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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...is no difference between them other than that the first approach requires more typing and is potentially clearer.
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Which Eclipse version should I use for an Android app?
...ge, the question must be unasked:
The Eclipse ADT plugin is no longer supported, as per this announcement in June 2015.
The Eclipse ADT plugin has many known bugs and potential security bugs that will not be fixed.
You should immediately switch to use Android Studio, the official IDE for Android....
How to use “not” in xpath?
I want to write something of the sort:
4 Answers
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What exactly is Spring Framework for? [closed]
...t Spring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for?
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When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
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Per the documentation:
void onRestoreInstanceState (Bundle savedInstanceState)
This method is called between onStart() and onPostCreate(Bundle).
void onSaveInstanceState (Bundle outState)
If called, this method will occur after onStop() for app...
Fetch first element which matches criteria
... element that matches a criteria in a stream? I've tried this but doesn't work
3 Answers
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How to configure Ruby on Rails with no database?
It would be convenient to use Ruby on Rails for a small website project that has no current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
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Git: How to reuse/retain commit messages after 'git reset'?
As Git user I regular come across the situation, that I need to rework one or more commits in a way which do not fit into --amend or rebase -i with fixup commits. Typically I would do something like
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Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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Git pull without checkout?
I'm used to running git pull and other commands from within a branch I'm working on. But I have set up a development server that several people work on, so I don't want to have to switch branches when I do it. If I want to update an existing branch on the dev server from the github repository we a...