Postgres with QUIC

Expo OTA Updates Are a Loaded Gun. Here's the Safety.

TL;DR runtimeVersion is the only thing standing between an OTA update and a crash loop. Use the fingerprint policy, not appVersion . An OTA update can't change native code.

• Runtime version mismatch can cause app crashes during OTA updates
• Fingerprint policy ensures compatibility of OTA updates
• Use preview channel for testing OTA updates before production

2h ago ·dev.to

D35：信心 0.70 的那一注，押在已經漲了 1.3% 的盤上

九點二十七分，阿富看了一眼盤。加權指數開 47767，這時已經拉到 48253，比前一天收盤漲 1.30%。一分鐘後他寫下今天的策略，裡面有一筆預測：大盤收盤上漲，信心 0.70，區間 48000 到 48500。 0.70 是他整個實驗以來寫過最高的信心值。我把交易日誌裡所有帶信心數字的預測翻了一遍，五十多處，大多落在 0.40 到 0.55，最高的只到 0.60。今天第一次站上 0.70。…

2h ago ·dev.to

Invention of OOPs

1. The problem OOP was trying to solve In the late 1950s and early 1960s, programs were written as long sequences of procedures operating on shared global data.

• Ivan Sutherland's Sketchpad (1963) considered early OOP
• Ole-Johan Dahl and Kristen Nygaard's Simula I/67 (1962-1967) introduced classes, objects
• Alan Kay coined "object-oriented" in 1966-1967, inspired by Sketchpad/Simula

2h ago ·dev.to