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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...0f * self.refreshControl.frame.size.height) animated:YES];
// This line is what actually triggers the refresh action/selector
[self.refreshControl sendActionsForControlEvents:UIControlEventValueChanged];
Note, this example uses a table view, but it could just as well have been a collection view.
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django-debug-toolbar not showing up
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Stupid question, but you didn't mention it, so... What is DEBUG set to? It won't load unless it's True.
If it's still not working, try adding '127.0.0.1' to INTERNAL_IPS as well.
UPDATE
This is a last-ditch-effort move, you shouldn't have to do this, but it will clearly s...
Delete sql rows where IDs do not have a match from another table
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What is "/*This line is unlikely to be needed but using NOT IN...*/" supposed to mean?
– Pacerier
Apr 10 '15 at 14:13
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super() raises “TypeError: must be type, not classobj” for new-style class
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@EOL What do mean? jeffp just pointed out that the code given in this answer is wrong due to lack of self parameter in HTMLParser.__init__() call.
– Piotr Dobrogost
May 24 '13 at 15:00
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How much is the overhead of smart pointers compared to normal pointers in C++?
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Also, what about the default constructor of std::unique_ptr? If you construct a std::unique_ptr<int>, the internal int* gets initialized to nullptr whether you like it or not.
– Martin Drozdik
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onMeasure custom view explanation
...provided by the parent; it is also your custom view's opportunity to learn what those layout constraints are (in case you want to behave differently in a match_parent situation than a wrap_content situation). These constraints are packaged up into the MeasureSpec values that are passed into the met...
Inverse dictionary lookup in Python
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I abhor non-answers like this. "Stop trying to do what you justifiably want to do!" is not an acceptable answer. Why was this accepted? As higher-rated answers to this question attest, reverse dictionary lookup is trivially implementable in less than 80 characters of pure-Py...
Swift - encode URL
...ngByAddingPercentEncodingWithAllowedCharacters() leaves little doubt about what it does. Interesting comment considering how long the word: "flabbergasted" is.
– zaph
Sep 30 '14 at 20:37
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Calling Java varargs method with single null argument?
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The issue is that when you use the literal null, Java doesn't know what type it is supposed to be. It could be a null Object, or it could be a null Object array. For a single argument it assumes the latter.
You have two choices. Cast the null explicitly to Object or call the method using...
JavaScript plus sign in front of function expression
...miliar with parens serving to encompass expressions. It's not clear at all what + is doing in this case if you don't already know this arcane quirk of js.
– Chris
Nov 13 '12 at 19:03
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