- Must declare a func before let func call itself recursively. Otherwise compile error
- Loop will reuse variable address, so a new variable must be declared to get loop variable value if the value will be used later in closure
- Must not just pass loop variable to later use, otherwise will just reuse the last value
- Declare a new variable to get the value if you need use it later
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spring.jpa.open-in-view spring boot 的 property, spring.jpa.open-in-view 預設是開啟的 開啟的話, OpenSessionInViewInterceptor 就會介入 收到 web request 的時候... -
Introduction One day, Cassandra stop listening for thrift client until restart it manually. After checking Cassandra log, found it enco...
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題目 每個伺服器支援不同的 TPM (transaction per minute) 當 request 來的時候, 系統需要馬上根據 TPM 的能力隨機找到一個適合的 server. 雖然稱為 "隨機", 但還是需要有 TPM 作為權重. 解法 別名演算法...
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