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How to pattern match using regular expression in Scala?

...Regex(sc.parts.mkString, sc.parts.tail.map(_ => "x"): _*) } scala> "123" match { case r"\d+" => true case _ => false } res34: Boolean = true Even better one can bind regular expression groups: scala> "123" match { case r"(\d+)$d" => d.toInt case _ => 0 } res36: Int = 123 sc...
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Why and How to avoid Event Handler memory leaks?

... I have explained this confusion in a blog at https://www.spicelogic.com/Blog/net-event-handler-memory-leak-16. I will try to summarize it here so that you can have a clear idea. Reference means, "Need": First of all, you need to understand that, if object A holds a re...
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How can you hide database output in Rails console?

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PHP Array to CSV

...ilt in php function fputcsv takes care of commas, quotes and etc.. Look at https://coderwall.com/p/zvzwwa/array-to-comma-separated-string-in-php http://www.php.net/manual/en/function.fputcsv.php share | ...
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How to read and write INI file with Python3?

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Configuring so that pip install can work from github

...$ pip install git+ssh://git@github.com/myuser/foo.git or $ pip install git+https://github.com/myuser/foo.git@v123 or $ pip install git+https://github.com/myuser/foo.git@newbranch More info at https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support ...
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If vs. Switch Speed

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What's the difference between RouteLink and ActionLink in ASP.NET MVC?

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What is the http-header “X-XSS-Protection”?

...w this header works. How this filter works in IE, More on this article, https://blogs.msdn.microsoft.com/ie/2008/07/02/ie8-security-part-iv-the-xss-filter/ The XSS Filter operates as an IE8 component with visibility into all requests / responses flowing through the browser. When the filter ...
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java.util.regex - importance of Pattern.compile()?

...ch is really called a lot :) public class AmountValidator { //Accept 123 - 123,456 - 123,345.34 private static final String AMOUNT_REGEX="\\d{1,3}(,\\d{3})*(\\.\\d{1,4})?|\\.\\d{1,4}"; //Compile and save the pattern private static final Pattern AMOUNT_PATTERN = Pattern.compile(AM...