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Android: AsyncTask vs Service
...syncTask and Loaders but nothing about Services ? Are Services just not known very well or are they deprecated or have some bad attributes or something? What are the differences?
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Python: print a generator expression?
...expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you can't stick that on a line by itself, you'll get a syntax error. But you can put parenthesis around it.
>>> (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is sometime...
Can inner classes access private variables?
...dited Mar 17 '15 at 6:57
SimplyKnownAsG
74377 silver badges2424 bronze badges
answered Jan 28 '09 at 1:33
Mart...
What is a Proxy in Doctrine 2?
...entity from the database (except when you request the ID, which is always known to the proxy).
This happens fully transparent to your application due to the fact that the proxy extends your entity class.
Doctrine will by default hydrate associations as lazy load proxies if you don't JOIN them in y...
What is the best practice for making an AJAX call in Angular.js?
... in 1.2.X
module.controller('MyCtrl', function($scope, myService) {
// now you can just call it and stick it in a $scope property.
// it will update the view when it resolves.
$scope.foos = myService.getFoos();
});
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Is it worth using Python's re.compile?
... @BrianM.Sheldon naming the regex well doesn't really help you know what its various capturing groups represent.
– Ken Williams
Oct 23 '18 at 3:58
add a comment
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How to add images in select list?
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2020 now and still no way to do this.
– Wingsuit
Apr 7 at 4:20
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Why can't enum's constructor access static fields?
...kind of a phantom method (can't see the source in Enum.class) and i don't know when its created
– Chirlo
Oct 13 '12 at 13:51
1
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When do I need to use AtomicBoolean in Java?
... @Bozho - reads and writes to boolean fields are atomic right?, Now, volatile gives me the latest value of the boolean field. So, effectively, wouldn't volatile boolean be same as AtomicBoolean?.
– TheLostMind
Jul 30 '14 at 14:29
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What is the best algorithm for overriding GetHashCode?
...alue isn't a prime. (The multiplication constant is prime though. I don't know quite how important that is.)
This is better than the common practice of XORing hashcodes for two main reasons. Suppose we have a type with two int fields:
XorHash(x, x) == XorHash(y, y) == 0 for all x, y
XorHash(x, y) ...