algorithm

Blog Post

A quick tutorial on coding Android's accelerometer

September 16, 2011 11:55pm PDT

The accelerometer is a hardware sensor used to detect a shake motion. William Francis shares the accelerometer code that he uses in his Android apps.

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Blog Post

Understand how the BGP Best Path Selection Algorithm works on your router

January 8, 2009 11:00am PST

The Border Gateway Protocol allows us to surf the Web, receive e-mail, and even read this article. BGP creates the routes connecting us to whatever Internet data we desire within milliseconds....

3 Latest comment by rpedrosa1979

Blog Post

Sorting character strings using SQL Server

March 3, 2008 11:22am PST

If you ever need to sort character strings stored in SQL Server fields, check out this demonstration of how to write a common sorting algorithm using SQL Server TSQL code.

21 Latest comment by jaja_cherry

Blog Post

How do I... Set up a printer using the Common UNIX Printing System?

June 10, 2008 12:24pm PDT

Setting up a printer is one of those jobs made very easy by modern Linux administration tools. One of those tools is the Common UNIX Printing System. CUPS is an amazingly simple tool to use and...

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Blog Post

Use the Blowfish cipher to improve password security

December 9, 2007 3:46pm PST

In addition to its common use for generating hashes used to verify the integrity of a downloaded file, the MD5 algorithm is also used widely for password authentication systems. It became the...

Blog Post

Fuzzy hashing helps researchers spot morphing malware

April 4, 2011 7:08am PDT

Anti-malware applications are dependent on malicious software remaining the same, code-wise. So the bad guys just keep changing it. Michael Kassner looks at a possible defense: fuzzy hashing.

32 Latest comment by JCitizen

Blog Post

Use cryptographic hashes for validation

November 27, 2008 10:53am PST

You can use cryptographic hash functions to provide a little more security when exchanging files.

5 Latest comment by apotheon

Blog Post

Logical problem solving

December 12, 2006 1:28am PST

Google is gaining a reputation for asking interview questions of new job candidates that sound like IQ test questions.  These things are bizarre logic problems, some of which you might have...

21 Latest comment by Michael Jay

Articles

Consider algorithms other than Soundex

May 24, 2005 7:00am PDT

Soundex is a phonetic normalization function that gets around the problem of sorting information by last names with different spellings but similar or identical sounds. Find out how alternate...

7 Latest comment by magician@...

Blog Post

SecureZip: More than just data compression

June 23, 2009 4:24am PDT

SecureZip is a cut above other feature-rich compression utilities for one simple reason. PKware developers have figured out how to make digital signing and asymmetric encryption simple to use.

94 Latest comment by Michael Kassner

Articles

Modelling graphs with processes in Erlang

October 31, 2007 9:06am PDT

One of the advantages of Erlang's concurrency model is that creating and running new processes is much cheaper. This opens up opportunities to write algorithms in new ways. In this article, I'll...

Articles

Windows Script Host tutorial: Pseudocode algorithms and other programming basics

April 5, 2001 7:00am PDT

Want to script your own Windows solutions? In this Drill Down by Greg Schultz, you'll learn some programming techniques that will help you prepare to script in VBScript or JScript.

Articles

Protect sensitive data with hashing in .NET

July 25, 2005 7:00am PDT

The .NET Framework includes everything necessary to protect your sensitive data, with one of the more popular techniques being hashing. Hashing provides a simple method of scrambling data values...

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Blog Post

Working with the OutSystems Agile Platform's Integration Studio

June 1, 2010 7:24am PDT

Part four of this six-part developer diary focuses on the OutSystems Agile Platform's Integration Studio, which is the tool used to tie the platform into external code.

Blog Post

HashTab 3.0 updates: New hashes and Mac OS support

December 20, 2010 7:21am PST

Checking file hashes seems like a throwback technology, but it is critical in transferring large files to ensure data integrity. Rick Vanover fills you in on what's new in version 3.0 of the...

2 Latest comment by Alan Shortall

Blog Post

IBM wants to replace managers with algorithms for decision-making

April 17, 2009 3:07pm PDT

IBM recently talked about nudging out gut calls in everyday management for decisions based on hard, cold facts. But when you boil it all down, Big Blue is talking about providing a bag of...

15 Latest comment by PJ Ruder

Blog Post

Managers and technologists live in different worlds

January 15, 2009 1:22pm PST

There is a fundamental disconnect in the way the typical manager and the typical technologist each approach the world.

50 Latest comment by Sterling "chip" Camden

Blog Post

Interview coding tests should measure more

August 20, 2009 11:54am PDT

There's more to good programming than being able to hack together a solution that "works", even if it's efficient. Consider the security angle when testing your job applicants.

26 Latest comment by jmgarvin

Blog Post

802.11n equipment is morphing to meet new demands

January 23, 2008 4:15pm PST

Others have presented the idea that equipment based solely on 802.11n will not adequately support emerging applications. If the technology displayed at this year’s CES is any indication, Wi-Fi...

Blog Post

Startup combines CD-quality audio and wireless

October 24, 2007 9:30am PDT

When it comes to audio equipment I let my aficionado friends pick the appropriate components in the hope that I may someday be able to hear the subtle nuances they talk about. Maybe not though, as...