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Is std::unique_ptr required to know the full definition of T?
...brary require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking un...
What happens to a detached thread when main() exits?
...), and that's well-defined, as long as it touches neither (automatic|thread_local) variables of other threads nor static objects.
This appears to be allowed to allow thread managers as static objects (note in [basic.start.term]/4 says as much, thanks to @dyp for the pointer).
Problems arise when t...
Django migration strategy for renaming a model and relationship fields
...ration(migrations.Migration):
dependencies = [
('myapp', '0001_initial'),
]
operations = [
migrations.RenameModel('Foo', 'Bar'),
migrations.RenameField('AnotherModel', 'foo', 'bar'),
migrations.RenameField('YetAnotherModel', 'foo', 'bar')
]
You ma...
Where is the Java SDK folder in my computer? Ubuntu 12.04
...t root 31 2009-01-15 18:34 /etc/alternatives/java -> /usr/local/jre1.6.0_07/bin/java
So, thats the actual location of java: /usr/local/jre.....
You could still dig deeper to find other symbolic links.
Reference : where is java's home dir?
...
Examples of GoF Design Patterns in Java's core libraries
...
Note that Swing is only loosely based on MVC. It has collapsed View and Controller into one class.
– Matthias Braun
Dec 23 '19 at 8:05
...
Are there any side effects of returning from inside a using() statement?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Do you need to use path.join in node.js?
...so skeptical about that answer until 5 min later my code blew up on return baseDir + relativePath + filename;. I replaced it right away by return path.join(baseDir, relativePath, filename);. It's indeed very helpful!
– Pedro
Aug 11 '14 at 0:39
...
How do I verify that an Android apk is signed with a release certificate?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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`Apache` `localhost/~username/` not working
...
Looks like you need to uncomment the following:
#LoadModule userdir_module libexec/apache2/mod_userdir.so
and
#Include /private/etc/apache2/extra/httpd-userdir.conf
Then in httpd-userdir.conf you may need to uncomment:
#Include /private/etc/apache2/users/*.conf
Lastly you would need ...
Is there an equivalent for var_dump (PHP) in Javascript?
...';
}
};
// Makes it easier, later on, to switch behaviors based on existance or
// absence of a var_name parameter. By converting 'undefined' to 'empty
// string', the length greater than zero test can be applied in all cases.
var_name = typeof var_name === 'undefined'...