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How to implement static class member functions in *.cpp file?
...include "helper.hxx"
A::foo() {
helper::fn1();
helper::fn2();
}
To know more about how c++ handles static functions visit: Are static member functions in c++ copied in multiple translation units?
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javac : command not found
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I don't know exactly what yum install java will actually install. But to check for javac existence do:
> updatedb
> locate javac
preferably as root. If it's not there you've probably only installed the Java runtime (JRE) and ...
Preventing console window from closing on Visual Studio C/C++ Console application
...SOLE) in SubSystem option or you can just type Console in the text field!
Now try it...it should work
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VBoxManage: error: Failed to create the host-only adapter
...upport/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh" restart
You should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Pri...
Auto expand a textarea using jQuery
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@AllyMurray - I went now and updated it to 16 since it seem to give better result. and yes, that is the expected line height
– vsync
Nov 6 '17 at 17:14
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How can I get a channel ID from YouTube?
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You may have to search "externalId" now as I couldn't find anything for "channel-external-id"
– Daniel
Sep 22 '17 at 6:16
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Rails: Is there a rails trick to adding commas to large numbers?
...mous depths of call stacks. It uses i18n to be able to format any numbers known to humanity and extraterrestrial civilizations (or maybe just to choose either , or . for decimal digits, even if you specify it as argument). It allocates thousands of objects (so its performance patterns are complex an...
Qt: can't find -lGL error
... This worked for me on Ubuntu 16.10, but I'm confused if it is now using the NVidia GPU for OpenGL rendering, or a s/w renderer?
– DavidJ
Jan 12 '17 at 16:44
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With Spring can I make an optional path variable?
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It's not well known that you can also inject a Map of the path variables using the @PathVariable annotation. I'm not sure if this feature is available in Spring 3.0 or if it was added later, but here is another way to solve the example:
@R...
How to round up a number to nearest 10?
...n ($r <= 5) : $roundee - $r : $roundee + (10 - $r);
}
Edit: I didn't know (and it's not well documented on the site) that round now supports "negative" precision, so you can more easily use
$round = round($roundee, -1);
Edit again: If you always want to round up, you can try
function roundU...