YangSui yangsui9999

Tmux 快捷键 & 速查表

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：

tmux at [-t 会话名]

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

	from collections import namedtuple
	def convert(dictionary):
	return namedtuple('GenericDict', dictionary.keys())(**dictionary)

	"""
	>>> d = dictionary(a=1, b='b', c=[3])
	>>> named = convert(d)
	>>> named.a == d.a
	True
	>>> named.b == d.b