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How to build an android library with Android Studio and gradle?

... but nothing I have tried is working. In Eclipse I have 3 projects (2 android app projects and 1 android library project). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restructuring the project but haven't found any docu...
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JS: Check if date is less than 1 hour ago?

...Label: function() { var d = this.lastLogin(); if (! moment(d).isValid()) return 'danger'; // danger if not a date. if (moment(d).add(10, 'minutes').isBefore(/*now*/)) return 'danger'; // danger if older than 10 mins if (moment(d).add(5, 'minutes').isBefore(/*now*/)) return 'warning...
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Node.js and CPU intensive requests

...tarted tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application. ...
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How does deriving work in Haskell?

...or Haskell to let you write your own deriving mechanisms. GHC used to provide a derivable type class extension called Generic Classes, but it was rarely used, as it was somewhat weak. That has now been taken out, and work is ongoing to integrate a new generic deriving mechanism as described in this...
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Android Archive Library (aar) vs standard jar

...les about the new adoption of Gradle as the standard build system for Android apps. Well, coming from standard Java development I usually depend on jar files in order to build my project. However it seems that Android has also aar packages, which are the equivalent to the dll files in a Window...
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How and when to use ‘async’ and ‘await’

...peration Independent work is done on let's assume the Main Thread (Thread ID = 1) then await longRunningTask is reached. Now, if the longRunningTask hasn't finished and it is still running, MyMethodAsync() will return to its calling method, thus the main thread doesn't get blocked. When the longRun...
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Should I use a data.frame or a matrix?

...es can make your code far more efficient than using data frames, often considerably so. That is one reason why internally, a lot of R functions will coerce to matrices data that are in data frames. Data frames are often far more convenient; one doesn't always have solely atomic chunks of data lying...
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?

...ation times fall in the same millisecond range, they will give completely identical sequences. (same seed => same sequence) The second one is not thread safe. Multiple threads can get identical RNGs when initializing at the same time. Additionally, seeds of subsequent initializations tend to be...
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iOS: Compare two dates

...:@"dd/MM/yyyy"]; [dateFormatter setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"] autorelease]]; NSString *stringDate = [dateFormatter stringFromDate:[NSDate date]]; currentdate = [dateFormatter dateFromString:stringDate]; ...
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Updating packages in Emacs

...versions afterwards. You may also want to take a look at Carton which provides a more convenient way to manage your packages by declaring them in a dedicated file, and includes a convenient command line client to automatically install and upgrade packages declared in this way. The order of packa...