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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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Recursively list all files in a directory including files in symlink directories
...1:59
wxs
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answered Sep 19 '08 at 20:23
Michael RidleyMi...
how to access iFrame parent page using jquery?
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496
To find in the parent of the iFrame use:
$('#parentPrice', window.parent.document).html();
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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-- replace NVARCHAR(42) with the actual type of your column
ALTER TABLE your_table
ALTER COLUMN your_column NVARCHAR(42) NULL
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Unmount the directory which is mounted by sshfs in Mac [closed]
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answered Apr 7 '14 at 19:11
palswimpalswim
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Mockito How to mock and assert a thrown exception?
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74
BDD Style Solution (Updated to Java 8)
Mockito alone is not the best solution for handling exce...
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 ...
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...
if A vs if A is not None:
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answered Oct 19 '11 at 4:09
Greg HewgillGreg Hewgill
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