Coursera Deep Learning specialization

Finished the 3 first courses of the deep learning AI specialization .

Fourth and Fifth are not available yet, so not sure what to do? Cancel my subscription and wait for them to appear, or just wait patiently.

I really enjoyed the first two courses and exercises, including Tensor flow program, but the third one was less challenging.

Hopefully the fourth will have actual programming tasks for me to refresh my skills.

Now, I need to figure out a Machine Learning project that will exercise my newly acquired skills.

Ideas?

Neural Networks

When I was in university, many years ago, AI was a big hype. Or so it seemed to me back then.
I obviously took AI classes, implemented Backgammon heuristics in LISP and lost the competition we had.
One of the projects (or was it a seminar) i did was to implement Neural networks to identify text from a small pixelated images.

Quite certain I still have a print-out of the code at my parents house, but I doubt if it make me proud readying it now.

And why do I write about this?

As I am taking the Deep Learning Specialization in Coursera, I implement Neural Networks in Python and in one hour of coding I achieve more than several weeks of coding, trial and error more than 20 years ago.

 

On Headlines – Cisco Declines, Arista Gains

The following headline from Network Computing is accurate but misleading:

“Ethernet Switch Market: Cisco Declines, Arista Gains”

From just the headline one can assume Arista is getting close to Cisco Market share and about to gain the lead, but reading the article reveals more information.

Cisco is indeed declining, Market share dropped to 55.1% from 59%. This goes inline with global trend of having an option and Open Ethernet.

While Arista is gaining, 5.1% from 3.9%  . An impressive gain, but no where near Cisco.

A more important detail and maybe a catchier headline would have been Huawei. 6.3% from 3.9%.   Yes, Huawei surpassed Arista in Market share, yet the headline discusses Arista.

Not Fake news, but interesting interpretation.

Installation duration estimation

Xcode installation is stuck in “Installing – 3 minutes” for more than 20 minutes, which gives me a reason to complain about Installation estimates.

We ALL know that there is no way to really estimate it , so why do it ?
It is helpful to know the percentage of installation and what else is needed to be done, but do I really want to state at a “Installing – 3 minutes” for more than 3 minutes?  Moreover, it sometimes changes to 4 or 5 minutes, which is even more annoying.

 

installing

Google maps – Blurred Gimpo Airpot

As I was browsing Seoul map, I had hard time finding Gimpo Airport. Searching for it, I found it is a grey area with no details. Completely blurred out.

Gimpo blurred

Was thinking it is some kind of security measure, but found out that the satellite imagery is very clear and detailed.

So, what is it ? Security ? mistake ?

Gimpo Satelite

Just for reference, you can see Japan Haneda airpot in Google map

 

Haneda map

iPhone Google+

Maybe apparent from my age, but I remember the times when programmers were working extra time to make sure their application “weight” is minimal.
Either memory consumption or actual binary size (for embedded systems with limited storage).

Was surprised (shocked) to see the new Google+ update is 111MB.
Yes, 111MB of application which shows content from the web.
Not a game, Google+.

I assume it is due to Retina display graphics, but I still think this is not the right way to do it.
Application can get the necessary files after loading, can’t it? Why everyone need to waste storage for unnecessary data ?

IMG_4019.PNG

The Power of Hype

Or maybe rather, the power of Marketing.

Although most of my work is Technical, discussing Technical details with extremely Technical people, I am sometimes surprised by the Power of Hype.

It is not about the latest SmartPhone or gadget, but it is sometimes about latest Technology trends. Even when there is not much behind it, I notice it is being discussed and considered because “people talk about it”.

One thing that I can’t do is “object the Hype”. I can explain it, talk about it, but I can’t say “this is Hype”, because I will be considered “uninformed” (or maybe “not cool”)

Energy Monitor – Mac OS

Available from Mavericks, but just “found” it.

As I work outside the office VERY often, this may be the most important monitoring tab for me. Not only the applications which consume a lot of CPU time in a certain time, but the ones which consistently drain my battery.

Google Chrome and Outlook look the main culprits while Apple application are better

Energy Monitor