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static function in C
... (basically same .c file) as f1 */
}
int f2(int foo) {
return 42 + foo;
}
main.c:
int f1(int); /* prototype */
int f2(int); /* prototype */
int main(void) {
f1(10); /* ok, f1 is visible to the linker */
f2(12); /* nope, f2 is not visible to the linker */
return 0;
}
...
Creating an R dataframe row-by-row
...de in R.
If you can, allocate your entire data.frame up front:
N <- 1e4 # total number of rows to preallocate--possibly an overestimate
DF <- data.frame(num=rep(NA, N), txt=rep("", N), # as many cols as you need
stringsAsFactors=FALSE) # you don't know levels yet...
C++ Convert string (or char*) to wstring (or wchar_t*)
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244
Assuming that the input string in your example (おはよう) is a UTF-8 encoded (which it isn'...
How can I check if a single character appears in a string?
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edited Mar 22 at 12:40
Ömer Erden
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Where is C not a subset of C++? [closed]
... Johannes Schaub - litbJohannes Schaub - litb
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汇编语言超浓缩教程(汇编入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术
...推出至今,其CPU发展过程为:8086→80286→80386→80486→PENTIUM →……,还有AMD、CYRIX等旁支。后面兼容前面CPU的功能,只不过多了些指令(如多能奔腾的MMX指令集)、增大了寄存器(如386的32位EAX)、增多了寄存器(如48...
AngularJS - $anchorScroll smooth/duration
...breton/angular-smoothscroll
https://gist.github.com/justinmc/d72f38339e0c654437a2
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copying all contents of folder to another folder using batch file?
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edited Apr 14 '15 at 17:55
gunr2171
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Best practices for circular shift (rotate) operations in C++
...assert that the type width is a power of 2), which isn't the case on some 24-bit DSPs or 36-bit mainframes, for example.
I'd recommend only using the template as a back-end for wrappers with names that include the rotate width explicitly. Integer-promotion rules mean that rotl_template(u16 & 0...
Drop all duplicate rows across multiple columns in Python Pandas
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246
This is much easier in pandas now with drop_duplicates and the keep parameter.
import pandas a...
