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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 ...
What does “1 line adds whitespace errors” mean when applying a patch?
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edited Feb 10 '16 at 9:21
answered Sep 12 '12 at 22:06
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javascript set a variable if undefined
...efined. It would therefore not only match undefined but also null, false, 0, NaN, "" (but not "0").
If you want to set to default only if the variable is strictly undefined then the safest way is to write:
var x = (typeof x === 'undefined') ? your_default_value : x;
On newer browsers it's actu...
How to link godaddy domain with AWS Elastic Beanstalk environment?
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No need to create a CNAME or do any forwarding - this is bad from the point of SEO and not reco...
Entity Framework .Remove() vs. .DeleteObject()
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edited May 23 '17 at 12:02
Community♦
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answered Jul 18 '13 at 14:33
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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 UIScrollView to scroll to the top
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UPDATE FOR iOS 7
[self.scrollView setContentOffset:
CGPointMake(0, -self.scrollView.contentInset.top) animated:YES];
ORIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and just reset the vertical position:
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Forms authentication timeout vs sessionState timeout
... Session using the value in your example, this data will be removed after 30 minutes. The user may still be authenticated but the data in the Session may no longer be present. The Session Timeout value is always reset after every request.
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Which $_SERVER variables are safe?
...How safe is $_SERVER[“HTTP_HOST”]?.
Also see http://shiflett.org/blog/2006/mar/server-name-versus-http-host.
‡ See https://bugs.php.net/bug.php?id=64457, http://httpd.apache.org/docs/current/mod/core.html#usecanonicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999
En...
How do I remove deleted branch names from autocomplete?
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twalbergtwalberg
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