Published

Recovering Data from a Failed Function Using assignin
13:03 Here, my code has errored-out and paused in a function. I want to recover the data because the...

2 years ago

Published

Updating a Static Method to Return the Latest File in a Folder
14:25 I want to update a static method in a class to return the latest file in a folder rather than a...

2 years ago

Published

Adding a Column to a Table in My Web App
32:31 Here I want to add a “Row Totals” column to a pivot table in the web app that I’m working on. I...

2 years ago

Published

Converting a Script to a Function Example
3:36 Here is an typical example of converting a script to a function. In this case, as well using the...

2 years ago

Published

Developing a Simple Mechanism to Log Metric Values
33:20 A few years time ago I developed a mechanism and MATLAB function to track values over time I was...

2 years ago

Published

Pause on Error with MATLAB App Designer
8:09 Here is a video I recorded not long after 22a was released, but I haven’t posted it yet. It shows...

2 years ago

Published

Using a parfor Loop to Store the HTML of Many Web Pages
28:17 Previously, I used a parfor loop to make a bunch of web requests. Here I want to use a parfor...

2 years ago

Published

Updating an App UI Control To Change The Item List
12:20 I need to update a drop-down UI control in my app so that the items in the list are no longer...

2 years ago

Published

Investigating a Failed Unit Test for My App
8:18 After I added a new UI control to my web app, in a live stream recently, I ran my full set of...

2 years ago

Published

Pausing and Manually Modifying The Data in a Long Running Script
7:30 Here I want to change the behavior of a long running script, by pausing it and manually changing...

2 years ago

Published

Debugging Example: Why is my data not being filtered correctly?
22:39 Some data in my MATLAB function is not being filtered out as it should be. I will need to...

2 years ago

Published

Adding a Cell Selection Callback to a Table in My MATLAB App
20:17 Here, I add a cell selection callback to a table in one of my MATLAB apps by copying this...

2 years ago

Published

Accessing Files Relative to a MATLAB Project’s Root Folder
10:52 While trying to troubleshoot another bug, which I couldn’t reproduce, I found something else I...

2 years ago

Published

Run/Continue to Here in the MATLAB Editor
3:23 The “Run/Continue to Here” button in the MATLAB Editor, lets you jump to a future spot in your...

2 years ago

Published

Adding New Features to a Web App: Livestream on YouTube Today
I’ll be doing my Blog live today on YouTube at 11am EDT. It will be a code-along as I normally do, mostly working with App...

2 years ago

Published

Modifying My App to Handle an Old Data Set Used in a Test Case
14:49 The unit tests for my web app have failed because I added a new variable to my data set. Rather...

2 years ago

Published

Adding Another Column to a Table in my Web App
17:14 Here I am going to try and add an additional column to a table in my web app. Its been more than...

3 years ago

Published

Refactoring Some of My Code into a Local Function
10:36 Here I try to move a chunk of code into a local function, so I can re-use it multiple times,...

3 years ago

Published

Renaming a Function in a MATLAB Project
8:12 Here I want to rename one of my functions. Traditionally, this would involve manually updating...

3 years ago

Published

Upgrading One of My Functions to Use an arguments Block and String Arrays
10:13 I’ve upgraded a function that I often use with some features introduced in recent releases of...

3 years ago

Published

Using a pattern Object To Match URL Strings
12:25 I need to determine which URL strings in a big array match a certain pattern. Here I will use...

3 years ago

Published

Intervening to Save a Program Stuck in a Loop
4:57 Here, one of my MATLAB programs appears stuck in a loop. I don’t want to quit it, as I will lose...

3 years ago

Published

Investigating an Error in My Check For References Web App
19:31 Debugging and fixing a problem in a MATLAB web app, poses some challenges that you don’t have...

3 years ago

Published

Investigating Large Variables After Out of Memory Error
11:58 My code, which was running overnight, has stopped with a rare “out of memory” error. I intend...

3 years ago

Published

Updating My Image Size Check Function to Ignore a Class of Images
43:26 I need to update my script which checks that all the images on our web site are smaller than a...

3 years ago

Published

Fixing a Bug in My Blog Post Position Code
4:56 The script from my last blog post, which I had set to run daily, has errored-out today, so I need...

3 years ago

Published

Determining My Last Post’s Position on the Blogs Index Page
27:26 Sometimes I forget to blog about what I have been doing for a few days, so I want to find a way...

3 years ago

Published

Debugging at Point of Error
12:16 One of my MATLAB scripts has failed and is currently stopped at the error point. By having...

3 years ago

Published

Using parfor to Make Many Web Requests
47:27 My colleague asked me to access all the pages on a web server in order to populate it’s cache. I...

3 years ago

Published

Analyzing Sitemaps
51:43 Today, I want to analyze the sitemaps on mathworks.com. These XML files, in standard locations,...

3 years ago