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How to open a specific port such as 9090 in Google Compute Engine
...tags=<list-of-your-instances-names> --source-ranges=0.0.0.0/0 --description="<your-description-here>"
This will open the port 9090 for the instances that you name. Omitting --source-tags and --source-ranges will apply the rule to all instances. More details are in the Gcloud documentat...
rgdal package installation
...nswered Aug 17 '14 at 21:44
François PelletierFrançois Pelletier
18311 silver badge77 bronze badges
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What is the best way to prevent session hijacking?
...bsite for 5 minutes, they'll have to login again
– elipoultorak
Nov 16 '15 at 11:26
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How to get past the login page with Wget?
... You don't need -p (--page-requisites) for this.
– ændrük
Jan 6 '12 at 17:24
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Deep copying an NSArray
...answered Mar 15 '09 at 9:18
François P.François P.
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How to swap two variables in JavaScript
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@FrançoisWahl Good point. I think most of the answers here will work and are fairly equivalent. I suppose it's a trade off between temporary variable use, amount of code, and speed.
– showdev
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json_encode is returning NULL?
...having the same problem here. I had values with non-utf8 chars like "Validação de Formulários". I know this question is a little bit old now, but that's the awesomeness of internet!!
– fabio
Feb 11 '11 at 23:23
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How to format strings in Java
....oracle.com/javase/8/docs/api/java/util/…
– ℛɑƒæĿᴿᴹᴿ
Mar 7 '17 at 0:43
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How to get default gateway in Mac OSX
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route -n get default
It is not the same as GNU/Linux's route -n (or even ip route show) but is useful for checking the default route information.
Also, you can check the route that packages will take to a particular host. E.g.
route -n get www.yahoo.com
The output would be similar to:
route to...
Node.js EACCES error when listening on most ports
...te that visitors can use by navigating to an easy to use URL like
http://ip:port/
Unfortunately, unless you sign on as root, you’ll normally have to use
a URL like http://ip:port - where port number > 1024.
A lot of people get stuck here, but the solution is easy. There a few
op...