CX | A Wait-Free Universal Construct for Large Objects | Serialization library
kandi X-RAY | CX Summary
kandi X-RAY | CX Summary
A Wait-Free Universal Construct for Large Objects. Make any data structure wait-free as long as it has a copy constructor. No annotation needed.
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QUESTION
This was a question that was previously posed by a prof of mine and I'm assuming the 8-bit register is either CL or CH. I got it working by simply moving 01H to the CH register, but I was wondering if there was any other way of doing this since I am technically using the 16-bit CX register as a whole when running the code.
My code for reference :
...ANSWER
Answered 2022-Mar-07 at 19:25You're right, your code uses 16-bit CX. Much worse, it depends on CL being zero before this snippet executes! An 8-bit loop counter that starts at zero will wrap back to zero 256 decrements (or increments) later.
QUESTION
ANSWER
Answered 2021-Sep-27 at 07:49This is a way of doing this: for the holes at the start and the end of the ticket you can use the before and after elements. Both pseudo elements are transparent with a big white box shadow: box-shadow: 0px 0px 1px 50vw white;. Since the .dashed element has overflow:hidden you will see the box shadow of the pseudo elements only inside the .dashed and will look as if the .dashed has a white background.
For the outer shadow you can now use a drop shadow filter as you intended.
QUESTION
In d3, we may change the order of elements in a selection, for example by using raise.
Yet, when we rebind the data and use join, this order is discarded.
This does not happen when we use "the old way" of binding data, using enter and merge.
See following fiddle where you can click a circle (for example the blue one) to bring it to front. When you click "redraw", the circles go back to their original z-ordering when using join, but not when using enter and merge.
Can I achive that the circles keep their z-ordering and still use join?
ANSWER
Answered 2022-Feb-18 at 23:13join does an implicit order after merging the enter- and update-selection, see https://github.com/d3/d3-selection/blob/91245ee124ec4dd491e498ecbdc9679d75332b49/src/selection/join.js#L14.
The selection order after the data binding in your example is still red, blue, green even if the document order is changed. So the circles are reordered to the original order using join.
You can get around that by changing the data binding reflecting the change in the document order. I did that here, by moving the datum of the clicked circle to the end of the data array.
QUESTION
Is there a way for me to know programmatically on which object the CSS animation applies last
For example,
...ANSWER
Answered 2022-Feb-04 at 19:17You can try to achieve this using animationend like so :-
QUESTION
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'info.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
State createState() => MyAppState();
}
class MyAppState extends State {
List li = [
info(name: 'text1', length: 170, date: DateTime.now()),
info(name: 'text2', length: 175, date: DateTime.now()),
info(name: 'text3', length: 180, date: DateTime.now()),
info(name: 'text4', length: 180, date: DateTime.now()),
info(name: 'text5', length: 180, date: DateTime.now()),
info(name: 'text6', length: 180, date: DateTime.now()),
info(name: 'text7', length: 180, date: DateTime.now()),
info(name: 'text8', length: 180, date: DateTime.now()),
info(name: 'text9', length: 180, date: DateTime.now()),
];
void x (BuildContext ctx){
showModalBottomSheet(context: ctx, builder: (ctx){
return ListView.builder(
itemCount: li.length,
itemBuilder: (cx , index){
return Padding(
padding: EdgeInsets.all(10.0),
child: Card(
shadowColor: Colors.red,
elevation: 10.0,
color: Colors.blue,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text(
li[index].name,
style: TextStyle(color: Colors.white, fontSize: 20),
),
Text(
'${li[index].length}',
style: TextStyle(color: Colors.white, fontSize: 20),
),
],
),
Text(
'${li[index].date}',
style: TextStyle(color: Colors.white, fontSize: 20),
),
],
),
),
),
);
},
);
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'App name',
home: Scaffold(
appBar: AppBar(
title: Text('This is the App bar'),
),
body: Container(
padding: EdgeInsets.all(10.0),
height: double.infinity,
color: Colors.black,
),
floatingActionButton: FloatingActionButton(
child: Icon(Icons.add),
onPressed: () => x(context)
),
),
);
}
}
ANSWER
Answered 2021-Aug-03 at 13:16This is a common mistake that happens when using Inherited Widgets like MediaQuery. Now you may not be using it explicitly but from your description it seems that Flutters' showModalBottomSheet method maybe using it.
The error is telling you that no MediaQuery ancestor(i.e. WidgetsApp, CupertinoApp or MaterialApp) could be found above context. It means above this context:
QUESTION
On a website I'm creating there is a cursor that needs to change its color smoothly.
When it is on a white background the cursor needs to be the blue #0059ff (this is important and I will explain why later on) and when it is on blue then the cursor needs to be white; and the transition needs to be smooth like so:
To get the white color with mix-blend-mode I'm calculating the inverted color using adjust-hue($color, 180) (in SCSS) and applying this color to the cursor.
When the background color is #0000ff then cursor should be #ffff00.
I have started a prototype using mix-blend-mode: difference that works on "primary colors" (basically colors like #ff0000, #ff00ff and so on).
Result:
Problems begin when I try to change the "primary" blue #0000ff to the one needed by the project #0059ff. The inverted color is calculated to be #ffa600 and the result is, let's say, "unsatisfactory" because I want the cursor to be white on some background color and said color on white background.
Calculating the difference will not work with this color and I have no idea how to make it so that when the cursor is not over the white background then the cursor becomes blue (-ish) and when it's over the blue background it becomes white.
My whole code so far:
(SCSS compiled so it can run in StackSnippet)
ANSWER
Answered 2022-Jan-24 at 19:19I have no idea how to make it so that when the cursor is not over the white background then the cursor becomes blue (-ish) and when it's over the blue background it becomes white.
In this case, the mix-blend mode is very limiting. When you want to have completely unrelated colors then it's not possible to use it.
However, I am able to achieve the desired effect using clip-path:
QUESTION
I'm making a pose estimation script for my game. However, it's working at 20-30 fps and not using the whole CPU even if there is no fps limit. It's not using whole GPU too. Can someone help me?
Here is resource usage while playing a dance video: https://imgur.com/a/6yI2TWg
Here is my code:
...ANSWER
Answered 2021-Dec-20 at 16:11Set the model_complexity of mp.Pose to 0.
MODEL_COMPLEXITY Complexity of the pose landmark model: 0, 1 or 2. Landmark accuracy as well as inference latency generally go up with the model complexity. Default to 1.
This is the best solution I've found, also use this.
QUESTION
I am currently working on a program that is supposed to take a 'figure' and move it along a vector. For this I have created the function 'move' which takes a 'figure' and a vector. I am then trying to use pattern-matching to update the values of the figure.
...ANSWER
Answered 2021-Nov-27 at 04:03This is very close to working, so don't get discouraged. There are two minor problems:
When you call
moverecursively, you have to passvagain. Solet newCirc = move f1 vis correct instead oflet newCirc = move(f1). (Note thatnewCircmight not actually be a circle, so you might want to use a different variable name.)Since
pointis just a synonym forint * int, it doesn't have its own constructor function. So(cx + vx, cy-vy)is correct instead ofpoint(cx + vx, cy-vy).
When I made these two changes, your code worked correctly for me. There are a number of other issues with your code that you might want to address, but those are the only two that are show-stoppers at this point.
QUESTION
I am trying to build an SVG something similar to:
The strokes are completely dynamic, as they come from an API. I want to place the strokes at the points received (as array of percentage values). Need not be in order and the distance between 2 strokes need not be equal
I am trying with something like below but not able to come up with a logic for the placement of strokes. I tried to follow the answer here: https://stackoverflow.com/a/66076805/6456247 but the distance between strokes here are equal. In my scenario, they are not consistent.
Fiddle Link: https://jsfiddle.net/puq8v594/2/
...ANSWER
Answered 2021-Nov-07 at 16:22It might be easier to do this as just an arc path with a pathLength set to 100 (or almost 100).
QUESTION
I have a basic image viewer (mostly just trying to learn the quirks of QGraphicsView rather than labels) that I'm trying to allow some basic zoom and pan functionality. It loads a directory of images the user can click through, but fails to load the image. It will return the dimensions, but receives a float division by zero arrow when trying to set the scene. I have tried setting as a QImage, but it doesn't seem to make a difference.
actions_test.py
...ANSWER
Answered 2021-Nov-05 at 03:57The problem is you are constructing the ImageViewer with another QGraphicsView that you made in Qt Designer, "qgraphic_image", as its parent. This makes it a child widget inside of that parent graphics view, and it's effectively invisible as its viewport rect has no size (that is why you got a division by 0 error).
You can remove the "qgraphic_image" from your UI file, for now I just replaced it in the layout to try it:
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