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Warning message: In `…` : invalid factor level, NA generated
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The warning message is because your "Type" variable was made a factor and "lunch" was not a def...
Android:What is difference between setFlags and addFlags for intent
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When you use setFlags you are replacing the old flags... when you use addFlags you are appendi...
Total size of the contents of all the files in a directory [closed]
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12 Answers
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How to save picture to iPhone photo library?
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15 Answers
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MySQL connection not working: 2002 No such file or directory
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answered Nov 4 '09 at 21:28
Alec GorgeAlec Gorge
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What is sys.maxint in Python 3?
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180
The sys.maxint constant was removed, since there is no longer a limit
to the value of int...
How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
...ric type comes first.
>>> 5 < 'foo'
True
>>> 5 < (1, 2)
True
>>> 5 < {}
True
>>> 5 < [1, 2]
True
When you order two incompatible types where neither is numeric, they are ordered by the alphabetical order of their typenames:
>>> [1, 2] >...
How to write a Ruby switch statement (case…when) with regex and backreferences?
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The references to the latest regex matching groups are always stored in pseudo variables $1 to...
How to implode array with key and value without foreach in PHP
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Adding rounded corner and drop shadow to UICollectionViewCell
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15 Answers
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