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How can I convert spaces to tabs in Vim or Linux?
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Using Vim to expand all leading spaces (wider than 'tabstop'), you were right to use retab but ...
Google Maps API v3: How do I dynamically change the marker icon?
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Call the marker.setIcon('newImage.png')... Look here for the docs.
Are you asking about the a...
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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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
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Change Oracle port from port 8080
...rrectly start with the following:
C:\>sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Tue Aug 26 10:40:44 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> connect
Enter user-name: system
Enter password: <enter password if will not be visible>
Connected.
SQ...
What is meant by 'first class object'?
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
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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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Use this:
def map = [(A):1, (X):2]
For the value-part it's even easier, since there is no a...
Creating a zero-filled pandas data frame
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140
You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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