大约有 5,000 项符合查询结果（耗时：0.0135秒） [XML]
When to use Spring Integration vs. Camel?
...nswered Jan 11 '12 at 9:00
Kai WähnerKai Wähner
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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...工具分析我们线上的 Nginx 进程，结果发现有相当一部分 CPU 时间花费在了一条非常奇怪的代码路径上面。这其实是我一位同事在很久之前调试一个老问题时遗留下来的临时的调试代码，有点儿像我们前面提到的“埋点代码”。结...
What is the difference between user and kernel modes in operating systems?
...and unrestricted
access to the underlying hardware. It
can execute any CPU instruction and
reference any memory address. Kernel
mode is generally reserved for the
lowest-level, most trusted functions
of the operating system. Crashes in
kernel mode are catastrophic; they
will halt the...
Multithreading: What is the point of more threads than cores?
...ore than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
17 Answers
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
...nstead of LXC based. However, I've found a decent laptop (8 GB RAM, i5/i7 CPU) has no trouble running a VM using Vagrant/VirtualBox alongside development tooling.
One of the really great things with Vagrant is the integration with Puppet/Chef/shell scripts for automating configuration. If you're u...
Multi-line string with extra space (preserved indentation)
...Jul 4 '18 at 7:49
Frank-Rene SchäferFrank-Rene Schäfer
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How can I easily convert DataReader to List? [duplicate]
I have data in a DataReader which I want to be converted to a List<T> .
What is a possible simple solution for this?
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
... ISO 8601 datetime like 20160628T100000.
– Seppo Erviälä
Jun 28 '16 at 13:01
4
Oh dear, Python....
Quickly create a large file on a Linux system
...it take even longer? Use /dev/random instead of /dev/zero! Then you'll use CPU as well as I/O time!) In the end though, dd is a poor choice (though essentially the default used by the VM "create" GUIs). E.g:
dd if=/dev/zero of=./gentoo_root.img bs=4k iflag=fullblock,count_bytes count=10G
truncate...
定位C++程序CPU占用率高的步骤及技巧（全网最干，没有之一） - C/C++ - 清...
定位C++程序CPU占用率高的步骤及技巧（全网最干，没有之一）locating_cpp_cpu_high_usage本文系统全面介绍C++程序CPU占用率高的原因，以及如何定位到具体的代码行。（持续更新，欢迎讨论补充，有任何问题或需要指导的欢迎扫描页面...