价格行为基础教学 认识K线形态 01 Price Action 价格行为基础教学 认识K线形态 01 Price Action 市场只有两种运动状态，趋势运动和非趋势运动。在每一根K线上也是一样，要么是趋势K线，要么是非趋势K线。 趋势K线 实体占K线主要部分，实体越长，影线越短，代表趋势能量越强，多空某一方完全控制了这根K线。过长的趋势K线也可能是高潮行情，能
Lab: networking Lab: networking In this lab you will write an xv6 device driver for a network interface card (NIC). Fetch the xv6 source for the lab and check out the
Lab thread: Multithreading Lab thread: Multithreading Uthread: switching between threads (moderate) In this exercise you will design the context switch mechanism for a user-leve
Lab cow: Copy-on-Write Fork Lab cow: Copy-on-Write Fork Implement copy-on write(hard) Your task is to implement copy-on-write fork in the xv6 kernel. You are
Lab traps: Traps Lab traps: Traps Backtrace (moderate) For debugging it is often useful to have a backtrace: a list of the function calls on the stack above the point
Lab pgtbl: page tables Lab pgtbl: page tables Speed up system calls (easy) Some operating systems (e.g., Linux) speed up certain system calls by sharing data in a read-only
Lab syscall: System calls Lab syscall: System calls System call tracing (moderate) In this assignment you will add a s
Lab util: Unix utilities Lab util: Unix utilities sleep (easy) Implement the UNIX program sleep for xv6; your sleep should pause for a user-specified number of t
