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QUESTION
I know this question has been asked many times, but I still can't figure out what to do (more below).
I'm trying to spawn a new thread using std::thread::spawn and then run an async loop inside of it.
The async function I want to run:
...ANSWER
Answered 2021-Jun-14 at 17:28#[tokio::main] converts your function into the following:
QUESTION
I was reading a decent paper S-DCNet and I fell upon a section (page3,table1,classifier) where a convolution layer has been used on the feature map in order to produce a binary classification output as part of an internal process. Since I am a noob and when someone talks to me about classification I automatically make a synapse relating to FCs combined with softmax, I started wondering ... Is this a possible thing to do? Can indeed a convolutional layer be used to classify a binary outcome? The whole concept triggered my imagination so much that I insist on getting answers...
Honestly, how does this actually work? What is the difference between using a convolution filter instead of a fully connected layer for classification purposes?
Edit (Uncertain answer on how does it work): I asked a colleague and he told me that using a filter of the same shape as the length-width shape of the feature map at the current stage, may lead to a learnable binary output (considering that you also reduce the #channels of the feature map to a single channel). But I still don't understand the motivations behind such a technique ..
...ANSWER
Answered 2021-Jun-13 at 08:43Using convolutions as FCs can be done (for example) with filters of spatial size (1,1) and with depth of the same size as the FC input size.
The resulting feature map would be of the same size as the input feature map, but each pixel would be the output of a "FC" layer whose weights are the weights of the shared 1x1 conv filter.
This kind of thing is used mainly for semantic segmentation, meaning classification per pixel. U-net is a good example if memory serves.
Also see this.
Also note that 1x1 convolutions have other uses as well.
paperswithcode probably some of the nets there use this trick.
QUESTION
I have trouble understanding something about simd_packed vectors in the simd module in Swift. I use the example of float4, I hope someone can help.
My understanding is that simd_float4 is a typealias of SIMD4< Float>, and MemoryLayout< Float>>.alignment = 16 (bytes), hence MemoryLayout.alignment = 16. Makes sense.
But the following I do not understand: simd_packed_float4 is also a typealias of SIMD4. And so MemoryLayout.alignment = 16.
What is the point of the "packed" in simd_packed_float4, then? Where is the "relaxed alignment" that the documentation talks about?
In the Metal Shader Language Specification (Version 2.4) (
https://developer.apple.com/metal/Metal-Shading-Language-Specification.pdf)
in Table 2.4 (p.28), it says the alignment of packed_float4 is 4 (which is also the alignment of the scalar type, float), so this IS a "relaxed alignment" (as compared to the 16). That makes sense on its own, but how do I reconcile this to the above (simd_packed_float4 is typealias of SIMD4 and MemoryLayout = 16)?
ANSWER
Answered 2021-Jun-12 at 03:45I actually think it's impossible to achieve relaxed alignment like this with a packed type in Swift. I think Swift compiler just can't bring the alignment attributes to actual Swift interface.
I think this makes simd_packed_float4 useless in Swift.
I have made a playground to check this, and using it as it's intended doesn't work.
QUESTION
I'm coming to kotlin after working in mostly dynamically typed languages for years, so I get a lot of what I'm seeing, but I'm still tripping up a bit over reading some of the type annotations.
Most of them make sense (I've written some C++ and typescript so I'm not wholey familiar with more strictly type languages). so stuff like annotating the parameters and return types for functions, variable declaration, stuff like that makes sense.
What I'm having trouble with is the more complex annotations like looking at this explanation of the fold method when talking about higher order functions:
...ANSWER
Answered 2021-Jun-09 at 22:23 are the type parameters. Since you are familiar with C++, it's like
QUESTION
I created the following example code to minimally reproduce my problem:
...ANSWER
Answered 2021-Jun-09 at 18:32You have some options to do that:
You can use
interfacefor that:
QUESTION
//import
@EventBusSubscriber
public class RegistryHandler {
@SubscribeEvent
public static void onItemRegister(RegistryEvent.Register event) {
event.getRegistry().registerAll(ItemInit.ITEMS.toArray(new Item[0]));
}
@SubscribeEvent
public static void onBlockRegister(RegistryEvent.Register event) {
event.getRegistry().registerAll((Block[]) BlockInit.BLOCKS.toArray());
}
public static void onModelRegister(ModelRegistryEvent event) {
for (Item item : ItemInit.ITEMS) {
if (item instanceof IHasModel) {
((IHasModel)item).registerModels();
}
}
for (Block block : BlockInit.BLOCKS) {
if (block instanceof IHasModel) {
((IHasModel)block).registerModels();
}
}
}
ANSWER
Answered 2021-Jun-09 at 12:58Here's the important part of your error log:
QUESTION
Per this
...ANSWER
Answered 2021-Jun-09 at 01:08Go has complex numbers as a built-in numeric type, including support for complex literals. They're a relatively obscure feature, but they use a fairly standard notation.
The reason for the confusion may be that you have this variable i. That variable is actually not used in your program. The "i" character you see in 2 * 2i is actually being consumed by the complex number literal. It is not related to the variable i.
Try moving the variable declaration down like this:
QUESTION
I am working on a data table that talks about streets consisting of a single column. Each street is a block of rows of variable length The first line contains the name of the street, and the others lines various details Each street is separated from another street by a cell containing 4 stars. How do I reorganize my data?
...ANSWER
Answered 2021-Jun-08 at 12:37Here's one option using tidyverse -
QUESTION
Here is a link to a two slide slickR carousel that works well on a desktop but when viewed on an iphone, the image is cut off. ie it is not responsive.
How do I use slickR's carousel with images and have it work on both desktop and mobile without images being cutoff?
Do I need to add the responsive behaviour manually? The original JS page talks about it, but I'm not sure how to translate that to R.
R Script
...ANSWER
Answered 2021-Jun-08 at 12:21By default "auto" is set for .slick-slide img's width property. You can overwrite this setting using relative css units (% / vw / vh) to rescale the image:
Edit: removed the column chaos and calculated relative positions for the arrows.
QUESTION
For the following sample data dat, is there a way to calculate min and max while handling NAs. My input is:
ANSWER
Answered 2021-Jun-08 at 11:12The following solution seems to work with the transform() function:
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