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How to resolve symbolic links in a shell script

... According to the standards, pwd -P should return the path with symlinks resolved. C function char *getcwd(char *buf, size_t size) from unistd.h should have the same behaviour. getcwd pwd ...
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When to use .First and when to use .FirstOrDefault with LINQ?

I've searched around and haven't really found a clear answer as to when you'd want to use .First and when you'd want to use .FirstOrDefault with LINQ. ...
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

...answered Jul 5 '10 at 7:45 Sky SandersSky Sanders 32k55 gold badges6161 silver badges8686 bronze badges ...
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The SQL OVER() clause - when and why is it useful?

I read about that clause and I don't understand why I need it. What does the function Over do? What does Partitioning By do? Why can't I make a query with writing Group By SalesOrderID ? ...
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What is the difference between Digest and Basic Authentication?

What is the difference between Digest and Basic Authentication ? 4 Answers 4 ...
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What's the difference between == and .equals in Scala?

What is the difference between == and .equals() in Scala, and when to use which? 5 Answers ...
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What to do about a 11000 lines C++ source file?

...this huge (is 11000 lines huge?) mainmodule.cpp source file in our project and every time I have to touch it I cringe. 34 A...
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Is multiplication and division using shift operators in C actually faster?

Multiplication and division can be achieved using bit operators, for example 19 Answers ...
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What is the difference between concurrency and parallelism?

What is the difference between concurrency and parallelism? 37 Answers 37 ...
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How to generate and validate a software license key?

...eveloping a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the full version. ...