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What optimizations can GHC be expected to perform reliably?
...y the same, not the same by value. For example, CSE won't fire in the following code without a bunch of inlining:
x = (1 + (2 + 3)) + ((1 + 2) + 3)
y = f x
z = g (f x) y
However, if you compile via llvm, you may get some of this combined, due to its Global Value Numbering pass.
Liberate case
Thi...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...ications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation...
How can I specify the base for Math.log() in JavaScript?
I need a log function for JavaScript, but it needs to be base 10. I can't see any listing for this, so I'm assuming it's not possible. Are there any math wizards out there who know a solution for this?
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
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2.2.5 配置yum
vi /etc/yum.repos.d/rhel-source.repo
[rhel-source]
name=Red Hat Enterprise Linux $releasever - $basearch - Source
baseurl...
Differences between Oracle JDK and OpenJDK
.... Any thoughts?
– Andy Dufresne
May 10 '18 at 5:34
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How to round float numbers in javascript?
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var number = 6.688689;
var roundedNumber = Math.round(number * 10) / 10;
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Strangest language feature
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In C, arrays can be indexed like so:
a[10]
which is very common.
However, the lesser known form (which really does work!) is:
10[a]
which means the same as the above.
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Proxies with Python 'Requests' module
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10 Answers
10
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How to initialize a two-dimensional array in Python?
... \
for i in range (0, 10): \
new = [] \ can be replaced } this too
for j in range (0, 10): } with a list /
new.append(foo) / comprehension /
twod_li...
efficient circular buffer?
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>>> import collections
>>> d = collections.deque(maxlen=10)
>>> d
deque([], maxlen=10)
>>> for i in xrange(20):
... d.append(i)
...
>>> d
deque([10, 11, 12, 13, 14, 15, 16, 17, 18, 19], maxlen=10)
There is a recipe in the docs for deque that is si...