大约有 11,000 项符合查询结果（耗时：0.0329秒） [XML]
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
Apache两种工作模式区别及配置切换1、Redhat Linux下查看apache版本号在Apache安装目录bin下，使用以下命令查看即可。使用命令：. httpd -v示例：2、查看Apache当前工作模...1、Redhat Linux下查看apache版本号
在Apache安装目录bin下，使用以下...
How to convert Nonetype to int or string?
...erally a number, but could be None . I want to divide it by a number, but Python raises:
10 Answers
...
How to check if all of the following items are in a list?
...
Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and more clearl...
matplotlib Legend Markers Only Once
...
I like to change my matplotlib rc parameters dynamically in every python script. To achieve this goal I simply use somthing like that at the beginning of my python files.
from pylab import *
rcParams['legend.numpoints'] = 1
This will apply to all plots generated from my python file.
EDI...
source command not found in sh shell
...mall issues such as this one with Ubuntu. I really like RHEL and RHEL like linux.
– radtek
Mar 14 '14 at 19:05
The acc...
Why does (1 in [1,0] == True) evaluate to False?
...
Python actually applies comparison operator chaining here. The expression is translated to
(1 in [1, 0]) and ([1, 0] == True)
which is obviously False.
This also happens for expressions like
a < b < c
which tran...
abort: no username supplied (see “hg help config”)
...
run hg config --edit ( tested it in hg 3.1 both on linux debian and windows)
it will create (if not exists) and open a file with text:
# example config (see "hg help config" for more info)
[ui]
# name and email, e.g.
# username = Jane Doe <jdoe@example.com>
username =...
How to extract the decision rules from scikit-learn decision-tree?
...at(indent, tree_.value[node])
recurse(0, 1)
This prints out a valid Python function. Here's an example output for a tree that is trying to return its input, a number between 0 and 10.
def tree(f0):
if f0 <= 6.0:
if f0 <= 1.5:
return [[ 0.]]
else: # if f0 > 1.5
...
Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...e original because the original was wrong. I was under the impression that Linux thread creation was very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something li...
Why doesn't Objective-C support private methods?
...
More python being "obj-c-ic" :). Guido was quite proactive in maintaining Python on NeXT systems, including creating the 1st version of PyObjC. Thus, ObjC did influence python somewhat.
– bbum
...