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Output first 100 characters in a string
...s shorter than 100, for example print 'foo'[:100] (note that len('foo') is 3, so even when foo[100] doesn't work, it does)
– Rodrigo Laguna
Mar 28 '18 at 19:40
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Why does Python code use len() function instead of a length method?
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183
Strings do have a length method: __len__()
The protocol in Python is to implement this method o...
How to display length of filtered ng-repeat data
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For Angular 1.3+ (credits to @Tom)
Use an alias expression (Docs: Angular 1.3.0: ngRepeat, scroll down to the Arguments section):
<div ng-repeat="person in data | filter:query as filtered">
</div>
For Angular prior to 1.3
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Naming returned columns in Pandas aggregate function? [duplicate]
...data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age height ...
Mongoose (mongodb) batch insert?
Does Mongoose v3.6+ support batch inserts now? I've searched for a few minutes but anything matching this query is a couple of years old and the answer was an unequivocal no.
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Search for string and get count in vi editor
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edited Jun 3 '15 at 9:51
Martin Tournoij
22.1k1717 gold badges8585 silver badges116116 bronze badges
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Get the first element of each tuple in a list in Python [duplicate]
... for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4)...
How to read the value of a private field from a different class in Java?
I have a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example,
why should I need to choose private field is it necessary?
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How can I convert the “arguments” object to an array in JavaScript?
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730
+100
ES6 usi...
Duplicate and rename Xcode project & associated folders [closed]
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369
This answer is the culmination of various other StackOverflow posts and tutorials around the i...