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Linux: compute a single hash for a given folder & contents?
...Handle non standard file names
How to proceed with files that are sockets, pipes/FIFOs, block devices, char devices? Must hash them as well?
Don't update the access time of any entry while traversing because this will be a side effect and counter-productive(intuitive?) for certain use cases.
This...
How to perform OR condition in django queryset?
... FYI, order_by() and distinct() can be applied to the piped queryset after they are combined
– carruthd
Jul 15 '14 at 14:00
...
plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...布尔值，如果用mutlipart 代替二进制流的方式，在webkit下无法工作
multipart_params： 跟 multipart关联在一起的键值
multi_selection： 多选对话框
resize：修改图片属性 resize: {width: 320, height: 240, quality: 90}
runtimes:上传插件初始化选用那种...
How to find out the number of CPUs using python
...tl', '-n', 'hw.ncpu'],
stdout=subprocess.PIPE)
scStdout = sysctl.communicate()[0]
res = int(scStdout)
if res > 0:
return res
except (OSError, ValueError):
pass
# Linux
try:
res = open('/proc/cpuinf...
How do you do a ‘Pause’ with PowerShell 2.0?
...rries out the command specified by string and then terminates | out-null pipes the output to out-null, where you'll never see it If you want to see the "Press any key to continue..." message, remove the pipe. Also, this doesn't seem to work in PowerShell ISE. The process simply gets stuck, and y...
Advantages of stateless programming?
...separates F# from ocaml, and possibly other functional languages. It's the pipe operator, it lets you "pipe" the output of one expression into the input of another expression. It makes the code follow how I think more. Like in the code snippet above, that's saying, "take the factors sequence, filter...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...置或更改事件观察器的成本显然比 libev 高得多，API 差异无法解释这一点（libev 中的原生 API 和仿真 API 之间的差异非常小）。这在实践中很重要，因为 libevent API 没有很好的接口来动态更改事件观察者或超时。
在文件描述符数...
opengl: glFlush() vs. glFinish()
...ly dates back to a client server model. You send all gl commands through a pipe to a gl server. That pipe might buffer. Just like any file or network i/o might buffer. glFlush only says "send the buffer now, even if it is not full yet!". On a local system this is almost never needed because a local ...
Regex lookahead for 'not followed by' in grep
...an construct a regex for the complement of what you want to match and then pipe it through 2 greps.
For the regex in question you might do something like
grep 'Ui\.' * | grep -v 'Ui\.L'
share
|
i...
Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...限制不能大于256。如果把这个值设为大于256，那么Apache将无法起动。事实上，256对于负载稍重的站点也是不够的。在Apache 1.3中，这是个硬限制。如果要加大这个值，必须在“configure”前手工修改的源代码树下的src/include/httpd.h中...