Shuffled Records in Phoenix
Posted on: 2017-12-12 I've written previously about a way to query for records in a shuffled order that works for pagination. The TL;DR was: use a shuffled (not random) ordering, based on a prime integer parameter. SELECT whatever FROM table ORDER BY large_integer_field % prime_integer_parameter -- modulo to shuffle LIMIT 10 OFFSET 0; Reuse the prime_integer_parameter with OFFSET 10 for subsequent
Concurrency vs Parallelism and the Erlang Advantage
Posted on: June 23, 2017 Concurrency. Parallelism. These terms get used a lot in development discussions, and especially in Elixir and Erlang circles. But what do they mean? Let's talk about them using burritos! The Burrito Shop 🌯🌯 Suppose I work at a burrito shop. Two customers come in, and each orders a burrito. How do I get the work done? Burrito Strategy 1: Serial To do the work serially, I'
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
The Null Struct Pattern
Fast Full-text Search with Ecto and PostgreSQL
Validating Uniqueness in Ecto 2.2
