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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... out .println(" 耗费时间： " + (t2 - t1) + " ms ");
耗费时间： 4266 ms
大跌眼镜，居然计算耗费4秒。假设我们一天需要比较100w次，光是比较100w次的数据是否重复就需要4s，就算4s一个文档，单线程一分钟才处理15个文档，一个小时才900...
java SSL and cert keystore
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LINGS
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answered May 3 '11 at 14:46
DaveHDaveH
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How to make a promise from setTimeout
...eout(() => {
l2.cancel();
}, 150);
Original Answer from 2014
Usually you'll have a promise library (one you write yourself, or one of the several out there). That library will usually have an object that you can create and later "resolve," and that object will have a "promise" you c...
Window Height=“Auto” not working as expected
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4 Answers
4
Active
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Detect URLs in text with JavaScript
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edited Jun 1 at 5:43
mplungjan
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answ...
Fill between two vertical lines in matplotlib
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For example, let's use axvspan to highlight the x-region between 8 and 14:
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
ax.plot(range(20))
ax.axvspan(8, 14, alpha=0.5, color='red')
plt.show()
You could use fill_betweenx to do this, but the extents (both x and y) of the rectangl...
What are the differences between a UIView and a CALayer?
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224
On iOS, every UIView is backed by a Core Animation CALayer, so you are dealing with CALayers whe...
What's the best way to get the current URL in Spring MVC?
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edited Sep 3 '14 at 10:29
Rasmus Faber
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How to implement a confirmation (yes/no) DialogPreference?
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answered Feb 26 '11 at 14:39
MaaalteMaaalte
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Does Dispose still get called when exception is thrown inside of a using statement?
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answered Feb 5 '09 at 22:54
Jeff YatesJeff Yates
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