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Add regression line equation and R^2 on graph

... = 300, label = lm_eqn(df), parse = TRUE) EDIT. I figured out the source from where I picked this code. Here is the link to the original post in the ggplot2 google groups share | improve this an...
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How to measure code coverage in Golang?

...One major new feature of go test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results. The cover tool is part of the go.tools subrepository. It can be installed by running $ go get golang.org/x/tools/cmd/cover T...
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What is the best method of handling currency/money?

... If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain. As pointed out by mcl, to print the price, use: number_to_currency(price, :unit => "€") #=> €1,234.01 ...
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?

...doesn't let the second one compile, complaining about narrowing conversion from double to value_type, but clang++ 2.9 is OK with both! – Cubbi May 24 '11 at 17:27 21 ...
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Delaying AngularJS route change until model loaded to prevent flicker

...phones: function(Phone, $q) { // see: https://groups.google.com/forum/?fromgroups=#!topic/angular/DGf7yyD4Oc4 var deferred = $q.defer(); Phone.query(function(successData) { deferred.resolve(successData); }, function(errorData) { deferred.reject(); // you coul...
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Thread pooling in C++11

... This is copied from my answer to another very similar post, hope it can help: 1) Start with maximum number of threads a system can support: int Num_Threads = thread::hardware_concurrency(); 2) For an efficient threadpool implementation...
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Javascript equivalent of Python's zip function

...ns), then zip is no longer its own inverse. To mimic the zip(*[...]) idiom from Python, you will need to do zip.apply(this, [...]) when you want to invert the zip function or if you want to similarly have a variable number of lists as input. addendum: To make this handle any iterable (e.g. in Py...
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How to export plots from matplotlib with transparent background?

...tps%3a%2f%2fstackoverflow.com%2fquestions%2f15857647%2fhow-to-export-plots-from-matplotlib-with-transparent-background%23new-answer', 'question_page'); } ); Post as a guest ...
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Why is there no String.Empty in Java?

...Buffer if you want to be thread-safe) and turn that into a String. Update From your comment to the question: What inspired this is actually TextBox.setText(""); I believe it would be totally legitimate to provide a constant in your appropriate class: private static final String EMPTY_STRIN...
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How to use Class in Java?

... Static method always needs explicit <T> declaration; It wont derive from class level Class<T>. This is because of Class level T is bound with instance. Also read Restrictions on Generics Wildcards and Subtyping type argument for a generic method ...