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Finding all possible combinations of numbers to reach a given sum
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29 Answers
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Ruby - elegantly convert variable to an array if not an array already
...t of the time, but for some cases like a hash, it messes it up.
Array([1, 2, 3]) # => [1, 2, 3]
Array(1) # => [1]
Array(nil) # => []
Array({a: 1, b: 2}) # => [[:a, 1], [:b, 2]]
[*[1, 2, 3]] # => [1, 2, 3]
[*1] # => [1]
[*nil] # => ...
What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means
"equal to 2.3 o...
Five equal columns in twitter bootstrap
...tand how the 5 column grid is being used here:
http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 ...
Migrating from JSF 1.2 to JSF 2.0
I am working with a rather large app written in JSF 1.2 .
JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc.
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Rounding float in Ruby
...er, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
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Convert a list to a dictionary in Python
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12 Answers
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How do you calculate the average of a set of circular data? [closed]
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How to round to 2 decimals with Python?
...the decimal point.
In your case, it would be:
answer = str(round(answer, 2))
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