... %var = (“red”=>x0000FF, assign values to 3 hash elements. “blue”=>xFF0000,.

Perl and Bioinformatics -
Sep 20, 2004 ... Mastering Perl for Bioinformatics covers the core Perl language and many of its ...... The hash is initialized when the module is.

SipHash: a fast short-input PRF - CiteSeerX
For example, SipHash processes a 16-byte input with a fresh key in 140 cycles on an .... Initialization: Four 64-bit words of internal state v0,v1,v2,v3 are initialized as v0 = k0 ⊕ ..... web cache, the Perl programming language, etc. Hash flooding ...

244-31: Think FAST! Use Memory Tables (Hashing) for Faster - SAS
For the purposes of this paper I will only be covering the hash object. ..... 2) variables smallvar1 through smallvar4 were initialized to missing since ..... least one frequent poster will always advocate PERL solutions, but you can just ignore him!

FIPS 180-2, Secure Hash Standard - NIST Computer Security
Aug 1, 2002 ... Name of Standard: Secure Hash Signature Standard (SHS) (FIPS PUB ...... setting initialization values to be used in the hash computation.

Lecture Notes on Hash Tables
Feb 27, 2014 ... tures for the implementation of associative arrays are hash tables. ... or Perl and perhaps account for some of the popularity of these languages. .... One can generate a random number generator (type rand_t) by initializing.

Towards a Memristive Hardware Secure Hash Function (MemHash)
MemHash comprises a memristive crossbar with a differential read mechanism and ..... bit of the message. To guarantee repeatability, the array is initialized to a known ... scheduler were simulated with the Perl script framework. The differential  ...

Nov 18, 2014 ... FIPS 180-1 - Secure Hash Standard SHA1-2.13/fip180-1.html. 1/24 ..... are initialized as follows: in.

Hash-AV - Applied Cryptography Group - Stanford University
Hash-AV can scan the data using its cache-resident bloom filter while the CPU .... byte by byte, and hashes the three-byte chunk to initialize a global shift table. ...... File/sdbm,. 1990.