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Best way to add Activity to an Android project in Eclipse?
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One caveat is that you must remember to prepend the "." to your Activitiy name, or you will end up with all sorts of nonsensical err msgs.
– B. Clay Shannon
Dec 3 '11 at 21:59
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How to deep copy a list?
...).
You use copy.deepcopy(...) for deep copying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy operation on arbitrary Python objects.
See the following snippet -
>>> a = [[1, 2, 3], [4, 5, 6]]
>>> b = list(a)
>>> a
[[1, 2, 3], [4, 5, 6]]
>>> b
[[1, 2, ...
To ARC or not to ARC? What are the pros and cons? [closed]
...you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate temporary variables, inline functions, etc.)
OK, now I will tell you about the small downsides:
If you're a long-time ObjC developer, you will twit...
How to draw a rounded Rectangle on HTML Canvas?
I found that there are only can fill rectangle, but no rounded corner one, how can I do that?
12 Answers
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wget/curl large file from google drive
...ed. Google Apps customers can continue to use this feature for a period of one year until August 31, 2016, when serving content via googledrive.com/host/doc id will be discontinued." googleappsupdates.blogspot.com/2015/08/…
– chrish
Sep 18 '15 at 14:44
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How to get the mouse position without events (without moving the mouse)?
...t; elements, checking currentStyle / getComputedStyle() until you find the one with the hover font. Extrapolate back from this element to get the co-ordinates within the document.
N.B. DON'T DO THIS.
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Using global variables in a function
... each function that assigns a value to it:
globvar = 0
def set_globvar_to_one():
global globvar # Needed to modify global copy of globvar
globvar = 1
def print_globvar():
print(globvar) # No need for global declaration to read value of globvar
set_globvar_to_one()
print_globvar...
What is a wrapper class?
... which "wraps" or "encapsulates" the functionality of another class or component. These are useful by providing a level of abstraction from the implementation of the underlying class or component; for example, wrapper classes that wrap COM components can manage the process of invoking the COM compo...
How to make --no-ri --no-rdoc the default for gem install?
..., thus the current answer to only include the gem directive is the correct one.
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What is the “-->” operator in C++?
...rd "then" implies there is an order (after post decrementing, x's value is one less). I think one can say "You're post decrementing x and then comparing its old value and 0 ..." to make it clearer. But this is nitpicking anyway. We all know what is meant.
– Johannes Schaub - li...