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Why are dates calculated from January 1st, 1970?

...1st, 1970) as default standard The Question makes two false assumptions: All time-tracking in computing is done as a count-since-1970. Such tracking is standard. Two Dozen Epochs Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various...
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Finding sum of elements in Swift array

...st) way to find the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples. ...
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tmux set -g mouse-mode on doesn't work

...ke scrolling with wheels work bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'" bind -n WheelDownPane select-pane -t= \; send-keys -M This will enable scrolling on hover over a pane and y...
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How to count certain elements in array?

...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant. – Felix Kling May 25 '11 at 8:33 ...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...onstrate breaking changes. The following is a tweaked testcase, which initially was used to demonstrate such a change, but now is used to test for C++0x or C++03. struct X { }; struct Y { X x1, x2; }; struct A { static X B(int); }; typedef A B; struct C : A { using ::B::B; // (inheriting const...
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How to unzip a file using the command line? [closed]

... it is weird,m jar actually solves the problem partially, cause it is able to list the files inside the archive and extract specified files, however, it is not possible to extract all the files at the same time... pretty weird ...
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How to declare a global variable in JavaScript?

...s available only in browsers. Could you edit you answer to make it work in all environments? See How to get the global object in JavaScript? – Michał Perłakowski Nov 30 '16 at 15:50 ...
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How to correctly implement custom iterators and const_iterators?

...e, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work. To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on impl...
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How can I autoplay a video using the new embed code style for Youtube?

... The first parameter after the video ID needs to start with "?" ,all parameters AFTER that needs to be added with "&". If you had for example "?rel=0&autoplay=1" it would be the same as "?autoplay=1&rel=0" and they would both work. – Thanos ...
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How to check if all of the following items are in a list?

... Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me. Use the equivalent and more clearly-named method, ...