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VC MFC工具栏(CToolBar)控件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...置，有没有什么方法，可以根据窗口大小自动调整工具栏到合适的位置呢？答案是肯定的，RepositionBars函数可以做到。实现方法如下，把上面的语句换成下面的：
m_Toolbar.Create(this);//创建工具栏控件
m_Toolbar.LoadToolBar(IDR_TOOLBAR1);...
How do I exchange keys with values in a dictionary?
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Python 2:
res = dict((v,k) for k,v in a.iteritems())
Python 3 (thanks to @erik):
res = dict((v,k) for k,v in a.items())
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How to access environment variable values?
I set an environment variable that I want to access in my Python application. How do I get its value?
12 Answers
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Converting unix timestamp string to readable date
I have a string representing a unix timestamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
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How I can I lazily read multiple JSON values from a file/stream in Python?
I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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How does IPython's magic %paste work?
I want to copy already indented Python code / whole functions and classes into IPython. Everytime I try the indentation is screwed up and I get following error message:
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Call a function with argument list in python
I'm trying to call a function inside another function in python, but can't find the right syntax. What I want to do is something like this:
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Python memory leaks [closed]
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Have a look at this article: Tracing python memory leaks
Also, note that the garbage collection module actually can have debug flags set. Look at the set_debug function. Additionally, look at this code by Gnibbler for determining the types of objects that have ...
Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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Get unique values from a list in python [duplicate]
...f you need to maintain the set order there is also a library on PyPI: pypi.python.org/pypi/ordered-set
– Jace Browning
Sep 26 '13 at 1:12
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