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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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Extending from two classes

...p with. You can get the functionality from both classes and Still only actually be of one class type. The drawback is that you cannot fit into the Mold of the Internal class using a cast. share | i...
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How do I run a node.js app as a background service?

.../bin Environment=NODE_ENV=production WorkingDirectory=/var/www/myapp [Install] WantedBy=multi-user.target Note if you're new to Unix: /var/www/myapp/app.js should have #!/usr/bin/env node on the very first line. Copy your service file into the /etc/systemd/system. Start it with systemctl start...
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Fixed size queue which automatically dequeues old values upon new enques

...ur own queue, just use the inherited one. If you do as you do, you can actually do nothing else with the queue values, all other functions but your new Enqueue will still call the original queue. In other words, although this answer is marked as accepted, it's completely and utterly broken. ...
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Get element inside element by class and ID - JavaScript

...er than worrying about browser compatibility yourself (let someone else do all the work). If you want just a library to do that, then Sizzle will work great. In Sizzle, this would be be done like this: Sizzle("#foo .bar")[0].innerHTML = "Goodbye world!"; jQuery has the Sizzle library built-in...
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Android: allow portrait and landscape for tablets, but force portrait on phone?

...phones to be restricted to portrait only. I can't find any way to conditionally choose an orientation. Any suggestions? 12 ...
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How to determine the longest increasing subsequence using dynamic programming?

...ence) which is ending at element with index i. To compute DP[i] we look at all indices j < i and check both if DP[j] + 1 > DP[i] and array[j] < array[i] (we want it to be increasing). If this is true we can update the current optimum for DP[i]. To find the global optimum for the array you c...
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Force browser to clear cache

...Shawn Version-control wise you could render the <link /> tags dynamically and inject the application's version as a query string parameter. Alternatively, some CMSes will have a "client resources version" as a CMS-wide setting that is appended - the site's admin can manually increase that vers...
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How can I put a ListView into a ScrollView without it collapsing?

...ll work in a future release. Using a LinearLayout would not be much work really. – Romain Guy Aug 16 '10 at 19:52 7 ...
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NSDate get year/month/day

...force a Gregorian calendar, you'll want to use the following: [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] – Itai Ferber Jun 9 '13 at 21:01 2 ...