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Number of lines in a file in Java

... 19 Answers 19 Active ...
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How do I remove blank elements from an array?

... 511 There are many ways to do this, one is reject noEmptyCities = cities.reject { |c| c.empty? } ...
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Generate a heatmap in MatPlotLib using a scatter data set

I have a set of X,Y data points (about 10k) that are easy to plot as a scatter plot but that I would like to represent as a heatmap. ...
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Objective-C - Remove last character from string

... 419 In your controller class, create an action method you will hook the button up to in Interface B...
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Difference between >>> and >>

... 421 >> is arithmetic shift right, >>> is logical shift right. In an arithmetic shift...
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How to determine the first and last iteration in a foreach loop?

...s $item) { if ($i == 0) { // first } else if ($i == $len - 1) { // last } // … $i++; } share | improve this answer | follow ...
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How can I force a hard reload in Chrome for Android

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How to print struct variables in console?

... Fruits []string `json:"fruits"` } res2D := &Response2{ Page: 1, Fruits: []string{"apple", "peach", "pear"}} res2B, _ := json.Marshal(res2D) fmt.Println(string(res2B)) That would print: {"page":1,"fruits":["apple","peach","pear"]} If you don't have any instance, then you need...
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Overload constructor for Scala's Case Classes?

... 190 Overloading constructors isn't special for case classes: case class Foo(bar: Int, baz: Int) {...
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Cast Object to Generic Type for returning

... 212 You have to use a Class instance because of the generic type erasure during compilation. publi...