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Why do we need argc while there is always a null at the end of argv?
...mber of arguments has been passed.
Edit: The question has been amended to include C++. n3337 draft 3.6.1 Main function says
2 ...argc shall be the number of arguments passed to the program from
the environment in which the program is run. .... The value of argc
shall be non-negative. The v...
Reading settings from app.config or web.config in .NET
... the Menu.
And from the .NET tab, select System.Configuration. This would include the System.Configuration DLL file into your project.
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Moving average or running mean
...np.sum(x[ctr:(ctr+N)])
return y/N
But it's slow.
Fortunately, numpy includes a convolve function which we can use to speed things up. The running mean is equivalent to convolving x with a vector that is N long, with all members equal to 1/N. The numpy implementation of convolve includes the s...
Rails 4: how to use $(document).ready() with turbo-links
... FYI You can also apply this for multiple events page:load and ready by including a space-separated string for the first argumet. $(document).on('page:load ready', ready); The second argument is simply a function, which happens to be named ready, following this answer's example.
...
What does static_assert do, and what would you use it for?
...
Off the top of my head...
#include "SomeLibrary.h"
static_assert(SomeLibrary::Version > 2,
"Old versions of SomeLibrary are missing the foo functionality. Cannot proceed!");
class UsingSomeLibrary {
// ...
};
Assuming that SomeLibr...
What is the optimal length for an email address in a database?
... outliers): 5.20 Std. Dev (w/o
outliers): 4.70
Ranges based on data including
outliers
68.2% of data 17.8 - 28.2
95.4% of data 12.6 - 33.4
99.7% of data 7.4 - 38.6
Ranges based on data outliers excluded
68.2% of data 18.1 - 27.5
95.4% of data 13.4 - 32.2
99.7% of data 8.7 -...
How to print like printf in Python3?
...y the laws of the universe we inhabit.
The whole thing you want to print, including the % and its operand, needs to be inside your print(...) call, so that the string can be built before it is printed.
print( "a=%d,b=%d" % (f(x,n), g(x,n)) )
I have added a few extra spaces to make it clearer (th...
Why is access to the path denied?
...cting a destination which I gave as the directory, not realizing it had to include the filename (since the object itself has an associated filename).
– Austin Salgat
Oct 5 '17 at 18:29
...
What unique features does Firebug have that are not built-in to Firefox?
...ingle-click to edit
highlighting elements on hover
command line APIs, like include and getEventListeners
ability to show UA styles
"Add rule" from within the Style panel
a CSS panel that is usable for minified CSS
when an element contains only text, the HTML panel displays the text inline
XHR loggin...
What is the closest thing Windows has to fork()?
...ompile the example on my own system. I assume I am missing some headers or including the wrong ones am I? (the example doesn't show them.)
– Paul Stelian
Mar 30 '19 at 21:23
a...