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Data structure for loaded dice?

...e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die. 4 Answers ...
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How to detect if a stored procedure already exists

... If you DROP and CREATE the procedure, you will loose the security settings. This might annoy your DBA or break your application altogether. What I do is create a trivial stored procedure if it doesn't exist yet. After that, you can AL...
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What is a “cache-friendly” code?

What is the difference between " cache unfriendly code " and the " cache friendly " code? 9 Answers ...
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How to concatenate two MP4 files using FFmpeg?

...ess hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as possible. ...
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Tricks to manage the available memory in an R session

...ive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bit Linux with ample memory. ...
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python: SyntaxError: EOL while scanning string literal

... And careful to only use three quotation marks, I had four by accident and the error came up – Oregano Dec 9 '14 at 23:13 ...
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Printing newlines with print() in R

.../program F=filename") File not supplied. Usage: ./program F=filename> and > cat("File not supplied.\nUsage: ./program F=filename","\n") File not supplied. Usage: ./program F=filename > The reason print() doesn't do what you want is that print() shows you a version of the object from th...
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What is the default access specifier in Java?

I just started reading a Java book and wondered; which access specifier is the default one, if none is specified? 12 Answer...
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How to find and return a duplicate value in array

...s isn't very elegant answer, but I love it. It's beautiful one liner code. And works perfectly fine unless you need to process huge data set. Looking for faster solution? Here you go! def find_one_using_hash_map(array) map = {} dup = nil array.each do |v| map[v] = (map[v] || 0 ) + 1 ...
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How to ignore whitespace in a regular expression subject string?

...nt "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and end index of the match (including any whitespace) in order to highlight that match and any whitespace needs to be there for formatting purposes. ...