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How to convert timestamps to dates in Bash?

.... The input can come either from the first parameter or from stdin, allowing for the following usage patterns: 15 Answers ...
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Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3

I'm now reading documentation on Twitter Bootstrap 3, and tried to follow column ordering as shown in this page but hit the wall. I don't understand why such a code works nor how to correctly specify the setting. What I want to show is one grid, which is consisted of length 5, and the other leng...
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Check if a row exists, otherwise insert

... I assume a single row for each flight? If so: IF EXISTS (SELECT * FROM Bookings WHERE FLightID = @Id) BEGIN --UPDATE HERE END ELSE BEGIN -- INSERT HERE END I assume what I said, as your way of doing things can overbook a flight, ...
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Type erasure techniques

(With type erasure, I mean hiding some or all of the type information regarding a class, somewhat like Boost.Any.) I want to get a hold of type erasure techniques, while also sharing those, which I know of. My hope is kinda to find some crazy technique that somebody thought of in his/her darkest h...
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How does one make random number between range for arc4random_uniform()?

so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
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proper way to sudo over ssh

I have a script which runs another script via SSH on a remote server using sudo. However, when I type the password, it shows up on the terminal. (Otherwise it works fine) ...
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Why does Stream not implement Iterable?

In Java 8 we have the class Stream<T> , which curiously have a method 9 Answers ...
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Python Image Library fails with message “decoder JPEG not available” - PIL

PIL does support JPEG in my system. 15 Answers 15 ...
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Calculate number of hours between 2 dates in PHP

...s called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here's what you want with the help of this objects: // Create two new DateT...
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Can a C# class inherit attributes from its interface?

... No. Whenever implementing an interface or overriding members in a derived class, you need to re-declare the attributes. If you only care about ComponentModel (not direct reflection), there is a way ([AttributeProvider]) of suggesting attributes fro...