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Reduce, fold or scan (Left/Right)?
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In general, all 6 fold functions apply a binary operator to each element of a collection. The re...
Insert an element at a specific index in a list and return the updated list
...can do b = a[:index] + [obj] + a[index:].
However, another way is:
a = [1, 2, 4]
b = a[:]
b.insert(2, 3)
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Find the most frequent number in a numpy vector
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Python 3.x rounding behavior
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Python 3's way (called "round half to even" or "banker's rounding") is considered the standard r...
How to check the version before installing a package using apt-get?
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OK, I found it.
apt-cache policy <package name> will show the version details.
It also sh...
How do shift operators work in Java? [duplicate]
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System.out.println(Integer.toBinaryString(2 << 11));
Shifts binary 2(10) by 11 times ...
How to compare software version number using js? (only number)
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Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
...受益，也希望大家能有版本意识，转载时注明来自salever@126.com。
之前有一套基于Eclipse3.3版本的教程，也是本人整理，由于本人的疏忽，导致网络上的版本各不相同，但分享已久，无法改变，希望大家谅解并使用新版本的教程...
How do I calculate square root in Python?
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sqrt=x**(1/2) is doing integer division. 1/2 == 0.
So you're computing x(1/2) in the first in...