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Dealing with multiple Python versions and PIP?
Is there any way to make pip play well with multiple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
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NumPy array initialization (fill with identical values)
...irect method than empty() followed by fill() for creating an array filled with a certain value:
>>> np.full((3, 5), 7)
array([[ 7., 7., 7., 7., 7.],
[ 7., 7., 7., 7., 7.],
[ 7., 7., 7., 7., 7.]])
>>> np.full((3, 5), 7, dtype=int)
array([[7, 7, 7, 7, 7],
...
How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
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Get time in milliseconds using C#
... the time in milliseconds. By time, I mean a number that is never equal to itself, and is always 1000 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
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Using MVC HtmlHelper extensions from Razor declarative views
...ook at Marcind's answer to this question. What you're experiencing is a limitation of putting declarative views in the App_Code folder.
Putting your helpers in App_Code works
but has certain limitations that
impact certain MVC scenarios (for
example: no access to standard MVC
Html. helpe...
Get list of a class' instance methods
...ant TestClass.instance_methods, unless you're interested in what TestClass itself can do.
class TestClass
def method1
end
def method2
end
def method3
end
end
TestClass.methods.grep(/method1/) # => []
TestClass.instance_methods.grep(/method1/) # => ["method1"]
TestClass.methods....
Check if a string contains a number
...ke to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
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How to get the text node of an element?
I wish to get the "I am text node", do not wish to remove the "edit" tag, and need a cross browser solution.
10 Answers
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How to get GET (query string) variables in Express.js on Node.js?
...
In Express it's already done for you and you can simply use req.query for that:
var id = req.query.id; // $_GET["id"]
Otherwise, in NodeJS, you can access req.url and the builtin url module to url.parse it manually:
var url = require('...
Replace whole line containing a string using Sed
...follow
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edited Nov 30 '18 at 0:25
answered Jun 28 '12 at 13:15
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