55 questions
SimpleDateFormat qqqq = new SimpleDateFormat(yyyy-MM-dd HH:mm:ss); SimpleDateFormat zxcv = new SimpleDateFormat(yyyy-MM-dd'T'HH:mm:ss.SSS'Z'); zxcv.setTimeZone(TimeZone.getTimeZone(UTC)); final Date z...
As far as I know, the static variable defined in the scope of the function is initialized only once and remains even after the function endsWhat is the exact lifetime?When exactly are the constructors...
Is there a module or function that tells you the current time?
Based on now, we are creating a expires() function that returns Unix timestamp in 5 minutes.I didn't know what to do, so I made it like C++Is there a more Python way?Please help me if you know the mod...
#include <stdio.h>#include <time.h>int main(void){ time_t start, end; long i=0; double pst; start = time(NULL); while(i<30000000) { i++; } end=time(NULL); pst=difftime(end, start); pri...
df = pd.DataFrame([data])The structure of the data table that comes out when you print df in is as follows.The code is recorded for each date, and I'd like to distinguish how many codes 3 and how many...
I'd like to change strings such as January 20th to a date form, but I think it'll be difficult to use strptime() because the form has no zeros in front of it like July 4th.Can't we simply change strin...
I learned Python for the first time and started working on a project. There are still many things I don't know, so it's a meaningful activity to try, but I'm asking you because it's not progressing an...
After making a two-dimensional array using random numbers,A program that outputs an array in a two-dimensional table after obtaining the sum of each row and each column.But if you compare the table wi...
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