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Where can I learn how to write C code to speed up slow R functions? [closed]
...ds C++ and Rcpp to be much more like writing R than writing C++. YMMV and all that.
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SELECT * WHERE NOT EXISTS
...r original query will always return nothing unless there are no records at all in eotm_dyn, in which case it will return everything.
Assuming these tables should be joined on employeeID, use the following:
SELECT *
FROM employees e
WHERE NOT EXISTS
(
SELECT null
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What is the way to quick-switch between tabs in Xcode 4
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I think everybody should assume that people are generally used to browser ~ and use CTR + TAB / CTR + SHIFT + TAB to change tabs.
– Paul Brewczynski
Aug 19 '13 at 14:27
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Most common way of writing a HTML table with vertical headers?
Hi all it's been a while since I've asked something, this is something that has been bothering me for a while, the question itself is in the title:
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How to keep the local file or the remote file during merge using Git and the command line?
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This approach seems more straightforward, avoiding the need to individually select each file:
# keep remote files
git merge --strategy-option theirs
# keep local files
git merge --strategy-option ours
or
# keep remote files
git pull -Xtheirs
# keep local files
git pull -Xours
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What is NODE_ENV and how to use it in Express?
...ment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging or logging code if running in a development environment.
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What is the difference between C# and .NET?
.... The C# specification says only a very little about the environment (basically, that it should contain some types such as int, but that's more or less all).
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Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
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Using :after to clear floating elements
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The text 'dasda' will never not be within a tag, right? Semantically and to be valid HTML it as to be, just add the clear class to that:
http://jsfiddle.net/EyNnk/2/
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When to delete branches in Git?
... uses, if you keep it around. That said, I would delete the branch because all the commits are already there in the history of master, so it does make things much cleaner.
– MatrixFrog
Mar 17 '11 at 3:37
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