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  • La libertà è come l’aria, ne senti il bisogno solo quando non la hai…

    calendar Nov 9, 2024 · 3 min read
     freedom  it site  · leaving-wordpress libertà
     ·
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    Si sono verificate di recente una serie di spiacievoli eventi che investono Wordpress, e una società che offre hosting su wordpress chiamata WPEngine. IlPost.it ha riassunto la situazione in un ottimo articolo. Benche’ Wordpress si sia sempre definito come un software open source, è saltato fuori che il trademark “Wordpress” sia di esclusiva propietà di Matt Mullenweg, fondatore dell`azienda che offre i servizi collegati al sito commerciale Wordpress.com.


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  • HP 12C The calculator that wouldn’t die

    calendar Sep 22, 2024 · 2 min read
     it lettere-a-mia-figlia  · hp12c hp42s
     ·
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    HP 12C The calculator that wouldn't die

    Ho scritto parecchi articoli sulle calcolatrici HP Saturn in logica RPN, con un misto di nostalgia e amarezza. Scopro oggi che in realtà c'è ancora una calcolatrice in produzione, grazie a questo articolo di TheRegister che documenta un problema di calcolo dell'interesse composto, che affligge alcuni modelli.


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  • Nissan QASHQAI Review

    calendar Sep 22, 2024 · 3 min read
     it reviews
     ·
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    Nissan QASHQAI Review

    Sono appena entrato in possesso di una Nissan QASHQAI Xtronic Mild Hybrid, e ne sono rimasto favorevolmente colpito, tanto da volervi fare una piccola review spontanea.

    In passato ho avuto la ventura di poter usare per un periodo piuttosto lungo (3 anni) un Toyota CHR, che grazie al motore ibrido ha sempre raggiunto senza troppe difficoltà prestazioni di oltre i 16 km al litro, con punte intorno ai 20 per il ciclo urbano. Come vedremo la Nissan che non è ibrida non riesce a raggiungere queste performance, ma ci si avvicina.


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  • del C:\Windows\System32\drivers\CrowdStrike\C-00000291*.sys

    calendar Aug 1, 2024 · 1 min read
     en
     ·
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    Aka The CrowdStrike effect

    Maximum respect for a company able to hangs 8 millions of Windows PC.

    Ah Gioorgi.com runs on Debian Linux, sorry.

  • TDD Reloaded

    calendar Jun 26, 2024 · 4 min read
     en evergreen lang software  · java tdd
     ·
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    TDD Reloaded

    Test driven development is a beast to tame. I like TDD but in the past it was quite difficult to achive, at least in a pure-consultant approach with a "turn key" framework behind.

    There are two major concept often not grasped correctly.


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  • Spring Boot and database testing: production defects

    calendar Jun 17, 2024 · 1 min read
     en java knowledgebase  · spring-boot sql
     ·
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    Spring Boot and database testing: production defects

    Sometimes you need to fix a production defect. To do it, you need to mirror a specific set of data, and do a test to proof the bug and then fix it.

    Luckily, SpringBoot provide the @Sql annotation to easily "pump" data.


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  • Repackage! Spring Boot exit strategy to Jigsaw

    calendar Apr 22, 2024 · 1 min read
     uncategorized  · java spring spring-boot
     ·
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    With new JDK, when you compile a spring-boot application you get a big jar which cannot be included as utility jar anymore.

    The reason are a lot but, simply put, the new packaging system introduced with JDK9 require a strong separation.


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  • How GenAI works & hot news on Gemma

    calendar Feb 24, 2024 · 3 min read
     en featured generativeai knowledgebase  · 373 ideas macm1 macos ollama
     ·
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    How GenAI works & hot news on Gemma

    This week was very hot because Google published Gemma, a smal-size LLM, and also Nvidia has a rush on stock market, with a evaluation around 2000 BILLIONS dollars. Last but not least, Mistral.ai published a service for its more advanced model, which can also run on-prem.


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  • Exploring Generative AI: LLama2 on MacM1 Take 1

    calendar Feb 17, 2024 · 10 min read
     en featured generativeai knowledgebase  · 373 ideas macm1 macos ollama
     ·
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    Exploring Generative AI: LLama2 on MacM1 Take 1

    Generative artificial intelligence (GenAI) is artificial intelligence capable of generating text, images or other data using generative models, often in response to prompts.

    Generative AI models learn the patterns and structure of their input training data and then generate new data that has similar characteristics. This similarity is probability-based.

    At low level, these systems are based on Transformer deep-learning architecture and are called generative pre-trained transformer  (GPT) first defined in 2018 (for a complete description refer to Wikipedia)


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  • Consigli ad un amante della matematica iscritto per sbaglio al Liceo Classico

    calendar Feb 15, 2024 · 3 min read
     it  · matematica
     ·
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    Mi e' tornato in mano un bel libro di Piergiorgio Odifreddi, intitolato C'e' spazio per tutti che tratta di geometria, e mi ha ispirato alcune riflessioni.

    La prima, e' che benche' il liceo classico sia intriso di cultura greca, c'e' una grave mancanza, poiche' viene insegnata poco la genesi della geometria e della matematica, fortemente connesse nel mondo greco. Cosi' tanto connesse che gli Elementi di Euclide trattano non solo di Geometria, ma anche di Algebra e Aritmetica.


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  • yq to manage your K8s yaml

    calendar Feb 13, 2024 · 1 min read
     automation en
     ·
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    On the current project, I had the need to extract the cpu limits from the deployment descriptor, sum them to check resource usage and print a report.

    I need to do it on a lot of microservices, and also it can change in respect of the target environment.


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  • Feature toggle in Java Spring

    calendar Jan 24, 2024 · 5 min read
     en featured  · java spring spring-boot
     ·
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    Today I have an hard time using the @Profile directive for enable feature toggle on Spring, so I decided to write a small guide on it.

    Introduction

    Feature toggle is a way to write your code to be able to 'turn' on/off specific modules of your (micro) service. Because Spring Autowiring can 'discover' the right service for the right need, you can easily introduce feature toggle in an Inversion of Control engine like Spring.
    I am not a super fan of feature toggle, but it helped me on more than one project. Also sometimes on production delivery you have some legal constraints (like enable a service not before a specifica date) and so a dynamic, parametrized run become a must.


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  • Arduino, open source e futuro

    calendar Dec 24, 2023 · 5 min read
     arduino  it lettere-a-mia-figlia
     ·
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    Arduino, open source e futuro

    Nel modo della IT, possiamo oramai dire che l'Open Source e' una pietra angolare dello sviluppo software. Non tutto il software e' in standard GPLv3, ma in ogni caso molto di esso e' in licenza MIT/BSD-3 super open (forse troppo).


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  • Fixing Ctrl-C properly on macOs while switching between windows and mac

    calendar Dec 23, 2023 · 1 min read
     en  · macos
     ·
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    I have one shiny mechanical keyboard I use on my daily job, under Windoooze and Linux bash

    When I switch to my super-powered Mac on weekend, my muscle memory gets hurt because I need to switch sequence for Copy/Past keybindings, and also other minor shortcuts.


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  • Job Interviews Ultimate Tips: you must know how to do ReactJS Forms

    calendar Dec 15, 2023 · 2 min read
     en  · reactjs
     ·
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    In the last year I did a lot of job interviews for frontend developers. Normally I ask to write a some codes, using some site like https://codesandbox.io or site with limited functionalities like https://www.onlinegdb.com/online_java_compiler
    Because I am a Java hard-core sw-architect, my ReactJS questions are rather easy.


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