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How do I prevent the iPhone screen from dimming or turning off while my application is running?
...that view controller (when the view appears). To re-enable the timer you'd then use [[UIApplication sharedApplication] setIdleTimerDisabled:NO]; when the view disappears.
– Liam George Betsworth
Apr 17 '12 at 14:48
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...ntation, I would never use dict() if there is a chance that the keys added then, or in the future, would either:
Not always be a string
Not only contain digits, ASCII letters and underscores
Start with an integer (dict(1foo=2) raises a SyntaxError)
...
How do I specify a single test in a file with nosetests?
...nittest.TestCase):
@wipd
def test_something(self):
pass
Then -a wip can be used at the command line to narrow the execution of the test to the ones marked with @wipd.
Note on names...
I'm using the name @wipd for the decorator rather than @wip to avoid this kind of problem:
imp...
Remove all child elements of a DOM node in JavaScript
...ld;
}
If there's any chance that you have jQuery affected descendants, then you must use some method that will clean up jQuery data.
$('#foo').empty();
The jQuery .empty() method will ensure that any data that jQuery associated with elements being removed will be cleaned up.
If you simply us...
How do I raise the same Exception with a custom message in Python?
...rgs = (err.args[0] + " hello",) + err.args[1:] may work more reliably (and then just convert to a string to get the message).
– Duncan
Feb 6 '12 at 9:50
1
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Share data between AngularJS controllers
...y someone
using $state.go
$state.go('book.name', {Name: 'XYZ'});
// then get parameter out of URL
$state.params.Name;
$stateparam works in a similar way to $state.go, you pass it as object from sender controller and collect in receiver controller using stateparam
using $rootscope
(a) send...
Why does NULL = NULL evaluate to false in SQL server
...l reasons.
...
If the IEEE rules for math were allowed in
SQL, then we would need type conversion rules for infinite and a way to
represent an infinite exact numeric value after the conversion. People
have enough trouble with NULLs, so let’s not go there.
SQL implementations unde...
Why is Scala's immutable Set not covariant in its type?
...on behind this is Russell's paradox: if anything can be a member of a set, then consider the Set R of sets which are not members of themselves. Then ask the question, is R a member of R?
– oxbow_lakes
Jan 11 '10 at 22:39
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JPA EntityManager: Why use persist() over merge()?
.... I switched to em.persist(myEntityObject) and got just INSERT statements then.
share
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Fastest Way to Find Distance Between Two Lat/Long Points
...oordinates field to quickly select all rows which are within rectangle and then calculates actual distance for all filtered places to exclude places from rectangles corners and leave only places inside circle.
This is visualisation of my result:
Gray stars visualise all points on map, yellow sta...