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How to find NSDocumentDirectory in Swift?
...plication will do in such cases. But this uses file URLs and a more modern api to return the database URL, copying the initial version out of the bundle if it does not already exist, or a nil in case of error.
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Android ListView with different layouts for each row
...at you've described in comment I would suggest:
Storing views in object called ViewHolder. It would increase speed because you won't have to call findViewById() every time in getView method. See List14 in API demos.
Create one generic layout that will conform all combinations of properties and hid...
How to pass parameters to ThreadStart method in Thread?
...ers, and you get compile-time checking without needing to cast from object all the time.
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SVN command to delete all locally missing files
In SVN is there a command I can use to delete all locally missing files in a directory?
12 Answers
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When does invoking a member function on a null instance result in undefined behavior?
...) and (b) result in undefined behavior. It's always undefined behavior to call a member function through a null pointer. If the function is static, it's technically undefined as well, but there's some dispute.
The first thing to understand is why it's undefined behavior to dereference a null poin...
How to make ThreadPoolExecutor's submit() method block if it is saturated?
... try {
command.run();
} finally {
semaphore.release();
}
}
});
} catch (RejectedExecutionException e) {
semaphore.release();
throw e;
}
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How to create a MySQL hierarchical recursive query
... parent_id
from products
where parent_id = 19
union all
select p.id,
p.name,
p.parent_id
from products p
inner join cte
on p.parent_id = cte.id
)
select * from cte;
The value specified in parent_id = 19 should be set to the...
How to call a PHP function on the click of a button
...essfully");
});
});
});
In ajax.php
<?php
if (isset($_POST['action'])) {
switch ($_POST['action']) {
case 'insert':
insert();
break;
case 'select':
select();
break;
}
}
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Should I use string.isEmpty() or “”.equals(string)?
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@David dead link; here's a live one docjar.com/html/api/java/lang/String.java.html#1011
– Matt Ball
Apr 8 '12 at 14:31
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How can I use external JARs in an Android project?
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Android's Java API does not support javax.naming.* and many other javax.* stuff. You need to include the dependencies as separate jars.
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