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It is enough to do collect(sarr) or Matrix(sarr).

Note, however that your code uses untyped containers which is not recommended. Indexes in arrays are Ints so it should be:

You could do that with CSS or the style prop in React.

I'm assuming your storing the state of the radio buttons somewhere?

When you map through the array, you can check if the current radio button's value is equal to the value of the current state. If they are the same, you can add the class or style to style the label.

I believe the issue here is that you are not waiting for the image to actually be loaded. The loadImage function is asynchronous. That is, it only starts the process of loading the image, but it returns before it actually finish loading the image. So any code that comes after that will run immediately, while the loading is still in progress. You can use the callback function to run code after loading is complete. Here's a modified version of your code that should alleviate the problem:

In HoloViews, axes are shared if they are considered to have the same Dimension. Dimensions are considered the same if they have the same name and (optional) label, so simply changing the label is not enough to make it match a Dimension on another plot with a different name. See the user guide for the details, but here you can change the QuadMesh to declare that its x dimension is the same as the one from the Curve.

As the comment suggest, the dimensions of your u matrix which holds the z coordinates are likely flipped. A simple example to illustrate:

You were actually very close. TO get the proportion, just divide by the number of items in the group (with n() not n(x)). If you provide a list of functions to a _at function, it will apply them all to each variable selected:

The merge process is functioning as expected. If you look at the count of each attribute of the original geometry you'll get 36, but if you look at the count of each attribute of the merged indexedGeo, you'll get 24:

When I tried to change the destination ip address to 255.255.255.255 [broadcasting?]

@phipsgabler is right! Statically sized arrays have their performance advantages when the size is known statically, at compile time. My arrays are, however, dynamically sized, with the size n being a runtime variable.

Changing this yields more sensible results: