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How do I create directory if none exists using File class in Ruby?

... 154 You can use FileUtils to recursively create parent directories, if they are not already presen...
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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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Is there a Subversion command to reset the working copy?

... 180 You can recursively revert like this: svn revert --recursive . There is no way (without writ...
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap

...s, sm, md, lg) for now, I'll start with just the numbers... the numbers (1-12) represent a portion of the total width of any div all divs are divided into 12 columns so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 columns (the entire width), etc So, if you want two eq...
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Number of lines in a file in Java

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How can I make my flexbox layout take 100% vertical space?

... 116 You should set height of html, body, .wrapper to 100% (in order to inherit full height) and th...
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Why does integer division in C# return an integer and not a float?

... 100 While it is common for new programmer to make this mistake of performing integer division when...
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Find index of last occurrence of a sub-string using T-SQL

...ons found elsewhere work only so long as the text you are searching for is 1 character long. 22 Answers ...
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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...