大约有 47,000 项符合查询结果(耗时:0.0581秒) [XML]
Is it okay to use now?
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130
Yes, any unsupported type will revert to the 'type=text' format.
I found a good page which list...
Is there an R function for finding the index of an element in a vector?
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The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
Fo...
How does one output bold text in Bash?
...ght sequences to send to the terminal:
bold=$(tput bold)
normal=$(tput sgr0)
then you can use the variables $bold and $normal to format things:
echo "this is ${bold}bold${normal} but this isn't"
gives
this is bold but this isn't
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Android accelerometer accuracy (Inertial navigation)
...useless in practice.
Here is an explanation why (Google Tech Talk) at 23:20. I highly recommend this video.
It is not the accelerometer noise that causes the problem but the gyro white noise, see subsection 6.2.3 Propagation of Errors. (By the way, you will need the gyroscopes too.)
As for indoor...
How to kill zombie process
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edited Mar 11 at 13:00
answered Jun 5 '13 at 16:17
Wi...
What are Makefile.am and Makefile.in?
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answered Mar 28 '10 at 3:53
Sean A.O. HarneySean A.O. Harney
21.6k44 gold badges2727 silver badges3030 bronze badges
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Why define an anonymous function and pass it jQuery as the argument?
...esignpatterns/book/#modulepatternjavascript
http://www.adequatelygood.com/2010/3/JavaScript-Module-Pattern-In-Depth
The purpose of this code is to provide "modularity", privacy and encapsulation for your code.
The implementation of this is a function that is immediately invoked by the calling (j...
NERDTree reload new files
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answered Jan 9 '12 at 20:06
romainlromainl
147k1515 gold badges226226 silver badges249249 bronze badges
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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answered Dec 16 '08 at 23:21
Gordon WilsonGordon Wilson
25.3k1111 gold badges5454 silver badges5959 bronze badges
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mysql create user if not exists
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280
In 5.7.6 and above, you should be able to use CREATE USER
CREATE USER IF NOT EXISTS 'user'@'loc...
