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What is the equivalent of the C++ Pair in Java?

...alue as a primitive or built-in class without encapsulating it in a class. If we were to return a tuple of a dozen elements no one would disagree it should have its own class. Somewhere in the middle is a (fuzzy) dividing line. I think our lizard brains can cope with Pairs easily enough. ...
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How can I check if a scrollbar is visible?

...(jQuery); use it like this, $('#my_div1').hasScrollBar(); // returns true if there's a `vertical` scrollbar, false otherwise.. tested working on Firefox, Chrome, IE6,7,8 but not working properly on body tag selector demo Edit I found out that when you have horizontal scrollbar that causes vertica...
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How to display a confirmation dialog when clicking an link?

...ntsByClassName('confirmation'); var confirmIt = function (e) { if (!confirm('Are you sure?')) e.preventDefault(); }; for (var i = 0, l = elems.length; i < l; i++) { elems[i].addEventListener('click', confirmIt, false); } </script> This example will only wor...
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Check if element is visible in DOM

Is there any way that I can check if an element is visible in pure JS (no jQuery) ? 18 Answers ...
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... Test it for distinct, if two equal max datetime be in the same home (with different players) – Maksym Gontar Mar 4 '09 at 21:04 ...
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

...e of rmdir contains a decent implementation: function rrmdir($dir) { if (is_dir($dir)) { $objects = scandir($dir); foreach ($objects as $object) { if ($object != "." && $object != "..") { if (is_dir($dir. DIRECTORY_SEPARATOR .$object) && !is_link($d...
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How to initialize an array in one step using Ruby?

...o It: plus_1 = 1.method(:+) Array.new(3, &plus_1) # => [1, 2, 3] If 1.method(:+) wasn't possible, you could also do plus_1 = Proc.new {|n| n + 1} Array.new(3, &plus_1) # => [1, 2, 3] Sure, it's overkill in this scenario, but if plus_1 was a really long expression, you might want ...
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Regular Expression to match string starting with “stop”

... If you wish to match only lines beginning with stop use ^stop If you wish to match lines beginning with the word stop followed by a space ^stop\s Or, if you wish to match lines beginning with the word stop but followed ...
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Jinja2 template variable if None Object set a default value

How to make a variable in jijna2 default to "" if object is None instead of doing something like this? 9 Answers ...
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What does “zend_mm_heap corrupted” mean

... After much trial and error, I found that if I increase the output_buffering value in the php.ini file, this error goes away share | improve this answer | ...