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Using the rJava package on Win7 64 bit with R

... work! Mirrors are not up-to-date, so go to the source at www.rforge.net: http://www.rforge.net/rJava/files/. Note the advice there “Please use `install.packages('rJava',,'http://www.rforge.net/')` to install.” That is almost correct. This actually works: install.packages('rJava', .libPat...
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Convert Java Array to Iterable

I have an Array of primitives, for example for int, int[] foo. It might be a small sized one, or not. 10 Answers ...
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]

I want to create a default value for an attribute by defining it in ActiveRecord. By default everytime the record is created, I want to have a default value for attribute :status . I tried to do this: ...
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How to test Spring Data repositories?

I want a repository (say, UserRepository ) created with the help of Spring Data. I am new to spring-data (but not to spring) and I use this tutorial . My choice of technologies for dealing with the database is JPA 2.1 and Hibernate. The problem is that I am clueless as to how to write unit tests f...
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How to list out all the subviews in a uiviewcontroller in iOS?

...t-in way to dump the view hierarchy is useful -- recursiveDescription, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html It outputs a more complete view hierarchy which you might find useful: > po [_myToolbar recursiveDescription] <UIToolbarButton: 0xd866040; frame = ...
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In laymans terms, what does 'static' mean in Java? [duplicate]

I have been told several definitions for it, looked on Wikipedia, but as a beginner to Java I'm still not sure what it means. Anybody fluent in Java and idiot? ...
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How to See the Contents of Windows library (*.lib)

... LIB.EXE is the librarian for VS http://msdn.microsoft.com/en-us/library/7ykb2k5f(VS.80).aspx (like libtool on Unix) share | improve this answer |...
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PHP regular expressions: No ending delimiter '^' found in

...need the capturing group, and can simplify the regex to /^\d+$/. Example: http://ideone.com/Ec3zh See also: PHP - Delimiters share | improve this answer | follow ...
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SQL command to display history of queries

... You can look at the query cache: http://www.databasejournal.com/features/mysql/article.php/3110171/MySQLs-Query-Cache.htm but it might not give you access to the actual queries and will be very hit-and-miss if it did work (subtle pun intended) But MySQL Que...
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How do I time a method's execution in Java?

Most of the searches on Google return results for timers that schedule threads and tasks, which is not what I want. 40 Answ...