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How do you get a Golang program to print the line number of the error it just called?
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What is the difference between an annotated and unannotated tag?
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Get nodes where child node contains an attribute
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edited May 16 '11 at 3:48
answered Sep 22 '09 at 1:07
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Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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How can I remove a key and its value from an associative array?
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381
You can use unset:
unset($array['key-here']);
Example:
$array = array("key1" => "value1...
How can I check that a form field is prefilled correctly using capybara?
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expect(page).to have_xpath("//input[@value='John']")
See http://www.w3schools.com/xpath/xpath_syntax.asp for more info.
For perhaps a prettier way:
expect(find_field('Your name').value).to eq 'John'
EDIT: Nowadays I'd probably use have_selector
expect(page).to have_selector("input[value='...
Go Unpacking Array As Arguments
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answered Jul 9 '13 at 19:01
Hunter McMillenHunter McMillen
49.8k2020 gold badges103103 silver badges154154 bronze badges
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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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Correct way to populate an Array with a Range in Ruby
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363
You can create an array with a range using splat,
>> a=*(1..10)
=> [1, 2, 3, 4, 5, 6...