first show the sql, select (array['Sun' ,'Mon', 'Tue', 'Wed', 'Thur', 'Fri', 'Sat']) [extract(dow from now())+1]; dow means The day of ...
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Just like RStudio IDE is for R,  Rodeo is for Python, An IDE for data science, they are use the same tech ...
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In last article, I used wkhtmltoimage to create an about 73M png file, Â and in this article, I want to ...