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What is the Scala identifier “implicitly”?

...e you are calling a method that pretty prints a person, using a type class based approach: trait Show[T] { def show(t: T): String } object Show { implicit def IntShow: Show[Int] = new Show[Int] { def show(i: Int) = i.toString } implicit def StringShow: Show[String] = new Show[String] { def show...
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Broken references in Virtualenvs

...1 ryan staff 78 Jun 25 13:21 .Python -> /usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/Python The solution is to remove the symlinks in the virtualenv and then recreate them: find ~/.virtualenvs/my-virtual-env/ -type l -delete virtualenv ~/.virtualenvs/my-virtual-e...
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Difference between method and function in Scala

...ethod Value is created from methods, either by postfixing an underscore (m _ is a method value corresponding to the "function declaration" (def) m), or by a process called eta-expansion, which is like an automatic cast from method to function. That is what the specs say, so let me put this up-front...
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UnicodeDecodeError when reading CSV file in Pandas with Python

... read_csv takes an encoding option to deal with files in different formats. I mostly use read_csv('file', encoding = "ISO-8859-1"), or alternatively encoding = "utf-8" for reading, and generally utf-8 for to_csv. You can also use...
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Scale image to fit a bounding box

... need it. The easiest way to handle this with JavaScript is to add a class based on the difference in ratio. If the width-to-height ratio of the box is greater than that of the image, add the class "fillwidth", else add the class "fillheight". $('div').each(function() { var fillClass = ($(t...
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How can I insert values into a table, using a subquery with more than one result?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

...ntains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd parameter which in this case is the source SelectList. What happened with my error was: Because the table contai...
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How to select first parent DIV using jQuery?

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How do I get the current date in JavaScript?

... This contains much more than just a simple format option. It extends the base Date object and includes methods such as addDays. For more information, please see the Git. In this mod, the format characters are inspired by PHP: date. For a complete list, please see my README This mod also has a m...
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How to `go test` all tests in my project?

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