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What does -D_XOPEN_SOURCE do/mean?
...h as Windows.
The numbers refer to different versions of the standard.
500 - X/Open 5, incorporating POSIX 1995
600 - X/Open 6, incorporating POSIX 2004
700 - X/Open 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For ...
Get the client's IP address in socket.io
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Okay, as of 0.7.7 this is available, but not in the manner that lubar describes. I ended up needing to parse through some commit logs on git hub to figure this one out, but the following code does actually work for me now:
var io = requ...
How to pass a user defined argument in scrapy spider
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190
Spider arguments are passed in the crawl command using the -a option. For example:
scrapy crawl...
Rails: how do I validate that something is a boolean?
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Luca Spiller
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answered Jan 18 '11 at 7:38
Drew Dara-AbramsDre...
How to format all Java files in an Eclipse project at one time?
...Eclipse 3.8.1.
– Jason McVetta
Jun 10 '13 at 22:18
1
+1 selecting the project seems to work in ec...
Does Git Add have a verbose switch
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edited Feb 28 '19 at 12:00
B--rian
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answered Se...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
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edited Jan 23 '19 at 10:24
Jan Klimo
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answered...
get list of pandas dataframe columns based on data type
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320
If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.Data...
How can I save an image with PIL?
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Abhishek kumar
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answered Jan 23 '13 at 3:42
mmgpmmgp
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How do you use https / SSL on localhost?
...and assign the start URL - put the new https with the new port (usually 44301 - notice the similarity to port 443) and your project will start correctly from then on.
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