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How to convert BigDecimal to Double in Java?
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3 Answers
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Get all attributes of an element using jQuery
...he attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of:
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How to add new item to hash
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307
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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How do I test an AngularJS service with Jasmine?
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137
The problem is that the factory method, that instantiate the service, is not called in the exam...
Matplotlib scatter plot with different text at each data point
... could use annotate() while iterating over the values in n.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
ax.scatter(z, y)
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y[i]))
There are a lot of...
How to remove a field from params[:something]
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rmcsharry
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answered Mar 1 '11 at 5:05
Jeremy RutenJeremy...
How does one escape backslashes and forward slashes in VIM find/search?
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CascabelCascabel
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Need to understand the usage of SemaphoreSlim
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3 Answers
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What is the difference between NaN and None?
...= pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype
Out[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (below) on this:
np.nan allows for vectorized operations; its a float value, while None, by definition, forces object ty...