我有多个线程使用同步作业启动器启动作业。当同时创建作业实例时,我会得到以下异常:
Exception in thread "pool-1-thread-1" org.springframework.dao.DataAccessResourceFailureException: Could not obtain last_insert_id(); nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Deadlock found when trying to g
我试图在ERHL (6)上启用AIO,在启用消息传递(HornetQ)的情况下运行JBossEAP6.1。我在日志类型中启用了ASYNCIO,但是当我启动服务器时,我得到:13:00:00,307 WARN [org.jboss.as.messaging] (MSC service thread 1-3) JBAS011600: AIO wasn't located on this platform, it will fall back to using pure Java NIO. If your platform is Linux, install LibAIO to enab
我曾尝试创建一个java CountDownLatch的python异步版本
class CountDownLatch:
def __init__(self, count=1):
if count == 0:
raise ValueError('count should be more than zero')
self.count = count
self.countdown_over = aio.Condition()
async def countdown(self):
所以基本上我一直在用python做一个AI岩布剪刀脚本,它可以工作,但只选择了纸,我需要它来选择不同的东西。问题在第29行和第46行之间。可能有一个简单的解决方案,但我似乎找不到它。请帮我编写noobie代码。 import random
import numpy as np
import matplotlib.pyplot as plt
x = 1
paper = 0
rock = 0
scissors = 0
plist = []
result = ""
def percentage(item, result):
total = rock + paper
当我在Windows8.1上运行通配符8.2.0时,在启动独立的完整配置文件时,会在日志中得到以下警告:
WARN [jacorb.codeset] (MSC service thread 1-8) Warning - unknown codeset (Cp1252) - defaulting to ISO-8859-1
WARN [org.jboss.as.messaging] (MSC service thread 1-2) JBAS011600: AIO wasn't located on this platform, it will fall back to using p
我想用dplyr概括一张表格。以下是我要进行的工作:
我有一个这样的data.frame:
year region week site species gps_clutch
2017 sud 18 6 au 337
2017 sud 20 10 au 352
2017 sud 22 10 au 352
2017 sud 24 10