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How to highlight text using javascript
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How to pass parameters to a modal?
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edited Mar 3 '15 at 19:29
isherwood
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find() with nil when there are no records
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173
Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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Parse RSS with jQuery
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B 7
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answered Jun 7 '11 at 21:34
Andrew ChildsAndrew Childs
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Using Git, show all commits that are in one branch, but not the other(s)
I have an old branch, which I would like to delete. However, before doing so, I want to check that all commits made to this branch were at some point merged into some other branch. Thus, I'd like to see all commits made to my current branch which have not been applied to any other branch [or, if thi...
Extracting numbers from vectors of strings
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83
How about
# pattern is by finding a set of numbers in the start and capturing them
as.numeric(g...
Removing viewcontrollers from navigation stack
...ave a navigation stack, with say 5 UIViewControllers. I want to remove the 3rd and 4th viewcontrollers in the stack on the click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
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deny direct access to a folder and file by htaccess
...der?
– Chaitanya Chandurkar
Apr 2 '13 at 13:22
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@ChaitanyaChandurkar No, an ajax request is a n...
ant warning: “'includeantruntime' was not set”
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Ant Runtime
Simply set includeantruntime="false":
<javac includeantruntime="false" ...>...
What is Turing Complete?
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345
Here's the briefest explanation:
A Turing Complete system means a system in which a program c...