Sohag Hasan (@sohag)

SHSohag Hasannotes.sohag.proJul 22 · 8 min read

Big Problem With Your List: You Ain't on It

Last Thursday I spent an hour and forty minutes stuck on the road from Banani to Mirpur, and I used every minute of it to build a case. The traffic was exhibit one. Then the dollar rate. Then a client

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SHSohag Hasannotes.sohag.proJul 14 · 11 min read

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Near the end of this build I did something I'd recommend to anyone who has just finished a big project and feels good about it: I handed the whole thing to a reviewer who had no stake in my feelings a

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SHSohag Hasannotes.sohag.proJul 13 · 11 min read

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

The first time a bank made me wait, I was annoyed. I was trying to send a fairly large transfer, tapped confirm, and instead of the usual "done" the app said the payment was "under review." Nothing mo

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SHSohag Hasannotes.sohag.proJul 12 · 7 min read

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

Open any budgeting app and look at the summary screen. It says you spent 620 on "Food" this month. But you never made a payment to something called Food. You bought groceries, you got coffee four time

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SHSohag Hasannotes.sohag.proJul 12 · 9 min read

The Exchange Rate Was Hiding in an Environment Variable

Last week I sent a little money across a border. The app showed me a rate, I tapped confirm, and the euros landed a moment later. Out of habit I checked the rate against a search engine, and the app's

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Sohag Hasan

About

Available for

Sohag Hasan's blogs

Recently published

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable

Sohag Hasan

About

Available for

Sohag Hasan's blogs

Recently published

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable

Sohag Hasan

About

Available for

Sohag Hasan's blogs

Recently published

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable

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Sohag Hasan

About

Available for

Sohag Hasan's blogs

Recently published

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable