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Difference between pre-increment and post-increment in a loop?
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a++ is known as postfix.
add 1 to a, returns the old value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLin...
How to get an array of specific “key” in multidimensional array without looping
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Toby Allen
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answered Nov 3 '11 at 12:06
phihagphihag
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Returning redirect as response to XHR request
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218
What happens if the browser receives a redirect response to an ajax request?
If the server sen...
Send email using the GMail SMTP server from a PHP page
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14 Answers
14
Active
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What are the differences between -std=c++11 and -std=gnu++11?
What are the differences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me.
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How to detect the physical connected state of a network cable/connector?
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14 Answers
14
Active
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Does constexpr imply inline?
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140
Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr con...
RSpec controller testing - blank response.body
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197
By default, rspec-rails hacks into Rails to prevent it from actually rendering view templates....