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How line ending conversions work with git core.autocrlf between different operating systems
...f settings, and "clean" filters) are run when files move from work-tree to index, i.e., during git add rather than at git commit time.
(Note that git commit -a or --only or --include do add files to the index at that time, though.)
For more on that, see "What is difference between autocrlf and ...
Insert picture/table in R Markdown [closed]
...n to help achieve this: https://cran.r-project.org/web/packages/kableExtra/index.html
Style Tips
The R Markdown cheat sheet is still the best place to learn about most the basic syntax you can use.
If you are looking for potential extensions to the formatting, the bookdown package is also worth e...
Creating an R dataframe row-by-row
... all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list.
...
Error handling in C code
...ifficult." Which part is made difficult by multi-threading? Can you give a quick example?
– SayeedHussain
Jun 18 '13 at 9:57
1
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Print all but the first three columns
...nd here another way: echo ' This is a test' | awk '{print substr($0, index($0,$3))}'
– elysch
Dec 18 '14 at 18:45
1
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What's the difference between Git Revert, Checkout and Reset?
...couple of different things depending on how it is invoked. It modifies the index (the so-called "staging area"). Or it changes which commit a branch head is currently pointing at. This command may alter existing history (by changing the commit that a branch references).
Using these commands
If a c...
What’s the best RESTful method to return total number of items in an object?
...far, it’s working great. I can issue GET , POST , PUT and DELETE requests to object URLs and affect my data. However, this data is paged (limited to 30 results at a time).
...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...them. I also didn't know about gnu.org/software/coreutils/manual/html_node/index.html.
– Trenton
Aug 10 '09 at 21:57
6
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Argmax of numpy array returning non-flat indices
...
You could use numpy.unravel_index() on the result of numpy.argmax():
>>> a = numpy.random.random((10, 10))
>>> numpy.unravel_index(a.argmax(), a.shape)
(6, 7)
>>> a[6, 7] == a.max()
True
...
Update one MySQL table with values from another
...er to read
As for running slow, how large are the tables? You should have indexes on tobeupdated.value and original.value
EDIT:
we can also simplify the query
UPDATE tobeupdated
INNER JOIN original USING (value)
SET tobeupdated.id = original.id
USING is shorthand when both tables of a join hav...