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sbt-assembly: deduplication found error

... Actually I think we should just overwrite merge strategy for META-INF leaving old strategies for the rest, so: assemblyMergeStrategy in assembly := { case PathList("META-INF", xs @ _*) => MergeStrategy.discard\n ca...
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What is the relative performance difference of if/else versus switch statement in Java?

...ic interface Action { void execute(String input); } And get hold of all implementations in some Map. You can do this either statically or dynamically: Map<String, Action> actions = new HashMap<String, Action>(); Finally replace the if/else or switch by something like this (leav...
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iOS 7 - Status bar overlaps the view

... Xcode 5 has iOS 6/7 Deltas which is specifically made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20. Since my storyboard is not using auto-layout,...
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How to get the list of all printers in computer

I need to get the list of all printers that connect to computer? 6 Answers 6 ...
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Do sealed classes really offer performance Benefits?

... The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further. There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but ...
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How to round a number to significant figures in Python

... round_sig = lambda f,p: float(('%.' + str(p) + 'e') % f) allows you to adjust the number of significant digits! – denizb Aug 6 '17 at 22:43 ...
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How to read a large file line by line?

...e line from the file. echo $file->fgets(); } // Unset the file to call __destruct(), closing the file handle. $file = null; share | improve this answer | follow ...
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What is the reason for having '//' in Python? [duplicate]

... I actually like this style better... I can remember in atleast one language I've used (VB?) the differentiating factor was / vs \ ... but I could never remember which was which! – Matthew Scharley ...
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MongoDB and “joins” [duplicate]

I'm sure MongoDB doesn't officially support "joins". What does this mean? 11 Answers 1...
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Using node.js as a simple web server

... Simplest Node.js server is just: $ npm install http-server -g Now you can run a server via the following commands: $ cd MyApp $ http-server If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for u...