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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
... also getting the same error.
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
and when i typed the localhost in the browser, then i was getting
It works!
This is the default web page for this server.
The web server software is running but no content has been added,...
What do the following phrases mean in C++: zero-, default- and value-initialization?
...on' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this previous answer about the behavior of operat...
Pandas - How to flatten a hierarchical index in columns
...min
0 702730 26451 1 1 12 0 13 1 30.92 24.98 1993
1 702730 26451 2 1 13 0 13 0 32.00 24.98 1993
2 702730 26451 3 1 2 10 13 1 23.00 6.98 1993
3 702730 26451 4 1 12 0 13 1 10.04 3.92 ...
How to determine the version of the C++ standard used by the compiler?
...s and what value you should be able to expect in __cplusplus:
C++ pre-C++98: __cplusplus is 1.
C++98: __cplusplus is 199711L.
C++98 + TR1: This reads as C++98 and there is no way to check that I know of.
C++11: __cplusplus is 201103L.
C++14: __cplusplus is 201402L.
C++17: __cplusplus is 201703L.
...
How do you echo a 4-digit Unicode character in Bash?
...
In UTF-8 it's actually 6 digits (or 3 bytes).
$ printf '\xE2\x98\xA0'
☠
To check how it's encoded by the console, use hexdump:
$ printf ☠ | hexdump
0000000 98e2 00a0
0000003
...
Changing iframe src with Javascript
...Selection" type="radio" onclick="go('http://calendar.zoho.com/embed/9a6054c98fd2ad4047021cff76fee38773c34a35234fa42d426b9510864356a68cabcad57cbbb1a0?title=Kevin_Calendar&type=1&l=en&tz=America/Los_Angeles&sh=[0,0]&v=1')"/><label for="day">Day</label>
I would also...
Get class list for element with jQuery
...
Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Aug 4 '09 at 12:44
redsquarere...
What does curly brackets in the `var { … } = …` statements do?
...es code much more succinct.
For example:
var ascii = {
a: 97,
b: 98,
c: 99
};
var {a, b, c} = ascii;
The above code is equivalent to:
var ascii = {
a: 97,
b: 98,
c: 99
};
var a = ascii.a;
var b = ascii.b;
var c = ascii.c;
Similarly for arrays:
var ascii = [97, 98, 9...
Get operating system info
.../windows me/i' => 'Windows ME',
'/win98/i' => 'Windows 98',
'/win95/i' => 'Windows 95',
'/win16/i' => 'Windows 3.11',
'/macintosh|mac...
How to implement classic sorting algorithms in modern C++?
...well as with std::next() are only available as of C++11 and beyond. For C++98, one needs to write these himself. There are substitutes from Boost.Range in boost::begin() / boost::end(), and from Boost.Utility in boost::next().
the std::is_sorted algorithm is only available for C++11 and beyond. For...