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Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Deadlock found when trying to get lock; try restarting transaction
我在update数据库的时候出现的死锁 数据库表死锁 Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Deadlock found when trying to get lock; try r ...
分类:数据库   时间:2019-02-01 17:16:27    阅读次数:891
CUDA_ERROR_OUT_OF_MEMORY
In case it's still relevant for someone, I encountered this issue when trying to run Keras/Tensorflow for the second time, after a first run was abort ...
分类:其他好文   时间:2019-01-29 22:02:13    阅读次数:461
telent connection refused
1.问题场景 Centos7 做flume案例时,telnet hadoop-senior03.itguigu.com 44444 总是Connection redused, Trying 192.168.10.22...telnet: connect to address 192.168.10.2 ...
分类:其他好文   时间:2019-01-25 16:03:20    阅读次数:287
安装anaconda和python3.7环境
安装anaconda和python3.7 安装matplotlib报错(参考https://github.com/conda/conda/issues/6007)# 设置源为清华conda config --add channels https://mirrors.tuna.tsinghua.edu ...
分类:编程语言   时间:2019-01-24 16:31:06    阅读次数:2207
TPO-18 C2 Possible participation in a sociology project
"TPO 18 C2 Possible participation in a sociology project" 第 1 段 1.listen to a conversation between a student and his sociology professor. 听下面一段学生和社会学教 ...
分类:其他好文   时间:2019-01-22 23:05:18    阅读次数:318
线程池Python 线程、进程和协程
Threading是用于提供线程相关的操作,线程是应用程序中工作的最小单元。线程与进程的关系下图所示: 子线程是由主线程产生的,但两者并没有关联。 利用threading创建线程: 上述创建了两个线程t1和t2,然后控制器就交给了CPU,CPU根据指定算法进行调度,分片执行指令。 更多方法: sta ...
分类:编程语言   时间:2019-01-22 19:42:17    阅读次数:172
[Python Debug] SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame.
I Got a SettingWithCopyWarning when I ran the following code: The details of the Warning are : Then I got the inspiration from https://stackoverflow.c ...
分类:编程语言   时间:2019-01-19 13:15:17    阅读次数:1042
uart boot log
CC开始 xmodem 传输。 按 Ctrl+C 取消。 100% 95 KB 4 KB/s 00:00:23 0 ErrorsU-Boot SPL 2018.01 (Jan 16 2019 - 11:46:41)Trying to boot from UARTCCC开始 ymodem 传输。 按 ...
分类:其他好文   时间:2019-01-18 14:22:48    阅读次数:240
[Linux] Telnet提示:Unable to connect to remote host: No route to host
出错现象: [root@localhost ~]# telnet 192.168.1.128 Trying 192.168.1.128...telnet: connect to address 192.168.1.128: No route to host telnet: Unable to con ...
分类:Web程序   时间:2019-01-15 11:59:20    阅读次数:569
swoole 创建tcp服务器
server.php 1.执行程序,启动服务器 2. 启动成功后,netstat 查看 3. telnet连接服务器 退出telnet:shift+],quit 4. 结束工作进程:kill 主进程ID 参考:https://wiki.swoole.com/wiki/ ...
分类:其他好文   时间:2019-01-15 11:53:03    阅读次数:149
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