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Simple way to transpose columns and rows in SQL?
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146
There are several ways that you can transform this data. In your original post, you stated that...
Batch file to copy files from one folder to another folder
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449
xcopy.exe is definitely your friend here.
It's built into Windows, so its cost is nothing.
Ju...
Stripping everything but alphanumeric chars from a string in Python
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347
I just timed some functions out of curiosity. In these tests I'm removing non-alphanumeric cha...
Print text instead of value from C enum
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answered Jul 2 '10 at 18:46
Tyler McHenryTyler McHenry
66.2k1515 gold badges112112 silver badges157157 bronze badges
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PHP validation/regex for URL
...:<]|\.\s|$)#i',
"'<a href=\"$1\" target=\"_blank\">$3</a>$4'",
$text
);
Most of the random junk at the end is to deal with situations like http://domain.com. in a sentence (to avoid matching the trailing period). I'm sure it could be cleaned up but since it worked. I've more or ...
Getting distance between two points based on latitude/longitude
...0
lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
prin...
Is there a reason for C#'s reuse of the variable in a foreach?
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4 Answers
4
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Why can't Python's raw string literals end with a single backslash?
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cdleary
59.7k4747 gold badges153153 silver badges190190 bronze badges
answered Mar 15 '09 at 13:05
oefeoefe
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Detecting superfluous #includes in C/C++?
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43
It's not automatic, but doxygen will produce dependency diagrams for #included files. You will ...
Multiple returns from a function
...b, c = func()
– Nils Lindemann
Jul 24 at 9:01
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