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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...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...s, the native Apple factory-installed Python distribution which ships with OS X, rather than to some other Python distribution which you have subsequently installed yourself), then you will need to do, as described by @Thijs Kuipers in comments below:
sudo -E pip install psycopg2
or the equivalen...
How to import other Python files?
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There are many ways to import a python file, all with their pros and cons.
Don't just hastily pick the first import strategy that works for you or else you'll have to rewrite the codebase later on when you find it doesn't meet your needs.
I'll start out explaining the easiest exampl...
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 ...
How to move the cursor word by word in the OS X Terminal
...r to re-execute the command again. I find it pretty lame to do this in Mac OSX Terminal, compare to the GNOME Terminal.
– Phương Nguyễn
Jun 1 '10 at 2:35
248
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Can't start Eclipse - Java was started but returned exit code=13
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There are working combinations of OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit...
How to set JAVA_HOME environment variable on Mac OS X 10.9?
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When you say "shell," do you mean I close the terminal window and reopen it? Also, does this permanently add the environment variable for my jdk?
– islander_zero
Apr 3 '14 at 15:57
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How to remove files and directories quickly via terminal (bash shell) [closed]
...rm -rf.
Also note that what you're learning applies to bash on every Unix OS: OS X, Linux, FreeBSD, etc. In fact, rm's syntax is the same in pretty much every shell on every Unix OS. OS X, under the hood, is really a BSD Unix system.
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libpng warning: iCCP: known incorrect sRGB profile
... *.png
where the -n means don't rewrite the files and -q means suppress most of the output except for warnings. Sorry, there's no option yet in pngcrush to suppress everything but the warnings.
Binary Releases of ImageMagick are here
For Android Projects (Android Studio) navigate into res fo...
What does Python's eval() do?
...ing and then have python run it as code. So for example: eval("__import__('os').remove('file')").
– BYS2
Feb 21 '12 at 19:24
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