Sunday, November 26, 2017

Coursers courses debugging ;-)

I really like Coursera, and set of courses about deep learning (from, but I must make note to myself:
"DO NOT attend new (fresh) courses before those will not stabilize"

Today I finished 4th (as for now last, 5th will be available "soon") course in path.
It was quiet interesting, about convolutional neural networks.
But almost in each of assignments some bugs were present.

In last set of assignments those were biggest (things like this that first task is described as second, and second as first, or this that to do second task (described as first) you need to break your code, and in first task (described as second) despite this that during creation of functions you are using TensorFlow, latter example code is trying to pass there numpy objects....

I need simply wait some time, till those courses will not be debugged :-)

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Monday, November 6, 2017

Worflow - my biggest disapotiment of iOS

Long befor having anything with iOS I heard about Worflow.
Wonderful app which was able to automate a lot of stuff on iOS.

I was looking for something similar to this what I imagnied on Android, and each of those tools was disapointing...

So finally when I got iPad Pro, I installed Workflow.

It was nice, shiny.... and completly useless...*

It seems that Workflow is build for people who need to automate some trivial stuff, and are complety OK with whole hassle with clicking, opening windows and so on.

This is really powerfull tool.
It is very usefull tool.
But not for me, and users like me.

Problem is not in Workflow but in my needs. I needed something what would help me automate some things where the best solution would be to write app, or in very untypical cases (like copying files from iCloud to Google Drive).
In some of those cases I already have apps created to do a job.
So automation given to me by this powerfull tool is in my cases not needed.

And because of this tool which looked for me so promising, is one of rarest started apps on my iPad...
To be honest I’m running it from time to time to check if maybe somehow I will be able to use it... but as for now answer was always „no” ;-)

* - very important addition here - it was useless for me.

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Saturday, November 4, 2017

Keyboard + tablet = not great idea ;-)

Now I'm sure of something what I found out years ago, but wasn't sure.

Years ago I had one of first quiet good tablets with Android.
It was EEE Pad Transformer from Asus.

I used it a lot, but when I was buying it I didn't bought keyboard.
Latter I bought it, and in the blink I stopped to use it...
It was too complicated to remove keyboard, so I wasn't removing keyboard and wasn't using tablet.

So when I was buying iPad Pro with keyboard I was little bit afraid.
But it was working.

So I decided that it may be good idea to buy keyboard for my Pixel C.

So being in US I bought some used keyboard for Pixel C.

And again, it caused that I started to treat Pixel C differently....
Maybe not using it less, but less enthusiastically ;-)

So I put Pixel C again to its cover, it works better.
I still may use keyboard sometimes, but ratter not ;-)

So why with iPad Pro keyboard wasn't so problematic?
I think 2 things, first this keyboard is really easy to work with, its part of cover, so I may use it as cover or as keyboard.
Second thing is that from this what I can say I'm using iPad Pro more like some kind of computer, so much more often in landscape than portrait mode. So keyboard makes perfect sense for it :-)

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Sunday, October 8, 2017


A lot of people over internet ask why Google created Pixelbook.
And says on the same breath that it for sure cannot compete with MacBook or even PC.

I think that it was never intention.

It should compete with iPad Pro.

And because it have true web browser, and ability to run Android apps it may be even better than iPad Pro...

Only problem is, that nobody will buy it :-(

posted from Bloggeroid

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Sunday, September 24, 2017

AWS vs Azure vs Google Cloud

I'm guessing that Google should find catchy name for its cloud solution.
Something like Android for mobile or Chrome for browser.

Here Google Trends comparing search for AWS/Azure/Google Cloud:

As we can see people are searching mainly for AWS and Azure, but not too much for Google Cloud.

It's even better visible when you will look on YouTube searches:

And as all developers knows when you are looking for first info, you first look over web, next you move to YouTube for some short and sweet descriptions.

My guess is that developers are looking for available options for cloud, and it is much easier to look for something specific like aws or azure, not for "google cloud".
Term "google cloud" may means everything, from "cloud" of search terms, by Google infrastructure, Google services like Google Drive, and Google products like compute engine and so on.

Maybe it would be good idea to use one catchy phrase to name all Google cloud products? Appspot wasn't soo bad ;-)

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Monday, September 18, 2017

Buying christmas lights in September isn’t easy ;-)

Who knows that it is really difficult to buy simple christmas lights in September ;-)

Yep, this is possible, but not so easy like in December ;-)

And I have simple dream, I would like to have christmas lights hanging on one of my bookshelfs (exactly 2 Kalaxes which are dividing my kittchen anex from rest of my studio).
And I would like to light those one by simple „OK, Google make lights” or similar.

This second part is already done. Thanks to some magic from TP-Link and one of theirs products.

Now I only needs lights...

I was hopping to buy those in normal brick and mortar shop, but it seems that those are seasonal...
So I will need to buy those in the net... and wait...

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Sunday, August 27, 2017

Lemon battery...

One of my wildest dreams was to build lemon or potato battery to power Raspberry Pi...

I always thought that it should be easy.

~14 years ago on some industrial fair one of companies was showing some small device powered by potato battery, so I thought that this should work with Rasbperry Pi too.

Problem is that according to science (or at least Wikipedia ;-)) lemon battery build from 1 lemon gives up to 1 mA of current...
And according to this site minimal current needed for RPi vary from 80 mA up to 1250 mA...

So it seems that I would need at least 80 lemons only to power RPi....

It doesn't look as viable plan ;-)

And it also seems that this company I remember wasn't showing working device ;-)
They would much more energy to power device, especially that this was some device connected to GSM modem ;-)

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