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Java naming convention for static final variables [duplicate]
...s ChatMessage {
private final Logger logger = LoggerFactory.getLogger(getClass());
}
You wouldn't name it LOGGER in this scenario, so why should you name it all uppercase if it was static final? Its context, or intention, is the same in both circumstances.
Note: I reversed my position on pack...
What does auto&& tell us?
...g T&& may remove ownership from the caller (if a move ctor exists, etc.).
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How do Mockito matchers work?
...exception (or require non-zero or non-null values).
doReturn and doAnswer (etc) do not invoke the actual method and are often a useful alternative.
If you had called a mock method in the middle of stubbing (e.g. to calculate an answer for an eq matcher), Mockito would check the stack length against...
How can I exclude all “permission denied” messages from “find”?
... as standard output is going), or 2>&- which closes standard error, etc. See Redirections for the remaining gory details. (The code above is generic POSIX-like shell, not specific to bash.)
– Jonathan Leffler
Oct 25 '13 at 18:12
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How to handle Handler messages when activity/fragment is paused
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
if (savedInstanceState == null) {
final Fragment state = new State();
final FragmentManager fm = getFragmentManager();
final FragmentTransaction ft = ...
How does data binding work in AngularJS?
... interact with AngularJS through the normal channels (ng-model, ng-repeat, etc) a digest cycle will be triggered by the directive.
A digest cycle is a depth-first traversal of $scope and all its children. For each $scope object, we iterate over its $$watchers array and evaluate all the expressions. ...
What is private bytes, virtual bytes, working set?
...rfectly free to call VirtualAlloc, HeapAlloc (malloc and new in the CRTL), etc. It also tries to describe private memory size as a percentage of working set size, which is nonsensical. The former is a virtual size (and will be the same for every use of the code with the same input) while the latter ...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...Note that a lot more can be done with color matrices. Including inverting, etc...
public class ColorFilterGenerator
{
/**
* Creates a HUE ajustment ColorFilter
* @see http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953
* @see http://gskinner.com/blog/archi...
What are some compelling use cases for dependent method types?
...b: M) = 0;class CI extends C{type A=Int};class CS extends C{type A=String} etc.
– nafg
Oct 7 '13 at 23:26
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Nearest neighbors in high-dimensional data?
...a set of test instances (to calculate predicted values) for n=1, n=2, n=3, etc. and plot the error as a function of n. If you just want a plausible value for n to get started, again, just use n = 3.
The second component is how to weight the contribution of each of the neighbors (assuming n > 1)....