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How do I use the new computeIfAbsent function?

...onacci(0) memo.put(1,1L); //fibonacci(1) } And for the inductive step all we have to do is redefine our Fibonacci function as follows: public static long fibonacci(int x) { return memo.computeIfAbsent(x, n -> fibonacci(n-2) + fibonacci(n-1)); } As you can see, the method computeIfAbsen...
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fatal: early EOF fatal: index-pack failed

...to the new directory and retrieve the rest of the clone: git fetch --unshallow or, alternately, git fetch --depth=2147483647 Now, do a regular pull: git pull --all I think there is a glitch with msysgit in the 1.8.x versions that exacerbates these symptoms, so another option is to try w...
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How do I view an older version of an SVN file?

...lyMunky Try svn cat | vim -. If vim's syntax highlighting doesn't automatically kick in, do :set syntax=java (or whichever language). – John Kugelman Nov 27 '12 at 4:10 1 ...
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Couldn't register with the bootstrap Server

...r from this by unplugging the iPad, powering it down and back up, clearing all XCode caches and targets, and doing a clean build. I'm running XCode 3.5.4 and iOS 4.2.1 Hope this helps someone. -Mike UPDATE: Same problem running Xcode 4.3 and iOS5 - just power-cycle the device. ...
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How to parse JSON in Python?

... is currently receiving a JSON message in python which I need to get bits of information out of. For the purposes of this, let's set it to some simple JSON in a string: ...
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C++ Modules - why were they removed from C++0x? Will they be back later on?

I just discovered this old C++0x draft about modules in C++0x. 4 Answers 4 ...
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How to change the height of a ?

... Here is the correct solution that actually has cross-browser support: br { line-height: 150%; } share | improve this answer | ...
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Non-type template parameters

...ime. They could change during runtime, which would require the generation of a new template during runtime, which isn't possible because templates are a compile-time concept. Here's what the standard allows for non-type template parameters (14.1 [temp.param] p4): A non-type template-parameter shall...
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Can I set variables to undefined or pass undefined as an argument?

...t Javascript undefined & null. Don't be confused about null. It generally makes sense and behaves similarly to other scripting languages' concepts of the out-of-band ‘null’, ‘nil’ or ‘None’ objects. undefined, on the other hand, is a weird JavaScript quirk. It's a singleton object...
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Xcode debugging - displaying images

... Awesome suggestion @mackworth. Thanks. – arango_86 Jul 30 '18 at 10:15 add a comment  |  ...