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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
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13 Answers
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Regex to remove all (non numeric OR period)
I need for text like "joe ($3,004.50)" to be filtered down to 3004.50 but am terrible at regex and can't find a suitable solution. So only numbers and periods should stay - everything else filtered. I use C# and VS.net 2008 framework 3.5
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Validating IPv4 addresses with regexp
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How can I output UTF-8 from Perl?
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answered Mar 9 '09 at 19:34
Chris LutzChris Lutz
64k1515 gold badges117117 silver badges176176 bronze badges
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How can I filter a Django query with a list of values?
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Setting Short Value Java
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edited Apr 7 at 3:50
Bren
55733 silver badges1313 bronze badges
answered Feb 19 '10 at 8:46
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How to trace the path in a Breadth-First Search?
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# graph is in adjacent list representation
graph = {
'1': ['2', '3', '4'],
'2': ['5', '6'],
'5': ['9', '10'],
'4': ['7', '8'],
'7': ['11', '12']
}
def bfs(graph, start, end):
# maintain a queue of paths
queue = []
# push the first path i...
What is database pooling?
... | |
| Clients |
+---------+ |
| |-+ (1) +------+ (3) +----------+
| Clients | ===#===> | Open | =======> | RealOpen |
| | | +------+ +----------+
+---------+ | ^
| | (2)
| /------\
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How do I set the maximum line length in PyCharm?
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439
Here is screenshot of my Pycharm. Required settings is in following path: File -> Settings -...
.prop('checked',false) or .removeAttr('checked')?
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131
jQuery 3
As of jQuery 3, removeAttr does not set the corresponding property to false anymore:
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