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Default parameters with C++ constructors [closed]
...defaults for all but one parameter, your class can be implicitly converted from that parameter type. Check out this thread for more info.
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Fragment onResume() & onPause() is not called on backstack
... if you to a different child in my FragmentStatePagerAdapter (say you move from child 0 to child 2, note to self, this happens because child 0 is destroyed when child 2 opens)
– Sufian
Aug 28 '15 at 14:17
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What command opens Ruby's REPL?
...ram named irb, but since it is just a Ruby library, it can also be invoked from Ruby code and not just from the shell. On Rubinius, IRb can also be invoked by just calling the rbx program without arguments, just like in CPython.
There is also a very nice REPL called Pry, which installs a program na...
C/C++ macro string concatenation
...ine PPCAT_NX(A, B) A ## B
PPCAT_NX("s", "1")
produces this error message from the preprocessing phase of gcc: error: pasting ""s"" and ""1"" does not give a valid preprocessing token
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However, for general token pasting, try this:
/*
* Concatenate preprocessor tokens A and B without expanding...
Why would iterating over a List be faster than indexing through it?
...m3 -> etc.
To access item3, you can see clearly that you need to walk from the head through every node until you reach item3, since you cannot jump directly.
Thus, if I wanted to print the value of each element, if I write this:
for(int i = 0; i < 4; i++) {
System.out.println(list.get(...
AngularJS : ng-model binding not updating when changed with jQuery
... This did the trick for me. I was updating the value of a bound input from a directive test and wrapping the .val('something' call in an $apply (or calling $digest afterward) didn't work.
– Tom Seldon
Apr 29 '15 at 11:38
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Using fonts with Rails asset pipeline
...nd all non-JS/CSS files (this will include all image assets automatically) from app/assets folders" (see here)
– Eric L.
Nov 6 '13 at 13:26
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Object.watch() for all browsers?
...om/2009/01/internet-explorer-object-watch.html.
It does change the syntax from the Firefox way of adding observers. Instead of :
var obj = {foo:'bar'};
obj.watch('foo', fooChanged);
You do:
var obj = {foo:'bar'};
var watcher = createWatcher(obj);
watcher.watch('foo', fooChanged);
Not as sweet...
Testing whether a value is odd or even
...ry that you'll have to buy. Note that the question did include conversions from other types to number, and clearly the point of what I'm suggesting here is to have a simple one-line function that handles numbers and strings. Of course, as per my own comment this doesn't actually handle all possible ...
Build a Basic Python Iterator
...r described at the end of this answer (except instead of the bounds coming from arguments to __iter__, they'd be arguments to __init__ saved on self and accessed from self in __iter__).
– ShadowRanger
Feb 24 '18 at 1:19
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