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How can you iterate over the elements of an std::tuple?
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20 Answers
20
Active
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isset() and empty() - what to use
...has been set to NULL
Your code would be fine as:
<?php
$var = '23';
if (!empty($var)){
echo 'not empty';
}else{
echo 'is not set or empty';
}
?>
For example:
$var = "";
if(empty($var)) // true because "" is considered empty
{...}
if(isset($var)) //tr...
Convert blob URL to normal URL
My page generates a URL like this: "blob:http%3A//localhost%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address?
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How to get UTF-8 working in Java webapps?
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552
Answering myself as the FAQ of this site encourages it. This works for me:
Mostly characters ...
Difference between private, public, and protected inheritance
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edited Sep 1 '15 at 20:08
Matt Faus
5,33222 gold badges2020 silver badges3636 bronze badges
answer...
Delete fork dependency of a GitHub repository
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edited Sep 22 '17 at 19:09
answered Apr 17 '13 at 6:13
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Git fatal: Reference has invalid format: 'refs/heads/master
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edited Aug 15 '18 at 20:52
answered May 6 '13 at 17:24
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How do I add a tool tip to a span element?
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edited Jun 28 '09 at 19:41
answered Jun 28 '09 at 19:36
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Need command line to start web browser using adb
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200
Running this command will start a web browser in android:
adb shell am start -a android.inten...