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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
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12 Answers
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...e keys are valid Python identifiers.
This works:
a = {'import': 'trade', 1: 7.8}
a = dict({'import': 'trade', 1: 7.8})
This won't work:
a = dict(import='trade', 1=7.8)
>> SyntaxError: invalid syntax ^
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Google Maps API v3: How do I dynamically change the marker icon?
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182
Call the marker.setIcon('newImage.png')... Look here for the docs.
Are you asking about the a...
Count number of rows within each group
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14 Answers
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How do I test if a variable is a number in Bash?
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How to use a variable for the key part of a map
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169
Use this:
def map = [(A):1, (X):2]
For the value-part it's even easier, since there is no a...
get all characters to right of last dash
...e next step is obvious:
var result = str.Substring(str.LastIndexOf('-') + 1);
Correction:
As Brian states below, using this on a string with no dashes will result in the same string being returned.
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Django dynamic model fields
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281
As of today, there are four available approaches, two of them requiring a certain storage backen...
Creating a zero-filled pandas data frame
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You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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