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Converting camel case to underscore case in ruby

...A-Z][a-z])/, '\1_\2'). gsub(/([a-z])([A-Z])/, '\1_\2'). downcase end "FooBar".snake_case #=> "foo_bar" "HeadlineCNNNews".snake_case #=> "headline_cnn_news" "CNN".snake_case #=> "cnn"
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Is there YAML syntax for sharing part of a list or map?

... what you want. It uses a special << mapping key to indicate merges, allowing an alias to a mapping (or a sequence of such aliases) to be used as an initializer to merge into a single mapping. Additionally, you can still explicitly override values, or add more that weren't present in the merge...
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How to get an MD5 checksum in PowerShell

...h = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath))) Starting in PowerShell version 4, this is easy to do for files out of the box with the Get-FileHash cmdlet: Get-FileHash <filepath> -Algorithm MD5 This is certainly preferable since it a...
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How to create a jQuery plugin with methods?

... plugin that will provide additional functions/methods to the object that calls it. All the tutorials I read online (have been browsing for the past 2 hours) include, at the most, how to add options, but not additional functions. ...
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Error “initializer element is not constant” when trying to initialize variable with const

...tatic pointer defined inside a function, this is error: static int* ptr = malloc(sizeof(int)*5); but this is NOT an error: static int* ptr; ptr = malloc(sizeof(int)*5); :D – aderchox Jan 5 '19 at 19:33 ...
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How to do associative array/hashing in JavaScript

...numbers as index. Create an object with var dictionary = {}; JavaScript allows you to add properties to objects by using the following syntax: Object.yourProperty = value; An alternate syntax for the same is: Object["yourProperty"] = value; If you can, also create key-to-value object maps with...
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How to get “wc -l” to print just the number of lines without file name?

...is the most concise, and awk and perl seem a bit overkill, but they should all be relatively fast and portable enough. Also note that some of these can be adapted to trim surrounding whitespace from general strings, as well (along with echo `echo $FOO`, another neat trick). ...
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How to call methods dynamically based on their name? [duplicate]

How can I call a method dynamically when its name is contained in a string variable? For example: 5 Answers ...
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Overload with different return type in Java?

... alone is not sufficient for the compiler to figure out which function to call: public int foo() {...} public float foo() {..} ... foo(); // which one? share | improve this answer | ...
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What Automatic Resource Management alternatives exist for Scala?

... For now Scala 2.13 has finally supported: try with resources by using Using :), Example: val lines: Try[Seq[String]] = Using(new BufferedReader(new FileReader("file.txt"))) { reader => Iterator.unfold(())(_ => Option(reader.readLine()).ma...