# 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/ng3fxrq
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一文掌握線程池實現原理**
線程池簡介-----Java 在使用線程執行程序時，需要調用操作系統內核的 API 創建一個內核線程，操作系統要爲線程分配一系列的資源；當該 Java 線程被終止時，對應的內核線程也會被回收。因此，頻繁的創建和銷燬線程需要消耗大量資源。此外，由於 CPU 核數有限，大量的線程上下文切換會增加系統的性能開銷，無限制地創建線程還可能導致內存溢出。爲此，Java 在 JDK1.5 版本中引入了線程池。線 ⌘ Read more