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Get date given year, week number, day number within week with JavaScript

I would highly recommend you to use the moment.js library. This is a complete date manipulation library.

Your problem would be solved by this moment().year(2014).week(47).day(3).toDate();

Categories : Javascript

Related to : Get date given year, week number, day number within week with JavaScript
Why is an Array with one Number a Number in Javascript?
isNaN coerces its value to a number. (See MDN) Because the string representation of an array is all of its items concatenated with a comma. And the numerical representation of that is NaN because of the comma. But if there's only one item, hence no comma, it's able to be converted to a number.

Categories : Javascript
How to use boost::format to zeropad a number where the number of decimal places is contained in a variable?
Maybe you can modify the formatter items using standard io manipulators: int n = 5; // or something else format fmt("%u"); fmt.modify_item(1, group(setw(n), setfill('0'))); With a given format, you can also add that inline: std::cout << format("%u") % group(std::setw(n), std::setfill('0'), 42); DEMO Live On Coliru #include <boost/format.hpp> #include <boost/format/group.hp

Categories : C++
PHP/MySQL - Count number of sales made and display that number and who sold them
You need to select the country and count, then group by the country. If you want to order it you need to add that on as well. SELECT countryName, count(*) as numberOfSales FROM sales GROUP BY countryName ORDER BY numberOfSales DESC This query will have 2 columns in the results. The country names and the number of times they appear according to the grouping. We are grouping

Categories : PHP
Return smallest even number from 3 arguments or largest uneven number if there are no even numbers
Hint: Instead of 3 arguments, suppose your input is a non-empty list of integers, i.e. evenmin' :: [Int] -> Int Suppose further you have a function phi that partitions the input like so: phi [1, 2, 3, 4, 5, 6] == ([1,3,5],[2,4,6]) What would the definition of evenmin' be? Afterwards, define evenmin a b c = evenmin' [a, b, c].

Categories : Haskell
multiply numbers on all paths and get a number with minimum number of zeros
Let's reconsider the Bellman optimality equation for your task. I consider this as a systematic approach to such problems (whereas I often don't understand DP one-liners). My reference is the book of Sutton and Barto. The state in which your system is can be described by a triple of integer numbers (i,j,r) (which is modeled as a std::array<int,3>). Here, i and j denote column and row in you

Categories : C++
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