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How to use clock() in C++
...d::chrono::high_resolution_clock Clock;
int main()
{
auto t1 = Clock::now();
auto t2 = Clock::now();
std::cout << "Delta t2-t1: "
<< std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1).count()
<< " nanoseconds" << std:...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
... confused - due to rodfersou's edit after F Lekschas' comment, his code is now correct.
– eedrah
Sep 13 '18 at 17:15
1
...
Loop through an array of strings in Bash?
...re an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for multi-line a...
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...ity of the object user to correctly to explicitly close the DB connection. Now you could argue that this can be done in the finaliser, but resources may have limited availability or other constraints and thus you generally do want to control the release of the object and not rely on the non determin...
How do I know if a generator is empty from the start?
... @S.Lott you don't need to generate the entire sequence to know if the sequence is empty or not. One element's worth of storage is sufficient - see my answer.
– Mark Ransom
Jun 13 '14 at 6:34
...
What is the difference between exit and return? [duplicate]
... _Exit from #include <stdlib.h>) terminates the process immediately.
Now there are also issues that are specific to C++.
C++ performs much more work than C when it is exiting from functions (return-ing). Specifically it calls destructors of local objects going out of scope. In most cases progr...
Is there a way to detach matplotlib plots so that the computation can continue?
...
print 'yay'
print 'computation continues...'
print 'that rocks.'
print 'Now lets wait for the graph be closed to continue...:'
p.join()
That has the overhead of launching a new process, and is sometimes harder to debug on complex scenarios, so I'd prefer the other solution (using matplotlib's n...
.NET 4.0 has a new GAC, why?
%windir%\Microsoft.NET\assembly\ is the new GAC . Does it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
...
Why use String.Format? [duplicate]
...
I don't know about you, but I read the one without formatting better. Especially when I want to know what goes where, I have to go back and forth between the text and the params, and that's not even counting the possibility of miscoun...
What are the differences between json and simplejson Python modules?
...
Now if I could only get pyflakes to stop complaining about redefinition of unused 'json'
– James McMahon
Aug 25 '12 at 4:17
...