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How to convert hex to rgb using Java?
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* @param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
Integer.valueOf( colorStr.substring( 3, 5 ), 16 ),
Integer.valueOf( colorStr.substring( 5, 7...
Interview question: Check if one string is a rotation of other string [closed]
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26 Answers
26
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Error: Jump to case label
...In the following code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dostuff(i);
break;
case 2:
dostu...
How to replace plain URLs with links?
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24 Answers
24
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
I have seen number ranges represented as [first1,last1) and [first2,last2) .
4 Answers
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How can I apply a function to every row/column of a matrix in MATLAB?
...on, one way to do it is to collect the rows or columns into cells using mat2cell or num2cell, then use cellfun to operate on the resulting cell array.
As an example, let's say you want to sum the columns of a matrix M. You can do this simply using sum:
M = magic(10); %# A 10-by-10 matrix...
How to use a variable for the key part of a map
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2 Answers
2
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Modulo operator with negative values [duplicate]
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200
From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % o...
How to check if a string in Python is in ASCII?
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def is_ascii(s):
return all(ord(c) < 128 for c in s)
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Passing arguments forward to another javascript function
...ments);
}
function b(){
alert(arguments); //arguments[0] = 1, etc
}
a(1,2,3);
You can test it out here.
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