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How do you dismiss the keyboard when editing a UITextField
I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard, but I'm not sure how to know when the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
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Make virtualenv inherit specific packages from your global site-packages
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Do you know if there is any way of 'activating' the --system-site-packages option on a previously-created virtual environment? I would love to avoid the hassle of reinstalling all my local packages!
– Gabriel
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Benefit of using Parcelable instead of serializing object
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Sorry, inventing yet another serializer sucks - now there is just yet another "Parcelable" to deal with. There are plenty to choose from, with a library (the difference is the library is vetted, tested, and uses a format that other people use): ProtocolBuffers, JSON, XML, ...
Reorder levels of a factor without changing order of values
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Thank you, this worked. For some strange reason ggplot now correctly changed the order in the legend, but not in the plot. Weird.
– crangos
Mar 3 '10 at 23:57
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What is the MIME type for Markdown?
Does anyone know if there exists a MIME type for Markdown? I guess it is text/plain , but is there a more specific one?
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How to set environment variables in Python?
...oder It's true for all processes on Unix-like operating systems. I don't know about the other operating system. Note that shell variables are not stored in the environment unless you export them.
– Sven Marnach
Jan 16 '17 at 6:56
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iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
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This button has been retired in xCode 9.3. It now has a "Console.app" button, which makes way more sense.
– rustyMagnet
Apr 9 '18 at 15:22
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How to Add Stacktrace or debug Option when Building Android Studio Project
... 0.8.10, the option is no longer in the Compiler > Gradle section, it's now in a separate section named Compiler (Gradle-based Android Project))
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Node.js get file extension
... answered Apr 3 '13 at 3:32
SnowfishSnowfish
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How can I call controller/view helper methods from the console in Ruby on Rails?
...ick's answer:
> app.get '/posts/1'
> response = app.response
# you now have a rails response object much like the integration tests
> response.body # get you the HTML
> response.cookies # hash of the cookies
# etc, etc
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