- int8 int16 int32 int64
- uint8 uint16 uint32 uint64
- int uint : natural and most efficient size on a particular platform. Different compiler may choose different size. Don’t use int when int32 is needed.
- Type rune is a synonym for int32, indicate value is a unicode point
- Type byte is a synonym for int8
- Type uintptr is an unsined integer, width is not specified, used to hold a pointer value. For low level programming with C library.
- High-order is reserved for the sign of the number.
- Operator % applies only to integers
- Results of -5%3 and -5%-3 are both -2
- Result of 5.0/4.0 = 1.25
- Result of 5/4 = 1, it's treated as integer
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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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