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Does JavaScript have a built in stringbuilder class?
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If you have to write code for Internet Explorer make sure you chose an implementation, which uses array joins. Concatenating strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually jus...
When should I choose Vector in Scala?
...t seems that Vector was late to the Scala collections party, and all the influential blog posts had already left.
6 Answe...
C# vs C - Big performance difference
I'm finding massive performance differences between similar code in C anc C#.
13 Answers
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How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
55 Answers
55
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How do I create an empty array/matrix in NumPy?
I can't figure out how to use an array or matrix in the way that I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time.
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How to clear basic authentication details in chrome
I'm working on a site that uses basic authentication. Using Chrome I've logged in using the basic auth. I now want to remove the basic authentication details from the browser and try a different login.
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Are 2^n and n*2^n in the same time complexity?
...found on time complexity are unclear about when it is okay to ignore terms in a time complexity equation, specifically with non-polynomial examples.
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What are all the escape characters?
I know some of the escape characters in Java, e.g.
4 Answers
4
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Finding the source code for built-in Python functions?
Is there a way to see how built in functions work in python? I don't mean just how to use them, but also how were they built, what is the code behind sorted or enumerate etc...?
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Pandas - How to flatten a hierarchical index in columns
I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation):
17 Answers
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