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Is CSS Turing complete?
... none !important; }
<p><a href="http://en.wikipedia.org/wiki/Rule_110">Rule 110</a> in (webkit) CSS, proving Turing-completeness.</p>
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What are free monads?
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foldFree :: Functor f => (f r -> r) -> Free f r -> r
foldFree _ (Pure a) = a
foldFree f (Roll x) = f (fmap (foldFree f) x)
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How should you build your database from source control?
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Store ALTER scripts: 1 BIG script (or directory of scripts named liked 001_AlterXXX.sql, so that running them in natural sort order will upgrade from version A to B)
Which types of objects shouldn't be version controlled?
Sequences?
Grants?
User Accounts?
see 2. If your users/roles (or technica...
What's the difference between event.stopPropagation and event.preventDefault?
...:
<div id="a">
<a id="b" href="http://www.google.com/" target="_blank">Google</a>
</div>
<p id="c"></p>
JavaScript:
var el = document.getElementById("c");
function capturingOnClick1(ev) {
el.innerHTML += "DIV event capture<br>";
}
function captur...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
...ler font.
More Unicode arrows are at:
http://en.wikipedia.org/wiki/Arrow_%28symbol%29#Arrows_in_Unicode
http://en.wikipedia.org/wiki/Geometric_Shapes
Lastly, these arrows are not ASCII, including ↑ and ↓: they are Unicode.
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Why should I avoid using Properties in C#?
...you use public fields? Private fields usually have a different style, e.g. _field. Or just even lowercase field.
– Steven Jeuris
Jun 8 '11 at 11:08
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What's so bad about Template Haskell?
...ven know that TH code can be composed. Did you know that you can write forM_ [''Foo, ''Bar] generateLens? Q is just a monad, so you can use all of the usual functions on it. Some people don't know this, and because of that, they create multiple overloaded versions of essentially the same functions w...
What is the difference between SAX and DOM?
...rser,but use 9g memory when use DOM parser.
– zhiyuan_
Nov 2 '18 at 3:55
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What is move semantics?
...ng
{
char* data;
public:
string(const char* p)
{
size_t size = std::strlen(p) + 1;
data = new char[size];
std::memcpy(data, p, size);
}
Since we chose to manage the memory ourselves, we need to follow the rule of three. I am going to defer writing the assi...
What are the recommendations for html tag?
...oo=bar">path fragment</a>
where ${uri} basically translates to $_SERVER['REQUEST_URI'] in PHP, ${pageContext.request.requestURI} in JSP, and #{request.requestURI} in JSF. Noted should be that MVC frameworks like JSF have tags reducing all this boilerplate and removing the need for <bas...