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How to make vi redraw screen?
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In vim, ^R is always redo.
– We Are All Monica
Nov 16 '18 at 23:45
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Ruby on Rails: getting the max value from a DB column
...uery as Bar.maximum(:bar) so I see no reason to "recommend" this answer at all ...
– nathanvda
Oct 27 '14 at 15:42
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...ing the same problem with PostgreSQL that I did last year when I first installed Lion Server.
20 Answers
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Controlling the screenshot in the iOS 7 multitasking switcher
...ome information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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How exactly does work?
...pt> elements. I saw the defer attribute can come in handy here as it allows code blocks to be postponed in execution.
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Matplotlib: draw grid lines behind other graph elements
...er-td5346.html - you can use Axis.set_axisbelow(True)
(I am currently installing matplotlib for the first time, so have no idea if that's correct - I just found it by googling "matplotlib z order grid" - "z order" is typically used to describe this kind of thing (z being the axis "out of the page")...
Wait one second in running program
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Personally I think Thread.Sleep is a poor implementation. It locks the UI etc. I personally like timer implementations since it waits then fires.
Usage: DelayFactory.DelayAction(500, new Action(() => { this.RunAction(); })...
How do short URLs services work?
... site that is redirected to will see the referrer (the site that you originally come from) as being the site the TinyUrl link is on (i.e., twitter.com, your own site, wherever the link is). This is just as important, so that site owners can see where people are coming from. This too, would not work ...
HttpListener Access Denied
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Yes you can run HttpListener in non-admin mode. All you need to do is grant permissions to the particular URL. e.g.
netsh http add urlacl url=http://+:80/MyUri user=DOMAIN\user
Documentation is here.
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Difference between a View's Padding and Margin
...l vector drawable to add a border in Android.
– SharkAlley
Jun 24 '12 at 20:52
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