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Wrapping null-returning method in Java with Option in Scala?

Suppose I have a method session.get(str: String): String but you don't know whether it will return you a string or a null, because it comes from Java. ...
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Join a list of strings in python and wrap each string in quotation marks

... >>> words = ['hello', 'world', 'you', 'look', 'nice'] >>> ', '.join('"{0}"'.format(w) for w in words) '"hello", "world", "you", "look", "nice"' share | ...
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Maintaining the final state at end of a CSS3 animation

I'm running an animation on some elements that are set to opacity: 0; in the CSS. The animation class is applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things). ...
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What is the equivalent of “android:fontFamily=”sans-serif-light" in Java code?

My question is quite simple: 6 Answers 6 ...
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Cast an instance of a class to a @protocol in Objective-C

I have an object (a UIViewController) which may or may not conform to a protocol I've defined. 2 Answers ...
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How to make pipes work with Runtime.exec()?

... Write a script, and execute the script instead of separate commands. Pipe is a part of the shell, so you can also do something like this: String[] cmd = { "/bin/sh", "-c", "ls /etc | grep release" }; Process p = Runtime.getRuntime().exec(cmd); ...
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Remove 'a' from legend when using aesthetics and geom_text

...the 'a' letter will not show in the legend. I want to keep geom_text , though. 6 Answers ...
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How to find current transaction level?

How do you find current database's transaction level on SQL Server? 5 Answers 5 ...
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Preserve colouring after piping grep to grep

There is a simlar question in Preserve ls colouring after grep’ing but it annoys me that if you pipe colored grep output into another grep that the coloring is not preserved. ...
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How do I push a local Git branch to master branch in the remote?

I have a branch called develop in my local repo, and I want to make sure that when I push it to origin it's merged with the origin/master. Currently, when I push it's added to a remote develop branch. ...