dx | simplify DirectX-related development | SDK library
kandi X-RAY | dx Summary
kandi X-RAY | dx Summary
dx.h is a modern C++ library that aims to simplify DirectX-related development in C++. This is an archive of the dx.h library I wrote several years ago and originally published on CodePlex.
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dx Examples and Code Snippets
def gradients_v2(ys, # pylint: disable=invalid-name
xs,
grad_ys=None,
name="gradients",
gate_gradients=False,
aggregation_method=None,
stop_gradien
def gradients(ys,
xs,
grad_ys=None,
name="gradients",
colocate_gradients_with_ops=False,
gate_gradients=False,
aggregation_method=None,
stop_gradients=N
def _compute_theoretical_jacobian(x, x_shape, x_data, dy, dy_shape, dx,
extra_feed_dict):
"""Computes the theoretical Jacobian for dy/dx.
Computes the theoretical Jacobian using the ops generated by
compute_gr
Community Discussions
Trending Discussions on dx
QUESTION
I am trying to compute the divergence of a vector field:
...ANSWER
Answered 2021-Jun-15 at 15:26Let me 1. explain the reason behind this observation, and 2. how to fix it.
Reason:One needs to be careful about how the data is oriented when computing the divergence (or the gradient in general), since it is important to compute the gradient along the correct axis to obtain a physically valid result.
np.meshgrid can output the mesh in two ways, depending on how you set the index parameter
Index "xy" : Here, for every y value, we sweep the x-values.QUESTION
ANSWER
Answered 2021-Jun-15 at 05:47Chris W. is 100% correct, using a vector editor like Adobe Illustrator, Inkscape, or Affinity Designer will make your life much easier when working with complex shapes in SVG. However, for simple shapes like this it doesn't hurt to understand the inner-workings of SVG curves. Not only will it help you malke mathematically perfect shapes but your code will also (usually) be much smaller than what an editor will produce.
The example I'm showing here is only one possible approach out of many to accomplishing this shape. I'll explain the procedure and series of commands briefly but I've also included a second copy of your shape with comments and additional shapes to highlight what the control points are doing (this helps me visualize SVG code).
First it moves to a point at x0, y 100 and draws a relative cubic curve (c) whose first control point is right 100px from the start point with no vertical change and whose second control point is right 180px and up 90px from the start point. The following s curve assumes that it will reflect the previous control point of the c curve before it so it only needs it's second control point and end point specified both of which are designated relative to the end point of the c curve and mirror the previous control points of the c curve. The rest is an absolute vertical line (V) to the bottom of the SVG, an absolute horizontal line to the bottom left corner (H) and a Z to close the path. SVG is awesome, hope this helps you.
QUESTION
I know how to create a panResponder but im not sure how to create multiple instances of it. for eg. I have an array of elements that moves independently and i have to attach each reponders respectively to the element to get the layout values from it. Any help would be appreciated been stuck for long time.
...ANSWER
Answered 2021-Jun-15 at 04:18- You could create a multiple instances of refs to the Parent component itself according to the array and attach
PanResponder
to it
QUESTION
I trying to calculate ADX indicator using using library called ta
- link
I am using yahoo finance API to get the data.
this is my code
...ANSWER
Answered 2021-Jun-14 at 21:21You can concat them:
QUESTION
I'm still learning asm. im trying to find out why ax reg turns to 28 and not 25. I'm using emu8086.
...ANSWER
Answered 2021-Jan-02 at 23:49Values in assembly are usually in hex, explicitly stated with the h
at the of 0050h
50h
or0x50
is80
in base 10
80/2=40
40
in hex is0x28
therefore your result is0x28
or28h
QUESTION
hello I'm trying to implement 2 recycler view in one layout, one is horizontal on the top of the layout and below that is the second which is vertical, what I want is when the vertical recycler view scrolls the horizontal will remain hide until the vertical comes back to the starting position
here is the code
...ANSWER
Answered 2021-Jun-12 at 10:19postRecyclerView1.Visiblity=View.gone
recyclerViewHome.Visiblity=View.visible
QUESTION
hello im trying to hide the horizontal recyclerview when vertical recyclerview scroll i have tried to implement this method but there is an error
...boolean cannot be converted to int horizontalRecyclerView.setVisibility(recyclerView.canScrollVertically(-1));
ANSWER
Answered 2021-Jun-14 at 06:15setVisibility
method doesn't take boolean
param, which is returned by canScrollVertically
. you have to set one of these params (int
s)
visibility int: One of VISIBLE, INVISIBLE, or GONE. Value is VISIBLE, INVISIBLE, or GONE
so
QUESTION
I am creating my first x86 assembly program. I am using VS Code as my editor and using Insight as my debugger coupled with DOSBox as my emulator.
As a start I have created a .asm
program to change to colour of the screen:
ANSWER
Answered 2021-Jun-14 at 05:29While DOSBox emulates a 32-bit CPU, DOS itself runs in 16-bit real mode, without tools like DOS4gw, used in some DOS Games, such as Doom.
I think the -f win32
command line option is to blame for this error.
QUESTION
I've tried for the last few days without too much success to rotate, scale and translate shapes on the canvas. I've read everything I could find on internet about similar issues but still I cannot seem to be able to adapt it to my own problem.
If everything is drawn on the same scale, I can still drag and drop. If I rotate the shapes, then the mouseOver
is messed up since the world coordinates don't correspond anymore with the shape coordinates.
If I scale, then it's impossible to select any shape.
I look at my code and do not understand what I'm doing wrong.
I read some really nice and detailed stackoverflow solutions to similar problems.
For example, user @blindman67 made a suggestion of using a setTransform
helper and a getMouseLocal
helper for getting the coordinates of the mouse relative to the transformed shape.
I spent some time with that and could not fix my issue. Here is an example of what I tried. Any suggestion is appreciated.
...ANSWER
Answered 2021-Jun-14 at 02:31If I have time tomorrow I will try to implement the following to your code but I can provide you with a working example of how to get mouse collision precision on a rotated rectangle. I had the same struggle with this and finally found a good explanation and code that I was able to get to work. Check out this website
Now for my own implementation I did not use the method on that website to get my vertices. As you'll see in my code I have a function called updateCorners()
in my Square
class. I also have objects called this.tl.x
and this.tl.y
(for each corner).
The formulas are what I use to get vertices of a translated and rotated rectangle and the corner objects are what are used to determine collision. From there I used the distance()
function (Pythagorean theorem), the triangleArea()
function, and then the clickHit()
function which I renamed to collision()
and changed some things.
Example in the snippet below
QUESTION
These codes convert uppercase letters ("letters only") to lowercase letters and lowercase letters to uppercase. My question is that I want to print them as well and keep them unchanged, if any (non-verbal symbols and actors). With the cmp and ... commands that you see in the program
...ANSWER
Answered 2021-Jun-13 at 16:03You need to restrict the ranges for the uppercase and lowercase characters by specifying a lower limit and a higher limit, not just the one value (96) that your current code uses.
Uppercase characters [A,Z] are in [65,90]
Lowercase characters [a,z] are in [97,122]
The nice thing of course is that you don't actually need to write these numbers in your code. You can just write the relevant characters and the assembler will substitute them for you:
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