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Is there a performance difference between i++ and ++i in C++?

... | edited Mar 29 '18 at 20:08 zar 8,36377 gold badges6868 silver badges125125 bronze badges answered Au...
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Track the time a command takes in UNIX/LINUX?

... Paolo 14.9k1818 gold badges7575 silver badges108108 bronze badges answered Aug 23 '12 at 17:22 squiguysquiguy 28k66 gold bad...
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Read Excel File in Python

... 70 This is one approach: from xlrd import open_workbook class Arm(object): def __init__(self,...
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Truncate (not round) decimal places in SQL Server

... | edited Oct 10 '18 at 16:03 Paul 3,82911 gold badge2222 silver badges4646 bronze badges ans...
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How to round up to the nearest 10 (or 100 or X)?

... If you just want to round up to the nearest power of 10, then just define: roundUp <- function(x) 10^ceiling(log10(x)) This actually also works when x is a vector: > roundUp(c(0.0023, 3.99, 10, 1003)) [1] 1e-02 1e+01 1e+01 1e+04 ..but if you want to round to a "nice"...
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How do I change the color of radio buttons?

... answered Nov 23 '10 at 8:10 FredFred 3,7602626 silver badges4141 bronze badges ...
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How to pass an ArrayList to a varargs method parameter?

...toArray(new WorldLocation[locations.size()])) (toArray(new WorldLocation[0]) also works, but you would allocate a zero length array for no reason.) Here's a complete example: public static void method(String... strs) { for (String s : strs) System.out.println(s); } ... List&lt...
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Relationship between SciPy and NumPy

...mespace is included into scipy when the scipy module is imported. The log10 behavior you are describing is interesting, because both versions are coming from numpy. One is a ufunc, the other is a numpy.lib function. Why scipy is preferring the library function over the ufunc, I don't know off the t...
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Redirect using AngularJS

... 109 With an example of the not-working code, it will be easy to answer this question, but with this...
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Vim: What's the difference between let and set?

...lar to "ordinary" variables). So, the following are equivalent: :set tw=40 :let &tw=40 But, for example, assigning 50 to the global variable foo (:let g:foo=50) cannot be achieved with a :set command (because g:foo is a variable and not an option). Some options are boolean like. When settin...