What I mean is – we know that the std::map‘s elements are sorted according to the keys. So, let’s say the keys are integers. If I iterate from std::map::begin() to std::map::end() using a for, does the standard guarantee that I’ll iterate consequently through the elements with keys, sorted in ascending order? Example: std::map<int, int> map_; … Read more
In C, I did not notice any effect of the extern keyword used before function declaration. At first, I thought that when defining extern int f(); in a single file forces you to implement it outside of the file’s scope. However I found out that both: extern int f(); int f() {return 0;} and extern … Read more
Why does the Standard define end() as one past the end, instead of at the actual end? 7 Answers 7
If a form is submitted but not by any specific button, such as by pressing Enter using HTMLFormElement.submit() in JS how is a browser supposed to determine which of multiple submit buttons, if any, to use as the one pressed? This is significant on two levels: calling an onclick event handler attached to a submit … Read more
Is this valid json? { “a” : “x”, “a” : “y” } http://jsonlint.com/ says yes. http://www.json.org/ doesn’t say anything about it being forbidden. But obviously it doesn’t make much sense, does it? Most implementations probably use a hashtable so it is being overriden anyways. 12 Answers 12
Is it okay to use an anchor tag without including the href attribute, and instead using a JavaScript click event handler? So I would omit the href completely, not even have it empty (href=””). 8 Answers 8
Is there any official way to allow a CSV formatted file to allow comments, either on its own line OR at the end of a line? I tried checking wikipedia on this and also RFC 4180 but both do not mention anything which leads me to believe that it’s not part of the file format … Read more
Can subdomains (domain names) have underscore _ in them? 11 Answers 11
What’s the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__, and where are they documented? How do I decide which one to use? 5 Answers 5
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 8 years ago. Improve this question Somewhere along the line I picked up the notion that using iframes is ‘bad practice’. Is … Read more
