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Rails how to run rake task
...nsole or another Rake task):
Rake::Task['task_name'].invoke
To run multiple tasks in the same namespace with a single task, create the following new task in your namespace:
task :runall => [:iqmedier, :euroads, :mikkelsen, :orville] do
# This will run after all those tasks have run
end
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How to modify existing, unpushed commit messages?
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Amending the most recent commit message
git commit --amend
will open your editor, allowing you to change the commit message of the most recent commit. Additionally, you can set the commit message directly in the command line with:
git commit --amend -m "New commit message"
…however, thi...
Access to Modified Closure (2)
...osure . I just want to verify if the following is actually safe enough for production use.
1 Answer
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What does “all” stand for in a makefile?
... build, as Makefile understands it, consists of a lot of targets. For example, to build a project you might need
Build file1.o out of file1.c
Build file2.o out of file2.c
Build file3.o out of file3.c
Build executable1 out of file1.o and file3.o
Build executable2 out of file2.o
If you implemente...
Get query from java.sql.PreparedStatement [duplicate]
In my code I am using java.sql.PreparedStatement .
8 Answers
8
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...r view controller may have the wrong class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused b...
Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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How to write an async method with out parameter?
I want to write an async method with an out parameter, like this:
11 Answers
11
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Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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