AWS Lambda, part 2. Saving data in DynamoDB

The last time I was running bare Lambda function.  It was fun, but no persistence was touched.  Now if we are going to track real expenses we have to persist data somewhere.  One of the solutions made for that is to use DynamoDB table.

Czytaj dalej AWS Lambda, part 2. Saving data in DynamoDB

My First Lambda – playing with AWS, part 1

When reading through the whole internet lately I encountered AWS hype.  2015 I remember there was my first contact with this Amazon services but I skipped that somehow and forgot about my account.  Things changed when I learned that this portal allows you not only to host machines and real linux systems but Lambdas.  The code is here, check my Github.

Czytaj dalej My First Lambda – playing with AWS, part 1

Elasticsearch rozumie po polsku

Elasticsearch ma oficjalny polski plugin.  Stempel.  Udało mi się go testować i sprawdzać.  I choć polski analizator pozostawia trochę do życzenia to robi niezłą robotę.  Przypadek użycia?  Indeksujemy i wyszukujemy RSS feed z ofertami pracy ze znanego polskiego portalu.

Czytaj dalej Elasticsearch rozumie po polsku

Czytałeś bloga – napisz recenzję w 160 znakach

A więc od początku.  Wszystko zaczęło się od strony jvm-bloggers.com.  Dostrzegłem że tak na prawdę pisanie blogów to coś co możesz osiągnąć.  Ale czytanie też inspiruje!  Problem tylko taki że na internecie dzieje się bardzo dużo.  Ciężko to ogarnąć.  Dlatego wymyśliłem sobie mały zbiór opinii i recenzji, które mają pomóc podjąć mi i Tobie decyzję czy zapoznać się z danym materiałem.  Zainteresujmy się tym co na prawdę jest interesujące.  Zobacz tutaj na 160znakow.pl

Czytaj dalej Czytałeś bloga – napisz recenzję w 160 znakach

Flask can provide REST for RESTful Elasticsearch

API for ES – why

So what is the goal? I want to have small app, that will allow greedy HR workers to explore Projects I took part in. I believe, one’s experience is the most important feature of future (IT) worker; school was long time ago, courses are OK but who knows who helped to accomplish them?
Czytaj dalej Flask can provide REST for RESTful Elasticsearch

Django: Web MVC and DB DAO in minutes

On Django page you can read:

Django makes it easier to build better Web apps more quickly and with less code.

I decided to validate that statement.  And yeah, after working with Django for few days it turned out to be true. Following you may see how fundamental MVC tasks were implemented by me.
Czytaj dalej Django: Web MVC and DB DAO in minutes

Data Visualization is Data Communication

Another chapter from Udacity course is data visualization.   What I have learned was very important.  To acquire, munge and analyze data.  But it would be nothing when such a information wouldn’t be communicated to others. The easiest way it is to be done with data visualization.  I learned about Napoleon’s march to Russia and why you have to think twice before you will post hue-colored diagram.

Czytaj dalej Data Visualization is Data Communication

Data wrangling in practice

Are you going to play with data?  First, you have to wrangle data, prepare it and make useful.  Having practice session Wrangling Subway Data in udacity course was nice way to use my knowledge in practice.  Subway data is a good sample of dataset consisting of several columns in CSV file.
Czytaj dalej Data wrangling in practice