Good read: The value of Ignite

3 December, 2013 § Leave a comment

Recently I got a shout-out from Tricia Broderick in her blog post, “The value of Ignite“. The post was a great reminder of what someone can accomplish when they step out of their comfort zone and try something they’ve never done before.

We held multiple of these “Ignite” events at TechSmith. At each event we had about eight presenters who covered various work and non-work related topics. The twist to the presentations is that each slide can only be on-screen for 15 seconds (auto-advancing) and you only get 20 slides.

These turned out to be great activities for people to learn more about their coworkers as well as get practice presenting. See Tricia’s blog post for her take on the event.

Tools & Processes for ensuring software quality at Mozilla

11 December, 2012 § 2 Comments

Last week I gave a talk at TechSmith about some of the tools & processes for ensuring software quality at Mozilla.

TechSmith develops multimedia software based around various screen capture uses. Some of their most popular software is Camtasia Studio and Snagit.

Like Mozilla, they use continuous integration, unit tests, manual testing, and code reviews to maintain software quality.

The talk was recorded and I hope to get a copy of the talk to upload here and share with others. In the meantime, I’ve included a link to the slides below:

Tools & Processes for ensuring software quality at Mozilla

Please let me know if I made any errors or omissions.

The benefits of slow-motion videos of user interface features

30 January, 2012 § 4 Comments

The people working on Firefox have been spending a lot of time recently making sure that the browser is not just running with the highest performance as possible, but also running with the best perceived performance.

There are some cases where animations in the user interface may appear jerky, having large pauses or stutters while transitioning from one state to another.

One example is the transition from an open tab to a closed tab. In today’s release version of Firefox, tabs close by reducing their width to 0 pixels while also reducing their opacity to become transparent at the same time. With these two animations occurring at the same time, the tab becomes invisible much earlier than its width becomes 0 pixels. This results in a visible hole in the tab strip.

Starting in Firefox 12 (currently in the Nightly phase), the animations delay the fading of the opacity to a later time to remove this visual hole.

Finding an issue like this may be easy, but seeing at a slow speed what is happening and if a fix works better is hard. Since these animations run pretty fast, developers need to slow the animations down.

Asa Dotzler used Camtasia Studio and recorded the tab closing transitions at 60 fps (Camtasia Recorder -> Tools -> Options -> Inputs -> 60 fps) and then encoded them at 15 fps (Save and Edit -> right-click on clip -> Clip Speed -> 25%). This provided us with a slow-motion reproduction of the animation (only animates in Firefox, click on the image to see the animation):

After Asa created the animation, Dao Gottwald put together a patch that tweaked the timings of the various transitions. I put together a new recording that showed the effect of this change (click on the image to see the animation):

Recording user interface features can really help get a detailed look at how the software looks and feels. Maybe there will be an opportunity for you to use software like this in the future 🙂

Thank you TechSmith

8 June, 2011 § 2 Comments

This past Friday was my last day working at TechSmith in Okemos, MI. I truly loved every day that I worked there and will continue to hold my former coworkers in high esteem.

My time at TechSmith included many great technical and not-so-technical efforts. I am enormously proud of myself and the others around me that worked on making software better for users and also showing off the great culture that is enjoyed at TechSmith.

I started at TechSmith as an intern and was the first person to begin working on the LDAP-authentication for Camtasia Relay. Back then, the product was called Cayenne and our beta releases were named after other variations of spicy peppers.

After interning on the team, I accepted an offer to join the company full-time. I championed the Camtasia Relay web console’s performance, a redesign of the PC client, security issues, and many other things.

But what I’m most proud of is not the technical achievements. I am most proud of my non-technical achievements. Throughout my life I have tried to have a gung-ho/just-do-it attitude. I started a brown-bag series for employees to demo side projects as well as internal Ignite presentations.

Towards the end of my tenure, I started working with Randall Brown on a public-facing developer blog for the company. TechSmith already has a really strong internal-facing blog for the developers at the company, but not all of the posts on that blog require signing an NDA. Our goal was to give back to the community and show off what a great company TechSmith is to work for.

It is with great sadness that I announce that I no longer work at TechSmith. It was a tough and emotional decision but I feel that I am making a necessary move for me to grow as an individual.

I will be starting at Mozilla Corporation as a software engineer on the Firefox team on June 13th. Wish me luck!

Performance Improvements of

23 May, 2011 § 1 Comment

The latest release included a couple speed improvements that were quietly included.

URL improvements

The first improvement was one requested by Kyle Mulka, of Twilk, during a visit to TechSmith. Kyle mentioned that he wished the short URLs would stay short after the web page was accessed. He mentioned that a lot of users like to copy and paste the URL from the address bar and use it in tweets.

I spent a bit of time researching what we would have to change to fix this issue, and in a couple of days we had the changes implemented.

This change also brings about a nice speed improvement to the loading of pages on Previously, when a piece of content was visited, the server would reply with an HTTP Status Code 302 - Found. This causes the browser to then load the page at the redirected location. This little bit of communication takes time, and with our new change we have removed this initial hurdle.

Here is a graphic showing the change in loading times:

With this improvement, we have increased the speed of viewing your content by 4.1% on average. If you are viewing your content from outside of North America, you can expect an even larger speedup.

Reduced page size

The second improvement that was added to was a new library layout. Much care has been taken to reduce the filesize of the webpages, to the point where loading up my library using the Library (beta) only uses 1/4 of the bytes yet sends more data. The Library (beta) also makes 11 less network requests than the current library. This means that your library is now more accessible under tighter network conditions such as 3G.

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