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Quickly reading very large tables as dataframes
I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead o...
swift case falling through
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370
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "o...
vim deleting backward tricks
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answered Sep 3 '09 at 15:01
Lucas OmanLucas Oman
14.4k22 gold badges4242 silver badges4545 bronze badges
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Android Studio: Android Manifest doesn't exists or has incorrect root tag
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edited May 23 '17 at 12:32
Community♦
111 silver badge
answered Jul 18 '14 at 12:11
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What's the bad magic number error?
...en the import fails?
As an aside, the first word of all my 2.5.1(r251:54863) pyc files is 62131, 2.6.1(r261:67517) is 62161. The list of all magic numbers can be found in Python/import.c, reproduced here for completeness (current as at the time the answer was posted, it may have changed since then)...
Copy all files with a certain extension from all subdirectories
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edited Jun 4 '15 at 8:23
answered Mar 25 '13 at 14:10
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How do I raise a Response Forbidden in django
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Why does there exists an exception class Http404 but not Http403? Why the inconsistency?
– Flimm
Jan...
Finding row index containing maximum value using R
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3 Answers
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How to output a comma delimited list in jinja python template?
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3 Answers
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Git status - is there a way to show changes only in a specific directory?
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203
From within the directory:
git status .
You can use any path really, use this syntax:
git ...