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How can I make my custom objects Parcelable?
...s here, here (code is taken here), and here.
You can create a POJO class for this, but you need to add some extra code to make it Parcelable. Have a look at the implementation.
public class Student implements Parcelable{
private String id;
private String name;
private Strin...
How to convert an array of strings to an array of floats in numpy?
...ding the data in as a list, just do np.array(map(float, list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.)
However, if it's already a numpy array of strings, there's a bett...
Verify version of rabbitmq
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sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2.6.1"},
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
Note : Things have moved on since this question was asked; see here for a good recent overview.
11 Answers
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Empty Git submodule folder when repo cloned
I have one repo hosted at https://github.com/aikiframework/json . On my local copy, I added a submodule using the command
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If unit testing is so great, why aren't more companies doing it? [closed]
The first real software company that I worked at was all about the unit testing (NUnit). I don't know that we were real sticklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testi...
Order discrete x scale by frequency/value
... ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
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Converting a Date object to a calendar object [duplicate]
So I get a date attribute from an incoming object in the form:
3 Answers
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
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Yes, the code is standard conforming. The + triggers a conversion to a plain old function pointer for the lambda.
What happens is this:
The compiler sees the first lambda ([]{}) and generates a closure object according to §5.1.2. As the lambda is a non-c...
What is the yield keyword used for in C#?
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The yield keyword actually does quite a lot here.
The function returns an object that implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yie...
