大约有 47,000 项符合查询结果（耗时：0.0560秒） [XML]
Looping over arrays, printing both index and value
...n jackman
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6
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List of installed gems?
...puts specs[0..5].map{ |s| "#{s.name} #{s.version}" }
# >> Platform 0.4.0
# >> abstract 1.0.0
# >> actionmailer 3.0.5
# >> actionpack 3.0.5
# >> activemodel 3.0.5
# >> activerecord 3.0.5
Here's an updated way to get a list:
require 'rubygems'
def local_gems
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What is the difference between single and double quotes in SQL?
...2
cmaher
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answered Jan 2 '10 at 18:22
OMG PoniesOMG Poni...
Is there a ceiling equivalent of // operator in Python?
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edited Sep 14 at 21:47
Machavity♦
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Formatting Phone Numbers in PHP
...S app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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Rails 3.1: Engine vs. Mountable App
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143
I have noticed the following:
Full Engine
With a full engine, the parent application inherit...
Escape text for HTML
...com/questions/82008/…
– Gyuri
Dec 4 '09 at 18:14
4
Something that you don't want to find out th...
Multiple returns from a function
...b, c = func()
– Nils Lindemann
Jul 24 at 9:01
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How to randomly select an item from a list?
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14 Answers
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Correct way to find max in an Array in Swift
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Given:
let numbers = [1, 2, 3, 4, 5]
Swift 3:
numbers.min() // equals 1
numbers.max() // equals 5
Swift 2:
numbers.minElement() // equals 1
numbers.maxElement() // equals 5
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