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efficient circular buffer?
I want to create an efficient circular buffer in python (with the goal of taking averages of the integer values in the buffer).
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How do I profile memory usage in Python?
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This one has been answered already here: Python memory profiler
Basically you do something like that (cited from Guppy-PE):
>>> from guppy import hpy; h=hpy()
>>> h.heap()
Partition of a set of 48477 objects. Total size = 3265516 bytes.
Index C...
Visual Studio support for new C / C++ standards?
...8/n2669.htm
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2197.pdf
have his name on it. So I guess the inclusion on Windows of C++0x is assured as long as H. Sutter remains at Microsoft.
As for C99 only partly included in Visual Studio, I guess this is a question of priorities.
Most int...
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Note: This report describes work carried out in Spring 2014 for an Undergraduate Advanced Proj...
Python timedelta in years
...29th February 2008 it returns Zero- at least for me; not 1 as you suggest (Python 2.5.2). There's no need to rude Mr Machin. Exactly what two dates are you having trouble with?
– John Mee
Feb 8 '10 at 6:16
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Finding the index of an item in a list
..., "baz"] and an item in the list "bar" , how do I get its index ( 1 ) in Python?
31 Answers
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C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...返回单个节点可使用SelectSingleNode方法，该方法如果查询到一个或多个节点，返回第一个节点；如果没有查询的任何节点返回 Nothing。例如：
objNode = objNode.SelectSingleNode("/Company/Department/Employees/Employee")
if (objNode == null)
// - Do p...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...返回单个节点可使用SelectSingleNode方法，该方法如果查询到一个或多个节点，返回第一个节点；如果没有查询的任何节点返回 Nothing。例如：
objNode = objNode.SelectSingleNode("/Company/Department/Employees/Employee")
if (objNode == null)
// - Do p...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...返回单个节点可使用SelectSingleNode方法，该方法如果查询到一个或多个节点，返回第一个节点；如果没有查询的任何节点返回 Nothing。例如：
objNode = objNode.SelectSingleNode("/Company/Department/Employees/Employee")
if (objNode == null)
// - Do p...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...返回单个节点可使用SelectSingleNode方法，该方法如果查询到一个或多个节点，返回第一个节点；如果没有查询的任何节点返回 Nothing。例如：
objNode = objNode.SelectSingleNode("/Company/Department/Employees/Employee")
if (objNode == null)
// - Do p...