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How to convert QString to std::string?
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As of Qt 5.0, QString::toStdString() now uses QString::toUtf8() to perform the conversion, so the Unicode properties of the string will not be lost (qt-project.org/doc/qt-5.0/qtcore/qstring.html#toStdString).
– Emile Cormier
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UICollectionView auto scroll to cell at IndexPath
...hat I'm trying to use. I have the number of the object in the array and I know the name of that object. But don't know how to put correct indexPath... Any ideas?
– AlexanderZ
Apr 13 '13 at 17:55
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How to set a Fragment tag by code?
...iner, new DemoFragment(), "SOMETAG").
commit();
// Now later we can lookup the fragment by tag
DemoFragment fragmentDemo = (DemoFragment)
getSupportFragmentManager().findFragmentByTag("SOMETAG");
}
}
}
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How to match “any character” in regular expression?
...) {
System.out.println(test + " " +test.matches(".+123"));
}
Now you can easily add new testcases and try new patterns. Have fun exploring regex.
See also
regular-expressions.info/Tutorial
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How to get current route in Symfony 2?
... forward directly to a controller, not a route. As such, Symfony doesn't know what route that is for. Typically, you have one route to one controller, so it may seem weird that this can't report anything besides "_internal", however, it is possible to create general-purpose controllers that get as...
How to import the class within the same directory or sub directory?
...in order to import classes from files within the same directory, you would now write in Python 3:
from .user import User
from .dir import Dir
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What are the effects of exceptions on performance in Java?
... class is loaded by the VM) and it makes throw not quite as slow. I don't know which JVM uses this new, better technique...
...but are you writing in Java so your code later on only runs on one JVM on one specific system? Since if it may ever run on any other platform or any other JVM version (pos...
Center content in responsive bootstrap navbar
..., this solution doesn't seem to work anymore. Your example is left aligned now.
– Bjarte Aune Olsen
Jun 23 '15 at 20:58
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Devise Secret Key was not set
...ration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error:
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Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
...idn't realize that Android studio started shipping an android sdk with it. Now I have 2 of them to manage :(.
– harmanjd
Sep 26 '13 at 18:55
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