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How can I read inputs as numbers?
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321
TLDR
Python 3 doesn't evaluate the data received with input function, but Python 2's input fu...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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Replacing Pandas or Numpy Nan with a None to use with MysqlDB
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203
@bogatron has it right, you can use where, it's worth noting that you can do this natively in ...
Explain the encapsulated anonymous function syntax
...ve a function expression without a name defined:
(function () {
alert(2 + 2);
}());
Or named function expression:
(function foo() {
alert(2 + 2);
}());
The Parentheses (formally called the Grouping Operator) can surround only expressions, and a function expression is evaluated.
The tw...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
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22 Answers
22
Active
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MySQL Great Circle Distance (Haversine formula)
...& Google Maps:
Here's the SQL statement that will find the closest 20 locations that are within a radius of 25 miles to the 37, -122 coordinate. It calculates the distance based on the latitude/longitude of that row and the target latitude/longitude, and then asks for only rows where the dis...
Retrieving Android API version programmatically
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edited Jan 28 '17 at 19:30
Siarhei
1,75422 gold badges1616 silver badges4949 bronze badges
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Remove an item from a dictionary when its key is unknown
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92
Be aware that you're currently testing for object identity (is only returns True if both operand...
Test if remote TCP port is open from a shell script
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Raedwald
37.7k2626 gold badges116116 silver badges194194 bronze badges
answered Feb 27 '12 at 10:35
Alessio GaetaAl...
How to replace a hash key with another key
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720
hash[:new_key] = hash.delete :old_key
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