Shalvah

Builder, explorer, writer. APIs, dev tools, automation. Advocate of simple design.

Lagos, Nigeria Joined on Jan 2, 2018 http://shalvah.me

Work

Software Engineer

Shalvah

Jan 18

Serialization

15 min read

PsySh - More than just REPL

Great article! I use Tinker all the time to run one-off jobs ...

Jan 8

Node.js error-handling gotcha: synchronous errors from an asynchronous function

Ah, crap. Fixed, thanks.

Nov 8 '21

My book on observability

Thanks!

Oct 31 '21

7 interesting deprecated JavaScript features

Awesome article!

Aug 7 '21

Is Dev.to victim of its own success?

Just want to add: checked out the /manage functionality, and ...

Jul 8 '21

Running non-blocking code in PHP with Amp

Interesting suggestion. I'm not sure how much time it would h...

May 16 '21

Exposing sequential IDs is bad! Here is how to avoid it.

I think a hashid might be a better idea for that second use c...

Mar 29 '21

Goodbye Offline Page

Had this issue too.

Mar 20 '21

View all 128 comments

Shalvah

Nov 7 '21

Node.js error-handling gotcha: synchronous errors from an asynchronous function

#javascript #node

9 2

3 min read

Shalvah

Nov 1 '21

Experimenting in production

5 min read

Shalvah

Oct 19 '21

My book on observability

5 2

2 min read

Shalvah

Oct 15 '21

"Proving" time complexity empirically

7 min read

Shalvah

Oct 8 '21

A practical tracing journey with OpenTelemetry on Node.js

17 min read

Shalvah

Oct 4 '21

Fixing the Host Header vulnerability with Nginx

4 min read

Shalvah

Jul 30 '21

Implementing programmatic file transformations in PHP, Part 2

10 min read

Shalvah

Jul 24 '21

Implementing programmatic file transformations in PHP

24 min read

Shalvah

Jul 8 '21

Monkey-patching the Express router

8 min read

Shalvah

May 20 '21

Experiments in concurrency 4: Multiprocessing and multithreading

12 min read

Shalvah

Apr 29 '21

Experiments in concurrency 3: Event loops

13 min read

Shalvah

Apr 20 '21

Experiments in concurrency 2: Coroutines

8 min read

Shalvah

Apr 7 '21

Experiments in concurrency 1: Single-threaded webservers in PHP and Node.js

8 min read

Shalvah

Mar 5 '21

Understanding Lockfiles

12 min read

Shalvah

Mar 1 '21

When Alternatives are Unhelpful: A Ruby Case Study

6 2

4 min read

Shalvah

Feb 26 '21

Promises don't hold up the event loop

1 min read

Shalvah

Feb 24 '21

Good Design is Analogous and Intuitive

5 min read

Shalvah

Feb 20 '21

Living with your (tech) choices

#javascript #php #programming

6 min read

Shalvah

Feb 12 '21

Unconventional Databases

8 min read

Shalvah

Feb 11 '21

Understanding Percentiles

6 min read

Shalvah

Feb 10 '21

Improving Reliability, Part 1

4 1

7 min read

Shalvah

Jan 4 '21

Comparing function handles across languages

8 5

11 min read

Shalvah

Dec 7 '20

A shallow dive into auto-instrumenting Node.js applications with Elastic APM

#javascript #elasticsearch #node

21 2

5 min read

Shalvah

Nov 13 '20

Running non-blocking code in PHP with Amp

#javascript #webdev #php

19 2

5 min read

Shalvah

Sep 18 '20

Fun stuff: representing arrays and objects in query strings

#javascript #php #node

14 1

5 min read

Shalvah

Aug 4 '20

Building thisvid.space's /open page

#programming #node #webdev #javascript

22 1

8 min read

Shalvah

May 12 '20

On costs and contexts

#career #programming #learning #codequality

35 4

5 min read

Shalvah

Apr 16 '20

What's the big deal about immutability?

#immutability #javascript #architecture #php

41 8

4 min read

Shalvah

Apr 15 '20

Helpful Node.js testing utilities

#testing #javascript #node

20 2

3 min read

Shalvah

Nov 8 '18

What's software development like as a non-native English speaker?

#discuss #webdev #programming #beginners

29 32

1 min read

Shalvah

Aug 21 '18

I was bored, so I made my website into a Node package. Here's how.

#showdev #node #beginners #javascript

119 7

8 min read

Shalvah

Aug 7 '18

A different syntax for enforcing business requirements

#showdev #cleancode #webdev #php

2 min read

Shalvah

Jun 26 '18

Pro tip: using Promise.then for function composition

#javascript #promises #functional

63 13

1 min read

Shalvah

Jun 6 '18

How to build a realtime spreadsheets application with Pusher Channels - Part 4: Automatically cleaning up empty documents

#php #pusher #laravel #realtime

5 min read

Shalvah

Jun 6 '18

How to Build a Realtime Spreadsheets Application with Pusher Channels - Part 3: Showing current viewers

#pusher #realtime #php #laravel

5 min read

Shalvah

Jun 6 '18

How to build a realtime spreadsheets application with Pusher Channels - Part 2: Implementing realtime collaboration

#php #laravel #pusher #realtime

7 min read

Shalvah

Jun 6 '18

How to build a realtime spreadsheets application with Pusher Channels - Part 1: Users and spreadsheets

6 min read

Shalvah

May 14 '18

Meet Burns: cleaner application events for Node.js

#showdev #javascript #laravel #events

31 2

1 min read

Shalvah

Mar 1 '18

Data constraints: database layer or app logic?

#discuss #sql #architecture

7 5

1 min read

Shalvah

Feb 26 '18

Eliminating Hidden Dependencies

#php #dependencies #architecture #javascript

6 min read

Shalvah

Jan 2 '18

How to Build Twitter's Real-time Likes with Laravel Event Broadcasting

#realtime #php #laravel #pusher

43 1

11 min read

Shalvah

Jan 2 '18

How to Build Twitter’s Real-time Likes Feature with Node.js and Pusher

#pusher #node #javascript #realtime

23 1

7 min read

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Recent comments

PsySh - More than just REPL

Node.js error-handling gotcha: synchronous errors from an asynchronous function

My book on observability

7 interesting deprecated JavaScript features

Is Dev.to victim of its own success?

Running non-blocking code in PHP with Amp

Exposing sequential IDs is bad! Here is how to avoid it.

Goodbye Offline Page