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Do I set properties to nil in dealloc when using ARC?
...ially be avoided like the plague. If you can possibly remove a method call from dealloc, you should do so. This is simplified down to: don't call setters in dealloc.
– Lily Ballard
Mar 7 '12 at 21:30
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With arrays, why is it the case that a[5] == 5[a]?
...he first element of the array. a[5] is the value that's 5 elements further from a, which is the same as *(a + 5), and from elementary school math we know those are equal (addition is commutative).
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How can I get the current page name in WordPress?
...atic page is set as the front page, $pagename will not be set. Retrieve it from the queried object
$post = $wp_query->get_queried_object();
$pagename = $post->post_name;
}
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What's the canonical way to check for type in Python?
... object is of a given type? How about checking whether the object inherits from a given type?
13 Answers
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How to use ng-repeat without an html element
...e else, etc.. just like in the good old days when we would concat our html from strings.. right? no.
as for flattening the structure into a list, here's another solution:
// assume the following structure
var structure = [
{
name: 'item1', subitems: [
{
name...
Didn't Java once have a Pair class? [duplicate]
...it when need to store pairs (like size and object collection).
This piece from my production code:
public Map<L1Risk, Map.Entry<int[], Map<L2Risk, Map.Entry<int[], Map<L3Risk, List<Event>>>>>>
getEventTable(RiskClassifier classifier) {
Map<L1Risk,...
Call a function with argument list in python
...ntax for variable length arguments.
What do *args and **kwargs mean?
And from the official python tutorial
http://docs.python.org/dev/tutorial/controlflow.html#more-on-defining-functions
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What is the difference between C++ and Visual C++? [duplicate]
...sktop apps that were written in Visual C++, so that is perfectly feasible. From what I know of Visual Basic, the main advantage seems to be that the first part of the development cycle may be done faster than when using Visual C++, but as the complexity of a project increases, C++ programs tend to b...
Is there a performance difference between i++ and ++i in C++?
...l still get the same resulting code. In fact, without reading the count in from the user, the optimizer got the whole thing down to a constant. So this:
for(int i=0; i<10; i++)
{
testFoo++;
}
printf("Value: %d\n", testFoo.GetData());
Resulted in the following:
00401000 push 0Ah ...
How to create a custom exception type in Java? [duplicate]
...
You need to create a class that extends from Exception. It should look like this:
public class MyOwnException extends Exception {
public MyOwnException () {
}
public MyOwnException (String message) {
super (message);
}
public MyOwnEx...