This you can do by using the -std=c++11 flag. Here's an example:
g++ -std=c++11 -Wall -Wextra -Werror main.cpp -o main
This mode can be selected with the -std=c++11 command-line flag, or -std=gnu++11 to enable GNU extensions as well.(source)
See the explanation of the other flags below. I dee...
I speak this from experience, but waiting for a suggested edit to be approved (before 2000 rep.) can be tiring and annoying. So what I want to know is if you guys think the following is a good idea. For those of us (me) who are avid editors, after ~100-150 approved edits, we get a privilege on th...
I plan to host several instances of the same web app for customers using systemd. I would like to be able to stop and start each customer instance using systemd, as well as treating the whole collection of customer instances as a single service that can be stopped and started together.
systemd ...
As I read,
test -n $string ==> Exit status is 0 if $string is not null, 1 otherwise
and
test -z $string ==> Exit status is 0 if $string is null, 1 otherwise
But in this particular example, (I tried to create a null string) it seems I am missing some thing.
#!/bin/sh
str=""
test -n $str
echo...
Before I explain the issue, please bear in mind that I am a complete newbie to using Ubuntu on a desktop. I have some Ubuntu Server experience and know the basics of terminal/CLI.
Seems like this is a common issue, however when trying to log into Ubuntu after restarting/shutting down (I have Win...
I recently set up an Ubuntu 16.04 system with a bonded ethernet configuration. Previously, it appears that to get this to work the bonding module needed to be included in /etc/modules or /etc/modules.d. This is documented here:
https://help.ubuntu.com/community/UbuntuBonding
However, on the U...
The command below can be used to genereate a gif animation from a bunch of files stored locally:
convert -delay 10 -loop 0 *.png animation.gif
Is there a way to tell convert to wget the images from a given list of URLs (possibly in a lazy manner)?
If not, is there any alternative at all?
I have an ubuntu Server in Digitalocean. Normally, I can connect this machine with SSH but while I'm connected to my school network, when I wrote ssh root@IP , it freezes and never even ask my password. I tried it from another computers which connected to some another network, it works.
Moreover,...
For the 1st pane on tmux, I had to do this but can open a window. For 2nd and all the rest of panes, I can't open windows. For example:
$ echo $DISPLAY
localhost:10.0
$ meld . &
[1] 466
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:57: GtkWarning: could not open display
wa...
