List of all algorithms, classified by purpose

julian m bucknall >> Calculating the number of months & days between two dates The question on a newsgroup generally goes like this, "I want to calculate the number of months between two dates. How do I do it?" Algorithms from not thinking about the problem The general answer goes something like this. Calculate the month and year for each date. Let's check the algorithm out with a couple of examples: What's the difference in months between 15-Jan-2003 and 15-Jul-2004? Another example: the difference between 15-Jul-2003 and 15-Jan-2004. The final example is this one: the difference between 31-Jan-2003 and 1-Feb-2003. So a better algorithm might be to do the same thing, but to return the number of days as well. I got an example of this algorithm from a not-very-good Visual Basic "helper" site. Let's try it. Another example: the number of months and days between 30-Nov-2002 and 30-May-2003? Another interpretation of this calculation I've seen takes the day, month and year differences and computes the answer from those. Thinking about the problem Summary

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Codex Sinaiticus Project World Wide Words QuickRef.org - all your docs are belong to us - PHP, Perl, CSS, HTML, Java, JavaScript, MySQL, Ruby, Python, and more Basic Linux Commands With Man Pages -- Debian Admin Here are some basic commands to get you started in the wonderful world of Linux and other UNIX variants. All of these commands should work from your command prompt (regardless which shell you're using).You MUST press enter to invoke the command.All UNIX and Linux commands are case sensitive. There are of course thousands of Linux related commands and procedures. You can also execute multiple commands by separating each one with a ; for example cd newdir; mkdir thatdir ; ls -la will first change directories to the newdir directory, then create a directory called thatdir, then list all the files in long format. If you think some thing need to be added to this list let me know. access -- determine whether a file can be accessed Syntax access -mode file For more options and how to use check access man page alias -- define or display aliases alias [alias-name[=string] ...] For more options and how to use check alias man page bg -- run jobs in the background bg [job_id ...] cal -- displays a calendar

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