Blog Archives

Excel: Using Regional Settings to Localize Date with Time Formats

Excel date and time formats will automatically localize based on the user’s system setting – if the format is set to a specifier denoted by an asterisk in the cell format dialog. To format a date with time, we’d typically

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Posted in MS Office Tricks

Linear Algebra Done Right 2nd Edition – Chapter 1 Exercise 9

Chapter 1 Exercise 9. Prove that the union of two subspaces of V is a subspace of V if and only if one of the subspaces is contained in the other. Therefore, by 1 and 2, the union of two

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Posted in Linear Algebra Done Right, Mathematics

Linear Algebra Done Right 2nd Edition – Chapter 1 Exercise 8

Chapter 1 Exercise 8.Prove the intersection of any collection of subspaces of V is a subspace of V . Proof: Let be subspaces of . Then . Thus, (1) Therefore, . Suppose . Then . Since is a subspace, .

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Posted in Linear Algebra Done Right, Mathematics

jQuery Mobile Custom Select Filterable Widget

In a previous post, I demoed my extension to jQuery UI’s Autocomplete widget. Now, you can try out the jQuery Mobile version – jQMSelectFilterPro – on my development site and download the code from GitHub.

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Posted in JavaScript and jQuery

Linear Algebra Done Right 2nd Edition – Chapter 1 Exercises 5(b), 5(c), 5(d), 6, 7

Chapter 1 5.(b)Determine if is a subspace of . Solution: Since . Thus is not a subspace of . 5.(c)Determine if is a subspace of . Solution: Since at least one of . Consider and . Both are in but

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Posted in Linear Algebra Done Right, Mathematics

jQuery UI Autocomplete Widget Extension

Many of my personal and professional projects use the jQuery UI Autocomplete widget. Customers love being able to type a search term and have their choices limited to only those items in which they’re interested. The base widget, however, doesn’t

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Posted in JavaScript and jQuery

The Basics on Using Oracle Data Provider for .NET

Recently I had to convert a classic ASP application that had an Oracle back-end to .NET 4.5. Since the types in System.Data.OracleClient were deprecated in .Net 4.0, Microsoft recommends that you use a third-party Oracle provider. I downloaded the latest

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Posted in Oracle

RESTful Web Services for Resource-Oriented Architectures (ROA) – Part 4 – Statelessness

The second constraint Dr. Fielding places on RESTful architectures is that of Statelessness. In a RESTful web service, “communication must be stateless in nature … such that each request from client to server must contain all of the information necessary

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Posted in REST, Web Services

Vance & Hines Big Shots Long Baffle Replacement

Now that I have a sidecar on my big V-Twin, I have to do most maintenance and repairs myself. The latest job was replacing the standard Vance & Hines Big Shots Long baffles with V&H Quiet Baffles© P/N 21869. Standard

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Posted in Motorcycles

SharePoint 2010 – Exposing SQL Data Using BCS, External Content Types and External Lists

SarePoint developers are frequently asked to expose SQL data as a SharePoint list, but doing so in MOSS 2007 was a difficult chore. Using the old Business Data Catalog (BDC) required the tedious creation of XML files and cumbersome work

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Posted in SharePoint
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