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Provisioning Profiles menu item missing from Xcode 5
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604
These settings have now moved to Preferences > Accounts:
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...subset='index', keep='first').set_index('index')
1000 loops, best of 3: 1.54 ms per loop
>>> %timeit df3.groupby(df3.index).first()
1000 loops, best of 3: 580 µs per loop
>>> %timeit df3[~df3.index.duplicated(keep='first')]
1000 loops, best of 3: 307 µs per loop
Note that you ...
How do I convert an NSString value to NSData?
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1422
NSString* str = @"teststring";
NSData* data = [str dataUsingEncoding:NSUTF8StringEncoding];
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What is the difference between \r and \n?
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edited Mar 3 '12 at 21:46
answered Aug 14 '09 at 19:40
J...
Add directives from directive in AngularJS
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Khanh TOKhanh TO
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400 vs 422 response to POST of data
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435
400 Bad Request would now seem to be the best HTTP/1.1 status code for your use case.
At the ...
Check if a JavaScript string is a URL
...+[a-z]{2,}|'+ // domain name
'((\\d{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address
'(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path
'(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string
'(\\#[-a-z\\d_]*)?$','i'); // fragment locator
return !!pattern.test(str);
}
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How do I create a URL shortener?
...ou just do a reverse lookup in your alphabet.
e9a62 will be resolved to "4th, 61st, and 0th letter in the alphabet".
e9a62 = [4,61,0] = 4×622 + 61×621 + 0×620 = 1915810
Now find your database-record with WHERE id = 19158 and do the redirect.
Example implementations (provided by commenters)
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Creating an R dataframe row-by-row
...de in R.
If you can, allocate your entire data.frame up front:
N <- 1e4 # total number of rows to preallocate--possibly an overestimate
DF <- data.frame(num=rep(NA, N), txt=rep("", N), # as many cols as you need
stringsAsFactors=FALSE) # you don't know levels yet...