大约有 44,000 项符合查询结果（耗时：0.0311秒） [XML]
Cleanest way to write retry logic?
... if (attempted > 0)
{
Thread.Sleep(retryInterval);
}
return action();
}
catch (Exception ex)
{
exceptions.Add(ex);
}
}
throw new AggregateExce...
Python function attributes - uses and abuses [closed]
...eturn _sw
# test code
sw=stopwatch()
sw2=stopwatch()
import os
os.system("sleep 1")
print sw() # defaults to "SW_DELTA"
sw( SW_MARK )
os.system("sleep 2")
print sw()
print sw2()
1.00934004784
2.00644397736
3.01593494415
...
Cron jobs and random times, within given hours
...maxdelay)) # pick an independent random delay for each of the 20 runs
(sleep $((delay*60)); /path/to/phpscript.php) & # background a subshell to wait, then run the php script
done
A few notes: this approach it a little wasteful of resources, as it fires off 20 background processes at 9am, ...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...r/bin/df
1.002 who 12105 6578 0 /usr/bin/who
1.004 sleep 12106 6578 0 /usr/bin/sleep 1
2.006 head 12107 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
2.008 head 12108 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /p...