TDD anche su iOS
•
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Test Driven Development su iOS è possibile e persino utile. Invece di leggere blog post che sottointendono che TDD su iOS sia difficile e inutile venite a vedere chi lo usa sul serio e ha il coraggio di programmare ad una conferenza davanti ad altre persone. Avvertenze: questo talk non contiene paternali sul perché si dovrebbe (o non si dovrebbe) fare TDD in questo talk non verranno usati strumenti complicati in questo talk verrà scritto ed eseguito codice dal vivo Dopo una brevissima introduzione passerò a sviluppare guidato dai test una semplice applicazione per iPhone.
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Perchè l’approccio accademico al software impone spesso di ragionare “a risorse infinite”, mentre nella realtà dei fatti questo non è vero? Abbiamo la possibilità di intercettare rapidamente il degrado del software e il consumo di risorse? In questo talk vorremmo condividere alcune esperienze di team atte a misurare la “febbre” del software, ovvero discutere di alcuni indicatori che possono dare un buon feeling sullo stato di salute del software che stiamo sviluppando, monitorando i quali possiamo far avvicinare l’approccio accademico, teorico a quello pratico e di produzione.
Instilling Scrum Workshop
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del 29 novembre 2013
al Italian Agile Day di Reggio Emilia
Agile requirements - alla ricerca del filo rosso (iad 2013)
requisiti rappresentano, a mio avviso, il ‘fil rouge’ di tutto lo sviluppo software, sia che si tratti di applicazioni web o mobile, sia che siano coinvolti grandi sistemi Enterprise. Cerchiamo di capire perché.
Possiamo affermare che Lean Agile sta di fatto divenendo uno delle metodologie più adottate (se non il main-stream stesso) in ambito informatico e conseguentemente anche in ambiti connessi con l’informatica.
Nel mio talk (che spero possa trasformarsi in una tavola rotonda sul tema degli agile requirements e di ciò che ruota attorno ad essi) desidero presentare le varie possibilità di gestire i requisiti in modo agile e di seguire ad esempio il percorso delle “user story” (uno dei più efficaci metodi inventati in ambito agile o meglio nella metodologia eXtreme Programming per gestire i requisiti) in tutte le diverse fasi della loro ‘vita’ : a partire da ‘theme’, ‘epic’ e poi ‘story’ realizzata durante una determinata iterazione, fino al loro testing mediante Acceptance Test Driven Development e convalida business sul campo con gli utenti finali e i diversi stakeholder.
Bene… per poter effettuare questo affascinante itinerario cosa e chi viene coinvolto? Scopriremo assieme (ed argomenteremo le diverse soluzioni) che un’intera organizzazione Enterprise si dovrà plasmare per consentire ad una storia di divenire parte di una nuova funzionalità di successo.
Per avere realmente successo dovremmo scomodare molte metodologie tra le quali Lean , Agile, Lean StartUp, Lean UX e questo ci porterà nuovamente al punto di partenza. Perché vogliamo realizzare proprio questa storia? Quale era il requisito da cui siamo partiti. A quale Vision ci siamo ispirati?
Sono certo che il tema è affascinante e sarà interessante affrontarlo collettivamente, specialmente se trattato in ambito di round table.
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TDD on Legacy Code - Voxxed Days Milano 2019
In questa presentazione ti mostrerò come affrontare codice legacy non testabile.
Già non è immediato fare testing in progetti greenfield, con il codice legacy diventa ancora più difficile perché di solito abbiamo a che fare con codice non predisposto per i test.
In questa presentazione prenderò un esercizio di Sandro Mancuso chiamato "TripServiceKata" dove si parte da un legacy non testabile e farò vedere come renderlo testabile applicando una tecnica seams per renderlo testabile e poi, tramite il refactor, vedremo come cambiarne il design per rendere il codice pulito.
Alla fine del talk dovresti esserti fatto un'idea dei principi utili e tecniche per aggredire il codice legacy e addomesticarlo con il testing.
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Kata in Bash a DevOpsHeroes 2018 a Parma
Abstract:
Bash is a fundamental scripting shell and language tied to the core of standard Unix process launching and composition (execve(2), fork(2), and pipe(2)). As being omnipresent, reliable, stable and straightforward to start working with Bash is often used for writing the first version of simple provisioning script. Those initially simple scripts soon can become awkward to maintain mostly due to the language unique idiosyncrasies.
Test-Driven Development is a engineering practice that, among other things, leverages automatic testing to develop confidence with unknown systems and
languages.
Mixing Bash and TDD I’ll demonstrate you how you can discover and deal with Bash quirks and features in order getting a task done.
The talk will be delivered as #noslides performance (a talk where the speaker casts its computer screen while performing the work and explaining what is doing and why). I will develop a Bash script incrementally using TDD but without using any pre-existent xUnit framework: during this session a mini-framework will be developed from scratch using only out-of-the-box system features and tools.
Video: https://www.youtube.com/watch?v=DuQzmuO0BhI
Screencast: https://asciinema.org/a/208470
Repository di partenza su GitHub: https://github.com/andreafrancia/kata-bash
User Stories - Andrea Francia @ WeDev 7 novembre 2018
Titolo completo:
User Stories: cosa sono, a cosa servono, come si usano e come no - Andrea Francia @ WeDev 7 novembre 2018
Relatore: Andrea Francia
Abstract:
Come si decide quello che dovrà fare un sistema software? E poi, come comunicare la decisione alle varie persone coinvolte? È una problema difficile perché ognuna delle parti in gioco ha visioni e necessità diverse. Project manager, sviluppatori, utenti, tester e clienti hanno bisogni diversi e punti di vista diversi. Come creare un confronto produttivo tra queste persone arrivando ad una singola decisione condivisa che tutti possono supportare e mantenerne l'equilibrio per mesi o addirittura anni? In eXtreme Programming si usano le storie, un metodo per organizzare lo sviluppo semplice e efficace che però spesso viene spiegato complicato e snaturato delle caratteristiche che lo rendono utile. In questa presentazione riprendiamo la definizione originale e vediamo come usarlo come strumento per la pianificazione del lavoro e di supporto alla comunicazione e condivisione di conoscenza.
Video:
https://www.youtube.com/watch?v=dC9G4o-m5X8
Le pratiche ingegneristiche di eXtreme Programming
Le pratiche ingegneristiche sono il sottoinsieme delle pratiche descritte nei libri di eXtreme Programming che hanno direttamente a che fare con le modalità con cui si scrive/progetta/verifica il software.
Esse sono:
- il Simple Design
- il Test-Driven Development
- la Continuous Integration
- il Refactoring, e
- il Pair Programming.
Sono famose di nome, ma non sempre è possibile venire a contatto con una loro definizione corretta, ed è facile farsi un'idea sbagliata di cosa siano e trovare problemi ad applicarle in modo efficace alla propria situazione.
Spiegherò come ognuna di queste pratiche possono aiutarci nello sviluppo software portando esempi presi dal mio lavoro quotidiano o dal lavoro di altre persone con cui sono venuto in contatto.
Test-Driven Development su Codice Esistente
This document discusses test-driven development (TDD) approaches for refactoring legacy code. It notes that refactoring legacy code is challenging because tests often need to be added before refactoring can be done safely. It also references a "Trip Service Kata" example for demonstrating TDD and refactoring of legacy code. Finally, it provides some tips for working with legacy code, such as starting refactoring from the deepest code branches and starting testing from the shallowest branches.
Come si applica l'OCP
This document summarizes a presentation on applying the Open-Closed Principle during Test Driven Development. It discusses when refactoring should occur during the TDD process, how to structure code to follow the Open-Closed Principle, and provides an example "OCP Kata" exercise to practice these concepts. Learning objectives, examples, and rules for the kata are outlined to help attendees understand and apply the Open-Closed Principle.
Le 12 pratiche - Un introduzione a XP (Mini Italian Agile Day)
Una introduzione base ad eXtreme Programming per i nuovi arrivati dell'Agile Day che vogliono cominciare a capire di cosa si tratta e vogliono sapere come viene implementata nelle aziende che la praticano. Alla fine della sessione i partecipanti si saranno fatti un idea di come si fa XP in concreto.
Slide della presentazione fatta al Mini Italian Agile Day di Vimercate - 11 febbraio 2017
Test-Driven Development e Sviluppo Incrementale (TDD-Milano 2017-01-10)
Una delle componenti fondamentali del TDD è il concetto di sviluppo incrementale, cioè la capacità di affrontare un problema una pezzo alla volta.
Gli ingredienti di TDD sono:
- Lo Sviluppo Incrementale
- Il concetto di Test First
- Il Design Incrementale (il Refactor)
Applicando solamente Test First senza Sviluppo Incrementale otteniamo solamente un grande test difficile da scrivere e un programma di produzione anch'esso difficile da scrivere tutto insieme e non abbiamo neanche la possibilità di fare un vero Refactor che ci aiuti perché saremmo sempre in barra rossa fino alla fine e potremmo fare Refactor quando ormai non serve più.
Ma qual'è il vantaggio di sviluppare in modo incrementale? La velocità. Sviluppando in modo incrementale si ottiene feedback più velocemente, e il feedback veloce nello sviluppo vuol dire raggiungere affrontare e risolvere problemi più velocemente e quindi essere più veloce a sviluppare.
In questo incontro ci concentriamo nell'uso degli strumenti che ci permettono di affrontare lo sviluppo in maniera incrementale. Lo faremo mettendo direttamente le mani sulla tastiera.
Piccolo coding dojo (milano xpug 2013-04-11)
The document summarizes a presentation on Test Driven Development (TDD) given on April 10, 2013. It includes an agenda with a review of TDD, practice with TDD, and retrospective. It discusses the core concept of TDD - writing a test, seeing it fail, making it pass, and repeating. Examples are provided for a calculator and file name extension. The three rules of TDD and how refactoring fits into the process are also outlined.
Tutti i miei sbagli (Errori di un wannabe Open Source Developer)
É vero che sbagliare é un buon modo per imparare, ma é ancora meglio
imparare dagli errori degli altri.
Sara` presentata una carrellata di tutti gli errori che ho fatto durante lo
sviluppo del progetto Open Source `trash-cli`. Errori di tutti i tipi:
manageriali, architetturali, di design e di metodologia.
Versione Codemotion Mar 24, 2012
Tutti i miei sbagli, versione 7 Marzo 2012 al XPUG mi
The document discusses some mistakes and lessons learned from developing the open source trash-cli project. It describes issues with generic naming of commands, using Bash for functional testing, choosing an open source license, and selecting a code hosting platform. The author realized that command names should not be changed, functional tests should be consistent with unit tests, existing licenses can be used but should be understood, and more permissive platforms than SourceForge may be preferable.
Writing a Crawler with Python and TDD
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Introduzione al TDD
This document provides an introduction to Test Driven Development (TDD) in Italian. It defines key TDD concepts like "test first" and automating tests. It then provides examples of using TDD to develop a parser for the "df" command output and features for an astrology horoscope application. The examples demonstrate the TDD process of writing a failing test, then code to pass the test, and refactoring. Rules for TDD like keeping tests passing and writing tests for all features are also outlined.
Google C++ Testing Framework in Visual Studio 2008
The document summarizes how to set up and use the Google C++ Testing Framework (Google Test) for unit testing C++ code in Visual Studio 2008. It discusses why Google Test was selected over other testing frameworks, provides an overview of its features and how to set it up in a Visual Studio project. It also demonstrates defining tests with the TEST and ASSERT macros and different types of assertions and expectations that can be used within tests.
Subversion @ JUG Milano 11 dic 2009
The document discusses choosing Subversion as a version control system for a project based on its central repository model, path-based authorization for access control, selective checkout capabilities, support on Linux, Mac and Windows platforms, and ability to do word file comparisons using TortoiseSVN. It highlights some of Subversion's key concepts like commit, update, push and pull and clients available on different platforms. It also talks about using path-based authorization and sparse checkout for large repositories, and features of TortoiseSVN Windows client like integration with Windows Explorer.
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Le pratiche ingegneristiche di eXtreme Programming
Le pratiche ingegneristiche di eXtreme Programming
Le 12 pratiche - Un introduzione a XP (Mini Italian Agile Day)
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Test-Driven Development e Sviluppo Incrementale (TDD-Milano 2017-01-10)
Test-Driven Development e Sviluppo Incrementale (TDD-Milano 2017-01-10)
Tutti i miei sbagli (Errori di un wannabe Open Source Developer)
Tutti i miei sbagli (Errori di un wannabe Open Source Developer)
Tutti i miei sbagli, versione 7 Marzo 2012 al XPUG mi
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Google C++ Testing Framework in Visual Studio 2008
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In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
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Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
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GitHub: https://github.com/albumentations-team/albumentations
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LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentationsSecuring your Kubernetes cluster_ a step-by-step guide to success !
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#MongoDB #VectorSearch #AI #SemanticSearch #TechInnovation #DataScience #LLM #MachineLearning #SearchTechnology
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