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How to remove all rows in a numpy.ndarray that contain non-numeric values
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>>> a = np.array([[1,2,3], [4,5,np.nan], [7,8,9]])
array([[ 1., 2., 3.],
[ 4., 5., nan],
[ 7., 8., 9.]])
>>> a[~np.isnan(a).any(axis=1)]
array([[ 1., 2., 3.],
[ 7., 8., 9.]])
and reassign this to a.
Explanation: np.is...
Comma separator for numbers in R?
...tor of characters. I'd only use that for printing.
> prettyNum(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
> format(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
EDIT: As Michael Chirico says in the comment:
Be aware that these have the side effect of padding the ...
Is a RelativeLayout more expensive than a LinearLayout?
...YtB6mlu7vA&t=1m41s
https://www.youtube.com/watch?v=NYtB6mlu7vA&t=38m04s
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Generate a Hash from string in Javascript
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816
Object.defineProperty(String.prototype, 'hashCode', {
value: function() {
var hash = 0, ...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
深入理解 x86/x64 的中断体系实模式下的中断机制中断向量表（IVT）改变中断向量表地址设置自己的中断服务例程保护模式下的中断机制查找 interrupt handler 入口IDT ...
实模式下的中断机制
中断向量表（IVT）
改变中断向量表地...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
In the x86-64 Tour of Intel Manuals , I read
3 Answers
3
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How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
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answered Apr 8 '10 at 19:08
GarethGareth
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Searching word in vim?
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Nathan FellmanNathan Fellman
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Proper way to catch exception from JSON.parse
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edited Dec 8 '16 at 20:32
Samuel Bolduc
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...exec/java_home -v 1.7)"
or
export JAVA_HOME="$(/usr/libexec/java_home -v 1.8)"
Update: added -v flag based on Jilles van Gurp response.
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