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Initialising an array of fixed size in python [duplicate]
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247
You can use:
>>> lst = [None] * 5
>>> lst
[None, None, None, None, None]
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How to include jar files with java file and compile in command prompt
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就是每条数据和simhash库里的数据比较需要做到3.6毫秒。
2、两条同一时刻发出的文本如果重复也只能保留一条。
3、希望保留2天的数据进行比较去重，按照目前的量级和未来的增长，2天大概在2000w — 5000w 中间。
4、短文本和...
Which selector do I need to select an option by its text?
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This could help:
$('#test').find('option[text="B"]').val();
Demo fiddle
This would give you...
In Python, when should I use a function instead of a method?
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edited Jul 17 '17 at 2:32
charlie80
47133 silver badges1515 bronze badges
answered Nov 13 '11 at 1:...
Execute JavaScript code stored as a string
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20 Answers
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How to determine the encoding of text?
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Correctly detecting the encoding all times is impossible.
(From chardet FAQ:)
However, so...
Generate random 5 characters string
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$rand = substr(md5(microtime()),rand(0,26),5);
Would be my best guess--Unless you're looking f...
MySQL Database won't start in XAMPP Manager-osx
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Animated GIF in IE stopping
...progressBar");
pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>';
pb.style.display = '';
}
and in your html:
<input type="submit" value="Submit" onclick="showProgress()" />
<div id="progressBar" style="display: none;">
<img src="./progress-...