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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
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11 Answers
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How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754...
Circle line-segment collision detection algorithm?
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// either solution may be on or off the ray so need to test both
// t1 is always the smaller value, because BOTH discriminant and
// a are nonnegative.
float t1 = (-b - discriminant)/(2*a);
float t2 = (-b + discriminant)/(2*a);
// 3x HIT cases:
// -o-> --|--&...
RegEx - Match Numbers of Variable Length
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135
{[0-9]+:[0-9]+}
try adding plus(es)
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Why do some C# lambda expressions compile to static methods?
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153
This is most likely because there are no closures, for example:
int age = 25;
Action<strin...
How to loop through all but the last item of a list?
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for x in y[:-1]
If y is a generator, then the above will not work.
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urllib2.HTTPError: HTTP Error 403: Forbidden
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171
By adding a few more headers I was able to get the data:
import urllib2,cookielib
site= "htt...
Add zero-padding to a string
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301
You can use PadLeft
var newString = Your_String.PadLeft(4, '0');
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sed: print only matching group
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140
Match the whole line, so add a .* at the beginning of your regex. This causes the entire line ...