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What is the usefulness of `enable_shared_from_this`?

...ects with separate reference counts. For this reason you must never create more than one shared_ptr from the same raw pointer. – j_random_hacker Apr 3 '09 at 2:31 4 ...
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Evil Mode best practice? [closed]

... I used a highly customized vim, and now use an even more customized emacs. I think you'll find every instance of keymapping in my keymapping config file https://github.com/mbriggs/.emacs.d-oldv2/blob/master/init/init-keymaps.el Keep in mind, I am rebinding stuff that real ema...
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How to dismiss a Twitter Bootstrap popover by clicking outside?

... Update: A slightly more robust solution: http://jsfiddle.net/mattdlockyer/C5GBU/72/ For buttons containing text only: $('body').on('click', function (e) { //did not click a popover toggle or popover if ($(e.target).data('toggle') !== ...
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Efficient way to return a std::vector in c++

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How to check if a line is blank using regex

...e end of string anchor. \s is the whitespace character class. * is zero-or-more repetition of. In multiline mode, ^ and $ also match the beginning and end of the line. References: regular-expressions.info/Anchors, Character Classes, and Repetition. A non-regex alternative: You can also che...
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Automatically start forever (node) on system restart

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Difference between fold and reduce?

.....) iN. Therefore, reduce results in an ArgumentException on empty list. Moreover, fold is more generic than reduce; you can use fold to implement reduce easily. In some cases, using reduce is more succinct: // Return the last element in the list let last xs = List.reduce (fun _ x -> x) xs ...
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Return None if Dictionary key is not available

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Declaration suffix for decimal type

...re m stands for money). Is this appropriate for any decimals or is there a more general assignment (d stands for double, that is for sure not the right thing although a direct conversion is supported). ...
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Why do I need to override the equals and hashCode methods in Java?

... can you please elaborate a little more , in second case , why the second object must go in another bucket? – Hussain Akhtar Wahid 'Ghouri' May 5 '14 at 23:31 ...