defTimeout(seconds,callback=None):"""Add a timeout parameter to afunctionandreturnit.:param seconds:float:超时时间:param callback:func|None:回调函数,如果为None则会直接抛异常:raises:HTTPExceptioniftime limit is reached""" defdecorator(function):defhandler(signum,frame):"""超时处理函数"""ifcall...
from timeimportsleep,timeimportsys,threadingreload(sys)sys.setdefaultencoding('utf-8')from multiprocessing.dummyimportPoolasThreadPool @timeout (1)defprocessNum(num):num_add=num+1# results.append(str(threading.current_thread())+": "+str(num)+" → "+str(num_add))sleep (2)returnstr(threadin...
sock=socket.socket(af, socket.SOCK_STREAM)iftimeoutisnotNone:try: sock.settimeout(timeout)except:passretry_on_signal(lambda: sock.connect(addr))#Break out of the loop on successbreakexceptsocket.error as e:#Raise anything that isn't a straight up connection error#(such as a resolution er...
set odps.function.timeout=xxx; 调整UDF运行超时时长。默认值为1800s。可根据实际情况酌情调大。取值范围为1s~3600s。 set odps.sql.executionengine.batch.rowcount=xxx; 调整MaxCompute一次处理的数据行数。默认值为1024行。可根据实际情况酌情调小。 网络问题 问题现象:调用MaxCompute UDF访问外网时,代码运行会报...
@timeout(5) def slow_function(): # Some time-consuming operations importtime time.sleep(10) return"Function completed successfully" try: result = slow_function() print(result) except TimeoutError: print("Function took too long to execute") ...
devs = pcapy.findalldevs()print(devs)# device, bytes to capture per packet, promiscuous mode, timeout (ms)cap = pcapy.open_live("eth0",65536,1,0) count =1whilecount: (header, payload) = cap.next()print(count) count = count +1 ...
从staging退回可用git reset,stage或者stash或者add或者shelf的change不会延续如果重新从local branch建一个branch 从commit退回可用git rollback Generator, (function that use yield instead of return) Return sends a specified value back to its caller whereas Yield can produce a sequence of values. We should...
正交编码器具有两个通道,即通道A 和通道B。 每个通道将生成具有 90 度相移的数字信号。 下图显示了典型正交编码器的波形: [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-bNNyQ3SV-1681873784542)(https://gitcode.net/apachecn/apachecn-cv-zh/-/raw/master/docs/learn-robot-py/...
import time import matplotlib.pyplot as plt # 修改COM4为你的com端口 ser = serial.Serial('COM4', 9800, timeout=1) time.sleep(2) data = [] for i in range(50): line = ser.readline() # read a byte string if line: string = line.decode() # convert the byte string to a unicode...
timeout_decorator原理: 它是利用子线程StoppableThread来执行目标函数,当指定时间到达,子线程还未结束,就强制结束子线程,然后抛出FunctionTimedOut异常,详见github.com/kata198/func_timeout/blob/master/func_timeout/dafunc.py。 去微博查看或评论 特别说明:该文章为鲲鹏数据原创内容 ,您除了可以发表评论外,还可以转...