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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?

... I did some benchmarks to see what's the fastest way and these are my results and conclusions. I ran each method 10M times and added a comment with the average time per run. If your input milliseconds are not limited to one day (your result may be 143:59:59.999), these are the...
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Can't seem to discard changes in Git

After seeing the following from the command line: 19 Answers 19 ...
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Creating a range of dates in Python

I want to create a list of dates, starting with today, and going back an arbitrary number of days, say, in my example 100 days. Is there a better way to do it than this? ...
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How to simulate target=“_blank” in JavaScript

When a user clicks on a link, I need to update a field in a database and then open the requested link in a new window. The update is no problem, but I don't know how to open a new window without requiring them to click on another hyperlink. ...
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How to get started on TDD with Ruby on Rails? [closed]

...have' not required. Once I've got all my testing classes how do I go and deploy them? Not sure about the question. You don't usually deploy the tests. Once you have all your testing classes simple type 'rake test' to run all your tests. How time consuming TDD really is? It saves time ...
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Is there a label/goto in Python?

... No, Python does not support labels and goto, if that is what you're after. It's a (highly) structured programming language. share | improve this answer ...
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All but last element of Ruby array

...3] or a.take 3 or a.first 3 or a.pop which will return the last and leave the array with everything before it or make the computer work for its dinner: a.reverse.drop(1).reverse or class Array def clip n=1 take size - n end end a # => [1, 2, 3, 4] a.clip # =&g...
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Get timezone from DateTime

...ly means. DateTimeOffset is somewhat better - that's basically a UTC time and an offset. However, that's still not really enough to determine the timezone, as many different timezones can have the same offset at any one point in time. This sounds like it may be good enough for you though, as all yo...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1? 18 Answers ...
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Why is a ConcurrentModificationException thrown and how to debug it

... (a HashMap used indirectly by the JPA, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps? ...