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Scala vs. Groovy vs. Clojure [closed]

... Groovy is a dynamically typed language, whose syntax is very close to Java, with a number of syntax improvements that allow for lighter code and less boilerplate. It can run through an interpreter as well as being compiled, which makes it good ...
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How do I quickly rename a MySQL database (change schema name)?

...es. You might want to do a mysqldump to move the views, after first moving all the tables. Also note that SHOW TABLES will show tables AND views, so beware. – tuomassalo Nov 1 '13 at 12:38 ...
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Sequence-zip function for c++11?

...ike the c++ stdlib. template <typename Iterator> void advance_all (Iterator & iterator) { ++iterator; } template <typename Iterator, typename ... Iterators> void advance_all (Iterator & iterator, Iterators& ... iterators) { ++iterator; a...
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Inheritance and Overriding __init__ in python

... The book is a bit dated with respect to subclass-superclass calling. It's also a little dated with respect to subclassing built-in classes. It looks like this nowadays: class FileInfo(dict): """store file metadata""" def __init__(self, filename=None): super(FileInfo,...
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Entity Framework 4 vs NHibernate [closed]

...ork 4 and NHibernate. We can say that today NHibernate is the leader among all .NET ORMs, but can we expect Entity Framework 4 to displace NHibernate from this position. I think if Microsoft has really injected very good features in EF4 it can give good competition to NHibernate as it has Visual Stu...
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How do I copy directories recursively with gulp?

...c( [ files ], { "base" : "." }) can be used in the structure above to copy all the directories recursively. If, like me, you may forget this then try: gulp.copy=function(src,dest){ return gulp.src(src, {base:"."}) .pipe(gulp.dest(dest)); }; ...
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Difference between Python's Generators and Iterators

...ry generator is an iterator, but not vice versa. A generator is built by calling a function that has one or more yield expressions (yield statements, in Python 2.5 and earlier), and is an object that meets the previous paragraph's definition of an iterator. You may want to use a custom iterator, ra...
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How dangerous is it to compare floating point values?

... First of all, floating point values are not "random" in their behavior. Exact comparison can and does make sense in plenty of real-world usages. But if you're going to use floating point you need to be aware of how it works. Erring on...
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Showing the stack trace from a running Python application

... prompt for interactive debugging.""" d={'_frame':frame} # Allow access to frame object. d.update(frame.f_globals) # Unless shadowed by global d.update(frame.f_locals) i = code.InteractiveConsole(d) message = "Signal received : entering python shell.\nTraceback:\n"...
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How do you enable “Enable .NET Framework source stepping”?

..." with a greyed out "Browse to find Source"). However, once you've made all the appropriate settings, you can use the following workaround. The workaround is essentially to find the security updates that caused the dll to change, and then remove them. This has the obvious downside of having tho...