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How to “pretty” format JSON output in Ruby on Rails
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The original poster said nothing about where in a Rails app he wants to use this, so I answered with a line of Ruby that will work anywhere. To use it to generate the JSON response in a Rails controller, you already answered your own question: format.json { render :json => JSO...
Error to install Nokogiri on OSX 10.9 Maverick?
...th full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
Update
For those using Yosemite the following command will work:
gem install nokogiri -- --with-xml2-in...
How do I start my app on startup?
...d not work. So what changes do I have to make and to what files to have my app start automatically when Android finishes booting up?
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Opening Android Settings programmatically
...s the device settings in the same window, thus got the users of my android application (finnmglas/Launcher) for android stuck in there.
The answer for 2020 and beyond (in Kotlin):
startActivity(Intent(Settings.ACTION_SETTINGS))
It works in my app, should also be working in yours without any unwante...
Xcode 4.4 error - Timed out waiting for app to launch
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I had a similar issue when trying to debug an App with Ad-Hoc provisioning...
Check which provisioning you're using, it seems ad-hoc provisioning cannot be used for debugging.
EDIT In fact, it seems only development provisioning profiles are Ok for debugging
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What is Android keystore file, and what is it used for?
...e you mention signing apk's, it is your certificate. You are branding your application with your credentials. You can brand multiple applications with the same key, in fact, it is recommended that you use one certificate to brand multiple applications that you write. It easier to keep track of what ...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
I am trying to push my app on heroku. I am still in dev.
I use devise with the confirmable module.
6 Answers
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How do I make a splash screen?
I wanted to make my app look more professional, so I decided that I wanted to make a splash screen.
34 Answers
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@AspectJ pointcut for all methods of a class with specific annotation
...s, then see stackoverflow.com/questions/37583539/…, because this is not happening in my case.
– HVT7
Jun 2 '16 at 6:18
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
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