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Unicode equivalents for \w and \b in Java regular expressions?
...ent wish to see that done (with some sort of open-source licence, probably BSD or ASL). I'm probably going to change the API from what it is in this alpha prototype, clean up the code, etc. But it helps us out tremendously, and we figure it will help others, too. I really wish Sun would do something...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... Yes, thanks indeed it improves somewhat. I now get about 4.1-4.3 Gflops, or 1.55 flops per cycle. And no, in this example -O2 didn't loop unroll.
– user1059432
Dec 5 '11 at 18:37
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What is the difference between quiet NaN and signaling NaN?
...eference Manual - ARMv8, for ARMv8-A architecture profile - DDI 0487C.a A1.4.3 "Single-precision floating-point format":
fraction != 0: The value is a NaN, and is either a quiet NaN or a signaling NaN. The two types of NaN are distinguished by their most significant fraction bit, bit[22]:
bit[22]...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...值
@smin(x1,x2,…,xn) 返回x1，x2，…，xn中的最小值
例4.3 给定一个直角三角形，求包含该三角形的最小正方形。
解：如图所示。
求最小的正方形就相当于求如下的最优化问题：
LINGO代码如下：
model:
sets:
object/1..3/:...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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/*
* Check the flags.
*/
if (msg->msg_flags & MSG_OOB) /* Mirror BSD error message compatibility */
return -EOPNOTSUPP;
ipc.opt = NULL;
ipc.tx_flags = 0;
ipc.ttl = 0;
ipc.tos = -1;
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
fl4 = &inet->cork.fl.u.ip4;
if ...