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What does the “@” symbol mean in reference to lists in Haskell?
... = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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What is offsetHeight, clientHeight, scrollHeight?
...f explaining what is the difference between offsetHeight , clientHeight and scrollHeight or offsetWidth , clientWidth and scrollWidth ?
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Mockito: Inject real objects into private @Autowired fields
I'm using Mockito's @Mock and @InjectMocks annotations to inject dependencies into private fields which are annotated with Spring's @Autowired :
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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I did some benchmarks to see what's the fastest way and these are my results and conclusions. I ran each method 10M times and added a comment with the average time per run.
If your input milliseconds are not limited to one day (your result may be 143:59:59.999), these are the...
How to build Qt for Visual Studio 2010
...t with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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How do I convert a pandas Series or index to a Numpy array? [duplicate]
...d for a conversion.
Note: This attribute is also available for many other pandas' objects.
In [3]: df['A'].values
Out[3]: Out[16]: array([1, 2, 3])
To get the index as a list, call tolist:
In [4]: df.index.tolist()
Out[4]: ['a', 'b', 'c']
And similarly, for columns.
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nodejs vs node on ubuntu 12.04
...ble shells:
sudo ln -s `which nodejs` /usr/bin/node
Or if you use non-standard shells, just hardcode the path you find with which nodejs:
sudo ln -s /usr/bin/nodejs /usr/bin/node
Later edit
I found this explanation in the link you posted
There is a naming conflict with the node package (A...
Deprecated warning for Rails 4 has_many with order
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In Rails 4, :order has been deprecated and needs to be replaced with lambda scope block as shown in the warning you've posted in the question. Another point to note is that this scope block needs to be passed before any other association options such as dependent...
What is the difference between parseInt() and Number()?
How do parseInt() and Number() behave differently when converting strings to numbers?
10 Answers
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Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...us' as something to be staged. I would like to hide this particular change and not commit it. I won't make any other changes to the file.
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