# 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/giaxawq
常見 Java 代碼缺陷及規避方式**
在日常開發過程中,我們會碰到各種各樣的代碼缺陷或者 Bug,比如 NPE、 線程安全問題、異常處理等。這篇文章總結了一些常見的問題及應對方案,希望能幫助到大家。問題列表空指針異常NPE 或許是編程語言中最常見的問題,被 Null 的發明者託尼 · 霍爾(Tony Hoare)稱之爲十億美元的錯誤。在 Java 中並沒有內置的處理 Null 值的語法,但仍然存在一些相對優雅的方式能夠幫助我們的規避 ⌘ Read more