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C++: variable 'std::ifstream ifs' has initializer but incomplete type

... 107 This seems to be answered - #include <fstream>. The message means :- incomplete type - ...
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MySQL Select minimum/maximum among two (or more) given values

... use LEAST and GREATEST function to achieve it. SELECT GREATEST(A.date0, B.date0) AS date0, LEAST(A.date1, B.date1) AS date1 FROM A, B WHERE B.x = A.x Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html ...
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Best explanation for languages without null

... let middleLen = match p.MiddleName with | None -> 0 | Some(s) -> s.Length p.FirstName.Length + middleLen + p.LastName.Length with no worries. In contrast, in a language with nullable references for types like string, then assuming class Person ...
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Git: Show all of the various changes to a single line in a specified file over the entire git histor

... 109 Since git 1.8.4, there is a more direct way to answer your question. Assuming that line 110 is...
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How can I change Eclipse theme?

... chrips 3,59244 gold badges2020 silver badges3636 bronze badges answered Nov 12 '12 at 0:41 Tim HughesTim Hughes ...
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How to flatten only some dimensions of a numpy array

... Take a look at numpy.reshape . >>> arr = numpy.zeros((50,100,25)) >>> arr.shape # (50, 100, 25) >>> new_arr = arr.reshape(5000,25) >>> new_arr.shape # (5000, 25) # One shape dimension can be -1. # In this case, the value is inferred from # the le...
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How to prevent http file caching in Apache httpd (MAMP)

... +50 Tried this? Should work in both .htaccess, httpd.conf and in a VirtualHost (usually placed in httpd-vhosts.conf if you have included i...
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How to calculate the number of days between two dates? [duplicate]

... const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds const firstDate = new Date(2008, 1, 12); const secondDate = new Date(2008, 1, 22); const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay)); ...
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How do I explicitly specify a Model's table-name mapping in Rails?

... ZabbaZabba 58.5k4040 gold badges169169 silver badges198198 bronze badges ...
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How to determine total number of open/active connections in ms sql server 2005

My PHP/MS Sql Server 2005/win 2003 Application occasionally becomes very unresponsive, the memory/cpu usage does not spike. If i try to open any new connection from sql management studio, then the it just hangs at the open connection dialog box. how to deterime the total number of active connectio...