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phpcms与ucenter整合常见问题与解答 - 更多技术 - 清泛网 - 专注C/C++及内核技术
phpcms与ucenter整合常见问题与解答视频教程:http: v9.help.phpcms.cn html 2010 phpsso_install_1028 96.html常见问题与解答：1、整合完成后，在 phpcms 注册、登录均失败...视频教程: http://v9.help.phpcms.cn/html/2010/phpsso_install_1028/96.html
常见问题与...
What is the advantage of GCC's __builtin_expect in if else statements?
...
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU ...
Why do x86-64 systems have only a 48 bit virtual address space?
...
Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set...
clang: how to list supported target architectures?
Currently I am interested in ARM in general and specifically iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come.
...
Can't pickle when using multiprocessing Pool.map()
...nsider it "easy" or not;-) is to add the infrastructure to your program to allow such methods to be pickled, registering it with the copy_reg standard library method.
For example, Steven Bethard's contribution to this thread (towards the end of the thread) shows one perfectly workable approach to a...
通信连接组件 · App Inventor 2 中文网
...)或物联网(IoT)世界的连接设备，以及带宽和电池功率非常高的移动应用的理想选择。
例如，它已被用于通过卫星链路与代理通信的传感器、与医疗服务提供者的拨号连接，以及一系列家庭自动化和小型设备场景。它也是移动应...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...\n", comm, str(args->filename)); }'
Attaching 1 probe...
snmp-pass /proc/cpuinfo
snmp-pass /proc/stat
snmpd /proc/net/dev
snmpd /proc/net/if_inet6
^C
这里我们跟踪文件打开的时候打印进程名和文件名。
该命令开始是tracepoint:syscalls:sys_enter_openat: 这个是t...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...GO使用指南LINGO使用指南LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立最优化模型的语言，可以简便地表达大规模问题，利用LIN...
LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立...
Windows batch: formatted date into variable
...nswered May 20 '14 at 8:59
richhallstokerichhallstoke
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...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...并发访问的时候，会出现内存泄漏甚至自动重启FastCGI的问题。
Nginx是个轻量级的HTTP server，必须借助第三方的FastCGI处理器才可以对PHP进行解析，因此Nginx+spawn-fcgi的组合也可以实现对PHP的解析，这里不过多讲述。
PHP-FPM也是...