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How does the const constructor actually work?

...ly initialize fields to other compile-time constants, so the right-hand sides are limited to "compile-time constant expressions"[1]. And it must be prefixed with "const" - otherwise you just get a normal constructor that happens to satisfy those requirements. That is perfectly fine, it's jus...
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How to pull request a wiki page on GitHub?

... Put your documentation into the git repository together with the code inside a documentation folder. Extend your travis-ci build with some magic that stages all changes from that documentation folder with transformations applied to the wiki git. See last example link below. Consider the wiki as r...
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How to extract a git subdirectory and make a submodule out of it?

... git subtree rocks! – Simon Woodside Apr 7 '11 at 4:27 3 But isn't the point ...
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How can I deploy/push only a subdirectory of my git repo to Heroku?

... to ignore, within the application sub path to be deployed. For example I did not want spec folder on heroku. Example Gist – ch4nd4n Nov 6 '12 at 13:19 ...
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How to use WeakReference in Java and Android development?

... Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References. You should think about using one whenever you need a reference to an object, ...
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How to change the CHARACTER SET (and COLLATION) throughout a database?

...520_ v9.0 -- _0900_ (new) _bin -- just compare the bits; don't consider case folding, accents, etc _ci -- explicitly case insensitive (A=a) and implicitly accent insensitive (a=á) _ai_ci -- explicitly case insensitive and accent insensitive _as (etc) -- accent-sensitive (etc) _bin...
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From inside of a Docker container, how do I connect to the localhost of the machine?

So I have a Nginx running inside a docker container, I have a mysql running on localhost, I want to connect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine. ...
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What is the JSF resource library for and how should it be used?

...module/theme name where all of those resources commonly belong to. Easier identifying This way it's so much easier to specify and distinguish where those resources belong to and/or are coming from. Imagine that you happen to have a primefaces.css resource in your own webapp wherein you're overridi...
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What is the “FS”/“GS” register intended for?

...re intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files as simply addressable memory segments. No BS "Open file, write record, close file", just "Store this value into that virtual data segment" with dirty ...
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What does `someObject.new` do in Java?

... It's the way to instantiate a non-static inner class from outside the containing class body, as described in the Oracle docs. Every inner class instance is associated with an instance of its containing class. When you new an inner class from within its containing class it uses the thi...