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Mastering Development

Flutter : How to disable drag down to close showModalBottomSheet

I want to disable drag down to close the showModalBottomSheet I have already tried using enableDrag:false, When i’m using enableDrag:false, is showing me below error Below is my code modal(BuildContext context) { showModalBottomSheet( context: context, enableDrag:false, isDismissible: false, backgroundColor: Colors.transparent, builder: (context) { return Container( width: MediaQuery.of(context).size.width, child: Stack( alignment: Alignment.topCenter, children: <Widget>[ Container( width: […]

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Mastering Development

ol4 + ol-ext problem with ol.featureAnimation.Zoom and ol.layer.AnimatedCluster

When I clicked over cluster, the features not show correctly, I tried stopping the animation but it didn’t work. Is another option to show animation for each feature? // Cluster Source clusterSource = new ol.source.Cluster({ distance: distanceFt, source: new ol.source.Vector() }); // Animated cluster layer clusterLayer = new ol.layer.AnimatedCluster({ name: ‘Cluster’, source: clusterSource, animationDuration: 700, […]

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Development

Sending updated state to child widget flutter

I have a parent widget that holds a list of items and the index of the selected item. The child widget tells the parent when an item is selected. If I pass an isSelected(index) function to the child widget, the child widget will update to show which item is selected. If I pass an selectedIndex […]

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Development

How to sample a normally distributed population with a set mean and standard deviation multiple times

For demonstrations purposes, I want to sample 30 random observations from a normal distribution with a mean of 0 and a standard deviation of 2. I want to sample this “population” 10 times, so I will end with 300 observations and 10 groups. The following code works, but it repeats the same numbers. I want […]

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Development

How do I make an object spawned from the edge of the map follow a diagonal line towards the middle?

I’ve been stuck on trying to make my object follow a diagonal line towards the middle without lots of lag. I’ve only been able to create a robust path for the object, making only right, left, up or down movements. while running: pygame.draw.rect(screen,(0,0,0),(0,0,width,height)) hero() ewaste() if distance(ex,ey,(width//2),(height//2)) != 0: (dx,dy) = ((x – ex)/math.sqrt((x – […]

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Development

Python pygame platformer game: framerate and collisions

I am creating a 2D platformer game using python and pygame and im having trouble with the collisions and framerate. The framerate is the framerate of animation of the character/player. If my player jumps up against a platform, most of the time a collision is detected and i fall back down due gravity. However, there […]

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Development

Canvas HTML5 circle Stop at specific user defined point?

In the Below code link HTML5 canvas spin wheel game. I want to stop this canvas at a user-defined position as if the user wants to stop always at 200 texts or 100 texts like that. Currently, it is stopping at random points I want to control where to stop as in if I want […]

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Development

Consistent size for symbols in ggsave and gganimate’s ‘animate’

My end goal is to create two outputs: 1) A static image showing all of my data, saved as a png 2) An animation of my data, saved as a gif. I’m using ggplot2 and gganimate and I’m puzzled as to why the symbol size is not consistent between the two save methods. I’ve tried […]

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Development

Increase resolution of R rayshader image

I’m trying to make an image using rayshader package. I’ve been happy that I’ve been able to create a png file using code like so: library(ggplot2) library(rayshader) example_plot <- ggplot(data.frame(x=c(1,2,3),y=c(4,5,6),z=c(5,4,3)),aes(x=x,y=y,color=z)) + geom_point() plot_gg(example_plot, width = 2, height = 2, multicore = TRUE, scale = 125, zoom = 0.5, phi = 60, theta=-10, windowsize = c(3200, […]

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scraping a website and getting daily data (currently can only get first day on the month)

I am developing a function to scrape some temperature data from a website. It works but only for the first day of the month. This gets the data for month 8 and year 2015. However it only scrapes the first table. How can I use rvest to collect all the tables in that month? https://www.timeanddate.com/weather/spain/madrid/historic?month=8&year=2015 […]