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What is JSONP, and why was it created?
...you need to cross domain boundaries, a no-no in most of browserland.
The one item that bypasses this limitation is <script> tags. When you use a script tag, the domain limitation is ignored, but under normal circumstances, you can't really do anything with the results, the script just gets e...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...React: Rethinking best practices -- JSConf EU 2013 ) and the speaker mentioned that dirty-checking of the model can be slow. But isn't calculating the diff between virtual DOMs actually even less performant since the virtual DOM, in most of the cases, should be bigger than model?
...
How to delete a specific line in a file?
...
Why does Python not allow us to do this in one line?
– Ooker
Jul 1 '14 at 16:37
5
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Is there a way to make ellipsize=“marquee” always scroll?
...creen at the same time (like when used in ListView) - because usually only one of them can be focused, but this solution 'tricks' the system by telling it all of them are :) Otherwise for single TextView simpler anwer like stackoverflow.com/a/3510891/258848 should be used.
– di...
Could not launch process launch failed: timed out waiting for app to launch
...d this problem when I used a Distribution certificate instead of Developer one when running the app from Xcode. You may check it out your target --> Build Settings --> Code signing.
As @AndyDynn pointed out in his comment:
Make sure you do this on the "Target" build settings and not just the ...
Extracting specific columns in numpy array
... 9?
To select multiple columns at once, use
X = data[:, [1, 9]]
To select one at a time, use
x, y = data[:, 1], data[:, 9]
With names:
data[:, ['Column Name1','Column Name2']]
You can get the names from data.dtype.names…
...
Bash if [ false ] ; returns true
...
One can, but it's a really bad idea. ( $A && $B ) is a surprisingly inefficient operation -- you're spawning a subprocess via calling fork(), then string-splitting the contents of $A to generate a list of elements (in...
class method generates “TypeError: … got multiple values for keyword argument …”
...f the class is declared thus:
class foo(object):
def foodo(self, thing=None, thong='not underwear'):
print thing if thing else "nothing"
print 'a thong is',thong
it behaves as expected.
Explanation:
Without self as the first parameter, when myfoo.foodo(thing="something") is executed...
What is the “right” way to iterate through an array in Ruby?
... => 0
B => 1
C => 2
I'm not quite sure from your question which one you are looking for.
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Check if object is file-like in Python
...o the fact that this is often useful, even in python. In general, when someone asks "how to foo", "don't foo" is not a highly satisfactory answer.
– AdamC
Oct 23 '15 at 19:13
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