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May be related to #4892 .
Here is a directory with reproducible code and data.
[datatable_bug_ex_issue-4899.zip](https://github.com/Rdatatable/data.table/files/5974008/datatable_bug_ex_issue-4899.…
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### Issue Description and Expected Result
dbWriteTable() throws "Restricted data type attribute violation" when writing a data.frame with a Date column whose internal representation is "integer" inst…
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On Windows, when DT contains non-native representable strings, the strings will be displayed as malformed letters, even if the strings are valid UTF-8 strings and can be displayed correctly in a chara…
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The terminal newline detection mechanism uses `grepl` with a hard-coded english warning message.
On systems with a different R language, this warning will not be caught.
Similarly to `expect_lint`…
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https://github.com/Rdatatable/data.table/pull/4374
https://github.com/Rdatatable/data.table/issues/4348
http://r-sig-mac.29524.n8.nabble.com/R-SIG-Mac-Apple-Clang-does-support-OpenMP-if-libomp-is-av…
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I have tried to follow instructions on https://github.com/Rdatatable/data.table/wiki/Installation#openmp-enabled-compiler-for-mac but still, I couldn't get it to work with CRAN. The error I am getting…
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I get a warning of `fifelse` wen it should not:
I found warning difference using `fifelse` from `data.table` library:
```r
set.seed(123)
df 1: In max(x, na.rm = T) : no non-missing arg…
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Say we have a data.table DT
Could we change `DT[,.(myLongVarName=f(myLongVarName))]` by `DT[,.(f(myLongVarName))]` ?
Right now a `V1` column name is created but it is quite a wate of space. This woul…
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x
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From cran:
```
Found the following (possibly) invalid URLs:
URL: http://blog.rstudio.org/2016/03/24/tibble-1-0-0/ (moved to
https://blog.rstudio.com/2016/03/24/tibble-1-0-0/)
From: NE…