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Checking if a variable is not nil and not zero in ruby
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@xiy currently the guide recommends pretending or and and don't exist (|| is that or && and?)
– user3125280
Aug 24 '14 at 15:33
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What parameters should I use in a Google Maps URL to go to a lat-lon?
...pen Google maps on web, Android or iOS using the same URL string in form:
https://www.google.com/maps/search/?api=1&parameters
There are several modes that you can use: search, directions, show map and show street view.
So you can use something like
https://www.google.com/maps/search/?api=1...
Installing python module within code
...for a reason & not recommended anymore. see pip.pypa.io/en/latest/user_guide/#using-pip-from-your-program
– NBK
Jul 28 '19 at 16:56
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How to Vertical align elements in a div?
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css-tricks.com/centering-css-complete-guide <-- some good options presented here, have found myself resorting to the table/table-cell solution most of the time though
– shaunhusain
Feb 21 '16 at 1:20
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How can I switch to a tag/branch in hg?
I followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial
and downloaded FF source with:
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CodeIgniter: How to get Controller, Action, URL information
...ctory: $this->router->directory; Documentation: codeigniter.com/user_guide/installation/…
– cartalot
May 23 '16 at 21:55
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Cannot download Docker images behind a proxy
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Here is a link to the official Docker documentation for proxy HTTP:
https://docs.docker.com/config/daemon/systemd/#httphttps-proxy
A quick outline:
First, create a systemd drop-in directory for the Docker service:
mkdir /etc/systemd/system/docker.service.d
Now create a file called /etc/s...
Action bar navigation modes are deprecated in Android L
...TabLayout, providing a tab implementation that matches the material design guidelines for tabs. A complete walkthrough of how to implement Tabs and ViewPager can be found in this video
Now deprecated: The PagerTabStrip is part of the support library (and has been for some time) and serves as a dire...
iOS 7 UIBarButton back button arrow color
...ft 3:
self.window?.tintColor = UIColor.blue
Source: iOS 7 UI Transition Guide
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Checking if a variable is defined?
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The ruby style guide says "Favor unless over if for negative conditions" github.com/bbatsov/ruby-style-guide
– ChrisPhoenix
Sep 13 '13 at 22:19
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