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Does MSTest have an equivalent to NUnit's TestCase?

...a4b5", "345")] [DataRow("3&5*", "35")] [DataRow("123", "123")] public void StripNonNumeric(string before, string expected) { string actual = FormatUtils.StripNonNumeric(before); Assert.AreEqual(expected, actual); } } Again, V...
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How to set environment variables in Python?

... Environment variables must be strings, so use os.environ["DEBUSSY"] = "1" to set the variable DEBUSSY to the string 1. To access this variable later, simply use: print(os.environ["DEBUSSY"]) Child processes automatically inherit the environment variables of the par...
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Using os.walk() to recursively traverse directories in Python

... This will give you the desired result #!/usr/bin/python import os # traverse root directory, and list directories as dirs and files as files for root, dirs, files in os.walk("."): path = root.split(os.sep) print((len(path) - 1) * '---', os.path.basename(root)) for file in fi...
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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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Detecting Windows or Linux? [duplicate]

...he commons lang has a class SystemUtils.java you can use : SystemUtils.IS_OS_LINUX SystemUtils.IS_OS_WINDOWS share | improve this answer | follow | ...
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Deleting all files in a directory with Python

... Via os.listdir and os.remove: import os filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ] for f in filelist: os.remove(os.path.join(mydir, f)) Or via glob.glob: import glob, os, os.path filelist = glob.g...
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Is REST DELETE really idempotent?

...ot all-effects or responses. If you do a DELETE http://example.com/account/123 then the effect is that account 123 is now deleted from the server. That is the one and only effect, the one and only change to the state of the server. Now lets say you do the same DELETE http://example.com/account/123 ...
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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(dirpath, f) # skip if it is symbolic li...
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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...
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Why catch and rethrow an exception in C#?

...ple, in VB you can do Try .. Catch Ex As MyException When Ex.ErrorCode = 123 .. End Try ...which would not handle MyExceptions with different ErrorCode values. In C# prior to v6, you would have to catch and re-throw the MyException if the ErrorCode was not 123: try { ... } catch(MyExcepti...