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The command rbenv install is missing
...om the ruby-build plugin. You can install it using the command:
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv ...
What does the question mark and the colon (?: ternary operator) mean in objective-c?
What does this line of code mean?
13 Answers
13
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How do I change the IntelliJ IDEA default JDK?
I use IntelliJ IDEA as my development environment, and Maven for dependency management. I frequently build my project structure (directories, poms, etc) outside of IDEA and then import the project into IDEA using Import project from external model . This works great, except that in my poms I spec...
Do fragments really need an empty constructor?
...ng
I thought I would explain why for people wondering why.
If you check: https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/app/Fragment.java
You will see the instantiate(..) method in the Fragment class calls the newInstance method:
public static Fragment insta...
How can I use a search engine to search for special characters? [closed]
...search engine was made to solve exactly the kind of problem you're having: http://symbolhound.com/
I am the developer of SymbolHound.
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How to check if a string contains only digits in Java [duplicate]
...n java, the matches method (which was specified in the question) matches a complete string, not fragments. In other words, it is not necessary to use ^\\d+$ (even though it is also correct). Please see the last negative test case.
Please note that if you use an online "regex checker" then this may ...
nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
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An update to the state of Rhino vs NServicebus:
http://www.infoq.com/news/2012/04/nservicebus3-0
InfoQ to Ayende: You have previously written a service bus for .NET
yourself, namely the Rhino Service Bus. Should users of Rhino Service
Bus now reconsider and move to...
Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
...blocking access from unknown location (app in production)
Solution: Go to http://www.google.com/accounts/DisplayUnlockCaptcha and click continue (this will grant access for 10 minutes for registering new apps).
After this my app in production started sending emails ;)
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What is the best way to do GUIs in Clojure?
...of blog posts on GUI-development with clojure (and swing). Start off here: http://stuartsierra.com/2010/01/02/first-steps-with-clojure-swing
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How to run only one task in ansible playbook?
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You should use tags: as documented in http://docs.ansible.com/playbooks_tags.html
If you have a large playbook it may become useful to be able to run a specific part of the configuration without running the whole playbook.
Both plays and tasks support a “ta...