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提升大数据分析思想，拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术
...能在最后一步获得想要的结果。事实上，在开始使用分析算法来对数据进行解读之前，数据科学家都要花费大量的时间进行数据清理，以保证数据的质量。”
良好的数据科学离不开高质量的数据资料和管控数据质量的必要步骤...
Plot two histograms on single chart with matplotlib
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@GustavoBezerra, how to use plt.hist to produce one pdf file for each histogram? I loaded my data using pandas.read_csv and the file has 36 columns and 100 lines. So I'd like 100 pdf files.
– Sigur
Apr 15 '17 at 16:15
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Limit File Search Scope in Sublime Text 2
...*.jpeg", "*.png", "*.gif", "*.ttf", "*.tga", "*.dds", "*.ico", "*.eot", "*.pdf", "*.swf", "*.jar", "*.zip"],
"folder_exclude_patterns": [".svn", ".git", ".hg", "CVS"],
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Postgresql: password authentication failed for user “postgres”
... From the Comprehensive manual, postgresql.org/files/documentation/pdf/12/postgresql-12-A4.pdf, section 20.5: "If no password has been set up for a user, the stored password is null and password authentication will always fail for that user.". Thus, since the installation doesn't ask for a p...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...，BASE64编码/解码
【AES加解密】MareshaAES 拓展：AES加解密算法
【CRC校验】App Inventor 2 CRC16 拓展
【二进制】UrsAI2ByteArray 字节数组扩展：读写二进制数据
【数据库】LeanDB 数据库扩展
【数据库】MySQL + php后端数据库
【数据...
How to convert byte array to string and vice versa?
...o.
I was observing this problem when I was trying to create byte[] from a pdf file and then converting it to String and then taking the String as input and converting back to file.
So make sure your encoding and decoding logic is same as I did. I explicitly encoded the byte[] to Base64 and decode...
Getting A File's Mime Type In Java
...ble of mime-types is quite limited, not including, for example, MSWord and PDF. So, if you want to generalize, you'll need to go beyond the built-in libraries, using, e.g., Mime-Util (which is a great library, using both file extension and content).
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Remove secure warnings (_CRT_SECURE_NO_WARNINGS) from projects by default in Visual Studio
... answered Oct 25 '14 at 15:19
PDF417PDF417
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How can I mix LaTeX in with Markdown? [closed]
...o.md -o Hello.tex
Following is an image of the converted Hello.md to Hello.pdf file using MiKTeX as LaTeX processor with the command: pandoc -s -i Hello.md -o Hello.pdf
Finally, there are some open source LaTeX templates like this one: https://github.com/Wandmalfarbe/pandoc-latex-template, that can...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
I am using 3rd party file manager to pick a file (PDF in my case) from the file system.
17 Answers
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