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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...ference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
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Is there a Public FTP server to test upload and download? [closed]
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Tele2 provides ftp://speedtest.tele2.net , you can log in as anonymous and upload anything to ...
Linux: is there a read or recv from socket with timeout?
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You can use the setsockopt function to set a timeout on receive operations:
SO_RCVTIMEO
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Access restriction: The type 'Application' is not API (restriction on required library rt.jar)
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What to do about Eclipse's “No repository found containing: …” error messages?
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JPA: unidirectional many-to-one and cascading delete
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edited Jun 25 '13 at 14:31
Vlasec
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ans...
add a string prefix to each value in a string column using Pandas
...gt;>> df = pd.DataFrame({'col':['a',0]})
>>> df
col
0 a
1 0
>>> df['col'] = 'str' + df['col'].astype(str)
>>> df
col
0 stra
1 str0
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0}
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Is it possible to use jQuery to read meta tags
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Just use something like:
var author = $('meta[name=author]').attr("content");
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