Calculate diversity index (dissimilarity index) for a set of compounds in R...

DBPedia queries missing certain chemical compounds...

Isolate the first number after a letter with regular expressions...

Embedding a lot of constants in compile code or an external file...

Find all possible permutations of a lowercase chemical formula...

Preventing double hash operation when trying to update value in a of type Dictionary<IComparable,...

Separate String based on condition...

Solver for chemical equilibrium...

Searching matrices in Mathematica 8 - Trying to find other elements on the same row as X...

On-the-fly parser/pre-generation space/time tradeoff considerations...