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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

**R to @mind_booster: «A Câmara Municipal de Lisboa diz que “não é exequível” fazer cumprir os limites de ruído»

Isto é o mesmo que dizer “candidatamo-nos para o trabalho, mas não conseguimos fazê-lo”. Isto sim, devia ter custos políticos.

Inaceitável. (2/2)**
«A Câmara Municipal de Lisboa diz que “não é exequível” fazer cumprir os limites de ruído»

Isto é o mesmo que dizer “candidatamo-nos para o trabalho, mas não conseguimos fazê-lo”. Isto sim, devia ter custos políticos.

Inaceitável. (2/2) ⌘ Read more

⤋ Read More
marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

Realmente, custa muito a entender. Dissecar esta notícia dava uma tese, mas não tentar expandir-me muito sobre isto só me daria cabo dos nervos. Fico-me pelo início: (½)
Realmente, custa muito a entender. Dissecar esta notícia dava uma tese, mas não tentar expandir-me muito sobre isto só me daria cabo dos nervos. Fico-me pelo início: (½)

nitter.net/paulasimoes/status/1560221281198432256#m ⌘ Read more

⤋ Read More
marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

**“É ético recrutar astronautas para uma viagem unidirecional? A quem pertence Marte? É ético explorar Marte assim como fizemos com todo o planeta Terra?”, “Será […] querer ter, até 2050, meio milhão de pessoas em Marte, […] racional?”

No @JornalMapa : https://www.jornalmapa.pt/2022/08/17/corrida-para-marte/**
“É ético recrutar astronautas para uma viagem unidirecional? A quem pertence Marte? É ético explorar Marte assim como fizemos com todo o planeta Terra?”, “Será […] querer ter, até 2050, meio milhão … ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

**Porque a saúde pública tem de ser mais importante que o interesse económico, enviei a minha participação a este processo de consulta pública.

O ruído não é só um incómodo, é uma questão ambiental e de saúde pública. Também tu podes fazer algo quanto a isto - hoje ou amanhã: 👇🏽**
Porque a saúde pública tem de ser mais importante que o interesse económico, enviei a minha participação a este processo de consulta pública.

O ruído não é só um incómodo, é uma questão ambiental e de saúde pública. Também tu podes … ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (3y ago)

XMPP Providers: XMPP Providers and blabber.im

Easy Onboarding with Android Chat App

A new version of the Android XMPP chat app

blabber.im has been released.
It provides an easy onboarding.
Passwords are generated automatically and XMPP providers are suggested.
Those suggestions are based on our curated list of XMPP providers.

Image

More Apps Supporting X … ⌘ Read more

⤋ Read More
github_blog
feeds.twtxt.net
 (3y ago)

2022 Transparency Report: January to June
We’re reporting on a six-month period rather than annually to increase our level of transparency. For this report, we’ve continued with the more granular reporting we began in our 2021 reports. ⌘ Read more

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the-lunduke-journal-of-technology
feeds.twtxt.net
 (3y ago)

The BBS is back On-Line, with more games a-comin’!
One of the chief goals of The House of Lunduke BBS is to preserve the best of 1980’s and 1990s BBS gaming — in all its ANSI, colorful text art glory. With that goal in mind, I recently took the BBS Off-Line for a much needed retro-fit… in order to properly accommodate a wider selection of classic BBS “Door” Games. ⌘ Read more

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jlelses-blog
feeds.twtxt.net
 (3y ago)

I was just about to write a long response to a discussion I saw online. But while writing it, I realized that I have an opinion, but I can’t express it properly and somehow I don’t have anything to contribute. So I deleted my draft. I don’t have to give my two cents on everything. 😅 ⌘ Read more

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xuu
txt.sour.is
 (3y ago)
↳ In-reply-to » Progress! so i have moved into working on aggregates. Which are a grouping of events that replayed on an object set the current state of the object. I came up with this little bit of generic wonder.

(cont.)

Just to give some context on some of the components around the code structure.. I wrote this up around an earlier version of aggregate code. This generic bit simplifies things by removing the need of the Crud functions for each aggregate.

Domain Objects

A domain object can be used as an aggregate by adding the event.AggregateRoot struct and finish implementing event.Aggregate. The AggregateRoot implements logic for adding events after they are either Raised by a command or Appended by the eventstore Load or service ApplyFn methods. It also tracks the uncommitted events that are saved using the eventstore Save method.

type User struct {
  Identity string ```json:"identity"`

  CreatedAt time.Time

  event.AggregateRoot
}

// StreamID for the aggregate when stored or loaded from ES.
func (a *User) StreamID() string {
	return "user-" + a.Identity
}
// ApplyEvent to the aggregate state.
func (a *User) ApplyEvent(lis ...event.Event) {
	for _, e := range lis {
		switch e := e.(type) {
		case *UserCreated:
			a.Identity = e.Identity
			a.CreatedAt = e.EventMeta().CreatedDate
        /* ... */
		}
	}
}
Events

Events are applied to the aggregate. They are defined by adding the event.Meta and implementing the getter/setters for event.Event

type UserCreated struct {
	eventMeta event.Meta

	Identity string
}

func (c *UserCreated) EventMeta() (m event.Meta) {
	if c != nil {
		m = c.eventMeta
	}
	return m
}
func (c *UserCreated) SetEventMeta(m event.Meta) {
	if c != nil {
		c.eventMeta = m
	}
}
Reading Events from EventStore

With a domain object that implements the event.Aggregate the event store client can load events and apply them using the Load(ctx, agg) method.

// GetUser populates an user from event store.
func (rw *User) GetUser(ctx context.Context, userID string) (*domain.User, error) {
	user := &domain.User{Identity: userID}

	err := rw.es.Load(ctx, user)
	if err != nil {
		if err != nil {
			if errors.Is(err, eventstore.ErrStreamNotFound) {
				return user, ErrNotFound
			}
			return user, err
		}
		return nil, err
	}
	return user, err
}
OnX Commands

An OnX command will validate the state of the domain object can have the command performed on it. If it can be applied it raises the event using event.Raise() Otherwise it returns an error.

// OnCreate raises an UserCreated event to create the user.
// Note: The handler will check that the user does not already exsist.
func (a *User) OnCreate(identity string) error {
    event.Raise(a, &UserCreated{Identity: identity})
    return nil
}

// OnScored will attempt to score a task.
// If the task is not in a Created state it will fail.
func (a *Task) OnScored(taskID string, score int64, attributes Attributes) error {
	if a.State != TaskStateCreated {
		return fmt.Errorf("task expected created, got %s", a.State)
	}
	event.Raise(a, &TaskScored{TaskID: taskID, Attributes: attributes, Score: score})
	return nil
}
Crud Operations for OnX Commands

The following functions in the aggregate service can be used to perform creation and updating of aggregates. The Update function will ensure the aggregate exists, where the Create is intended for non-existent aggregates. These can probably be combined into one function.

// Create is used when the stream does not yet exist.
func (rw *User) Create(
  ctx context.Context,
  identity string,
  fn func(*domain.User) error,
) (*domain.User, error) {
	session, err := rw.GetUser(ctx, identity)
	if err != nil && !errors.Is(err, ErrNotFound) {
		return nil, err
	}

	if err = fn(session); err != nil {
		return nil, err
	}

	_, err = rw.es.Save(ctx, session)

	return session, err
}

// Update is used when the stream already exists.
func (rw *User) Update(
  ctx context.Context,
  identity string,
  fn func(*domain.User) error,
) (*domain.User, error) {
	session, err := rw.GetUser(ctx, identity)
	if err != nil {
		return nil, err
	}

	if err = fn(session); err != nil {
		return nil, err
	}

	_, err = rw.es.Save(ctx, session)
	return session, err
}

⤋ Read More
xuu
dev.txt.sour.is
 (3y ago)
↳ In-reply-to » Progress! so i have moved into working on aggregates. Which are a grouping of events that replayed on an object set the current state of the object. I came up with this little bit of generic wonder.

(cont.)

Just to give some context on some of the components around the code structure.. I wrote this up around an earlier version of aggregate code. This generic bit simplifies things by removing the need of the Crud functions for each aggregate.

Domain Objects

A domain object can be used as an aggregate by adding the event.AggregateRoot struct and finish implementing event.Aggregate. The AggregateRoot implements logic for adding events after they are either Raised by a command or Appended by the eventstore Load or service ApplyFn methods. It also tracks the uncommitted events that are saved using the eventstore Save method.

type User struct {
  Identity string ```json:"identity"`

  CreatedAt time.Time

  event.AggregateRoot
}

// StreamID for the aggregate when stored or loaded from ES.
func (a *User) StreamID() string {
	return "user-" + a.Identity
}
// ApplyEvent to the aggregate state.
func (a *User) ApplyEvent(lis ...event.Event) {
	for _, e := range lis {
		switch e := e.(type) {
		case *UserCreated:
			a.Identity = e.Identity
			a.CreatedAt = e.EventMeta().CreatedDate
        /* ... */
		}
	}
}
Events

Events are applied to the aggregate. They are defined by adding the event.Meta and implementing the getter/setters for event.Event

type UserCreated struct {
	eventMeta event.Meta

	Identity string
}

func (c *UserCreated) EventMeta() (m event.Meta) {
	if c != nil {
		m = c.eventMeta
	}
	return m
}
func (c *UserCreated) SetEventMeta(m event.Meta) {
	if c != nil {
		c.eventMeta = m
	}
}
Reading Events from EventStore

With a domain object that implements the event.Aggregate the event store client can load events and apply them using the Load(ctx, agg) method.

// GetUser populates an user from event store.
func (rw *User) GetUser(ctx context.Context, userID string) (*domain.User, error) {
	user := &domain.User{Identity: userID}

	err := rw.es.Load(ctx, user)
	if err != nil {
		if err != nil {
			if errors.Is(err, eventstore.ErrStreamNotFound) {
				return user, ErrNotFound
			}
			return user, err
		}
		return nil, err
	}
	return user, err
}
OnX Commands

An OnX command will validate the state of the domain object can have the command performed on it. If it can be applied it raises the event using event.Raise() Otherwise it returns an error.

// OnCreate raises an UserCreated event to create the user.
// Note: The handler will check that the user does not already exsist.
func (a *User) OnCreate(identity string) error {
    event.Raise(a, &UserCreated{Identity: identity})
    return nil
}

// OnScored will attempt to score a task.
// If the task is not in a Created state it will fail.
func (a *Task) OnScored(taskID string, score int64, attributes Attributes) error {
	if a.State != TaskStateCreated {
		return fmt.Errorf("task expected created, got %s", a.State)
	}
	event.Raise(a, &TaskScored{TaskID: taskID, Attributes: attributes, Score: score})
	return nil
}
Crud Operations for OnX Commands

The following functions in the aggregate service can be used to perform creation and updating of aggregates. The Update function will ensure the aggregate exists, where the Create is intended for non-existent aggregates. These can probably be combined into one function.

// Create is used when the stream does not yet exist.
func (rw *User) Create(
  ctx context.Context,
  identity string,
  fn func(*domain.User) error,
) (*domain.User, error) {
	session, err := rw.GetUser(ctx, identity)
	if err != nil && !errors.Is(err, ErrNotFound) {
		return nil, err
	}

	if err = fn(session); err != nil {
		return nil, err
	}

	_, err = rw.es.Save(ctx, session)

	return session, err
}

// Update is used when the stream already exists.
func (rw *User) Update(
  ctx context.Context,
  identity string,
  fn func(*domain.User) error,
) (*domain.User, error) {
	session, err := rw.GetUser(ctx, identity)
	if err != nil {
		return nil, err
	}

	if err = fn(session); err != nil {
		return nil, err
	}

	_, err = rw.es.Save(ctx, session)
	return session, err
}

⤋ Read More
marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

RT by @mind_booster: As declarações do Chanceler Alemão Olaf Scholz deram ânimo às intenções dos governos de Portugal e Espanha para uma eventual expansão da rede de gás natural fóssil podendo colocar em causa os objetivos europeus de combate às alterações climáticas. https://zero.ong/zero-tem-enormes-duvidas-sobre-expansao-e-interconexao-iberica-da-rede-de-gas/
As declarações do Chanceler Alemão Olaf Scholz deram ânimo às intenções dos governos de Portugal e Espanha para uma eventual expansão da rede de gás na … ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (3y ago)

The XMPP Standards Foundation: Mid Term Evaluation Updates
It’s been a month since I wrote my last blog. For those of you who have been following my blogs, thanks a lot for taking the time to read them. In this blog, I will give the updates post mid-term evaluation and the challenges that I have been facing and how I overcame some of them.

The Mid-Term Evaluation

For those of you who don’t know much about GSoC, a mid-term evaluat … ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

**RT by @mind_booster: [¼]
Terminou ontem a consulta pública do projeto Aproveitamento Hidráulico de Fins Múltiplos do Crato (Barragem do Crato) a que a ZERO dá parecer negativo

❌Dinheiro do PRR vai ser usado p/ projeto sem sentido e promotor de impactes ambientais e sociais negativos

👇(continua)**
[¼]

Terminou ontem a consulta pública do projeto Aproveitamento Hidráulico de Fins Múltiplos do Crato (Barragem do Crato) a que a ZERO dá parecer negativo

❌Dinheiro do PRR vai ser usado p/ projeto sem sentido e p … ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

RT by @mind_booster: Two related stories this month show capitalism’s incompatibility with human and non-human flourishing. First, a study found all rainwater on earth is unsafe to drink because it’s contaminated with the ‘forever chemicals’ Per- and poly-fluoroalkyl (PFAS). 🧵https://www.euronews.com/green/2022/08/04/rainwater-everywhere-on-earth-unsafe-to-drink-due-to-forever-chemicals-study-finds
Two related stories this month show capitalism’s incompatibility with human and non-human flourishing. First, a st … ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

RT by @mind_booster: Amanhã no HopSin Brewpub em Colares entre as 18h30 e as 19h30 apareçam para ajudar a traduzir o Nextcloud @Nextclouders Também se podem juntar online. Vejam aqui como: https://ansol.org/eventos/2022-08-11-traducoes-nextcloud/
Amanhã no HopSin Brewpub em Colares entre as 18h30 e as 19h30 apareçam para ajudar a traduzir o Nextcloud @Nextclouders Também se podem juntar online. Vejam aqui como: [ansol.org/eventos/2022-08-11…](https://ansol.org/ev … ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

RT by @mind_booster: A complacência com que tratamos empresas monopolistas deixa-me sem palavras para qualificar estas práticas. Isto viola quase todas as regras de concorrência e boas práticas de mercado. href=”https://txt.sour.is/search?q=%23microsoft”>#microsoft**
A complacência com que tratamos empresas monopolistas deixa-me sem palavras para qualificar estas práticas. Isto viola quase todas as regras de concorrência e boas práticas de mercado. #microsoft

![](https://nitter.net/pic/media%2FFZzK-pbXoAEoeJp. … ⌘ Read more

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cosmix_org
feeds.twtxt.net
 (3y ago)

The ‘West’ is losing. How could it not?
I’m pretty sure that February 24th, 2022 is going to be written in the history books, if those books ever get written and we’re not all subsumed in an imminent nuclear winter. The predictability of a Europe, and later United States-dominated world, where the ‘West’ ruled and enjoyed unprecedented levels of comfort, material wealth and peace and the rest of the world either suffered or gradually developed, feeding from the leftovers of Western consumption, i … ⌘ Read more

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github_blog
feeds.twtxt.net
 (3y ago)

Dependabot now alerts for vulnerable GitHub Actions
GitHub Actions gives teams access to powerful, native CI/CD capabilities right next to their code hosted in GitHub. Starting today, GitHub will send a Dependabot alert for vulnerable GitHub Actions, making it even easier to stay up to date and fix security vulnerabilities in your actions workflows. ⌘ Read more

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github_blog
feeds.twtxt.net
 (3y ago)

New request for comments on improving npm security with Sigstore is now open
Supply chain attacks exploit our implicit trust of open source to hurt developers and our customers. Read our proposal for how npm will significantly reduce supply chain attacks by signing packages with Sigstore. ⌘ Read more

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github_blog
feeds.twtxt.net
 (3y ago)

All GitHub Enterprise users now have access to the security overview
Today, we’re expanding access to the GitHub security overview! All GitHub Enterprise customers now have access to the security overview, not just those with GitHub Advanced Security. Additionally, all users within an enterprise can now access the security overview, not just admins and security managers. ⌘ Read more

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jlelses-blog
feeds.twtxt.net
 (3y ago)

I started working on plugins for GoBlog using a Go module I recently discovered: yaegi. It still feels like magic, because Go is typically a compiled language and yaegi makes it dynamic by embedding an interpreter. Is this overkill for GoBlog or does this possibly enable flexibility like WordPress plugins? ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (3y ago)

Dino: Stateless File Sharing: Base implementation
The last few weeks were quite busy for me, but there was also a lot of progress.
I’m happy to say that the base of stateless file sharing is implemented and working.
Let’s explore some of the more interesting topics.

File Hashes

File hashes have some practical applications, such as file validation and duplication detection.
As such, they are part of the [metadata element](https://xmpp.org/extensio … ⌘ Read more

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github_blog
feeds.twtxt.net
 (3y ago)

Release Radar · July 2022 Edition
While some of us have been wrapping up the financial year, and enjoying vacation time, others have been hard at work shipping open source projects and releases. These projects include everything from world-changing technology to developer tooling, and weekend hobbies. Here are some of the open source projects that released major version updates this July. […] ⌘ Read more

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marcos-marado-atmind_booster
feeds.twtxt.net
 (3y ago)

**RT by @mind_booster: [¼]
✈️Novo passo na expansão ilegal do Aeroporto da Portela prejudicará severamente milhares de cidadãos.

⚠️Foi iniciado processo de consulta pública sobre portaria que passará a permitir voos noturnos sem limites.

(Continua 👇)**
[¼]

✈️Novo passo na expansão ilegal do Aeroporto da Portela prejudicará severamente milhares de cidadãos.

⚠️Foi iniciado processo de consulta pública sobre portaria que passará a permitir voos noturnos sem limites.

(Continua 👇)

![](https://nitter.net/pic/me … ⌘ Read more

⤋ Read More