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How can I get form data with JavaScript/jQuery?
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Make sure that every input tag includes name attribute, otherwise it won't return anything.
– Eugene Kulabuhov
Jan 23 '15 at 14:32
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Best way to extract a subvector from a vector?
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These days, we use spans! So you would write:
#include <gsl/span>
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auto start_pos = 100000;
auto length = 1000;
auto span_of_myvec = gsl::make_span(myvec);
auto my_subspan = span_of_myvec.subspan(start_pos, length);
to get a span of 1000 elements of the same ty...
How can I catch a ctrl-c event?
...I would recommend using sigaction. Tom's code would now look like this :
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)...
Thread context switch Vs. process context switch
...rocess context switching involves switching the memory address space. This includes memory addresses, mappings, page tables, and kernel resources—a relatively expensive operation. On some architectures, it even means flushing various processor caches that aren't sharable across address spaces. For...
What is the purpose of the “role” attribute in HTML?
...tribute?
That's an allowed use of the attribute unless a real role is not included. Browsers will apply the first recognized role in the token list.
<span role="foo link note bar">...</a>
Out of the list, only link and note are valid roles, and so the link role will be applied in the p...
How to trim a string to N chars in Javascript?
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Hello! It's good to also include some explanation on what's going on with your code. Given how similar your solution is to the accepted answer, perhaps a little detail on what the padEnd is doing.
– Mattie
Jan ...
What is the “-->” operator in C++?
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It's
#include <stdio.h>
int main(void){
int x = 10;
while( x-- > 0 ){ // x goes to 0
printf("%d ", x);
}
return 0;
}
Just the space make the things look funny, -- decrements and > compare...
Access to private inherited fields via reflection in Java
...re technically correct, but this class has been around for about 15 years (including 4 major release versions) and has widely been used by many Spring customers. I doubt they'll pull it back now.
– Sean Patrick Floyd
Jul 9 '18 at 16:31
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C++11 rvalues and move semantics confusion (return statement)
...s code, and you should treat them the same mentally 99% of the time. This includes all the old rules about returning references (i.e. never return a reference to a local variable).
Unless you are writing a template container class that needs to take advantage of std::forward and be able to write a...