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How to convert QString to std::string?
... qs;
// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toUtf8().constData();
// or this if you're on Windows :-)
std::string current_locale_text = qs.toLocal8Bit().constData();
The suggested (accepted) method may work if you specify codec.
See: http://doc.qt.io/qt-5/qstring.ht...
Change from SQLite to PostgreSQL in a fresh Rails project
...
You can change your database.yml to this instead of using the out of the box sqlite one:
development:
adapter: postgresql
encoding: utf8
database: project_development
pool: 5
username:
password:
test: &TEST
adapter: postgresql
encoding: utf8
database: project_te...
What is the difference between `git merge` and `git merge --no-ff`?
...int at the incoming commit. This commonly occurs when doing a git pull without any local changes.
However, occasionally you want to prevent this behavior from happening, typically because you want to maintain a specific branch topology (e.g. you're merging in a topic branch and you want to ensure i...
Why is reading lines from stdin much slower in C++ than Python?
...is almost certainly I/O bound and there is way too much FUD going around about the cost of creating std::string objects in C++ or using <iostream> in and of itself.
– Karl Knechtel
Feb 21 '12 at 3:34
...
How can I split a string into segments of n characters?
...) + val).slice(-len); }
function print(text) { document.getElementById('out').innerHTML += (text || ''); }
function println(text) { print((text || '') + '\n'); }
function repeat(chr, n) { return new Array(n + 1).join(chr); }
function textToBase(text, radix, n) {
return text.split(''...
How to check certificate name and alias in keystore files?
...{
String alias = enumeration.nextElement();
System.out.println("alias name: " + alias);
Certificate certificate = keystore.getCertificate(alias);
System.out.println(certificate.toString());
}
} catch (java.security.cert.CertificateExcepti...
How can I use external JARs in an Android project?
...Ex : compile 'com.google.android.gms:play-services-ads:9.4.0'
Read more about Gradle Dependency Mangement
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Generate a random number in the range 1 - 10
...pproach for a test query which I worked on in this question did not work out, I'm trying something else now. Is there a way to tell pg's random() function to get me only numbers between 1 and 10?
...
How do I Disable the swipe gesture of UIPageViewController?
...sture-based' navigation mode which is what you're trying to prevent.
Without a data source you manually provide view controllers when you want to with setViewControllers:direction:animated:completion method and it will move between view controllers on demand.
The above can be deduced from Apple'...
JavaScript - Get Portion of URL Path
What is the correct way to pull out just the path from a URL using JavaScript?
6 Answers
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