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Checking for NULL pointer in C/C++ [closed]

... 206 In my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on ...
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Difference between map and collect in Ruby?

...well: In C++'s Standard Template Library, it is called transform, in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these language...
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How to escape braces (curly brackets) in a format string in .NET

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CSS: background image on background color

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SVG fill color transparency / alpha?

...nal attribute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent. For example: <rect ... fill="#044B94" fill-opacity="0.4"/> Additionally you have the following: stroke-opacity attribute for the stroke opacity for the ...
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How to install Android SDK Build Tools on the command line?

... | edited Aug 24 '16 at 0:54 trygub 8788 bronze badges answered Oct 17 '13 at 0:24 ...
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How do I change the background color of a plot made with ggplot2

...| edited Apr 12 '14 at 16:05 PatrickT 6,92955 gold badges5454 silver badges9090 bronze badges answered J...
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binning data in python with scipy/numpy

... easier to use numpy.digitize(): import numpy data = numpy.random.random(100) bins = numpy.linspace(0, 1, 10) digitized = numpy.digitize(data, bins) bin_means = [data[digitized == i].mean() for i in range(1, len(bins))] An alternative to this is to use numpy.histogram(): bin_means = (numpy.histo...
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime

...yV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/> <requiredRuntime version="v4.0.20506" /> </startup> share | imp...
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python pandas: apply a function with arguments to a series

... 170 Newer versions of pandas do allow you to pass extra arguments (see the new documentation). So no...