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Format a datetime into a string with milliseconds

...%M:%S.%f')[:-3] >>>> OUTPUT >>>> 2020-05-04 10:18:32.926 Note: For Python3, print requires parentheses: print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]) share | ...
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How do I print the type of a variable in Rust?

...e, set the variable to a type which doesn't work: let mut my_number: () = 32.90; // let () = x; would work too error[E0308]: mismatched types --> src/main.rs:2:29 | 2 | let mut my_number: () = 32.90; | ^^^^^ expected (), found floating-point number | = ...
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Default template arguments for function templates

...| edited Oct 10 '14 at 21:32 answered Mar 15 '10 at 13:47 J...
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How to convert an int to a hex string?

... If you want to pack a struct with a value <255 (one byte unsigned, uint8_t) and end up with a string of one character, you're probably looking for the format B instead of c. C converts a character to a string (not too useful by itself) while B converts an integer. struct.pack('B', 65) (An...
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How do I parse an ISO 8601-formatted date?

... answered Apr 11 '18 at 20:32 abccdabccd 20.9k88 gold badges5656 silver badges6868 bronze badges ...
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Multiple linear regression in Python

... Durbin-Watson: 1.905 Prob(Omnibus): 0.032 Jarque-Bera (JB): 4.708 Skew: -0.849 Prob(JB): 0.0950 Kurtosis: 4.426 Cond. No. 38.6 pandas provides a con...
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Only read selected columns

...-25 -31 -31 -39 2 2010 -41 -27 -25 -31 -31 -39 3 2011 -21 -27 -2 -6 -10 -32 Change "integer" to one of the accepted types as detailed in ?read.table depending on the real type of data. data.txt looks like this: $ cat data.txt "Year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" ...
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How does std::move() transfer values into RValues?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Obfuscated C Code Contest 2006. Please explain sykes2.c

...g: main(_) { _^448 && main(-~_); putchar(--_%64 ? 32 | -~7[__TIME__-_/8%8][">'txiZ^(~z?"-48] >> ";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1 : 10); } Introducing variables to untangle this mess: main(int i) { if(i^448) main(-~i); ...
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

...d %zd. You could create a macro: #if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__ #define JL_SIZE_T_SPECIFIER "%Iu" #define JL_SSIZE_T_SPECIFIER "%Id" #define JL_PTRDIFF_T_SPECIFIER "%Id" #elif defined(__GNUC__) #define JL_SIZE_T_SPECIFIER "%z...