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Can I create a One-Time-Use Function in a Script or Stored Procedure?
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answered Jun 11 '09 at 14:32
Joel CoehoornJoel Coehoorn
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Converting RGB to grayscale/intensity
...gt; L*
In color science, the common RGB values, as in html rgb( 10%, 20%, 30% ),
are called "nonlinear" or
Gamma corrected.
"Linear" values are defined as
Rlin = R^gamma, Glin = G^gamma, Blin = B^gamma
where gamma is 2.2 for many PCs.
The usual R G B are sometimes written as R' G' B' (R' = Rli...
How to create a HashMap with two keys (Key-Pair, Value)?
...rride
public int hashCode() {
int result = x;
result = 31 * result + y;
return result;
}
}
Implementing equals() and hashCode() is crucial here. Then you simply use:
Map<Key, V> map = //...
and:
map.get(new Key(2, 5));
Table from Guava
Table<Integer...
Is recursion ever faster than looping?
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369
This depends on the language being used. You wrote 'language-agnostic', so I'll give some exa...
No route matches [GET] /assets
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231
In production mode, Rails will not be responsible for serving static assets. Therefore, you are...
What is a rune?
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Rune literals are just 32-bit integer values (however they're untyped constants, so their type can change). They represent unicode codepoints. For example, the rune literal 'a' is actually the number 97.
Therefore your program is pretty much equiv...
How to insert a character in a string at a certain position?
...t was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end.
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How to remove all listeners in an element? [duplicate]
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3 Answers
3
Active
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How to write to a file, using the logging Python module?
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demongolem
8,3381313 gold badges7979 silver badges9999 bronze badges
answered Jun 17 '11 at 14:03
thegrinnerthegri...
Using arrays or std::vectors in C++, what's the performance gap?
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193
Using C++ arrays with new (that is, using dynamic arrays) should be avoided. There is the proble...