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TypeError: 'dict_keys' object does not support indexing
...bly this was written with python2.x (when d.keys() returned a list). With python3.x, d.keys() returns a dict_keys object which behaves a lot more like a set than a list. As such, it can't be indexed.
The solution is to pass list(d.keys()) (or simply list(d)) to shuffle.
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How to check if type of a variable is string?
...
since basestring isn't defined in Python3, this little trick might help to make the code compatible:
try: # check whether python knows about 'basestring'
basestring
except NameError: # no, it doesn't (it's Python3); use 'str' instead
basestring=str
a...
windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在用svn客户端，因为一些需求需要自己搭建svn服务器。1.下载svn服务器版本，网上遍地都是，下载下来后，解压，一路next 即可。我的...一直是在用svn客户端，因为一些需求需要自己搭建svn服务器。
1.下载svn服务器版本，下载下...
How do I read image data from a URL in Python?
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In Python3 the StringIO and cStringIO modules are gone.
In Python3 you should use:
from PIL import Image
import requests
from io import BytesIO
response = requests.get(url)
img = Image.open(BytesIO(response.content))
...
How to pip or easy_install tkinter on Windows
...g. You'll end up with a fresh install of ActivePython, located in, e.g. C:\python32. From a Windows command prompt, or the Start Menu's "Run..." command, you should then be able to run a Python shell via:
% C:\python32\python
This should give you the Python command prompt. From the prompt, enter ...
Access an arbitrary element in a dictionary in Python
...ethods will return list with the same ordering. This is not supported with Python3.
in Python 3:
list(my_dict.keys())[0] -> key of "first" element
list(my_dict.values())[0] -> value of "first" element
list(my_dict.items())[0] -> (key, value) tuple of "first" element
...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版Objective-C Mac iOS《Objective-C 2.0 Mac和iOS开发实践指南》专门为那些想要学习Objecti Ve-C以便为Mac OS x或iOS编写程序的程序员量身打造。《Objectiv...截图：
《Objective-C 2.0 Mac和iOS开发实践指南...
一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...
...是旧版。所以，这就是为什么我们要在软件包的所在官网下载和安装最新版本（11.0.0）的理由。
首先，请使用下面的链接下载最新版本的sysstat软件包，或者你也可以用wget命令直接在终端下载。
http://sebastien.godard.pagesperso-orang...
VR领域的价值分析和创业机会.pdf - 文档下载 - 清泛网 - 专注IT技能提升
VR领域的价值分析和创业机会.pdfVR领域的价值分析和创业机会VR 虚拟现实 价值 机会VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。
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VR领域的价值分析和创业机会.pdf - 文档下载 - 清泛网 - 专注IT技能提升
VR领域的价值分析和创业机会.pdfVR领域的价值分析和创业机会VR 虚拟现实 价值 机会VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。
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