Hi everyone, welcome to first issue of November. This week, where I live, red leaves start to emerge and my family went outside, enjoy seeing the beautiful color of autumn. Social media had been a tough week with Twitter and Elon, same as finance system and crypto drama. The world looked so depressing, but no matter what, being a programmer, knowing how to code is really a privilege, we have a way to make a living while sitting at a deck doing thing we enjoy. No matter what happen, there will always a demand to make website, application or service and a continous stream of jobs require to run these things. We are thankful for the jobs and opportunities we had, be optimist and always leaning. on ward. have a good week everyone.
This week I shared a small tip to debug CI build failure easiser. If you ever debug some tricky CI failure and say to your self: “If I can SSH into this server or container that running the build, I will be able to figure out immediately”, then this could be very useful. It can also apply anytime we need to SSH back into some private infrastructure.
During the infrastructural exploration of a pipeline my team was building, we discovered a query that could have cost us nearly $1 million USD a month in BigQuery. Below, we’ll detail how we reduced this and share our tips for lowering costs in BigQuery.
Recently, the Chrome developers announced their decision to remove the behind-a-flag support for JPEG XL. Cloudinary argue(to which I agree) JPEG XL can bring these benefits without introducing a regression in other areas, at least in terms of technical strengths. We can only hope that the Chrome developers reverse their decision and help JPEG XL catch up with the old formats in terms of software support, so we can all enjoy the benefits it brings.
Almost web app needs to make call to third party API such as taking a payment, send out an email. By wrapping an adapter around each API, presenting only the features of that API the app needs, we can more easily manage and test the app.
when we run diff or git diff, we see a visualization of what were add, insert or delete? what algorithm power that?
If you’ve ever wanted to build a web app that you can control with hand gestures as if by magic, this article is for you. With a couple of APIs and some JavaScript, you can build apps that behave like sorcery.
BTree is the most common index type we used every day. For exact lookup, BTree probably best choice most of time, but if you’re looking for a range query, Brin maybe an option
We’re going to dig into some of the flexibility on architecting your database and terminology within Postgres and the trade-offs for different approaches.
When you tune performance for a system, very quickly you run into stuff like nofile, transaparent huge page which usually either has some high level command to set it, or sometime require you to change a
certain parameters by writing to /proc/sys/dev. So today we will have a look around it.
This is a step by step guide on how to become a DevOps engineer, with links to relevant learning resources. If you plan to become a DevOps engineer, could be a great learning resource.
AWS Lambda deployment requires a bundle of entire of your app and all dependencies, package in a certain structure. Zip it and ship it do exactly that, create a zip bundle for a lambda app in node go or rust and deploy to aws.
JavaScripta library for building concurrent applications in Ruby. Polyphony harnesses the power of Ruby fibers to provide a cooperative, sequential coroutine-based concurrency model. Under the hood, Polyphony uses io_uring or libev to maximize I/O performance.
RubyA Pure-go redis driver use RESP3 protocol. If you curios about writing driver, this is a great example
Goa cross-platform embeddable sandboxing library allowing restrictions to Filesystem and Network operations using native operating system APIs. It should be ued for education purpose only at this point
Rustexplain how does sleep() really work at hardware level
The Open Source Shopify Alternative. Medusa is a composable engine that combines an amazing developer experience with endless customizations for merchants to scale
a powerful, flexible, Markdown-based authoring framework to create blog or document site in markdown.
It answers thousands of questions about your infrastructure, and integrates with over 300 resources across cloud accounts, Kubernetes, containers, services, VMs, APIs, and more.
finds vulnerabilities and misconfigurations on all systems in your infrastructure including: public and private cloud environments, Kubernetes clusters, containers, container registries, servers and endpoints, SaaS products, infrastructure as code, APIs, and more.
A tool for seeing your Internet latency.
Gather statistics about physical disk access and CPU consumption done by backends
Lambda function for executing pg_dump and upload the output to s3. Can be useful to take a daily/hourly pg_dump of database
Audit trail with schema versioning for PostgreSQL using transaction-based logging
an UI to search and explore many free or open source icon set. one UI to rule them all.
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