2009年4月16日 · Octal is base 8 (using digits 0-7) so each digit is 3 bits: \0354 = 11 101 100. Hexadecimal is base 16 (using digits 0-9,A-F) and each digit is 4 bits:

2015年6月23日 · Unfortunately some languages including English have redefined the word trillion to mean 1 000 000 000 000. And simultaneously redefined the word quintillion to mean 1 000 000 000 000 000 000. This means there are now two different names for that number, and each name has a totally different meaning to somebody else.

2018年1月13日 · Assuming the assignment is to exclude all strings that consist entirely of zero's, at most one decimal point and possibly leading and/or trailing spaces, here is one way to do it, which requires only standard string functions (and therefore should be faster than any regular-expression solution).

2016年6月1日 · In any case, both 2016-06-01T11:33:54.000Z and 2016-06-01T12:33:54.000+01:00 are correct because they are the same point in time! A preference for one or the other depends completely on your program and the problem domain you are working in (do you have a specification?).

2017年8月20日 · I want check that a strings does not contain value 0. That is, strings like 0 , 00 ,00.00 are not allowed, but it should allow field like 10.00 , 11.01, 0.12 In short I want to check currency

2022年8月26日 · i suggest you use moment.js for this. In moment.js you can: var localTime = moment().format('YYYY-MM-DD'); // store localTime var proposedDate = localTime + "T00:00:00.000Z";

2013年4月22日 · .000 is the fraction of a second and Z indicates UTC timezone. How you convert to your local time will depend on which programming language you prefer, but for example Perl has standard modules for parsing and formatting times.

2016年1月27日 · So I am trying to figure out pointers and I read some posts on pointers to pointers but I can't still figure out why this program runs without trouble #include <stdio.h> #include <assert....

2011年8月12日 · Constants are expressions with a fixed value. Literals are the most obvious kind of constants. They are used to express particular values within the source code of a program.

2013年8月24日 · Scenario: aa # the group is matched aaaa # the group is repeated once, cause the + quantifier aaaaaa # the group is repeated once again, always cause # the + quantifier (and because it is greedy and take all it can.)