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Have you ever worked with pipelines in Laravel?!

Probably you have heard it while having an interview?

It has lots of use cases and one of its usage is middleware implementation in its kernel.

I'm going to write about pipelines and its design pattern.

thread 🧵

 1/8

First of all Pipelines in Laravel are implemented based on chain of responsibility design pattern.

In chain of responsibility which is a behavioral design pattern we pass data to receivers and this receivers implement a specific interface that has a handler method.
2/8

Handler methods may deal with the passed argument and pass it to the next handler.

read more about the design pattern here :

https://t.co/XrJKXecyTv

Let's go for the main part :
3/8

Imagine we want to implement a twitter bot that gets some tweets around the trends and filter the words that we don't wanna show finally send as a new tweet from our bot.

About the filtering part, if it was me, I would implement it with pipelines.

Why?!
4/8

Currently I know exactly what words should be filtered but what about the future?! What if I want to add more filters, I will have to modify the source code and add more switch, if else statements, etc.

I want my code to be robust and maintainable keeping SOLID principles.
5/8

So I'm gonna use pipeline like this (picture) :

First I will have my initial filters and also give the ability to myself or other developers to add more filters without even seeing the code.

See the picture and lets go deeper and check the main interface and pipelines 😎
6/8

I have defined a contract for all of my filters, every new filter and existing filters must implement this interface and implement the filter method

As you can see in the previous picture we gave our method name "filter" passed to via()

Nothing more let's go for filters
7/8

This is one of the filters we have implemented as you can see everything is clear filter method gets an argument called $content which is the text we wanna filter and when we modify the content and remove bad words it calls the next receiver from pipelines filters we defined
8/8

That's it all.
This is the pipeline design pattern we have in Laravel.

As you can see there are a lot of advantages using this design pattern having SOLID standards.

But sometimes it's better to keep things simple when our program is not that big and you are alone...

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It occurs to me that certain private-jet-flying seditionists who continue to yammer on Twitter about their DC excursions provide us with the opportunity to do a little hypo to explore the benefits of silence.

So let's explore what a hypothetical law enforcement interview *might* look like in this situation. I'm not - I want to make clear - drawing from experience as a lawyer here.

I AM NOT A CRIMINAL LAW ATTORNEY.

Instead, I'm mostly drawing from discussions with my father-in-law.

My father in law is a now-retired homicide cop, and we've had a lot of discussions (especially since I started law school) about criminals and interviews over the years.

So with that in mind, let's look at this hypo.

ALSO - Simplifying for Twitter character counts.

*Knock*
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Agent: Ms [Name]? I'm Agent Smith, and this is Agent Jones. We're with Agency. We'd like to talk to you if you've got a minute.

Ms X: Oh? Is this about that thing at the Capitol?

[Yes, it seems insane but if you're worried about something specific and the cops show up, blurting out something like that is totally a thing that can happen.]
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Why does Your Manager’s Manager (YMM) request a deck/doc during a meeting, says it’s urgent, and then doesn’t respond for days after you create & send it?

Or, why does YMM often respond with trivial feedback (e.g. formatting) & not substantive feedback?

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Have you set an entirely new password on a site & said to yourself: “surely, I’ll remember it becos this site is so important for me”. Have you then gone on to forget that password the very next week?

Me too.

The reason for YMM’s odd behavior & my password optimism is the same.

That reason is the Focusing Illusion, first described by Daniel Kahneman.

The Focusing Illusion:
Nothing in life is as important as you think it is while you are thinking about it.

When YMM asked you to create that doc as one of the follow up actions during the Product Review, YMM fell prey to the Focusing Illusion.

Trust me, YMM had no intention of making you do busywork.

YMM truly believed that it was very impt & urgent to create that doc & review it.

This was YMM’s conception of how much of their future time was appropriate to spend on the item for which they requested that doc (Item A):
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The Creative Process in 43 Hayao Miyazaki Screengrabs

(Context: https://t.co/nqjmAtLAND)
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Russ Bengtson
@russbengtson
the whole point of Dunks was you could go cop them at VIM whenever you wanted for $65. this shit is like having to enter a raffle to buy milk.


like seriously why not make a ton more of them if they're gonna be so sought-after? they land at outlets? so? nike still makes money off that.

the only reason to keep making them so limited is that they KNOW all that matters is the profit on the flip and if they were readily available FEWER people would want them, not more

the whole system is super broken, but it's just gonna go the way it goes, because at this point it all caters to the secondary market. the only reason Nike can sell Jordan 1s for $200 is because the people buying them can flip them for $500

adjusted for inflation, a $65 AJ1 in 1985 is like $160—and modern-day AJ1s are made from cheaper materials in factories staffed by cheaper workers. they don't HAVE to be $200 retail. but the secondary market nuked the whole concept of what sneakers are "worth"
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John Sifton
@johnsifton
With Myanmar, it seems that some are raising questions about the efficacy of sanctions and concerns about unintended consequences. It’s time for a “Myth and Realities” guide. THREAD. #WhatsHappeningInMyanmar


Myth: Human rights groups are calling for blanket sanctions on Myanmar.
 
Reality: This is false. Most human rights groups are calling for targeted measures directed solely at the military of Myanmar and companies it owns and which give revenue directly to it.

We are talking about the conglomerates and corporations that control the country’s natural resources, including the concessions for extractive sectors (oil and gas, timber, and mining of gemstones, jade, and valuable metals).

We’re calling on governments to focus on revenues and block transactions or seize government or state assets only where there is credible information that the military or its leaders are looting or acquiring state revenues or redirecting it to them.

Myth: Even if tailored narrowly, targeted sanctions will have major negative impacts on the people of Myanmar.
 
Reality: There are all kinds of ways to prevent unintended consequences on the broader Myanmar economy.
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Did you know?

When Saudi Arabia's King visited India in 1955, PM Nehru ordered all the Hindu Temples and Idols of Hindu Deities that came in Saudi King's way to be covered up.
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If u are looking to enter a scrip just before the breakout
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