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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...
How to input a regex in string.replace?
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Another good reference sees w3schools.com/python/python_regex.asp
– Carson
May 15 at 11:23
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Artificially create a connection timeout error
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This won't always work. For instance, with Python's urllib, this will return a 'No route to host' exception. FYI
– Mike Shultz
Feb 22 '13 at 22:35
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How to upload a file in Django? [closed]
...;
8. Initialize
Just run syncdb and runserver.
> cd myproject
> python manage.py syncdb
> python manage.py runserver
Results
Finally, everything is ready. On default Django developement environment the list of uploaded documents can be seen at localhost:8000/list/. Today the files a...
Plotting time in Python with Matplotlib
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You must first convert your timestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_datetimes)
matplotlib.pyplot...
General suggestions for debugging in R
... seen so far is:
http://www.biostat.jhsph.edu/%7Erpeng/docs/R-debug-tools.pdf
Anybody agree/disagree?
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How to create major and minor gridlines with different linestyles in Python
...434%2fhow-to-create-major-and-minor-gridlines-with-different-linestyles-in-python%23new-answer', 'question_page');
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Passing a dictionary to a function as keyword parameters
I'd like to call a function in python using a dictionary.
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