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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
Performance associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet.
...
Does C have a “foreach” loop construct?
... \
for(T * item = list->head; item != NULL; item = item->next)
And can be used like
for_each_item(i, processes) {
i->wakeup();
}
Iteration over an array is also possible:
#define foreach(item, array) \
for(int keep = 1, \
count = 0,\
size = sizeof (...
Append integer to beginning of list in Python [duplicate]
I have an integer and a list. I would like to make a new list of them beginning with the variable and ending with the list.
Writing a + list I get errors. The compiler handles a as integer, thus I cannot use append, or extend either.
How would you do this?
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Prevent Caching in ASP.NET MVC for specific actions using an attribute
...r class or action didn't have NoCache when it was rendered in your browser and you want to check it's working, remember that after compiling the changes you need to do a "hard refresh" (Ctrl+F5) in your browser. Until you do so, your browser will keep the old cached version, and won't refresh it wit...
Exit codes in Python
...ode.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
Code Golf: Collatz Conjecture
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x86 assembly, 1337 characters
;
; To assemble and link this program, just run:
;
; >> $ nasm -f elf collatz.asm && gcc -o collatz collatz.o
;
; You can then enjoy its output by passing a number to it on the command line:
;
; >> $ ./collatz 123
; >&...
Show data on mouseover of circle
...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you...
How to check if a process id (PID) exists
...will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill $pid > /dev/null 2>&1; then
echo "Could not send SIGTERM to process $pid" >&2
fi
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How do I get the real .height() of a overflow: hidden or overflow: scroll div?
...ave a question regarding how to get a div height. I'm aware of .height() and innerHeight() , but none of them does the job for me in this case. The thing is that in this case I have a div that is overflown width a overflow: scroll and the div has a fixed height.
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