bio_img_videos

Stuart’s MATLAB Videos

Watch and Learn

Posts 121 - 130 of 175

Results for: Code-Along

Building a Web Server Monitoring App, Part 2: Plotting Streaming Data

In my last post, I worked on accessing a set of continually updating log files from a server. Here I will review what I did to tidy up my code, then work on plotting the streaming data as it comes… read more >>

Building a Web Server Monitoring App, Part 1: Reading Streaming Log Files

This will be one of a few posts where I work on building an app that will visualize traffic to a web server, letting me monitor it as its being used. I plan to use App Designer, then deploy the app… read more >>

Using Anonymous Functions to Parameterize the Log File Analysis

Here I restructure the section of my code that filters the requests, so I can easily add any filter rule (as an anonymous function) in the future. Once again I forgot to turn on my webcam so you… read more >>

Updating My Map Function to Handle the New Log File Format

Here I continue with my analysis of the log files of a different server. I need to modify my map function to create some variables and strip some rows which I am not able to do during file… read more >>

Making a Server Datastore Function

I want to carryout the analysis I did in my previous post on another server. However, that server has a different log file format. So I decide to make a parameterizable function that can return a… read more >>

Incorporating Hourly Data Analysis into Another Function

Here I take the analysis I did in this post to group website crawl data by the hour, and incorporate it into another function that runs daily. I forgot to turn on my webcam for this one, so its just… read more >>

Modifying a Script to Add an Additional Column to a Table

Here I’m doing some pretty mundane everyday modifications to an existing script (code-along style). I need to add an additional data column to a table I’m creating. I don’t explain… read more >>

Using Retime with a Timetable to Aggregate Data By Hour 2

Last week I used varfun on a datetime variable in a table to count rows by hour. One of my colleagues said I should take a look at retime which operates on timetables. Here I give it a try.
Features… read more >>

Writing a Script to Count Data in Multiple Text Files 2

Here I need to combine the data from multiple text files by grouping and summing by one variable. I also try using a datastore which I have not used much before.
Features covered in this code-along… read more >>

Adding a New UI Element to a MATLAB App with App Designer 4

If you have used GUIDE a lot in the past and are thinking of trying out App Designer, this will give you an idea of how its like to work with that tool. Here I add a new UI element to an existing… read more >>

Posts 121 - 130 of 175