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How to get the last element of an array in Ruby?
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Use -1 index (negative indices count backward from the end of the array):
a[-1] # => 5
b[-1] # => 6
or Array#last method:
a.last # => 5
b.last # => 6
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jQuery “Does not have attribute” selector?
I can find a div that has an attribute like so:
3 Answers
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How do I update my forked repo using SourceTree?
I am using SourceTree (with BitBucket) to manage my code. I have forked a repo, and the parent repo has been updated.
1 An...
Comparing two CGRects
I needed to check wether the frame of my view is equal to a given CGRect. I tried doing that like this:
4 Answers
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Set element width or height in Standards Mode
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Try declaring the unit of width:
e1.style.width = "400px"; // width in PIXELS
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When to use leading slash in gitignore
I'm trying to understand more clearly the .gitignore syntax, and in particular as far as https://github.com/github/gitignore gitignores are concerned.
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Ruby get object keys as array
I am new to Ruby, if I have an object like this
4 Answers
4
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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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Converting of Uri to String
Is it possible to convert an Uri to String and vice versa?
Because I want to get the the Uri converted into String to pass into another activity via intent.putextra() and if it's not possible can anyone suggest me a way how to pass selected Uri into another activity?
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How can I tell which homebrew formulae are upgradable?
I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several times without running brew upgrade , how do I get a list of all apps that could be upgraded?
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