kenn

7 ms·

1.
by kenn 3y ago
Experienced solo Rails dev here. I'm on Remix / Drizzle ORM / Render.com / Render Postgres / Cloudflare R2 / DaisyUI + shadcn/ui these days. Drizzle can be a bit tricky if you're coming from ActiveRec
2.
Elephant in the Room: Database Backup(blog.dumper.io)
2 points by kenn 8y ago|0 comments
3.
Showdown: MySQL 8 vs. PostgreSQL 10(blog.dumper.io)
101 points by kenn 8y ago|97 comments
4.
by kenn 11y ago
It would be slow on MySQL, though. If you EXPLAIN that query, it's a DEPENDENT SUBQUERY which has to fetch N*M records. It would be mitigated if the columns are property indexed, but two separate queries (N+M) just as eager loading wou
5.
by kenn 11y ago
That works, but what if there are thousands of comments? Initializing N*M AR objects could be even slower than N+1 queries. I wish if we could do something like: has_one :approved_comments_count, -> { select(:post_id, 'COUNT(comment
6.
by kenn 14y ago
This is actually like JSON, but with better parse-ability and aggregate-ability by UNIX commands.
7.
LTSV - Labeled TSV: Extensible Log Format for Web Servers(ltsv.org)
7 points by kenn 14y ago|1 comments
8.
by kenn 14y ago
Thank you. I think you made a good point - by not charging I may be actually making people skeptical. We even have a vibrant developer community on bots and extensions, but it's barely known (shit, I realized that it's not even mentioned on
9.
by kenn 14y ago
As a founder of http://lingr.com , I know firsthand how hard to build a chat app and make it sustainable. I've been working on it since 2006, first as a startup, then as my personal side project. I've learned to not invest too much on the
10.
by kenn 14y ago
The title is misleading. They will no longer accept new signups, but continue to work.
11.
by kenn 14y ago
SaaS. http://dumper.io/ and http://uptimer.at/
12.
by kenn 14y ago
Validate if he/she's a good fit for your team first. Usually it takes time. Equity has a permanent effect and you don't want to make a decision in haste.
13.
by kenn 14y ago
I wanted an easy-to-use backup service that just works, but everything I was able to find sucked. So I created one myself. :)
14.
Show HN: Dumper.io - Backup to S3 without cron for MySQL, MongoDB and Redis(dumper.io)
4 points by kenn 14y ago|1 comments
15.
by kenn 14y ago
As to MongoDB, in case you only have two members in a replica set, you add an arbiter, not strictly three members. An arbiter is indeed a lightweight mongod process that doesn't have storage, and should be added to break the tie when you ha
16.
by kenn 14y ago
I wanted a website monitoring tool that just works, but every tool I could find sucked. So I created one myself. :)
17.
Uptimer: Website Monitoring Made Awesome(uptimer.at)
8 points by kenn 14y ago|2 comments
18.
by kenn 14y ago
Randomness is an interesting topic indeed. For instance, up until 2012 introduced with Ivy Bridge, a true hardware-based random number generator hasn't been available to the masses. ( http://en.wikipedia.org/wiki/RdRand ) what we believe