Categories
Mastering Development

How to determine if any value in one array, is lower than any value in another array?

I am trying to compare different lines, to know if one is above the other one, and if not, at which x this change happens. If I had the same x values and same length, that would be very easy and only difference in ys of the lines. But I have different x values for […]

Categories
Mastering Development

Filling NaN values in pandas after grouping

This question is slightly different from usual filling of NaN values. Suppose I have a dataframe, where in I group by some category. Now I want to fill the NaN values of a column by using the mean value of that group but from different column. Let me take an example: a = pd.DataFrame({ ‘Occupation’: […]

Categories
Mastering Development

How come one of my images aren’t displaying next to each other?

I’m trying to line up 3 images and some text on one ‘line’, the first 2 images are lined up fine, same with the text but the 3rd image refuses to and i’m not sure why. here is my code so far: * { box-sizing: border-box; } body { display: inline-block; width: 800px; height: 1000px; […]

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Mastering Development

How to compare lines with different x values and different length

I am trying to compare different lines, to know if one is above the other one, and if not, at which x this change happens. If I had the same x values and same length, that would be very easy and only difference in ys of the lines. But I have different x values for […]

Categories
Mastering Development

Remove “star” from Plotly legend (4.9.0)

I want to remove this little star that comes by default in the Plotly legend (4.9.0), I didn’t see an option in the documentation that would do that. GREEN_01 = ‘#02B8AB’ BLACK = ‘#374649′ # … def multibar(self, values, labels, item_figure, legend): scope = PlotlyScope() data = list() colors = [GREEN_01, BLACK] for idx, (key, […]

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Mastering Development

Billboard.js: $$.generatePoint is not a function

I’m trying to use billboard.js as a simple alternative to d3.js for displaying some line graphs. Unfortunately I can’t seem to get it working in my own repository, nor can I get it working in a vanilla vue.js project. Can anyone tell me if something special is required to get billboard.js up and running in […]

Categories
Game Creation Mastering Development

Why is my game object moving so slow?

I want to make an air hockey game in libgdx using box2d API, so want to add gravity behavior to my object. But I having a problem that my objects moving-falling so slow whatever world.step settings and gravity setting are. Here’s the code. package com.mygdx.game; import com.badlogic.gdx.ApplicationAdapter; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Input; import com.badlogic.gdx.audio.Sound; import com.badlogic.gdx.graphics.Color; […]

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Mastering Development

Expo notifications not working when channel id is used

I am using the following code to create two channels for my expo react app, on Android: Notifications.setNotificationChannelAsync("default", { name: "default", importance: Notifications.AndroidImportance.MAX, vibrationPattern: [0, 250, 250, 250], lightColor: "#FF231F7C", }) Notifications.setNotificationChannelAsync("gameupdates", { name: "gameupdates", importance: Notifications.AndroidImportance.MAX, vibrationPattern: [0, 250, 250, 250], lightColor: "#FF231F7C", }) The channel is successfully created and I can even find […]

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Linux Mastering Development

Get a list of file name, and compare to a csv file while adding 2nd and 3rd column of the same 1st column

i’m in need of some help. i have a csv file looks like this: user1,400,300 user2,250,250 user3,400,300 user1,400,300 user4,400,300 user2,250,250 and a directory that has a empty file named after the user ls /dir/* /dir/user1 /dir/user2 what i want to do is to look for file and save its name into an array, then search […]

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Mastering Development

JButton size not changed by setLayout()

I’m trying to learn Java and I decided to write my first program. I’m attempting to make a window with a title and a JButton. But the button position doesn’t get changed by setBounds(), it still stays in one spot no matter what I change it to. I heard that adding frame.getcontentPane().setLayout(null) fixes this, but […]