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How to Store Historical Data

Some co-workers and I got into a debate on the best way to store historical data. Currently, for some systems, I use a separate table to store historical data, and I keep an original table for the current, active record. So, let's say I have table FOO. Under my system, all active records will go ...
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Remove all whitespace in a string

I want to eliminate all the whitespace from a string, on both ends, and in between words. 10 Answers ...
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How to convert array values to lowercase in PHP?

How can I convert all values in an array to lowercase in PHP? 10 Answers 10 ...
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Advantages of std::for_each over for loop

Are there any advantages of std::for_each over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use? ...
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SVG gradient using CSS

I'm trying to get a gradient applied to an SVG rect element. 6 Answers 6 ...
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Is there a better way to express nested namespaces in C++ within the header

I switched from C++ to Java and C# and think the usage of namespaces/packages is much better there (well structured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file. ...
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How do I sort a vector of pairs based on the second element of the pair?

If I have a vector of pairs: 7 Answers 7 ...
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How to initialize log4j properly?

After adding log4j to my application I get the following output every time I execute my application: 24 Answers ...
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How do I install PyCrypto on Windows?

I've read every other google source and SO thread, with nothing working. 20 Answers 20...
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Learning to write a compiler [closed]

Preferred languages : C/C++, Java, and Ruby. 38 Answers 38 ...