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	<title>信易科技用户论坛| sungod | 动态</title>
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				<title>sungod 提了一个新问题 问题</title>
				<link>https://www.shinnytech.com/?p=21444</link>
				<pubDate>Thu, 21 Apr 2022 02:11:11 +0800</pubDate>

									<content:encoded><![CDATA[<p>计算得出了一组2D的array命名为A，想将其转为pd.DataFrame后，再合并到一个DataFrame命名为B中，</p>
<p>同样的代码在while循环之前执行就没错，放到while里面就报下面的错。<br />
AttributeError: &#8216;numpy.bool_&#8217; object has no attribute &#8216;DataFrame&#8217;<br />
只能通过下面这种一列一列的赋值，服了<br />
B[&#8216;new_col&#8217;] = A[:,0]</p>
<p>B[&#8216;new [&hellip;]</p>
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				<title>sungod 提了一个新问题 问题</title>
				<link>https://www.shinnytech.com/?p=21326</link>
				<pubDate>Fri, 01 Apr 2022 02:18:39 +0800</pubDate>

									<content:encoded><![CDATA[<p>怎么获取所有的合约代码，文档只给了所有的交易所代码，</p>
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