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How to repeat a string a variable number of times in C++?
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std::string(5, '.')
This is a contrived example of how you might use an ostringstream to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on...
How can I start PostgreSQL server on Mac OS X?
...nchctl plists to start automatically. For more information, run brew info postgres.
Start manually
pg_ctl -D /usr/local/var/postgres start
Stop manually
pg_ctl -D /usr/local/var/postgres stop
Start automatically
"To have launchd start postgresql now and restart at login:"
brew services start postgre...
How to save a Python interactive session?
...as
%save current_session ~0/
%save previous_session ~1/
Look at the videos on the presentation page to get a quick overview of the features.
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Why I cannot cout a string?
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You need to include
#include <string>
#include <iostream>
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Make xargs handle filenames that contain spaces
...layer
This method is simpler and works with the GNU xargs as well.
For MacOS:
ls *.mp3 | tr \\n \\0 | xargs -0 mplayer
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Java String new line
... The third option is best for portability.
– Amos Bordowitz
Dec 2 '18 at 13:17
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Open a link in browser with java button? [duplicate]
.... I "worked around" it by calling new ProcessBuilder("x-www-browser", uri.toString());. You would think that if there were security restrictions, the ProcessBuilder call would not work. But it does work. I have no idea why desktop.browse(uri) doesn't work, but I have seen that it doesn't work for a ...
Install autoreconf on OS X v10.7 (Lion)?
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brew isn't included with OSX, but you can get it here: mxcl.github.com/homebrew
– RobM
Apr 25 '12 at 11:45
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psql: could not connect to server: No such file or directory (Mac OS X)
Upon restarting my Mac I got the dreaded Postgres error:
21 Answers
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What's a good IDE for Python on Mac OS X? [closed]
...he coding practices are heavily centered around TDD and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
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