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What is WEB-INF used for in a Java EE web application?

... within the application hierarchy named WEB-INF. This directory contains all things related to the application that aren’t in the document root of the application. The WEB-INF node is not part of the public document tree of the application. No file contained in the WEB-INF directory may be...
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Subprocess changing directory

... @The_Diver That's why cd must be implemented as internal shell command. There's no other way to do it. Internal shell commands are executed within the same process as the shell. What I meant by subshell is the shell executed for ...
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Is nested function a good approach when required by only one function? [closed]

... >>> def sum(x, y): ... def do_it(): ... return x + y ... return do_it ... >>> a = sum(1, 3) >>> a <function do_it at 0xb772b304> >>> a() 4 Is this what you were looking for? It's called a closure. ...
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Why are dates calculated from January 1st, 1970?

...1st, 1970) as default standard The Question makes two false assumptions: All time-tracking in computing is done as a count-since-1970. Such tracking is standard. Two Dozen Epochs Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various...
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How to correctly implement custom iterators and const_iterators?

...e, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work. To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on impl...
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Is it possible to get CMake to build both a static and shared version of the same library?

Same source, all that, just want a static and shared version both. Easy to do? 5 Answers ...
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MongoDb query condition on comparing 2 fields

...project and $match to implement field level redaction where it will return all documents matching the condition using $$KEEP and removes from the pipeline results those that don't match using the $$PRUNE variable. Running the following aggregate operation filter the documents more efficiently tha...
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How to count certain elements in array?

...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant. – Felix Kling May 25 '11 at 8:33 ...
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SQL Server: SELECT only the rows with MAX(DATE)

... HAVING t1.DateEntered = MAX(t2.DateEntered)) This is the fastest of all the queries supplied above. The query cost came in at 0.0070668. The preferred answer above, by Mikael Eriksson, has a query cost of 0.0146625 You may not care about the performance for such a small sample, but in large...
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error: passing xxx as 'this' argument of xxx discards qualifiers

...ere the value type is the same as the key type, both iterator and const_iterator are constant iterators. It is unspecified whether or not iterator and const_iterator are the same type. So VC++ 2008 Dinkumware implementation is faulty. Old answer: You got that error because in certain...