Larry Steinle

October 25, 2013

jQuery Support for IE 10 XMLHttpRequest

Filed under: VS.Net,Web — Larry Steinle @ 12:47 pm
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In my previous article, Undefined XMLHttpRequest.responseXML.xml, I explained that IE 10 no longer returns an XML Document object for xml responses but instead returns a DOM Document. Today’s post is a continuation demonstrating how to get an XML Document from a web service using jQuery.


October 19, 2013

Create a Persistent Data Structure

Occasionally I encounter a business need to track all changes allowing a user to view the data as it currently is stored or as it was stored. Having the ability to view the structure of a system from a previous point of reference is called a historical database or a persistent data structure. In this article we will review various strategies to create a persistent data structure. In the next article I will demonstrate how to create a persistent data structure.

October 14, 2013

Undefined XMLHttpRequest.responseXML.xml

Filed under: VS.Net,Web — Larry Steinle @ 6:14 pm
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Today I encountered an interesting AJAX problem. I had code that worked perfectly in IE 7, 8 and 9, but not IE 10! So this post is for the die-hard JavaScript programmers out there who are scratching their heads wondering why their AJAX calls stopped working.

October 9, 2013

JavaScript Hash Array (Dictionary)

Filed under: Web — Larry Steinle @ 10:15 pm
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A hash array (aka dictionary) stores a value in memory that is accessible using a key name. I like using hash arrays to store the key/value pairs found in an URL’s query string. JavaScript comes with a standard indexed array but lacks a hash array. Lucky for us creating a hash array is a very simple and useful exercise in JavaScript.

October 1, 2013

Save-and-Close Excel Spreadsheet When Not In Use

Filed under: Microsoft Office — Larry Steinle @ 9:30 pm
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For many business users Excel remains a very important tool for business use. Sometimes the Excel spreadsheet may need to be shared among many business users. As long as everyone plays nice taking care to close the worksheet when they are done it’s not a problem. But, as you know, in our busy work-schedules it is very easy to get distracted forgetting to close the worksheet. What is required is a way to automatically save-and-close an Excel Spreadsheet after a specified amount of time.

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