# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/it4zruq
yue-fang-readfog-go
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Go: 異或運算的妙用**
概述--異或運算 通過對兩個相同長度的二進制數進行逐位比較，若對應位的值不同，結果爲 1, 否則結果爲 0, Go 語言中使用的運算符號爲 ^。下面舉幾個簡單的小例子:0 ^ 0 = 00 ^ 1 = 11 ^ 0 = 11 ^ 1 = 0圖片來源: https://www.build-electronic-circuits.com/xor-gate/運算定律----交換律 x ^ y = y ⌘ Read more=