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Mastering Development

Parsing dictionaries in a JSON file with Python

I’m fairly new to Python and JSON, and I’m having a bit of trouble parsing through this data: { "tests": [ {"array": [-21, 301, 12, 4, 65, 56, 210, 356, 9, -47], "target": 163}, {"array": [-21, 301, 12, 4, 65, 56, 210, 356, 9, -47], "target": 164}, {"array": [1, 2, 3, 4, 5, 6, 7, […]

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Mastering Development

Overlapping List for ios in xamarin

I am making a demo project. I have implemented listview in xamarin view and binding data from API. In first place it looks proper but as I scroll the list starts getting overlap and gets more overlap as I am scrolling to the end point of screen. I have tried with various solutions but did […]

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Arduino Ask Engineering

Arduino Uno R3, WS2812B, 1 strip of 60 leds, segmented in to 4, only want 1 segment/mode running at any time

#include <WS2812FX.h> #define LED_COUNT 60 #define LED_PIN 13 WS2812FX ws2812fx = WS2812FX(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); void setup() { ws2812fx.init(); ws2812fx.setBrightness(85); // divide the strip of 60 LEDs in to 4 segments ws2812fx.setSegment(0, 0, 14, FX_MODE_COMET, BLUE, 3000, false); ws2812fx.setSegment(1, 15, 29, FX_MODE_SCAN, RED, 3000, true); ws2812fx.setSegment(2, 30, 44, FX_MODE_SCAN, BLUE, 3000, false); ws2812fx.setSegment(3, 45, […]

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Mastering Development

find the position of the next highest of the given element in an array

I have a descending order sorted array, where I need to get the position of the given element if found in an array, if not found then return the position of the next higher element. For example if we pass [10,11,10], the expected result is [12, 12, 12] because 10<12 && 11<12 && 10<12 Hence […]

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User Help

PHP cron job — that worked before — suddenly stopped working when Plesk scheduled tasks

I am creating the cronjob from my Plesk control panel. The cron is like so: 0 0,3,6,9,12,15,18,21 * * * /usr/bin/php httpdocs/sources/australia.php >> /var/www/vhosts/website-here/logs/topfbk.log 2>&1 The script runs and after 3 seconds it errors out, but it does not output anything to the log file so I am unable to know which is the cause. […]

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Mastering Development

improving blackjack script python [migrated]

recently I had a python test and, unfortunately, I failed. I’m going to re-do my test and the teacher gave me the tip to work more efficient and clean. To practice this i made a blackjack game about 2 weeks ago with python and sent it to him to check. he has yet responded and […]

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Mastering Development

I cant concatenate when pox.update() of MAX30100 library is in Arduino loop

Hello friends of the community. I spend a lot of time trying to solve this issue and I hope you can help me. I’m ussing the library from this link https://github.com/oxullo/Arduino-MAX30100 in order to implement my project. The arduino code executes quite well, but when I try to receive data from the serial port, who’s […]

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Mastering Development

pandas test with true / false logic to whole dataframe

I have a dataframe as follows: df = pd.DataFrame({‘Jan’:[80,5,21],’Feb’:[85,7,19],’Mar’:[75,15,25]}) Jan Feb Mar 0 80 85 75 1 5 7 15 2 23 18 25 I would like to return True or False if the values are > 20 Jan Feb Mar 0 True True True 1 False False False 2 True False True How would […]

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Mastering Development

How can I generate FormControls dynamically inside a FormGroup?

I am receiving an object from the db that contains a few elements with the following format: info = [{ idcentro: "8227", namecentro: "Centro Paris", address: "C/ Paris, 127", dias: [ { dia: "0", horafinal: "06:00", horainicio: "17:00", salas: [ { id: 0, nombre: "sala 1", intervalos: [ ["09:00", "12:30", "10"], ["13:00", "21:30", "20"] ] […]

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Mastering Development

How to automatically full_join list elements across lists

A simplified version of my data looks like this: primary_list <- list(secondary_list = list(df1 = data.frame(df_name = "hello", time = c(1,2,3,6,7,9,12,20), v1 = sample(0:1, 8, replace = T)), df2 = data.frame(df_name = "world", time = c(1,5,6,8,9,12,15,18,19,20), v1 = sample(0:1, 10, replace = T))), secondary_list2 = list(df1 = data.frame(df_name = "hello", time = c(1,5,6,8,9,12,15,18,19,20), v1 = […]