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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
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101
There is no difference:
(eq 'my-add #'my-add)
yields t
The # can be used in front of a lamb...
Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
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edited Nov 10 '11 at 9:11
answered Sep 29 '10 at 0:58
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Use NUnit Assert.Throws method or ExpectedException attribute?
...actice?
– SamuelDavis
Feb 22 '13 at 0:03
5
@SamuelDavis - in general you wouldn't want to test di...
Patterns for handling batch operations in REST web services?
...ce. For example, to delete several messages at once.
DELETE /mail?&id=0&id=1&id=2
It's a little more complicated to batch update partial resources, or resource attributes. That is, update each markedAsRead attribute. Basically, instead of treating the attribute as part of each resourc...
Insert ellipsis (…) into HTML tag if content too wide
...line {
white-space: normal;
}
<div class="ellipsis" style="width: 100px; border: 1px solid black;">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>
<div class="ellipsis multiline" style="width: 100px; height: 40px; border: 1px solid black; margin-bottom: 100px">L...
string.Format() giving “Input string is not in correct format”
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305
string.Format() considers each '{' or '}' to be part of a placeholder (like '{0}' you already u...
How to set headers in http get request?
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edited Aug 5 '13 at 12:09
answered Oct 12 '12 at 17:36
D...
What does template mean?
...Factorial<N - 1>::value };
};
template <>
struct Factorial<0>
{
enum { value = 1 };
};
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Fixed point vs Floating point number
...d represent would be 99999.99999 and the smallest non-zero number would be 00000.00001. Every bit of code that processes such numbers has to have built-in knowledge of where the decimal point is.
A floating point number does not reserve a specific number of bits for the integer part or the fraction...