Are both <h1><a ...> ... </a></h1> and <a ...><h1> ... </h1></a> valid HTML, or is only one correct? If they are both correct, do they differ in meaning? ...

...important as well. For example, parentClass::customMethod($thing = false) and childClass::customMethod($thing) would trigger the error, because the child's method hasn't defined a default value for the first argument. – Charles Jun 25 '10 at 4:19 ...

I don't understand what "lifting" is. Should I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words? ...

...t button. Second, today I somehow must have hit that button inadvertently, and was stumbled, like the Original Poster, to find that the Ins keyboard button was not working. To end on a positive note, how about "connecting" those two buttons in the next version of VS, Microsoft? ...

... @Tim The root commit does not have a parent, and when I asked this question I also wanted to change the date of that commit. Now we have --root, which makes this possible. – tarsius Nov 26 '15 at 1:24 ...

I am trying to push my app to heroku and I get the following message: 4 Answers 4 ...

... cat foo.c | sed '/^\s*$/d' | wc -l And if you consider comments blank lines: cat foo.pl | sed '/^\s*#/d;/^\s*$/d' | wc -l Although, that's language dependent. share | ...

... This deserves more attention. The obvious limitation notwithstanding, i.e. the requirement for compile-time input. In my opinion this should be preferred whenever possible. 'Rename' and 'find all references' take it into account as well, potentially avoiding magic strings and duplicate ...

I'm trying to get a better understanding of the difference. I've found a lot of explanations online, but they tend towards the abstract differences rather than the practical implications. ...

How can I pass data between a fragment and its container activity? Is there something similar to passing data between activities through intents? ...