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Benefits of inline functions in C++?
...to the above. Compiled with gcc 4.01. Version 1 forced to use inlining: 48.318u 1.042s 5:51.39 99.4% 0+0k 0+0io 0pf+0w Version 2 forced no inlining 348.311u 1.019s 5:52.31 99.1% 0+0k 0+0io 0pf+0w This is a good example were common knowledge is wrong.
– Martin York
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...T(Just In Time Compiler)时，直接访问变量的速度是调用getter的3倍。有JIT时,直接访问变量的速度是通过getter访问的7倍。 请注意，如果你使用ProGuard, 你可以获得同样的效果，因为ProGuard可以为你inline accessors.
使用增强的For循环写法
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Are there any CSV readers/writer libraries in C#? [closed]
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edited Oct 31 '14 at 15:03
George Stocker
53.8k2929 gold badges165165 silver badges230230 bronze badges
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What do all of Scala's symbolic operators mean?
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530
I divide the operators, for the purpose of teaching, into four categories:
Keywords/reserved ...
How to delete last character in a string in C#?
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answered Sep 19 '10 at 13:58
Rob Fonseca-EnsorRob Fonseca-Ensor
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Disable a group of tests in rspec?
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To disable a tree of specs using RSpec 3 you can:
before { skip }
# or
xdescribe
# or
xcontext
You can add a message with skip that will show up in the output:
before { skip("Awaiting a fix in the gem") }
with RSpec 2:
before { pending }
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How to discard local changes in an SVN checkout?
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Joshua Pinter
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answered Feb 27 '12 at 10:50
Cédric Juli...
In which order should floats be added to get the most precise result?
...es things somewhat. Consider the case where we're adding single-precision (32 bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has ...
Abstract class in Java
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343
An abstract class is a class which cannot be instantiated. An abstract class is used by creat...
How to generate a Dockerfile from an image?
...ar/run/docker.sock:/var/run/docker.sock --rm alpine/dfimage"
dfimage -sV=1.36 nginx:latest
It will pull the target docker image automaticlaly and export Dockerfile. Parameter -sV=1.36 is not always required.
Reference: https://hub.docker.com/repository/docker/alpine/dfimage
below is the old answer,...