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How do you validate a URL with a regular expression in Python?
I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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How are multi-dimensional arrays formatted in memory?
In C, I know I can dynamically allocate a two-dimensional array on the heap using the following code:
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Run command on the Ansible host
Is it possible to run commands on the Ansible host?
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Create a pointer to two-dimensional array
I need a pointer to a static 2-dimensional array. How is this done?
10 Answers
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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
Things I've tried after searching:
32 Answers
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Install dependencies globally and locally using package.json
Using npm we can install the modules globally using -g option. How can we do this in the package.json file?
6 Answers
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List comprehension in Ruby
To do the equivalent of Python list comprehensions, I'm doing the following:
17 Answers
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Does pandas iterrows have performance issues?
I have noticed very poor performance when using iterrows from pandas.
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
If I have the following Python code
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