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I like a lot of programming languages. I do not love them with the same intensity.
I do not love Lisp for its ((syntax))), but Lisp rocks for its purity: in a tiny bag of concept, you get a lot of stuff.
This article, (How to Write a (Lisp) Interpreter (in Python)) show you how it is easy to write a lisp interpreter in python. It is 113 lines of code, and include the parser the executor and the basic functions to get started.
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Ho posseduto sia un Vic20 ed un C/64, come molti della mia generazione, credo. Il Commore 64 è stato un micro computer commercializzato tra il 1982 e il 1994, dalla Commodore Business Machine (CBM). Il vero salto di qualità con il C/64 me lo fece fare un rivista scovata in un Autogril, chiamata Commodore Computer Club, che parlava praticamente solo del C/64 e aveva una forte connotazione “social”, nel senso che la rubrica della posta era inizialmente molto grande.
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So Dart Sith has just launched his first DeathStar, my young JavaScript fellow: a site devoted to the Dart language
Because I am a very old Jedi (1974, before ever the first WtartWars trilogy showdown) I had to rest a bit before talking about it, so the news is 4-days old I know. I needed to think, reflect and write down: but now I am ready, Read on…
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Hi all,
I have released version 0.0.6 of org-mode-parser for nodejs
Org mode parser is a parser for reading org-mode files in nodejs.
It features more then 80 unit tests, and support also for :DRAWER: and archive tag.
The parser can query on the structure, extract subtrees, regenerate the original input via an handy toOrgString() method.
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Come capire quando una mega corporation è disperatamente alla rincorsa? Ecco alcuni indizi:
- Andate ad una tech conference in centro. La sala non è gremita, in prima fila c'è una sola persona, in seconda fila sono due...
- Viene offerto un codice di riscatto per vendere applicazioni per un anno sul loro App Store.
- Viene dato GRATIS l'ambiente di sviluppo, che solitamente costa 1000 euro.
- C'è un concorso con premi settimanali ed estrazioni mensili per chi scrive applicazioni sull'appstore.
- Il sistema operativo si chiama Mango: un nome azzeccato! Ma la cosa fantastica è che la versione 7.5 per programmarlo ha bisogno dell'SDK ha versione 7.1! Sospettiamo che stiano andando un po' troppo velocemente...
Ora sta a voi scoprire di chi sto parlando. -
This week, the nodejs community had a big flame.
All was started by this blog post, which tried to slap down node.js server because of its mono-thread nature. And node.js fight back knocking down the attacker. Let’see how.
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Ciao bimbo mio, oggi non parliamo di te.
Parliamo di Steve Jobs, che si è spento ieri, all’età di 56 anni. Steve è il creatore di tutte quelle cose con il logo di una mela che vedi in casa, e no, la Apple non è una catena di fruttivendoli internazionali.
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So we are here again talking about Javascript. I have already wrote an article comparing a well known SmallTalk implementation to Javascript. If my ideas are right (at least a bit), you will see more and more javascript on the next months. In particular:
- JavaScript is the Ajax programming languge for the rest of us
- Mobile Framework like PhoneGap and Appcelerator, are all about javascript at the top
- Javascript is evolved, and it is used server side by projects like node.js
Getting Started
JavaScript is a language must be re-learned if you are old like me (i.e. born before 1982).This book will re teach you javascript in ten minutes or so on. A very nice and funny read, for 25 pages!A lot of the things you will read will be new to you, for sure.Studing good librabries is a must. JQuery is a very well written and commented library: grab the full sized source and start reading it.Getting your hands dirty
A good way of learning is trying to make your own errors :)QUnit is a unit-testing framework you can run in your browser, which will be very useful to you.If you prefer nodejs, vows is a continuous integration library which will save your days. I prefer vows in these days, because it can run from the command line, and it is easy to setup.Phase3: Evolving to the next step
Coffee Script is a very instructive language. Look how CoffeeScript renders its code in JavaScript:it will avoid you a lot of mistakes.And this bring us to a very sad rule: discipline in JavaScript is fundamental to avoid nasty bugs.
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Arduino rocks, you know. And we we are happy to announce a new set of goodies from the Arduino Italian crew!
And if you do not know what is arduino, we have a fix for that (TM)
For the second year in a row we decided to announce our new products at Maker Faire in NYC.
Arduino 1.0, we finally froze the Arduino API, the IDE and the layout of the boards. We’ve made some minor additions to the Arduino connectors to make them more flexible. Tomorrow you will be able to download the release candidate and in 1 month of frantic testing with the community, the platform will be ready and stable.
Arduino Leonardo, a low cost Arduino board with the Atmega32u4. It has the same shape and connectors as the UNO but it has a simpler circuit. On the software side it has a nifty USB driver able to simulate a mouse , a keyboard, a serial port (with more drivers coming later). As usual for Arduino, everything will be released as open source (Core, Bootloader, Hardware).
Arduino Due, a major breakthrough for Arduino because we’re launching an Arduino board with a 32bit Cortex-M3 ARM processor on it. We’re using the SAM3U processor from ATMEL running at 96MHz with 256Kb of Flash, 50Kb of Sram, 5 SPI buses, 2 I2C interfaces, 5 UARTS, 16 Analog Inputs at 12Bit resolution and much more.
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Arduino Wifi Shield. It adds Wi-Fi communication capabilities to any Arduino. Instead of using any of the classic WiFi modules on the market we wanted to have something that will provide the maximum level of hackability to the user. The shield is based on a wifi micro module made by H&D Wireless coupled with a powerful AVR32 processor that carries the full TCP-IP stack leaving room to add your own protocols and customisations.[…]
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