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Rails: How does the respond_to block work?
... me. I still find it unintuitive. Ruby seems to use this technique quite a bit. The entire class (responder) becomes the method implementation. In order to leverage method_missing, we need an instance of the class, so we're obliged to pass a callback into which they pass the method-like object. For ...
How to get a reference to a module inside the module itself?
...is seems like a really nice way to avoid importing sys. Other than being a bit counter-intuitive to read are there any potential downsides to this approach?
– JeremyDouglass
Nov 24 '17 at 21:53
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Hidden Features of PHP? [closed]
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@Phoexo "little bit less read-able" ??? I never understanded and will never understand MSDN, while PHP docs are easy and clear.
– lauriys
Feb 13 '10 at 12:13
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Command line for looking at specific port
...ort.
– Steve Chambers
Nov 28 '17 at 10:29
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Reverse colormap in matplotlib
...polated) have a colors attribute. Reversing LinearSegmentedColormaps is a bit more complex. (You need to reverse every item in the _segmentdata dict.)
– Joe Kington
Jun 15 '13 at 21:22
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What does the [Flags] Enum Attribute mean in C#?
...e values, rather than a single value. Such collections are often used with bitwise operators, for example:
var allowedColors = MyColor.Red | MyColor.Green | MyColor.Blue;
Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() ...
Parse JSON String into a Particular Object Prototype in JavaScript
...t.assign(..) recursively that can automatically resolve properties (with a bit of information provided in advance)
– vir us
Dec 8 '17 at 16:13
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
... very simple compared to online SVM fitting, and predicting can be quite a bit faster.
EDIT: all of the above pertains to the general case of kernelized SVMs. Linear SVM are a special case in that they are parametric and allow online learning with simple algorithms such as stochastic gradient desce...
How to avoid .pyc files?
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There actually IS a way to do it in Python 2.3+, but it's a bit esoteric. I don't know if you realize this, but you can do the following:
$ unzip -l /tmp/example.zip
Archive: /tmp/example.zip
Length Date Time Name
-------- ---- ---- ----
8467 11-26-02 22...
How to write inline if statement for print?
...hen the condition isn't met. The
conditional syntax makes this pattern a bit more obvious:
contents = ((doc + '\n') if doc else '')
So I think overall this is a reasonable way of approching it but you can't argue with the simplicity of:
if logging: print data
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