Month: January 2023

[Solved] Named int vs named float

by

The comment in the link says “integer, pointer and member pointer template parameters aren’t lvalues” (emphasis mine). It does not say that named integer variables are not lvalues – they are. If there were such a thing as floating-point template parameters, then they wouldn’t be lvalues either; but named floating-point variables still would be. solved … Read more

[Solved] Convert MYSQL date to CCYYMMDD

by

Use Date_format, i.e. select date_format(fieldname,’%Y%m%d’) from …; You can find more information in the manual at http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-format Simple way to check from the command line: select date_format(now(),’%Y%m%d’); This just formats today as CCYYMMDD. 1 solved Convert MYSQL date to CCYYMMDD

[Solved] Get palindrome length from string [closed]

by

You can use this article and modify it to your needs. Working demo function isPalindrome(s) { var rev = s.split(“”).reverse().join(“”); return s == rev; } function longestPalind(s) { var maxp_length = 0, maxp = ”; for (var i = 0; i < s.length; i++) { var subs = s.substr(i, s.length); for (var j = subs.length; … Read more

[Solved] remove \n after replace ” ” in kdb+

by

Here is an example of how to use ssr to achieve the desired trimming you require in a table setting: q)t:([]a:1 2 3;b:(“\nThis is sample code”;”More good sample code”;”\n More sample code”)) q)t a b ————————- 1 “\nThis is sample code” 2 “More good sample code” 3 “\n More sample code” q)@[t;`b;{trim ssr[x;”\n”;””]}@’] a b … Read more

[Solved] How to get 100% ADA compliance result in accessibility checker website https://webaccessibility.com? [closed]

by

Set the natural language of a document with with the lang attribute: <html lang=”en”> <head> <title>homepage</title> </head> <body> </body> </html> This probably won’t get you to 100% compliance – and we can’t possibly be expected to do that for you here – but the error you reference in your post refers to the missing language … Read more

[Solved] Pure JavaScript toggle for select / deselect all checkboxes [duplicate]

by

OK, if you want to do a direct conversion you’d want something a little like this. document.querySelector(‘.checkAll’).addEventListener(‘click’, e => { if (e.target.value == ‘Check All’) { document.querySelectorAll(‘.container-bikes input’).forEach(checkbox => { checkbox.checked = true; }); e.target.value=”Uncheck All”; } else { document.querySelectorAll(‘.container-bikes input’).forEach(checkbox => { checkbox.checked = false; }); e.target.value=”Check All”; } }); <h1>Check & Uncheck All … Read more

[Solved] Does the stream operator exist for class member functions?

by

It can be done easily like this: #include <iostream> class A { public: std::ostream &debug() const { std::cerr << “[timestamp]” << “[DEBUG]”; return std::cerr; } }; int main() { A a; a.debug() << “Test”; } But the important question here is: Should we implement it in this way? In my opinion, NO! Because you are … Read more

[Solved] To check whether my list fulfils the parameters set out in nested loop in scala function

by

You can use pattern matching to determine which type of Array you’re dealing with. def arrTest[A](a :Array[A]) :Boolean = a match { case sa :Array[String] => sa.length < 2 || sa.sliding(2).forall(x => x(0) < x(1)) case ia :Array[Int] => ia.length > 2 && ia(0) == 1 && ia(1) == 1 && ia.sliding(3).forall(x => x(0) + … Read more