我刚刚开始学习rabbitmq。所以,在用java客户端在rabbitmq中做一些基本的事情时,我遇到了下面的问题
Exception in thread "main" java.util.concurrent.TimeoutException
at com.rabbitmq.utility.BlockingCell.get(BlockingCell.java:76)
at com.rabbitmq.utility.BlockingCell.uninterruptibleGet(BlockingCell.java:110)
at com.rabbitmq
这是我在尝试执行使用网络连接查找位置的代码时得到的日志的打印结果:
03-12 22:26:17.294: E/ActivityThread(298): Failed to find provider info for com.google.settings
03-12 22:26:17.305: E/ActivityThread(298): Failed to find provider info for com.google.settings
03-12 22:26:17.334: E/ActivityThread(298): Failed to find provider info fo
我正在处理一个ts文件,下面是ffprobe的输出:
ffprobe version N-45589-gb6a0b8b- http://johnvansickle.com/ffmpeg/ Copyright (c) 2007-2014 the FFmpeg developers
built on Aug 28 2014 02:30:32 with gcc 4.8 (Debian 4.8.3-9)
configuration: --enable-gpl --enable-version3 --disable-shared --disable-debug --enable-run
我有一个带有循环的函数,该循环将数据保存在对象中,而foreach循环则保存最后一个值。
var n = new Array();
var weight = new Array();
var obj = {};
var as = [];
// var temp;
$("input:checked").each(function(){
temp = this.value;
// n.push(this.value);
obj['ids'] =
plt.figure(figsize=(10,8))
plt.scatter(df['attacker_size'][df['year'] == 298],
# attacker size in year 298 as the y axis
df['defender_size'][df['year'] == 298],
# the marker as
marker='x',
# the color
color='
在websphere 7中启动应用程序时出现以下错误。
日志定位- /apps/WebSphere/profiles7/node/logs/server1/SystemOut.log
[8/22/17 18:06:04:009 CEST] 0000003c WebContainer E com.ibm.ws.webcontainer.WebContainer handleRequest SRVE0255E: A WebGroup/Virtual Host to handle / has not been defined.
[8/22/17 18:06:16:282 CEST] 0000001
我有一个可以在NSLog中显示的size_t变量。此变量包含发送的字节数。
如果我使用这个:NSLog(@"%zu",myvariable);,我没有看到错误消息,但是数字溢出了,并且NSLog输出一直显示低于32.768的数字。为什么会这样呢?难道Long不应该显示从-9,223,372,036,854,775,808到9,223,372,036,854,775,807之间的值吗?
下面是一些代码。我想在NSlog self.bufferOffset中显示,这应该是发送的大约字节数。
// If we don't have any data buffe
原因是什么?在同一DB上,select语句按预期工作:
select id from line where line.id = 298;
但以下delete语句失败:
delete from line where line.id = 298;
有错误:
Unknown column 'line_id' in 'where clause'
查询输出:
mysql> delete from line where line.id = 298;
ERROR 1054 (42S22): Unknown column 'line_id' in '
在我的开发工作站(实际上包含在/etc/apache2/ apache.conf /andrew.conf)中,我有以下内容:
<Directory "/Users/andrew/Sites/">
Options Indexes MultiViews
AllowOverride All
Order allow,deny
Allow from all
</Directory>
<VirtualHost *:80>
DocumentRoot /Users/andrew/Sites/mysite/public
Server
我写了一个python代码来在3D聚合物上执行Wang Landau算法。在此附上相关代码。 1)原码: WL3D.py from scipy import *
import sys
import numpy as np
from pylab import *
from spinfun import SARW
from spinfun import Energy
from spinfun import Transform
from spinfun import Equality
Niter = int(input("Enter number of MC steps:"))