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From an array of objects, extract value of a property as array
...ence _.map(), also allow you to provide a dot-separated string or array in order to access sub-properties:
var objArray = [
{
someProperty: { aNumber: 5 }
},
{
someProperty: { aNumber: 2 }
},
{
someProperty: { aNumber: 9 }
}
];
var result = _.map(objA...
What is a Python egg?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...that has NA converting to the new 'Int64' dtype will give you an error. In order to solve this you have to round the numbers and then do ".astype('Int64')"
s1 = pd.Series([1.434, 2.343, np.nan])
#without round() the next line returns an error
s1.astype('Int64')
#cannot safely cast non-equivalent f...
matplotlib Legend Markers Only Once
...: I had not seen that. My mistake. You should also highlight it as code in order to make it more visible.
– Marcos Alex
Mar 7 '14 at 8:41
2
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What is a web service endpoint?
...lication. The same web service can have multiple endpoints, for example in order to make it available using different protocols.
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Get child node index
...????????
I hypothesize that given an element where all of its children are ordered on the document sequentially, the fastest way should be to do a binary search, comparing the document positions of the elements. However, as introduced in the conclusion the hypothesis is rejected. The more elements y...
Two color borders
Client wants two color borders for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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Ways to implement data versioning in MongoDB
..., content: "bar" }
]
}
data contains all versions. The data array is ordered, new versions will only get $pushed to the end of the array. data.vid is the version id, which is an incrementing number.
Get the most recent version:
find(
{ "_id":ObjectId("...") },
{ "data":{ $slice:-1 } ...
How do I get LaTeX to hyphenate a word that contains a dash?
... MWE, it will hypenate too much. Just set \setlength{\textwidth}{0.1cm} in order to try that.
– LaRiFaRi
Jul 30 '14 at 10:57
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How do I convert a numpy array to (and display) an image?
...xes.flat do?
It creates a numpy enumerator so you can iterate over axis in order to draw objects on them.
Example:
import numpy as np
x = np.arange(6).reshape(2,3)
x.flat
for item in (x.flat):
print (item, end=' ')
shar...