sweemengpg_stat_statements are your friendLet me tell you a story of the day our users face slowness in our application. As we investigate further, we found out that our RDS…·2 min read·Feb 26, 2023----
sweemengSetting content-disposition in S3Not too long ago, I had this problem. We need to allow users to download json files hosted S3 through a signed URL, but the user on browser…·2 min read·Feb 19, 2023----
sweemengResetting PostgreSQL sequenceOne afternoon one of the developers in the team was unable to insert records into the staging database. It raised the following error, on…·2 min read·Feb 19, 2023----
sweemengGet micropython to work with TTGO T-Display RP2040Recently I got a TTGO T-Display RP2040. This is a development board based on the Raspberry Pi RP2040 microcontroller. This board features…·2 min read·Sep 17, 2022----
sweemengSound Recognition on Wio Terminal: Part 4 — Deploy to deviceThis is part four of the Tiny ML Project, Edge Impulse is covered in in Part three.·3 min read·Nov 7, 2021----
sweemengSound Recognition on Wio Terminal: Part 3 — Edge ImpulseThis is part 3 of a series of tutorial setting up a Neural Network to the Wio Terminal. The data processing part is in…·4 min read·Nov 7, 2021----
sweemengSound Recognition on Wio Terminal: Part 2 — FSD50K DatasetThe FSD50K dataset is a dataset from Free Sound. It contains around 50k sound clip from https://freesound.org/. It is labelled with label…·3 min read·Nov 7, 2021----
sweemengSound Recognition on Wio Terminal: Part 1 — IntroI have done my introduction to the Wio terminal at my previous post. This device can run TensorFlow lite micro. Meaning it can run a small…·2 min read·Nov 7, 2021----
sweemengIntroducing Wio TerminalSeeed Studio have contacted me on a collaboration on creating content with Wio Terminal. I agreed and I get a device. The Wio Terminal is…·2 min read·Oct 12, 2021----
sweemengM5Stack AvatarM5Stack is a series of ESP32 based hardware with screen and buttons. I used it briefly with a PM2.5 sensor. As well have screen and…·2 min read·Sep 5, 2021----