Latest Articles

Form Handling

by Leon Revill | February 2014 | Open Source Web Development

In this article written by Leon Revill, the author of the book jQuery 2.0 Development Cookbook, we will look at how to create robust and attractive web forms with animation, validation, and user feedback. We will cover:

  • Implementing basic form validation
  • Adding number validation
  • Adding credit card number validation
  • Adding date validation
  • Adding e-mail address validation
  • Implementing live form validation
  • Adding a password strength indicator
  • Adding anti-spam measures
  • Implementing input character restrictions
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Understanding Process Variation with Control Charts

by Isaac Newton | February 2014 | Cookbooks Enterprise Articles

This article, by Isaac Newton, author of Minitab Cookbook, will help you understand the different process variations that can be done in control charts using Minitab. Control charts are very simple graphical tools which show us if measurements/results are stable over time. They look at the mean and variation of the data and check to see whether the observed data shows any patterns that would not be expected to occur if the data was purely random. This special cause variation is indicated by tests that look for these patterns. They are based on there being a low probability of these patterns occurring randomly. Minitab provides a wide range of control charts for different scenarios. These include the standard control charts for monitoring a process over time such as Xbar-R or I-MR charts as well as multivariate control charts and charts to plot rare events. Now, we will look at using some of the more traditional charts, but also show the use of some of the newer charts in Minitab.

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Publishing the generated code diff to Review Board

by Sandeep Rawat | February 2014 | Open Source

This article, written by Sandeep Rawat, the author of Getting started with Review Board, highlights posting of code review requests by publishing a code review request through the web application of Review Board.

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Understanding the Python regex engine

by Félix López Víctor Romero | February 2014 | Open Source

In this article by Félix López and Víctor Romero, the author of Mastering Python Regular Expressions, we are going to learn about backtracking using Python. The Python’s Re module uses a backtracking regular expression engine. Although in the very well known book “Mastering regular expressions” by Jeffrey E.F. Friedl is classified as Nondeterministic finite automata (NFA) type, according to Tim Peters https://mail.python.org/pipermail/tutor/2006-January/044335.html is not NFA purely.

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Query Performance Tuning

by Alberto Ferrari Chris Webb Marco Russo | February 2014 | Enterprise Articles

In this article by Chris Webb, Alberto Ferrari, and Marco Russo, authors of Expert Cube Development with SSAS Multidimensional Models, we will learn about the steps that you'll need to go through in order to ensure your cube is as responsive as possible.

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