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How to override the [] operator in Python?
...thod.
class MyClass:
def __getitem__(self, key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last)...
Loop through an array php
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272
Using foreach loop without key
foreach($array as $item) {
echo $item['filename'];
ech...
How to make a element expand or contract to its parent container?
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answered Jan 18 '12 at 23:41
robertcrobertc
67.4k1818 gold badges179179 silver badges166166 bronze badges
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How do I update zsh to the latest version?
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edited Dec 1 '15 at 21:59
Joe Lencioni
9,7731616 gold badges4949 silver badges6565 bronze badges
a...
Understanding the ngRepeat 'track by' expression
...s
e.g.: $scope.dataSource: [{id:1,name:'one'}, {id:1,name:'one too'}, {id:2,name:'two'}]
You can't iterate this collection while using 'id' as identifier (duplicate id:1).
WON'T WORK:
<element ng-repeat="item.id as item.name for item in dataSource">
// something with item ...
</elemen...
Removing non-repository files with git?
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edited Oct 27 '14 at 14:08
Julien Roncaglia
16k33 gold badges5555 silver badges7373 bronze badges
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How to include file in a bash shell script
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edited Jul 13 at 23:00
answered May 30 '12 at 20:20
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add a string prefix to each value in a string column using Pandas
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236
df['col'] = 'str' + df['col'].astype(str)
Example:
>>> df = pd.DataFrame({'col':['...
Remote debugging a Java application
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edited Aug 9 '15 at 2:44
answered Jun 10 '09 at 12:47
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What is the second parameter of NSLocalizedString()?
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answered Sep 18 '09 at 6:20
Alex ReynoldsAlex Reynolds
89.7k4949 gold badges220220 silver badges313313 bronze badges
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