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Cleaning `Inf` values from an R dataframe
...ce(x, is.infinite(x),NA))))
## user system elapsed
# 0.52 0.01 0.53
# is.na (@dwin)
system.time(is.na(dat) <- sapply(dat, is.infinite))
# user system elapsed
# 32.96 0.07 33.12
# modified is.na
system.time(is.na(dat) <- do.call(cbind,lapply(dat, is.infinite)))
# user syst...
Simple example of threading in C++
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user276648
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answered Jun 27 '12 at 15:31
MasterMasticMasterM...
Git alias with positional parameters
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371
The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-...
How different is Objective-C from C++? [closed]
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MacMac
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How to split a string, but also keep the delimiters?
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23 Answers
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Switching the order of block elements with CSS [duplicate]
...rdinal-group: 2;
}
#blockB {
-webkit-box-ordinal-group: 3;
-moz-box-ordinal-group: 3;
box-ordinal-group: 3;
}
<div id="blockContainer">
<div id="blockA">Block A</div>
<div id="blockB">Block B</div>
...
How to get the number of characters in a std::string?
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edited Aug 31 '16 at 21:31
Ian
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answere...
C++ preprocessor __VA_ARGS__ number of arguments
....) \
PP_ARG_N(__VA_ARGS__)
#define PP_ARG_N( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47...
_csv.Error: field larger than field limit (131072)
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330
The csv file might contain very huge fields, therefore increase the field_size_limit:
import ...
How come an array's address is equal to its value in C?
...cally converts pointers in hexadecimal, it might look something like:
0x12341000 0x12341010
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