Smooth | A simple functional language target to JavaScript | Functional Programming library
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A simple functional language target to JavaScript
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Lines of Code : 16License : Permissive (MIT License)
Copydef sobel_filter(image):
kernel_x = np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]])
kernel_y = np.array([[1, 2, 1], [0, 0, 0], [-1, -2, -1]])
dst_x = np.abs(img_convolve(image, kernel_x))
dst_y = np.abs(img_convolve(image, kernel_y))
License : No LicenseCopydef smooth(x):
# last 100
n = len(x)
y = np.zeros(n)
for i in range(n):
start = max(0, i - 99)
y[i] = float(x[start:(i+1)].sum()) / (i - start + 1)
return y Community Discussions
Trending Discussions on Smooth
QUESTION
Context
Since Windows 10 version 2004 update, the Magnifier windows application was updated. And as with every update, there are some issues with it.
Since those issues might take a long time to fix, I've decided to implement my own small project full screen magnifier.
I've been developing in c#, .Net 4.6 using the Magnification API from windows magnification.dll . All went good and well, and the main functionality is now implemented. One thing is missing though, a smoothing Mode for pixelated content... Windows Magnifier implements an anti aliasing/ smoothing to the Zoomed in content.
I've checked and the Magnification API, doesn't seem to provide that option.
how do i add smoothing mode to magnifier on windows magnification API?
I'm aware of pixel smoothing methods, but not familiar with win32 API to know where to hook the smoothing method to, before the screen refreshes.
EDIT:
Thanks to @IInspectable answer, after a small search i found this call to the Magnification API in a python project.
Based on that, I wrote this snippet in my C# application , and it works as intended!
...ANSWER
Answered 2021-Jun-15 at 17:03There is no public interface in the Magnification API that allows clients to apply filtering (other than color transforms). This used to be possible, but the MagSetImageScalingCallback API was deprecated in Windows 7:
This function works only when Desktop Window Manager (DWM) is off.
Even if it is still available, it will no longer work as designed. From Desktop Window Manager is always on:
In Windows 8, Desktop Window Manager (DWM) is always ON and cannot be disabled by end users and apps.
With that, you're pretty much out of luck trying to replicate the results of the Magnifier application's upscaler using the Magnification API.
The Magnifier application appears to be using undocumented API calls to accomplish the upscaling effects. Running dumpbin /IMPORTS magnify.exe | findstr "Mag" lists some of the public APIs, as well as the following:
MagSetLensUseBitmapSmoothingMagSetFullscreenUseBitmapSmoothing
Unless you are willing to reverse-engineer those API calls, you're going to have to spend your time on another project, or look into a different solution.
A note on the upscaling algorithm: If you look closely you'll notice that the upscaled image doesn't exhibit any of the artifacts associated with smoothing algorithms.
The image isn't blurred in any way. Instead, it shows sharp edges everywhere. I don't know what upscaling algorithm is at work here. Wikipedia's entry on Pixel-art scaling algorithms lists some that have very similar properties. It might well be one of those, or a modified version thereof.
QUESTION
I'm currently learning HTML, CSS, and JavaScipt. I'm trying to make a basic project, but I'm having problems with adding a new image on the new card. When I click on the 'add item' button, I create a new card with image. However, when I add another card for the second time, my image from the first card that I created will disappear. Can someone help me on how to fix this solution. Thank you.
...ANSWER
Answered 2021-Jun-15 at 19:05Rather than using two different function, one for adding card image and one for card content, try combining both of them.. here use the code for your reference.
QUESTION
Machine Setting:
GPU: GeForce RTX 3060
Driver Version: 460.73.01
CUDA Driver Veresion: 11.2
Tensorflow: tensorflow-gpu 1.14.0
CUDA Runtime Version: 10.0
cudnn: 7.4.1
Note:
- CUDA Runtime and cudnn version fits the guide from Tensorflow official documentation.
- I've also tried for TensorFlow-gpu = 2.0, still the same problem.
Problem:
I am using Tensorflow for an objection detection task. My situation is that the program will stuck at
2021-06-05 12:16:54.099778: I tensorflow/stream_executor/platform/default/dso_loader.cc:42] Successfully opened dynamic library libcublas.so.10
for several minutes.
And then stuck at next loading process
2021-06-05 12:21:22.212818: I tensorflow/stream_executor/platform/default/dso_loader.cc:42] Successfully opened dynamic library libcudnn.so.7
for even longer time. You may check log.txt for log details.
After waiting for around 30 mins, the program will start to running and WORK WELL.
However, whenever program invoke self.session.run(...), it will load the same two library related to cuda (libcublas and libcudnn) again, which is time-wasted and annoying.
I am confused that where the problem comes from and how to resolve it. Anyone could help?
===================================
Update
After @talonmies 's help, the problem was resolved by resetting the environment with correct version matching among GPU, CUDA, cudnn and tensorflow. Now it works smoothly.
...ANSWER
Answered 2021-Jun-15 at 13:04Generally, if there are any incompatibility between TF, CUDA and cuDNN version you can observed this behavior.
For GeForce RTX 3060, support starts from CUDA 11.x. Once you upgrade to TF2.4 or TF2.5 your issue will be resolved.
For the benefit of community providing tested built configuration
CUDA Support Matrix
QUESTION
I have a self updating list of orders that is scrollable. This is the parent component, where list is updated on a timer of 2 minutes, setup like so:
...ANSWER
Answered 2021-Jun-11 at 13:10You could try using element.scrollTop to save the position of the scrollbar and then use the saved value to set the scrollTop property to where it was when the timed function is called.
(https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollTop?retiredLocale=it - https://www.javascripttutorial.net/dom/css/get-and-set-scroll-position-of-an-element/)
QUESTION
I am updating my app with new library releases and I got an issue with my database. The released app currently using Room version 2.2.6 with FTS4. Currently having LONG for rowid. The app runs smooth and no problem. But I want to use Room version 2.3.0 and according to the docs:
An FTS entity table always has a column named rowid that is the equivalent of an INTEGER PRIMARY KEY index. Therefore, an FTS entity can only have a single field annotated with PrimaryKey, it must be named rowid and must be of INTEGER affinity. The field can be optionally omitted in the class but can still be used in queries.
I should use INT not LONG.
...ANSWER
Answered 2021-Jun-15 at 04:11An FTS entity table always has a column named rowid that is the equivalent of an INTEGER PRIMARY KEY index.
In brief SQLite's INTEGER does not imply a Java/Kotlin Integer/Int/int it is a column affinity/type.
If you look at the Datatypes in SQLite3 then an INTEGER can be up to 8 bytes (64 bit signed). Which in Java/Kotlin is long/Long.
Further evidence can be seen with the SQLiteDatabase insert convenience method as it returns the id (rowid) of the inserted row not as an int but as a long.
Returns long - the row ID of the newly inserted row, or -1 if an error occurred.
SQLiteAutoincrement explains about rowid and that in theory it can be from 1-9223372036854775807 (you can even have negative values).
As such, it is wrong to use int/Int/Integer for the rowid as in theory (not that likely in practice), the rowid can be larger than an int/Int/Integer.
I should use INT not LONG.
I'd suggest that you should use Long. It makes no difference to the data as SQLite will store an integer in as little space as it can. Furthermore, it makes no difference to the table(s) that room creates as the COLUMN TYPE will be INTEGER.
QUESTION
I am trying to dynamically add items to the list in Flutter so this list runs indefinitely. (I am trying to achieve this using a ListView.builder and the Future class).
The end-effect I am seeking is an endless auto-scrolling of randomly generated images along the screen at a smooth rate (kind of like a news ticker).
Is this possible? I have been reworking for ages (trying AnimatedList etc) but cant seem to make it work!
Would love any help to solve this problem or ideas.
...ANSWER
Answered 2021-Jun-14 at 21:06In the following example code, which you can also run in DartPad, a new item is added to the list every two seconds. The ScrollController is then used to scroll to the end of the list within one second.
The timer is only used to continuously add random items to the list, you could, of course, listen to a stream (or similar) instead.
QUESTION
I want to create a slide effect: one bitmap is painted from right to left on a form's canvas. For this I use BitBlt.
I call this function in a Timer (20ms):
...ANSWER
Answered 2021-Jun-13 at 19:12You should not be drawing on the Form's Canvas from outside of its OnPaint event at all. All of the drawing should be in the OnPaint event only. Have your timer save the desired information into variables that the Form can access, and then Invalidate() the Form, and let its OnPaint event draw the image using the latest saved information.
Alternatively, simply display your BMP inside a TImage control, and then have the timer set that control's Left/Top/Width/Height properties as needed. Let the TImage handle the drawing of the image for you.
QUESTION
I have a button that I want to move randomly on hover. I want it to be able to move anywhere not pseudorandom, but truly random. The code I have only made the button go to the bottom right.
Also, if possible, if you could make an animation to make the animation smooth, that would be greatly appreciated.
...ANSWER
Answered 2021-Jun-14 at 18:42Add an event listener for mouseover, then generate random coordinates by using Math.random() multiplied by Window.innerHeight and Window.innerWidth:
QUESTION
Good afternoon ,
Assume we have the following code where i'm trying to plot ggplot2 smoothing curve :
ANSWER
Answered 2021-Jun-14 at 14:09ROC(melded) will work, when you dont use "print(melted)" at the end of your function. Instead, just let the ggplot command be the last command in the function ROC<-function(melted). Then the ggplot will be the output.
QUESTION
I am trying to create an animation like an object have to move randomly and whenever someone clicks on the object(in this case it a div) the object should hit the edges of the browser and come back smoothly and again start moving randomly(hope you are getting my point) I have been surfing the internet from past few days to how to do this by means of any library or by custom coding but I didn't figure out the answer.
I tried to do it on my own but didn't succeed. Here is my code
...ANSWER
Answered 2021-Jun-14 at 06:48Using Math.random() method i created 2 values and adjusted them accordingly , inorder to make them more sensible ( not moving outside div element ). After that i used setInterval method and stored it in global variable to set it again or clear it using clearInterval method. Finally created moveAtSpecifiedPos function helps you to set the position when it is clicked
Change the attributes of the div with class ball to figure out animation speeds and smoothness ! One thing I really was not able to figure out how to make collision at right time using js
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