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What's the best way to share data between activities?
... I have two other activities which I would like to be able to use the data from the first activity.
Now I know I can do something like this:
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What is the difference between List (of T) and Collection(of T)?
... public void new InsertItem(...) and then calling the base.InsertItem(...) from within ? It would still not break the contract. (the name is 'Insert' in List, but nonetheless). So what is the big deal in sticking to Collections<T> ?
– DeeStackOverflow
Mar...
How to prevent Node.js from exiting while waiting for a callback?
...f the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to exit silently.
This is a sneaky bug, that is one that ...
Offset a background image from the right using CSS
Is there a way to position a background image a certain number of pixels from the right of its element?
17 Answers
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Close and Dispose - which to call?
...for classes such as SqlConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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What is the Difference Between Mercurial and Git?
...(changesets) which make up the history. Each changeset knows where it came from (the parent changeset) and can have many child changesets. The recent hg-git extension provides a two-way bridge between Mercurial and Git and sort of shows this point.
Git has a strong focus on mutating this history gr...
Getting unique items from a list [duplicate]
What is the fastest / most efficient way of getting all the distinct items from a list?
5 Answers
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map vs. hash_map in C++
...characteristics (e.g. it is stored in sorted order, which allows traversal from start to finish). unordered_map will be faster on insert and delete than a map.
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Convert Python dict into a dataframe
... all scalar values, you must must pass an index
You could take the items from the dictionary (i.e. the key-value pairs):
In [11]: pd.DataFrame(d.items()) # or list(d.items()) in python 3
Out[11]:
0 1
0 2012-07-02 392
1 2012-07-06 392
2 2012-06-29 391
3 2012-06-28 391
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Strip Leading and Trailing Spaces From Java String
Is there a convenience method to strip any leading or trailing spaces from a Java String?
6 Answers
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