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How can I update a single row in a ListView?
...out calling notifyDataSetChanged()). In general I think it would be a good idea to keep all this logic within the adapter, i.e. passing the ListView reference to it.
– mreichelt
Sep 17 '10 at 21:45
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What are the benefits of functional programming? [closed]
...on all the elements."
Functional programming moves more basic programming ideas into the compiler, ideas such as list comprehensions and caching.
The biggest benefit of Functional programming is brevity, because code can be more concise. A functional program doesn't create an iterator variable to ...
Find and restore a deleted file in a Git repository
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Great idea. I tried this approach and it identified a commit prior to deletion, but not the commit that actually deleted the file. And in another test it identified 2 commits prior to the deletion.
– Michael...
How do I check for null values in JavaScript?
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I'm going to do something that is almost never a good idea: change the code in this answer. Specifically, remove the totally unnecessary test for type object, when checking for null. This is a fundamental code snippet: not a good idea to have even a single beginner mis-learn tha...
Where is the itoa function in Linux?
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It's not a good idea to call your function itoa but give it different behaviour to what common implementations of itoa actually have. This function is an OK idea but call it something else :) I'd also suggest using snprintf to calculate the...
Proper way to use **kwargs in Python
...arameters of which typically only a few are passed, it may be an excellent idea (avoiding accidents and unreadable code at your call sites!) to force the use of named arguments -- threading.Thread is an example. The first form is how you implement that in Python 2.
The idiom is so important that i...
Why an abstract class implementing an interface can miss the declaration/implementation of one of th
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That wouldn't be a good idea, as there can typically be lots of abstract classes and the 'false' warnings would soon overwhelm you, causing you to miss the 'true' warnings. If you think about it, the 'abstract' keyword is there specifically to tell ...
How to toggle a value in Python
...; x
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>>> x ^= t # toggle
>>> x
-117
(This idea was submitted by Nick Coghlan and later generalized by @zxxc.)
Solution using a dictionary
If the values are hashable, you can use a dictionary:
>>> A = 'xyz'
>>> B = 'pdq'
>>> d = {A:B, B:A...
set up device for development (???????????? no permissions)
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though the idea is the same as in the accepted answer, this one only helped me, due to the provided example. Thanks
– user907860
Jun 12 '14 at 18:05
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Maintain/Save/Restore scroll position when returning to a ListView
...want the list to be scrolled to the same point that it was previously. Any ideas on how to achieve this?
20 Answers
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