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List of ANSI color escape sequences
...er things) documents the SGR 38/48 control sequences for direct colour and indexed colour:
Information technology — Open Document Architecture (ODA) and interchange format: Document structures. T.412. International Telecommunication Union.
Information technology — Open Document Architecture ...
What is the usefulness of `enable_shared_from_this`?
...
}
int main()
{
shared_ptr<Y> p(new Y);
shared_ptr<Y> q = p->f();
assert(p == q);
assert(!(p < q || q < p)); // p and q must share ownership
}
The method f() returns a valid shared_ptr, even though it had no member instance. Note that you cannot simply do this...
NOT IN vs NOT EXISTS
... explained here. It is all there to convert the previous single correlated index seek on Sales.SalesOrderDetail.ProductID = <correlated_product_id> to two seeks per outer row. The additional one is on WHERE Sales.SalesOrderDetail.ProductID IS NULL.
As this is under an anti semi join if that ...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
...event listeners / getters), have a look at Listening for Youtube Event in jQuery
As a result of a deep code analysis, I've created a function: function callPlayer requests a function call on any framed YouTube video. See the YouTube Api reference to get a full list of possible function calls. Read ...
How do you tell if a string contains another string in POSIX sh?
...swered Jan 10 '12 at 23:01
fjarlqfjarlq
1,86511 gold badge1313 silver badges88 bronze badges
...
Change MySQL default character set to UTF-8 in my.cnf?
...on) sets those to utf8 as well.
Caveat:
If you had a utf8 table with an index column of type VARCHAR(255), it can't be converted in some cases, because the maximum key length is exceeded (Specified key was too long; max key length is 767 bytes.). If possible, reduce the column size from 255 to 19...
Why exactly is eval evil?
...estion is not specific to LISP. Here is an answer on the same question for PHP, and it applies to LISP, Ruby, and other other language that has an eval:
The main problems with eval() are:
Potential unsafe input. Passing an untrusted parameter is a way to
fail. It is often not a trivial...
What are the mathematical/computational principles behind this game?
...different from Euclid).
Now, add "finite" into the soup and you have the question:
Can we have a geometry with just 2 points? With 3 points? With 4? With 7?
There are still open questions regarding this problem but we do know this:
If there are geometries with Q points, then Q = n^2 + n + 1 an...
Servlet for serving static content
...
Just be careful with index files (index.html) since they may take precedence over your servlet.
– Andres
Dec 11 '15 at 15:43
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Accessing constructor of an anonymous class
...'s not clear exactly what you mean - I suspect it's worth you asking a new question with an example of what you're trying to achieve.
– Jon Skeet
Feb 25 '14 at 15:01
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