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Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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Algorithm to return all combinations of k elements from n
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Art of Computer Programming Volume 4: Fascicle 3 has a ton of these that might fit your particular situation better than how I describe.
Gray Codes
An issue that you will come across is of course memory and pretty quickly, you'll have problems by ...
How to calculate a Mod b in Casio fx-991ES calculator
Does anyone know how to calculate a Mod b in Casio fx-991ES Calculator. Thanks
10 Answers
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Import Maven dependencies in IntelliJ IDEA
I have a small question about IntelliJ IDEA 11. I just imported a project from subversion - its a maven project. But I have a problem in maven library dependencies so that I can't include all maven dependencies automatically - IDEA shows dependency errors only when I open that class/ Thats what I ge...
How to detect IE11?
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IE11 no longer reports as MSIE, according to this list of changes it's intentional to avoid mis-detection.
What you can do if you really want to know it's IE is to detect the Trident/ string in the user agent if navigator.appName returns Netscape, something like...
Differences in boolean operators: & vs && and | vs ||
... rules for && and || but what are & and | ? Please explain these to me with an example.
11 Answers
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Controlling number of decimal digits in print output in R
There is an option in R to get control over digit display. For example:
3 Answers
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How to recursively find the latest modified file in a directory?
It seems that ls doesn't sort the files correctly when doing a recursive call:
21 Answers
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What is managed or unmanaged code in programming?
I am using a specific command in in my C# code, which works well. However, it is said to misbehave in "unmanaged" code.
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What is the difference between Factory and Strategy patterns?
Can any one explain the difference between factory and strategy patterns?
12 Answers
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