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What is the difference between named and positional parameters in Dart?
...uss the similarities.
Dart's optional parameters are optional in that the caller isn't required to specify a value for the parameter when calling the function.
Optional parameters can only be declared after any required parameters.
Optional parameters can have a default value, which is used when ...
Error 1022 - Can't write; duplicate key in table
...boy with a foreign key X
The next constraint with the foreign key X can be called boy1
I'm sure you'd figure out better names than I did. ????
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Qt: How do I handle the event of the user pressing the 'X' (close) button?
...t();
}
}
If you're subclassing a QDialog, the closeEvent will not be called and so you have to override reject():
void MyDialog::reject()
{
QMessageBox::StandardButton resBtn = QMessageBox::Yes;
if (changes) {
resBtn = QMessageBox::question( this, APP_NAME,
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Non-Singleton Services in AngularJS
...ory);
}
then in your consumer instance you need the factory service and call the build method on the factory to get a new instance when you need it
class CollectionController {
public model: admin.factories.IModel;
static $inject = ['$log', '$routeParams', 'admin.services.Collection'...
JavaScript inheritance: Object.create vs new
...erty that is not inherited from the super implementation, you just need to call super in the child's constructor: SomeBaseClass.call(this). Check this fiddle: jsfiddle.net/NhQGB
– ChrisRich
Oct 28 '12 at 10:08
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Creating threads - Task.Factory.StartNew vs new Thread()
...at sentence was a little bit too coarse. Synchronous execution of tasks is called inlining. When scheduling a task on the threadpool (default scheduler) from the UI Thread it will not occur. It will only occur if the ambient scheduler ('TaskScheduler.Current') is the same as the scheduler of a task ...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
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When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased?
– Marc
Apr 16 '12 at 13:08
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How to hide one item in an Android Spinner
...te a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in the spinner that doesn't generate a callback, namely the current one.
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How to pass a class type as a function parameter
I have a generic function that calls a web service and serialize the JSON response back to an object.
6 Answers
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accepting HTTPS connections with self-signed certificates
...xt, You need set our factory for the protocol to https. To do this, simply call the SchemeRegistry.register() method.
Then you need to create a DefaultHttpClient with SingleClientConnManager.
Also in the code below you can see that on default will also use our flag (ALLOW_ALL_HOSTNAME_VERIFIER) by ...