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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...86家族CPU都有这个指令我也不是很清楚，但在EFLAGS中的bit 21可以识别CPU是否支持CPUID指令，如下图：
图1
在8086和8088CPU中，FLAGS只有16位长，在80386CPU中，bit 21被保留未用，在支持CPUID指令的CPU中，这一位将为1。
2、CP...
What is “entropy and information gain”?
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Ashley 1 3 6 f
Brian 0 2 5 m
Caroline 1 4 8 f
David 0 2 5 m
The goal is to build a decision tree. An example of a tree would be:
length<7
| num-vowels<3: mal...
Calculate distance between two points in google maps V3
... two markers in Google maps V3? (Similar to the distanceFrom function inV2.)
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Drawing Isometric game worlds
What is the correct way to draw isometric tiles in a 2D game?
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Bundler: Command not found
...h: bundle: command not found'. From gem list --local I see 'bundler (1.0.2, 1.0.0)' is installed.
15 Answers
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Updating Bootstrap to version 3 - what do I have to do?
I'm new to Bootstrap and have the older version 2.3.2.
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How to format numbers by prepending 0 to single-digit numbers?
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...sm, md, lg) for now, I'll start with just the numbers...
the numbers (1-12) represent a portion of the total width of any div
all divs are divided into 12 columns
so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 columns (the entire width), etc
So, if you want two equal...
How to change the order of DataFrame columns?
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