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How to make a great R reproducible example

...used for making factors. A few examples : random values : x <- rnorm(10) for normal distribution, x <- runif(10) for uniform distribution, ... a permutation of some values : x <- sample(1:10) for vector 1:10 in random order. a random factor : x <- sample(letters[1:4], 20, replace = TR...
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Regular expression for a hexadecimal number?

... answered Feb 10 '12 at 1:10 Steven SchroederSteven Schroeder 4,72611 gold badge1818 silver badges1515 bronze badges ...
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How to see which flags -march=native will activate?

... 10 I'm going to suggest that this is suboptimal. The output of --help=target doesn't display CPU cache information, of which the methods both ...
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How can I check for “undefined” in JavaScript? [duplicate]

... answered Aug 2 '10 at 17:58 AnuragAnurag 129k3333 gold badges210210 silver badges253253 bronze badges ...
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How do I convert a Ruby class name to a underscore-delimited symbol?

... | edited Jun 28 '19 at 10:43 answered Sep 3 '14 at 9:09 ...
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Store query result in a variable using in PL/pgSQL

...referable. – Erwin Brandstetter Sep 10 '12 at 17:24 Actually i do prefere your syntax, but the problem is when you wan...
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Gradle, “sourceCompatibility” vs “targetCompatibility”?

...tools/… ? – Brian Agnew Feb 11 at 10:09 add a comment  |  ...
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Filtering a list based on a list of booleans

...True, False, True, False] >>> %timeit list(compress(list_a, fil)) 100000 loops, best of 3: 2.58 us per loop >>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner 100000 loops, best of 3: 1.98 us per loop >>> list_a = [1, 2, 4, 6]*100 >>> fil = [True, False...
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What is your single most favorite command-line trick using Bash? [closed]

... 105 Answers 105 Active ...
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No Main() in WPF?

...s necessary). Look in obj/debug for an app file; I have (courtesy of "C# 2010 Express") App.g.i.cs with: namespace WpfApplication1 { /// <summary> /// App /// </summary> [System.CodeDom.Compiler.GeneratedCodeAttribute("PresentationBuildTasks", "4.0.0.0")] public pa...