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  • Il saggio progetto svedese, rinato: Elixir e Phoenix

    calendar Jun 4, 2016 · 4 min read
     erlang featured it  · erlang java ruby
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    Negli ultimi 20 anni sono successe tante cose imprevedibili. Nel 1995 nasce Java. Nello stesso periodo nasce Erlang. Java inizialmente segue la strada culturale tracciata da Sun, e si configura come un linguaggio estremamente verboso, con API specifiche per la gestione della concorrenza (es keyword synchronized per gestire nativamente le zone critiche che necessitano di mutex). Inzialmente Java è per far girare applet, poi Sun presenta un chip ad hoc (picoJava) poi IBM ci mette del suo e il linguaggio si trasforma in una ottima piattaforma per lo sviluppo server side.


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  • The Lego impossibile Revenge /2 brick prices

    calendar Apr 9, 2016 · 1 min read
     en  · lego
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    Traditionally Lego bricks cost a lot. This guide will try to give you some guidelines on “brick best price”. First of all basic creative box seems the cheapest one. For instance the LEGO 10702 - Classic Set Creativo has 583 pieces for less then 25 € on Amazon. The cost per brick is about 4.25 € every 100 bricks.


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  • The Lego Technic Impossible Revenge Part 1

    calendar Apr 2, 2016 · 1 min read
     en knowledgebase  · lego
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    The Lego Technic Impossible Revenge Part 1

    super-pricey-setAfter my first child reached 5 years old, I decided it was time to start my Lego Technic Revenge, together with KyloRen Star Wars lego-puppy (eh eh).

    It is very difficult to find out a good set to play with gears and so on. The big Lego Technic toys like cars and so on are sold without nice pieces to link with “normal bricks” (see below the red one).


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  • Lego quicklinks

    calendar Mar 1, 2016 · 1 min read
     en  · lego
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    1. A dump of the Lego set database. It is from 2014, but it could be a good starting point for your own database needs
    2. A stocking and stackable lego strategy
    3. A web site to know what else you can build with your pieces.
    4. A replacement part site with manual download too.
      1. By the way search 10188 for death stars replacement (red/blue swords!)
      2. 10179 for millenium falcon
  • Finding the good one: mithril

    calendar Feb 21, 2016 · 2 min read
     en featured knowledgebase  · good great-ideas javascript javascript-war
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    Finding the good one: mithril

    I have just read this insightful statement on this blog article about congitive load in Javascript

    jQuery is undoubtedly useful when dealing with browser quirks, but once an application grows over a few thousand lines of code, unstructured jQuery code simply becomes too difficult to maintain, and you start needing the discipline of a framework to organize code. But when you're at tens of thousands of lines of code, you start to run out of entity types to CRUD, and your application growth starts to build on top of existing concepts. This is when you need the mental shift from being a library consumer to being a reusable component author,

    This clever guy is the creator of Mithril, a very small, well crafted javascript library a friend of mine pointed to (via github…):


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  • Atari2600: the pong machine

    calendar Dec 17, 2015 · 5 min read
     it lettere-a-mia-figlia  · 6502 atari2600 c64 relax
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    L’Atari2600 è stata la prima console giochi casalinga, ed è stata commercializzata nel 1977. Ha resistito al collasso del mercato dei videogiochi del 83-84 ed è rimasta in produzione fino al 1992.

    Atari 2600:right
    Do dove viene il suo successo, che come vedremo è intimamente legato al c64?


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  • Property Based Testing Tool

    calendar Nov 30, 2015 · 1 min read
     en  · erlang
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    Tonight I stubled upon PropEr, a Property based testing tool for Erlang. It seems a very smart idea: instead of writing a single unit test, you write a set of properties your code must satisfy.

    From the site:

    A property-based testing tool, when supplied with this information, should randomly produce progressively more complex valid inputs, then apply those inputs to the program while monitoring its execution, to ensure that it behaves according to its specification, as outlined in the supplied properties.

    QuickCheck is the father of PropEr: give a try to thw wikipedia page to see if your language is supported and start a new way of doing…Test Driven Developement!


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  • dos2unix for poor basic unix

    calendar Oct 28, 2015 · 1 min read
     en knowledgebase  · unix
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    dos2unix for poor basic unix

    Do you have cygwin base install right? So no dos2unix…you can convert a windows file to unix format with a small tr command like

    tr -d '\\15\\32' < winfile.txt > unixfile.txt
    I prefer the awk way of life:

    [bash] awk ‘{ sub("\r$", ""); print }’ winfile.txt > unixfile.txt awk ‘sub("$", "\r")’ unixfile.txt > winfile.txt [/bash]


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  • Smart: inchiesta sulle reti

    calendar Oct 15, 2015 · 2 min read
     it recensioni  · internet
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    “Smart: inchiesta sulle reti” di Frédéric Martel, è un libro uscito da poco che mi sento di consigliare.

    "Internet non appiattisce affatto il mondo. Semmai è il mondo a nutrire la Rete di complessità, diversità, ricchezza, tanto che sarebbe opportuno parlare ormai di reti, al plurale. "

     


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  • Org Mode Parser 0.1.1 is OUT

    calendar Oct 9, 2015 · 1 min read
     en featured knowledgebase org-mode-parser  · nodejs org-mode project
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    Org Mode Parser 0.1.1 is OUT

    Hi all,

    I have released version 0.1.1 of org-mode-parser for nodejs

    Org mode parser is a parser for reading Emacs org-mode files in nodejs.

    This version  has been ported to VisualStudio Community Edition 2015, so you can develop easily under windows too (but only if you really want :)


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  • Aws Revenge

    calendar Oct 8, 2015 · 3 min read
     it  · aws cloud-computing
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    !Questo articolo esce in contemporanea con il re:Invent event di Amazon!

    Su queste pagine siamo stati abbastanza scettici sul cloud anni fa. Il costo del cloud nel frattempo si è abbassato, i servizi “turnkey” sono diventati più numerosi e la concorrenza ha migliorato le cose. Il PaaS ed il cloud sono quindi entrati nella piena maturità.


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  • Expo2015 Last minute Guide

    calendar Sep 19, 2015 · 1 min read
     en knowledgebase  · trip
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    Expo2015 Last minute Guide

    Expo 2015 will close at the end of October. Because I enjoied it a lot, I’d like to give you some advice on Expo, Milan and Italy.expo2015-1

    First of all, buy ticket on line and grab a map once in. The Mobile application suck a bit, so I preferred a paper map (I am too much analogic?).


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  • Renzi speranza…

    calendar Sep 4, 2015 · 3 min read
     it lettere-a-mio-figlio
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    Estate. Io e mio figlio scendiamo dall'appartemnto in affitto al mare. A piano terra, davanti al pianerottolo prima di uscire c'è un signore sui cinquant'anni in calzoncini corti, calzetti, una borsa aperta per terra, una bottiglia d'acqua per terra.

    Mio figlio si avvicina e si presenta:


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  • ORA-01461: can bind a LONG value only for insert into a LONG column

    calendar Sep 1, 2015 · 1 min read
     en knowledgebase  · bad oracle relax sql
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    ORA-01461: can bind a LONG value only for insert into a LONG column

    Disapprove with me! Disapprove with me!

    Okey, you know Oracle. A very good database, a very old database, a very solid rock. Not famous for its error messages. I have already stumbled upon a misleading error on the old rock.

    This error anyway is incredible. If you try to push a very long text in a varchar2, you can end up with a


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  • Terrible Two

    calendar Aug 8, 2015 · 2 min read
     humor it lettere-a-mio-figlio  · vita-da-single
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    La pediatra ci guarda e poi con un tono di voce comprensivo dice

    -Sì  il periodo dei terrible two dura finoai sei anni

    -Mi scusi non ho sentito può ripetere?

    -Ehm…Sei anni - sguardo di compassione empatica da parte della pediatra, che di figli ne ha due.

    Ok, niente panico: ci sono qua io, care e cari ex-single, ora genitori in carriera.


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