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Efficient way to insert a number into a sorted array of numbers?
...
Just as a single data point, for kicks I tested this out inserting 1000 random elements into an array of 100,000 pre-sorted numbers using the two methods using Chrome on Windows 7:
First Method:
~54 milliseconds
Second Method:
~57 seconds
So, at least on this setup, the native method doesn...
How can I determine the direction of a jQuery scroll event?
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704
Check current scrollTop vs previous scrollTop
var lastScrollTop = 0;
$(window).scroll(functio...
Can I add jars to maven 2 build classpath without installing them?
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605
Problems of popular approaches
Most of the answers you'll find around the internet will suggest...
How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
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Quickest way to convert a base 10 number to any base in .NET?
...s binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm no...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
... to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
...
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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Selecting with complex criteria from pandas.DataFrame
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406
Sure! Setup:
>>> import pandas as pd
>>> from random import randint
>>...
How to sort an array by a date property
... else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generic, Powerful Answer
Define a custom non-enumerable sortBy function using a Schwartzian transform o...