AI代码解释 // runtime/signal_unix.gofuncsetThreadCPUProfiler(hz int32){mp:=getg().m// 获取当前协程绑定的的线程M...spec:=new(itimerspec)spec.it_value.setNsec(1+int64(fastrandn(uint32(1e9/hz)))spec.it_interval.setNsec(1e9/int64(hz))// 设置间隔为 100000000/100 纳秒 = 10msvartim...
range可以接受4中类型,在下文中提到了在range中使用:=符号赋值的情况: The iteration variables may be declared by the "range" clause using a form of short variable declaration (:=). In this case their types are set to the types of the respective iteration values and their scope is the block ...
resultInfoPtr.intVal = C.int(resultInfo.intVal) resultInfoPtr.boolVal = C.bool(resultInfo.boolVal) copy((*[512]byte)(unsafe.Pointer(&resultInfoPtr.charArray))[:], []byte(resultInfo.charArray)) return C.int(0) // Return 0 or whatever error code you want to indicate success or failure } ...
// GOLANG PROGRAM TO CONVERT ARRAY TO SET// We can implement set using Map types.// Declare the package mainpackagemain// fmt package allows us to print anything on the screenimport"fmt"// start the function main ()// this function is the entry point of the executable programfuncmain(...
()) } e.UpdateParam += strings.Join(fieldNameArray, ",") } else if dataType == 2 { //直接=的情况 e.UpdateParam += data[0].(string) + "=?" e.UpdateExec = append(e.UpdateExec, data[1]) } //拼接sql e.Prepare = "update " + e.GetTable() + " set " + e.UpdateParam ...
t.SetNotInHeap(elem.NotInHeap()) return t } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. TARRAY是Array指针,以arr4为例,Go会生成一个连续空间,将第一个的地址给arr4第一个值*Type,长度给arr4的第二个值Bound。 fmt.Printf("arr4:%v &arr4:%p &arr4[0]:%v &arr4[1]:%v\n",arr4, &...
sli := array[0:8] slice := array[2:4] //只看头(从哪里切),不看尾,即顾头不顾尾... fmt.Println(cap(sli)) //10 fmt.Println(cap(slice)) //8 } Go 1.2 adds new syntax to allow a slicing operation to specify the capacity as well as the length. A second colon introduces the ca...
fd_set 的大小调整可参考 【原创】技术系列之 网络模型(二) 中的模型 2,可以有效突破 select 可监控的文件描述符上限 将fd 加入 select 监控集的同时,还要再使用一个数据结构 array 保存放到 select 监控集中的 fd,一是用于在 select 返回后,array 作为源数据和 fd_set 进行 FD_ISSET 判断。二是 select ...
// Set hashWriting after calling t.hasher, since t.hasher may panic, // in which case we have not actually done a write. h.flags ^= hashWriting ifh.buckets ==nil{ h.buckets = newobject(t.bucket)// newarray(t.bucket, 1)
golang基于websocket单台机器支持百万连接分布式聊天(IM)系统. Contribute to joolei/gowebsocket development by creating an account on GitHub.