Article Network

Fast Array Operations with NumPy

by Gabriele Lanaro | December 2013 | Open Source

NumPy is the de facto standard for scientific computing in Python. It extends Python with a flexible multidimensional array that allows fast mathematical calculations.

NumPy works as a framework that allows coding complex operations using a concise syntax. The multidimensional array (numpy.ndarray) is internally based on C arrays: in this way the developer can easily interface NumPy with existing C and FORTRAN code. NumPy constitutes a bridge between Python and the legacy code written using those languages.

In this article, by Gabriele Lanaro, author of Python High Performance Programming, we will learn how to create and access NumPy arrays.

In the last few years a number of packages were developed to further increase the speed of NumPy. We will explore one of these packages, numexpr, that optimizes array expressions and takes advantage of multi-core architectures.

Read Fast Array Operations with NumPy in full

FAQs on YUI

by Dan Wellman Daniel Barreiro | February 2011 | AJAX Open Source Web Development

The Yahoo! User Interface (YUI) Library is a free collection of utilities and controls, written primarily in JavaScript, which has been produced by the expert developers at Yahoo! to make your life easier as a web developer or frontend user interface designer. It consists of a series of JavaScript and CSS components that can be used to quickly and easily build the rich and highly interactive applications that today's web consumer expects and demands.

In this article, we will take a look at some of the most frequently asked questions on YUI, such as:

  • Does Yahoo! use the YUI Library?
  • Can I manage cookies with the YUI Library?
  • Can formatted documents be edited in YUI?
Read FAQs on YUI in full

FAQs on WordPress 3

by April Hodge Silver | February 2011 | Open Source WordPress

These days, everyone has a good reason to have a website. It's not just large companies anymore. Individuals, families, and small or independent businesses all need to have one. Some individuals and small businesses don't have the financial resources to hire a website development company or a freelance web developer to create a website for them. This is where WordPress comes in very handy. WordPress is an open source web software application that you can use to create and maintain an online website, even if you have a minimum of technical expertise.

Since it is a web application, WordPress does not need to be installed on your home computer. It can live on the server (a kind of computer) that belongs to your website hosting company. It is also free, easy to use, and packed with excellent features. Originally, WordPress was an application meant to run a blog website, but it has now evolved into a fully-featured Content Management System (CMS). In this article we will cover some of the most frequently asked questions on WordPress 3.

Read FAQs on WordPress 3 in full

FAQs on Microsoft SQL Server 2008 High Availability

by Hemantgiri S. Goswami | January 2011 | Enterprise Articles Microsoft

The term High Availability means that the servers or systems that host or run the business-critical applications should be highly available - 24 X 7 and 99.99% up time. As the word itself defines how important it is to make these applications and data available for end-users as well as business users, if this data is not available for a short time, it will be a big problem for both sets of users. Imagine a bank spread across the country and having a huge customer base faces a situation when, their server crashes! If the bank relies only on backups, then it might end up losing approximately 15 to 30 minutes of data, depending on the backup strategy. Now the HA options related to SQL Server such as Clustering, Replication, Log Shipping, and Database Mirroring will help overcome this situation.

In this article, we will find answers to the frequently asked questions on Microsoft SQL Server 2008 High Availability.

Read FAQs on Microsoft SQL Server 2008 High Availability in full

FAQs on Mahara 1.2 ePortfolios

by Derrin Michael Kent Glenys Gillian Bradbury Margaret Anne Kent Richard William Hand | January 2011 | Beginner's Guides Open Source

Mahara is a user-centric environment with a permission framework that enables different views of an ePortfolio to be easily managed. These views help you display your artefacts in a way you choose and to the people you want. You can also create online communities and social networks through groups, blogs, and forums.

In this article, we find answers to the frequently asked questions on Mahara 1.2 ePortfolios.

Read FAQs on Mahara 1.2 ePortfolios in full

FAQs on IBM Lotus Notes 8.5

by Karen Hooper | November 2010 | Enterprise Articles IBM

Lotus Notes is quite a number of "things" including e-mail, calendar, To Dos (tasks), chat, RSS Feeder, an applications platform, and more. To be able to master all these aspects is made simple with this exciting user guide. Many of us will use Lotus Notes for a majority of our working day, being able to use it more efficiently is a gain in our hectic work life. Many of us want to use tools and features to save time, but often we are unsure of how to master those tools and features.

In this article, we find answers to the frequently asked questions on IBM Lotus Notes version 8.5

Read FAQs on IBM Lotus Notes 8.5 in full

FAQs on BackTrack 4

by | May 2011 | Web Services Open Source

BackTrack is a penetration testing and security auditing platform with advanced tools to identify, detect, and exploit any vulnerabilities uncovered in the target network environment. Applying appropriate testing methodology with defined business objectives and a scheduled test plan will result in robust penetration testing of your network. This article addresses some of the frequently asked questions on BackTrack.

Read FAQs on BackTrack 4 in full

FAQ on Web Services and Apache Axis2

by | February 2011 | Web Services Open Source

This FAQ deals with ways of enabling the SOA functionally in your organization. We discuss three key approaches—existing messaging system, plain old XML, and web services. We then look at the standard bodies of web service and the web service model. Finally, we discuss Apache Axis2 and how to download and use it.

Read FAQ on Web Services and Apache Axis2 in full

FAQ on Virtualization and Microsoft App-V

by | January 2011 | Microsoft

In this article we will cover some of the important facts relating to virtualization and dwell into the Microsoft Application Virtualization (App-V). We will acquaint ourselves with the following:

  • The basics of virtualization
  • The importance of virtualization in the market today
  • Exactly what application virtualization is and the benefits it includes
  • Microsoft Application Virtualization (App-V)
Read FAQ on Virtualization and Microsoft App-V in full

FAQ on Installing and Using the IBM Lotus Sametime 8 Mobile Client

by Marie L. Scott Thomas Duff | November 2010 | Enterprise Articles IBM

Many of us have at least one mobile device. Because we frequently work away from our desks and use our mobile devices as portable offices, Sametime Instant Messaging is designed to go with you. With the Sametime Mobile client your mobile device becomes an extension of your Sametime contact list and allows you to stay in touch with your contacts wherever you are!

In this article, the author addresses the most frequently asked questions about:

  • Supported devices for Sametime Mobile
  • Packaging the Sametime Mobile client for download
  • Begin downloading the Sametime Mobile client
  • Use the Sametime Mobile client
  • Initiate a chat with Sametime Mobile
  • Adjust your Sametime Mobile client preferences
  • Manage your Sametime contacts with Sametime Mobile
  • Secure your Sametime Mobile client
Read FAQ on Installing and Using the IBM Lotus Sametime 8 Mobile Client in full

FAQ on Celtx

by | March 2011 | Beginner's Guides Open Source

Celtx is powerful software yet simple to use. It can be used in writing the various types of scripts already mentioned, including everything independent film makers and media creators of all types need. In this article on Celtx FAQs we will examine the features that makes Celkx which makes it. Cloud computing (using remote servers to do part of the work) allows Celtx to have much more sophisticated features, in formatting and collaboration especially, than is normally found in a relatively small free piece of software. It's rather awesome actually.

Read FAQ on Celtx in full

Faceting in Solr 1.4 Enterprise Search Server

by David Smiley | August 2009 | Open Source

In this article by David Smiley, we will learn about faceting in Solr in detail. We will cover the field requirements, types of faceting, faceting text and alphabetic range bucketing. We will also learn about faceting on arbitrary queries, excluding filters and faceting dates which includes date facet parameters.

Read Faceting in Solr 1.4 Enterprise Search Server in full

Facelets Templating in JSF 2.0

by David R. Heffelfinger | June 2011 | Java Open Source

JSF 2.0 greatly simplifies web application development. JPA 2.0 features a new criteria API and several other enhancements. EJB session beans have been enhanced to support asynchronous method calls as well as a few other enhancements.

In this article by David R. Heffelfinger, author of Java EE 6 Development with NetBeans 7, we will cover:

  • How to easily generate JSF 2.0 templates via NetBeans wizards
  • How to easily create JSF 2.0 composite components with NetBeans
Read Facelets Templating in JSF 2.0 in full

Facebook: Accessing Graph API

by Michael James Williams | January 2011 | Beginner's Guides

Facebook has a huge store of information, on people, companies, events, photo albums, and more. It also knows how all of these are linked: which person owns each album; which people appear in each photo; which company is organizing each event.

For four years, this was accessed using a huge, sprawling API, which got more complex as new abilities were bolted on to it. In April 2010, Facebook launched the Graph API, greatly simplifying how developers can retrieve all of this data.

In this article by Michael James Williams, author of Facebook Graph API Development with Flash Beginner's Guide, we shall:

  • Explore the Facebook Graph
  • Learn what the Graph API is, and how it structures all the data on Facebook
  • Access public Graph data using AS3 and the Graph API
Read Facebook: Accessing Graph API in full

Facebook Application Development with Ruby on Rails

by Chang Sau Sheong | May 2008 | Open Source

In this article by Chang Sau Sheong, we learn how to create a Job Board Mashup Application using Ruby on Rails and Facebook. This application allows the user to perform some functions and features of a job board. Through this article, we will be able to acquire candidates through Facebook and search for jobs.

Read Facebook Application Development with Ruby on Rails in full

Extracting data using DOM (Must know)

by Pete Houston | September 2013 | Open Source

This article created by Pete Houston the author of Instant jsoup How-to, teaches you how to extract data using DOM from an HTML page.

Read Extracting data using DOM (Must know) in full

ExtGWT Rich Internet Application: Crafting UI Real Estate

by Oded Nissan Odili Charles Opute | September 2012 | Cookbooks Java Open Source

Sencha Ext GWT takes GWT to the next level, giving you high-performance widgets, feature-rich templates and layouts, advanced charting, data loaders and stores, accessibility, and much more.

In this article by Odili Charles Opute , Oded Nissan, authors of the book ExtGWT Rich Internet Application Cookbook, we will cover the following topics:

  • Organizing navigation with AccordionLayout
  • Snapping components even when resized
  • UI cardinality with BorderLayout
  • Building a basic wizard with CardLayout
  • RowLayout vertical and horizontal aligning
  • Building grids with ColumnLayout
  • Building DashBoards
Read ExtGWT Rich Internet Application: Crafting UI Real Estate in full

External Tools and the Puppet Ecosystem

by John Arundel | September 2013 | Cookbooks Networking & Telephony Open Source

This article by John Arundel, the author of Puppet 3 Cookbook, discusses about the concept of facts in Puppet 3. It explains about the various operations that we can perform using facts. Besides facts, it also sheds light on the Hiera technology. It explains how to import configuration data with Hiera and also about storing secret data using hiera-gpg.

By all means leave the road when you wish. That is precisely the use of a road: to reach individually chosen points of departure.

Robert Bringhurst, 'The Elements of Typographic Style'

In this article we will cover:

  • Creating custom facts
  • Adding external facts
  • Setting facts as environment variables
  • Importing configuration data with Hiera
  • Storing secret data with hiera-gpg
Read External Tools and the Puppet Ecosystem in full

External Tables in Oracle 10g/11g Database: Part 2

by Hector R. Madrid | June 2009 | Oracle

In the previous part of the article by Hector R. Madrid, we learnt the basics of an External Table. It dealt with a brief description, procedure to create, and the compatibility of External Tables. In this part, we will discuss about the data transformation with External Tables. Finally, we will see the enhancements Oracle 11g has brought about in External Tables.

Read External Tables in Oracle 10g/11g Database: Part 2 in full
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