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I change the capitalization of a directory and Git doesn't seem to pick up on it
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How to Update Multiple Array Elements in mongodb
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Compute a confidence interval from sample data
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168
import numpy as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
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Consistency of hashCode() on a Java string
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102
I can see that documentation as far back as Java 1.2.
While it's true that in general you sho...
How do I match any character across multiple lines in a regular expression?
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answered Oct 1 '08 at 18:52
Jeremy RutenJeremy Ruten
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联网 App 第 3 课：点击挑战排行榜，字典存成绩、破纪录才写回、按分数排序...
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这一课学什么
准备
第一步：10 秒小游戏（这一课新增）
第二步：成绩表是一个字典
第三步：破纪录才写回
第四步：排出名次
跑起来看看
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AngularJS 1.2 $injector:modulerr
When using angular 1.2 instead of 1.07 the following piece of code is not valid anymore, why?
18 Answers
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How to map and remove nil values in Ruby
... and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a g...