Uncategorized – Page 73 – Türker Yıldırım

Larger runners, and the pipeline that was memory-bound

Deep diveDecember 13, 202210 min read

October, larger runners, and a build that was swapping. A Node build that used 6 GB on a 7 GB runner.

The dynamic property that had been a typo since 2016

Deep diveDecember 13, 202214 min read

8.2 on 8 December deprecates dynamic properties, and the deprecation is the feature. $order->totl has been silently creating a property for six years.

Autowiring by argument name is a footgun with a nice name

NoteDecember 13, 20222 min read

When two services share an interface, Symfony resolves the ambiguity using the parameter name, which makes a rename a behaviour change. A parameter name becoming part of the…

__destruct runs at an unpredictable moment, and may not run

NoteDecember 10, 20222 min read

A destructor runs when the last reference is dropped, which is not the same as when the variable goes out of scope, and not at all on a…

OPTIMIZE TABLE is a rebuild wearing a friendly name

NoteDecember 8, 20222 min read

For InnoDB, OPTIMIZE TABLE is mapped to an ALTER TABLE … FORCE, which copies the whole table. The friendly name is the problem: it sounds like a maintenance…

A readonly class is readonly on every property

NoteDecember 8, 20222 min read

Writing readonly on every property of a value object was the only way to say something the class as a whole was trying to say. The class modifier…

A readonly class may only be extended by a readonly class

NoteDecember 8, 20222 min read

Inheritance is constrained in one direction only, which means a readonly base cannot be subverted and a mutable base can still be tightened. The symmetry is the surprise:…

The webhook we sent, and the retries we owed

Deep diveDecember 7, 202210 min read

Being the sender, for the first time, and the obligations that come with it. A customer endpoint that was down for six hours.

null, false and true as standalone types

NoteDecember 7, 20222 min read

false had been usable only as part of a union since 8.0, and null and true could not be written at all. Narrowing a return type in a…

Suspense for data needs a library, still

NoteDecember 6, 20221 min read

Suspense works for lazy-loaded components and there is no supported way to suspend on a data fetch in application code. Throwing a promise is what the libraries do…