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Mastering Development

pandas: Getting the value of next column, after finding string in multiple columns

How does one get next column, after a string search in multiple columns? My data has a various length of sets as below. I want to find ‘AA’ in ‘n(index)’ column and get the value in ‘v(index)’ which is just next to it. df = pd.DataFrame(columns = [‘n1’, ‘v1’, ‘n2’, ‘v2’, ‘n3’, ‘v3’, ‘n4’, ‘v4’]) […]

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Mastering Development

Python iterating through dictionary

I am trying to iterate through a dictionary and I’m not sure how to update while looping through. What I’m trying to do (Simulating LFU cache): Requests are taken, Iterate through each requests one by one and count the frequency of each using dictionary. If the dictionary holds more than 8 keys remove the lowest […]

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Ask Geographic Information System (GIS)

How do I fit my plotted pixels to the country border in QGIS?

I have created a plot in Python 3.7 over Alaska. Firstly, the pixels covered a lot more than shown in the image (below). Now I have set the lat lon extend to fit the plot ‘better’. Is there a way to optimize this, so the plot actually fits within the border of Alaska? Can I […]

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Mastering Development

Changing woocommerce related products text with tags

I m currently using the following code but instead of the get_the_title I want to be getting the tags of the product add_filter(  ‘gettext’,  ‘change_related_products_title’, 10, 3 ); function change_related_products_title( $translated, $text, $domain  ) {     if( $text === ‘Related products’ && $domain === ‘woocommerce’ ){         $translated = esc_html__( ‘These go well with’, $domain […]

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Arduino Ask Engineering

RF24- Splitting and sending a longer than 32 byte payload

In order to send a long payload I’ve created the following function: void splitMSG(const char *msg, const int arraySize, const int len) { Serial.print("Array size: "); Serial.println(arraySize); byte numPackets = (int)(arraySize / len); byte P_iterator = 0; if (arraySize % len > 0) { numPackets++; } Serial.print("num_Packets: "); Serial.println(numPackets); while (P_iterator < numPackets) { char […]

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Mastering Development

PyTorch: How to multiply elements in a list containing integer and tensor

I have the following list ABC_lst containing integers and tensors. Code: A_int = 40 A_tsr = torch.tensor(np.array([[1,2,3,4,5], [1,2,3,4,5], [1,2,3,4,5], [1,2,3,4,5], [1,2,3,4,5]])) A_tpl = (A_int, A_tsr) B_int = 42 B_tsr = torch.tensor(np.array([[4,5,6,7,8], [4,5,6,7,8], [4,5,6,7,8], [4,5,6,7,8], [4,5,6,7,8]])) B_tpl = (B_int, B_tsr) C_int = 38 C_tsr = torch.tensor(np.array([[7,8,9,10,11], [7,8,9,10,11], [7,8,9,10,11], [7,8,9,10,11], [7,8,9,10,11]])) C_tpl = (C_int, C_tsr) ABC_lst = […]

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Mastering Development

Finding elements unique to each rows in a 2D array

Given a 2D Array (Python List), I need to find a new 1D such that it contains elements unique in each column. For example: [1, 1, -1, 1, 0] [1, -1, -1, 3, 4] [0, 0, 0, -2, -4] should give me for example, [1,-1,0,3,4]. My trials so far: results is a 2D array of […]

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User Help

FFMPEG: Calculation of image padding on video with different video source resolution

I have some video with different resolution (1920×1080, 1280×720, 1280,544, 640×480 etc) What i need: Cut video from 2 to 15 sec (+) Change resolution to width equal source_video_height and height equal (source_video_height*1.777777777777778) (+) Add some different text to video (+) Change black padding to picture or create picture (source picture is 1800×1200) background to […]

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Android User Help

Styling for Generic type element in Java Android

What i would like to accomplish with java android.. public class Styler<E>{ public <E> Styler(E obj){ obj.setPadding(10, 10, 10, 10); obj.setBackgroundColor(Color.parseColor("#000000")); return obj; } } // How i would like to use it linearLayout = new Styler(linearLayout); relativeLayout = new Styler(relativeLayout); textView = new Styler(textView); imageView = new Styler(ImageView); style data will be received from […]

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Mastering Development

Summarizing results of random function in Python [closed]

Sorry if this has already been asked, I searched but didn’t find anything. I’m having some fun with odds, making a function that uses a list and random weighted results to simulate a race. I was wondering how I would summarize the results of x amount of races. my code looks like this: cars= ["Favorite", […]