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Why am I getting “undefined reference to sqrt” error even though I include math.h header? [duplicate
...hen building the executable. How to do this varies by environment, but in Linux/Unix, just add -lm to the command:
gcc test.c -o test -lm
The math library is named libm.so, and the -l command option assumes a lib prefix and .a or .so suffix.
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Can I map a hostname *and* a port with /etc/hosts? [closed]
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Not the answer you're looking for? Browse other questions tagged linux dns port hostname or ask your own question.
nginx error “conflicting server name” ignored [closed]
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I assume that you're running a Linux, and you're using gEdit to edit your files. In the /etc/nginx/sites-enabled, it may have left a temp file e.g. default~ (watch the ~).
Depending on your editor, the file could be named .save or something like it. Just...
Lost httpd.conf file located apache [closed]
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Not the answer you're looking for? Browse other questions tagged linux apache ubuntu amazon-ec2 httpd.conf or ask your own question.
Chrome >=24 - how to dock devtools to the right?
...t:
Starting in Chrome 41, you are able to use Ctrl + Shift + D (Windows/Linux) or Command (⌘) + Shift + D (Mac OS X) to be able to toggle between these views.
Starting in Chrome 46, they've finally changed the user interface for the docking location. There's a vertical ellipsis now and in ther...
wget command to download a file and save as a different filename
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Using CentOS Linux I found that the easiest syntax would be:
wget "link" -O file.ext
where "link" is the web address you want to save and "file.ext" is the filename and extension of your choice.
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gradlew: Permission Denied
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Just type this command in Android Studio Terminal (Or your Linux/Mac Terminal)
chmod +x gradlew
and try to :
./gradlew assembleDebug
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Set port for php artisan.php serve
...at port.
Drop a little common sense on there and you end up with this for Linux:
sudo php artisan serve --port=80
This will allow you to test on localhost without specifying the port in your browser. You can also use this to set up a temporary demo, as I have done.
Keep in mind, however, that P...
Android Studio Collapse definitions and methods
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This works with Linux as well. And use Cmd rather than Ctrl for Mac
– Jim Pekarek
Jun 10 '15 at 16:37
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what is Segmentation fault (core dumped)? [duplicate]
I am trying to write a C program in linux that having sqrt of the argument, Here's the code:
1 Answer
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