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What does 'require: false' in Gemfile mean?
...chedule.rb file to manage crons and capistrano code in deploy.rb file to customize deployment recipe so you need not to load code for these gems in your app code
and wherever you want to call any method from these Gems you can manually require thsese gems by yourself by putting require "whenever...
What is the difference between Modal and Push segue in Storyboards?
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This is pushing controls using custom push and segue methods for storyboard
And Modal is way to navigate through views without using Storyboards.
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Using GPU from a docker container?
...on dockerhub if you want to know how this image was built.
You'll want to customize this command to match your nvidia devices. Here's what worked for me:
$ sudo docker run -ti --device /dev/nvidia0:/dev/nvidia0 --device /dev/nvidiactl:/dev/nvidiactl --device /dev/nvidia-uvm:/dev/nvidia-uvm tleyd...
What makes Lisp macros so special?
...h a more readable program.
To do the same in C, you would have to write a custom pre-processor that eats your initial (not-quite-C) source and spits out something that a C compiler can understand. It's not a wrong way to go about it, but it's not necessarily the easiest.
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android button selector
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Create custom_selector.xml in drawable folder
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/unselected" android:sta...
Argparse: Required arguments listed under “optional arguments”?
...tected member? In my case I need to add some argument to already existent (custom) group.
– machin
Apr 22 '17 at 9:21
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Why doesn't Java allow generic subclasses of Throwable?
... only way they could have designed it better was by rendering ~10 years of customers' code incompatible. That was a viable business decision. The design was correct ... given the context.
– Stephen C
Feb 20 '17 at 7:29
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How do I use WPF bindings with RelativeSource?
..., when binding a
dependency property value to a piece of XAML in case of custom control
development and finally in case of using a differential of a series of
a bound data. All of those situations are expressed as relative source
modes. I will expose all of those cases one by one.
Mo...
HTML 5 tag vs Flash video. What are the pros and cons?
... will abandon their creative drive and bow before. If you then try to add custom interfaces, you've successfully defeated the purpose of an easy-to-use, "just works" tag. Furthermore, video is not always accessed linearly, and this tag would have to support streaming and random access for all supp...
Do NSUserDefaults persist through an Update to an app in the Appstore?
...r way to test as an update I was unable to repeat the update crash all our customers are now experiencing. To sum up - probably a lesson learned the hard way!!
– Nick Cartwright
Oct 29 '09 at 10:27
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