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What is the difference between ndarray and array in numpy?
.... x = np.array([1,2.1,3]) if isinstance(x,np.array): # will give you a TypeError
– Steve L
Jul 11 '17 at 14:53
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What is this weird colon-member (“ : ”) syntax in the constructor?
Recently I've seen an example like the following:
12 Answers
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Plot a legend outside of the plotting area in base graphics?
As the title says: How can I plot a legend outside the plotting area when using base graphics?
10 Answers
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What are “connecting characters” in Java identifiers?
...t words.
http://www.fileformat.info/info/unicode/category/Pc/list.htm
U+005F _ LOW LINE
U+203F ‿ UNDERTIE
U+2040 ⁀ CHARACTER TIE
U+2054 ⁔ INVERTED UNDERTIE
U+FE33 ︳ PRESENTATION FORM FOR VERTICAL LOW LINE
U+FE34 ︴ PRESENTATION FORM FOR VERTICAL WAVY LOW LINE
U+FE4D ﹍ DASHED LOW LINE
U+...
Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Apache两种工作模式区别及配置切换1、Redhat Linux下查看apache版本号在Apache安装目录bin下，使用以下命令查看即可。使用命令：. httpd -v示例：2、查看Apache当前工作模...1、Redhat Linux下查看apache版本号
在Apache安装目录bin下，使用以下...
Run PostgreSQL queries from the command line
..., if you re-enter the same query you will have most likely create a syntax error.
As an experiment, try typing any garble you want at the psql prompt then hit enter. psql will silently provide you with a new line. If you enter a semicolon on that new line and then hit enter, then you will receive t...
Can I use Class.newInstance() with constructor arguments?
I would like to use Class.newInstance() but the class I am instantiating does not have a nullary constructor. Therefore I need to be able to pass in constructor arguments. Is there a way to do this?
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How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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How to avoid “too many parameters” problem in API design?
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Is there a zip-like function that pads to longest length in Python?
Is there a built-in function that works like zip() but that will pad the results so that the length of the resultant list is the length of the longest input rather than the shortest input?
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