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Get margin of a View
....LayoutParams, but nothing like LayoutParams in itself. And since I don't know the type of the view, I cannot use any of the former classes.
– Arnab Chakraborty
Sep 19 '11 at 8:54
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Numpy array assignment with copy
....g. A = np.array([[1,2,3],[4,5]]); B = np.array([None,None], dtype='O'). Now try B[:] = A; B[0][0]=99, this will change the first element in both A and B! To my knowledge, there is no other way to guarantee a deep copy, even of a numpy-array, than copy.deepcopy
– Rolf Barts...
Gulp.js task, return on src?
...c() returns a stream, so it's async.
Without it the task system wouldn't know when it finished. Read the docs.
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Accessing the index in 'for' loops?
...e want to iterate over with an index:
items = ['a', 'b', 'c', 'd', 'e']
Now we pass this iterable to enumerate, creating an enumerate object:
enumerate_object = enumerate(items) # the enumerate object
We can pull the first item out of this iterable that we would get in a loop with the next fun...
Java ArrayList - how can I tell if two lists are equal, order not mattering?
...use there’s a recent similar question regarding iterables. Since we also now have Java 8, it was worth rethinking it. If you short-circuit in the second loop when the number becomes negative, the third loop becomes obsolete. Further, avoiding boxing might be a double-edged sword, with new Map.merg...
What are forward declarations in C++?
...erence between declaration and definition
As an aside, it's important to know the difference between a declaration and a definition. A declaration just gives enough code to show what something looks like, so for a function, this is the return type, calling convention, method name, arguments and th...
Collections.emptyMap() vs new HashMap()
...learly states that the map is initialized to an empty map.
In addition - knowing that this method returns an immutable map, it is now easier for me to find where fooBarMap is being assigned another nonempty value just by searching for /fooBarMap =/.
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Firefox Web Console Disabled?
...ug option drop down. This clears out all the firebug codes form your page. Now Use ctrl+shift+k to bring up Firefox console that displays your console logs.
– Clain Dsilva
Jul 20 '14 at 6:27
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Razor doesn't understand unclosed html tags
... else
return MvcHtmlString.Empty;
}
}
}
Now you can use this extension method in your razor view:
@Html.Html("<div>", somecondition)
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How to Deal with Temporary NSManagedObject instances?
...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...