In textual content intended largely being examine by individuals working with software package which implements the word wrap aspect, a newline character ordinarily only should be stored if a line break is needed independent of if the up coming term would match on the identical line, like involving paragraphs As well as in vertical lists. Therefore, within the logic of term processing and most textual content editors, newline is used to be a paragraph crack and is known as a "tricky return", in distinction to "gentle returns" which can be dynamically designed to implement term wrapping and are changeable with Just about every Screen instance.LF (DOS/Windows) and LF (Unix) newlines. Distinct variations of these commands fluctuate a bit in their syntax. However, the tr command is out there on nearly each and every Unix-like method and can be utilized to perform arbitrary substitute functions on one people. A DOS/Windows textual content file is usually transformed to Unix structure by simply getting rid of all ASCII CR characters with $ tr -d 'r' < inputfile > outputfile or, In the event the textual content has only CR newlines, by changing all CR newlines to LF with $ tr 'r' 'n' < inputfile > outputfile The exact same jobs are sometimes executed with awk, sed, or in Perl In the event the platform contains a Perl interpreter:
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The above mentioned grep commands perform beneath Unix programs or in Cygwin beneath Windows. Be aware that these instructions make some assumptions regarding the styles of data files that exist about the method (specifically It is really assuming only Unix and DOS-style files—no Mac OS 9-style documents).
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In an investments training course I took some time again, we labored the solution for the case where by we had a basket of three shares to select from, in Excel. Naturally, this Option wasn’t genuinely scalable outside of the N=3 scenario. When questioned about extending N to an arbitrary number, the powering-routine-professor did some handwaving about matrix math.
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The Java I/O libraries tend not to transparently translate these into System-dependent newline sequences on input or output. Alternatively, they provide functions for creating a complete line that instantly add the indigenous newline sequence, and capabilities for examining strains that acknowledge any of CR, LF, or CR+
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Getting a stage back, it’s possibly helpful to understand The purpose of all this. Inside the fifties, Harry Markowitz released what we now simply call Fashionable Portfolio Concept (MPT), that is a mathematical formulation for diversification. Intuitively, mainly because some stocks zig when Other people zag, whenever we keep a portfolio of address such stocks, our portfolio can have some notional return at a reduced variance than Keeping the shares outright.
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