gonn | Building a simple neural network in Go | Machine Learning library
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Building a simple neural network in Go
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QUESTION
I want to build a Blazor Server Side app that calls an ASP NET Core Web API that requires authentication/authorization using the Microsoft AspNetCore Identity. I have gonne so far to login, but couldn't find a way to send the cookie after login and delete it on logout.
I have searched extensively, but only found for OAuth, OpenID, Azure, AD, IdentityServer4, ClientSide etc...
...ANSWER
Answered 2021-Feb-12 at 02:25As far as I know, the asp.net core identity contains the login view and login action method, there is no build-in that support web api. If you want to use web api with identity, you should inject the user manager and build the authentication controller by yourself.
More details, I suggest you could refer to this article.
Besides for client side part, I suggest you could try to refer to this blog to know how to authentication with client-side Blazor using WebAPI.
This article provide a complete example to authentication with client-side Blazor using WebAPI and ASP.NET Core Identity and configuring Role-based Authorization with client-side Blazor.
It also contains the github for this example.
QUESTION
i have a working peace of code, which takes a Batchsize from 32 Image with the shape of 256*256 and i can train my neuronal network.
...ANSWER
Answered 2020-Jun-05 at 17:47You need to be careful when using -1
in views, since it just uses the remaining size and if that doesn't correspond to your intentions, you won't immediately know that it didn't behave as expected. You should particularly avoid -1
for the batch dimension, because you can mistakenly change the batch size, which should not change and their data should be independent from each other.
Given an input of size [32, 3, 256, 256] the output after the convolutions has size [32, 24, 14, 14], which can be flattened to [32, 4704], as you anticipated in the first version. When you change the input to size [32, 3, 50, 50], the output after the convolutions has size [32, 24, 1, 1], which can clearly not be converted to size [32, 768], because flattening it, would result in a size of [32, 24]. Given that 32 * 24 = 768
, you incorrectly combine the batches into one, creating a tensor of size [1, 768], and if you had used a different batch size, it wouldn't even work.
The correct input size to the first linear should be 24:
QUESTION
I'm trying to make a website where users can make a pdf. I want to show the pdf directly next to the button when I press "create worksheet". I tried to do it with javascript and php, but I get a weird syntax in my iframe instead of the actual pdf. Does anybody know the correct way of doing this?
...ANSWER
Answered 2019-Oct-13 at 20:25Firstly, the issue is the browser will not interpret the PDF data as a PDF in that way. srcdoc
is treated as raw HTML.
There are a couple of different ways to accomplish your "generate on click" functionality:
1) You could just drop the AJAX entirely and just use HTML form markup to accomplish this. Using the target
attribute on the form element to target your PDF viewer iframe.
QUESTION
I want to show that the recursion of quicksort run on best time time on n log n.
i got this recursion formula
...ANSWER
Answered 2019-Sep-10 at 22:41You indeed want to get rid of k
. To do this, you want to find the lower bound on the minimum of M(k) + M(n - k - 1)
. In general it can be arbitrarily tricky, but in this case the standard approach works: take derivative by k
.
QUESTION
There is a white burger menu. The problem is that in my project in some places of the site it is not visible due to the opaque background. The task is to write a script that should change color depending on the background color to a contrasting color. In the code below, for example, on a black background, the menu should turn white. The original plan was to assign a different id to each block, and when the menu icon hits a new section, it changes color. But due to poor knowledge, js did not work. Also link to codepen:
...ANSWER
Answered 2019-Sep-02 at 09:38Rather than approach this with JavaScript, you might find a CSS based solution using mix-blend-mode
to be a more robust and flexible alternative.
The mix-blend-mode
property allows you to control the blending behavior of an element against it's background. In your case, the contrasted appearance can be achieved via the "difference" blend mode to ensure the burger bars are visible in most cases.
The difference blend mode can be thought of as "color inversion" - when applied to your burger menu, this would ensure that the menu is visible under most backgrounds. The other nice thing about this approach is that it will work against most solid color, image or gradient backgrounds.
You can make use of blending for your menu by adding the following CSS:
QUESTION
I am writing a XLL (using XLW library) that calls a DLL function. This DLL function will get a vector reference, modify the vector and return it by argument.
I have a VS10 solution with several c++ projects, some DLLs and a XLL that will call DLL functions from excel. I compiled everything using VS10 compiler, with _HAS_ITERATOR_DEBUGGING=0
and _CRT_SECURE_NO_WARNINGS
and used same runtime library (/MDd) for all projects.
I also had to rebuild the XLW library to comply with _HAS_ITERATOR_DEBUGGING=0
that I have to use in my projects.
When calling the xll_function I was getting Heap Corruption errors and couldn't figure out why. After I tried resizing my vector before calling the dll function the error was gonne. That is, I can call the function and get the right vector returned by argument and no heap corruptions.
Could someone shed some light on this? As I am new to using DLLs I'm not sure if this should happen or if I am doing something wrong.
As you can see in the code below, the dll function will try to resize forwards
and that is the point that I think is generating the heap errors.
I'm trying to understand why this happens and how this resizing and allocation works for dlls. Maybe I can't resize a vector allocated in another heap.
** Code below - the first function is a static method in a class from a dll project and the second function is exported to the XLL.
...ANSWER
Answered 2019-Jun-20 at 12:27To pass references to std::vector or other C++ collections across DLL boundaries, you need to do following.
Use same C++ compiler for both modules, and same version of the compiler.
In project settings, set up same value to the setting General / Platform Toolset.
In project settings, set up C/C++ / Code Generation / Runtime Library value to “Multi-threaded DLL (/MD)”, or Multi-threaded Debug DLL (/MDd) for debug config. If one of the projects have a dependency which requires static CRT setting, sorry you’re out of luck, it won’t work.
Use same configuration in both sides: if you’ve built debug version of the DLL, don’t link with release version of the consuming EXE. Also don’t change preprocessor defines like _ITERATOR_DEBUG_LEVEL or _SCL_SECURE_NO_WARNINGS, or if you did, change them to the same value for both projects.
The reason for these complications, C++ doesn’t have standardized ABI. The memory layout of std::vector and other classes changes based on many things. Operators new
and delete
are also in C++ standard library, i.e. you can’t allocate memory with C++ in one module, free in different one.
If you can’t satisfy these conditions, there’re several workarounds, here’s a nice summary: https://www.codeproject.com/Articles/28969/HowTo-Export-C-classes-from-a-DLL
QUESTION
The rays keep casting on the wrong "wall", but only if the lamp is more in the bottom right. If the lamp is in the left up corner everything is working fine.
I have tried a lot of things, but last time I had a problem I wrote I checked the formulars many times and in the end it was a problem with the formular so I am not even gonne try
(https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection)
function for finding the closest wall:
...ANSWER
Answered 2019-May-26 at 18:39The code
QUESTION
So there was a file in one of my projects which was deleted, no one knows when or why, it's just gonne. (a few months probably). Problem is i only know a part of the name, not the full name. How can i search the files added/removed in commits (not commit message) for this?
The file should look like something_something.*.xml
, any ideas? [the * can be a string, or multiple string separated by underscore, dash or dot]
ANSWER
Answered 2019-Jan-04 at 13:56You can do git log --all --full-history -- **/theFile.*
QUESTION
I am trying to create a tabview in Xamarin IOS where the user will be able to add new tabs by pressing a button. I want all of the tabs to be created from a single tableview controller that I have created in the story board with several prototype cells on it. When I try to create a tab using the view controller it loads the correct number of cells, but all of them are blank. I don't get any kind of error either.
Here is the code for one of my prototype cells:
...ANSWER
Answered 2017-Jun-28 at 15:34I don't really understand the part with the Tabs but to fix the empty cells just remove this line:
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