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What are the “standard unambiguous date” formats for string-to-date conversion in R?
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This is documented behavior. From ?as.Date:
format: A character string. If not specified, it will try
'"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element,
and give an error if neither works.
as.Date("01 Jan 20...
How can I generate Javadoc comments in Eclipse? [duplicate]
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For me the /**<NEWLINE> or Shift-Alt-J (or ⌘-⌥-J on a Mac) approach works best.
I dislike seeing Javadoc comments in source code that have been auto-generated and have not been updated with real content. As far as ...
Submitting a multidimensional array via POST with php
I have a php form that has a known number of columns (ex. top diameter, bottom diameter, fabric, colour, quantity), but has an unknown number of rows, as users can add rows as they need.
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Windows batch file file download from a URL
....example.com/package.zip ) using a Windows batch file. I am getting an error code when I write the function below:
19 Answ...
Detecting request type in PHP (GET, POST, PUT or DELETE)
How can I detect which request type was used (GET, POST, PUT or DELETE) in PHP?
13 Answers
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?
Below example table structure gives an ERROR: there is no unique constraint matching given keys for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation.
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Difference between Static and final?
I'm always confused between static and final keywords in java .
11 Answers
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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
When should certain image file types be used when building websites or interfaces, etc?
13 Answers
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
I am getting the following error:
8 Answers
8
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Remove file from the repository but keep it locally
I have a folder which I'd like to remove in my remote repository. I'd like to delete it, but keep the folder in my computer
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